WebSVN – EDIS_Ignition – Diff – /trunk/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c

 /**
   ******************************************************************************
   * @file    stm32f1xx_hal_uart.c
   * @author  MCD Application Team
   * @brief   UART HAL module driver.
   *          This file provides firmware functions to manage the following
   *          functionalities of the Universal Asynchronous Receiver Transmitter Peripheral (UART).
   *           + Initialization and de-initialization functions
   *           + IO operation functions
   *           + Peripheral Control functions
   *           + Peripheral State and Errors functions
-  @verbatim
+  *
-  ==============================================================================
+  ******************************************************************************
-                        ##### How to use this driver #####
+  * @attention
-  ==============================================================================
+  *
-  [..]
+  * Copyright (c) 2016 STMicroelectronics.
-    The UART HAL driver can be used as follows:
+  * All rights reserved.
+  *
-    (#) Declare a UART_HandleTypeDef handle structure (eg. UART_HandleTypeDef huart).
+  * This software is licensed under terms that can be found in the LICENSE file
-    (#) Initialize the UART low level resources by implementing the HAL_UART_MspInit() API:
+  * in the root directory of this software component.
-        (##) Enable the USARTx interface clock.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
-        (##) UART pins configuration:
+  *
-            (+++) Enable the clock for the UART GPIOs.
+  ******************************************************************************
-            (+++) Configure the UART TX/RX pins as alternate function pull-up.
+  @verbatim
-        (##) NVIC configuration if you need to use interrupt process (HAL_UART_Transmit_IT()
+  ==============================================================================
-             and HAL_UART_Receive_IT() APIs):
+                        ##### How to use this driver #####
-            (+++) Configure the USARTx interrupt priority.
+  ==============================================================================
-            (+++) Enable the NVIC USART IRQ handle.
+  [..]
-        (##) DMA Configuration if you need to use DMA process (HAL_UART_Transmit_DMA()
+    The UART HAL driver can be used as follows:
-             and HAL_UART_Receive_DMA() APIs):
-            (+++) Declare a DMA handle structure for the Tx/Rx channel.
+    (#) Declare a UART_HandleTypeDef handle structure (eg. UART_HandleTypeDef huart).
-            (+++) Enable the DMAx interface clock.
+    (#) Initialize the UART low level resources by implementing the HAL_UART_MspInit() API:
-            (+++) Configure the declared DMA handle structure with the required
+        (##) Enable the USARTx interface clock.
-                  Tx/Rx parameters.
+        (##) UART pins configuration:
-            (+++) Configure the DMA Tx/Rx channel.
+            (+++) Enable the clock for the UART GPIOs.
-            (+++) Associate the initialized DMA handle to the UART DMA Tx/Rx handle.
+            (+++) Configure the UART TX/RX pins as alternate function pull-up.
-            (+++) Configure the priority and enable the NVIC for the transfer complete
+        (##) NVIC configuration if you need to use interrupt process (HAL_UART_Transmit_IT()
-                  interrupt on the DMA Tx/Rx channel.
+             and HAL_UART_Receive_IT() APIs):
-            (+++) Configure the USARTx interrupt priority and enable the NVIC USART IRQ handle
+            (+++) Configure the USARTx interrupt priority.
-                  (used for last byte sending completion detection in DMA non circular mode)
+            (+++) Enable the NVIC USART IRQ handle.
+        (##) DMA Configuration if you need to use DMA process (HAL_UART_Transmit_DMA()
-    (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware
+             and HAL_UART_Receive_DMA() APIs):
-        flow control and Mode(Receiver/Transmitter) in the huart Init structure.
+            (+++) Declare a DMA handle structure for the Tx/Rx channel.
+            (+++) Enable the DMAx interface clock.
-    (#) For the UART asynchronous mode, initialize the UART registers by calling
+            (+++) Configure the declared DMA handle structure with the required
-        the HAL_UART_Init() API.
+                  Tx/Rx parameters.
+            (+++) Configure the DMA Tx/Rx channel.
-    (#) For the UART Half duplex mode, initialize the UART registers by calling
+            (+++) Associate the initialized DMA handle to the UART DMA Tx/Rx handle.
-        the HAL_HalfDuplex_Init() API.
+            (+++) Configure the priority and enable the NVIC for the transfer complete
+                  interrupt on the DMA Tx/Rx channel.
-    (#) For the LIN mode, initialize the UART registers by calling the HAL_LIN_Init() API.
+            (+++) Configure the USARTx interrupt priority and enable the NVIC USART IRQ handle
+                  (used for last byte sending completion detection in DMA non circular mode)
-    (#) For the Multi-Processor mode, initialize the UART registers by calling
-        the HAL_MultiProcessor_Init() API.
+    (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware
+        flow control and Mode(Receiver/Transmitter) in the huart Init structure.
-     [..]
-       (@) The specific UART interrupts (Transmission complete interrupt,
+    (#) For the UART asynchronous mode, initialize the UART registers by calling
-            RXNE interrupt and Error Interrupts) will be managed using the macros
+        the HAL_UART_Init() API.
-            __HAL_UART_ENABLE_IT() and __HAL_UART_DISABLE_IT() inside the transmit
-            and receive process.
+    (#) For the UART Half duplex mode, initialize the UART registers by calling
+        the HAL_HalfDuplex_Init() API.
-     [..]
-       (@) These APIs (HAL_UART_Init() and HAL_HalfDuplex_Init()) configure also the
+    (#) For the LIN mode, initialize the UART registers by calling the HAL_LIN_Init() API.
-            low level Hardware GPIO, CLOCK, CORTEX...etc) by calling the customized
-            HAL_UART_MspInit() API.
+    (#) For the Multi-Processor mode, initialize the UART registers by calling
+        the HAL_MultiProcessor_Init() API.
-    ##### Callback registration #####
-    ==================================
+     [..]
+       (@) The specific UART interrupts (Transmission complete interrupt,
-    [..]
+            RXNE interrupt and Error Interrupts) will be managed using the macros
-    The compilation define USE_HAL_UART_REGISTER_CALLBACKS when set to 1
+            __HAL_UART_ENABLE_IT() and __HAL_UART_DISABLE_IT() inside the transmit
-    allows the user to configure dynamically the driver callbacks.
+            and receive process.
-    [..]
+     [..]
-    Use Function @ref HAL_UART_RegisterCallback() to register a user callback.
+       (@) These APIs (HAL_UART_Init() and HAL_HalfDuplex_Init()) configure also the
-    Function @ref HAL_UART_RegisterCallback() allows to register following callbacks:
+            low level Hardware GPIO, CLOCK, CORTEX...etc) by calling the customized
-    (+) TxHalfCpltCallback        : Tx Half Complete Callback.
+            HAL_UART_MspInit() API.
-    (+) TxCpltCallback            : Tx Complete Callback.
-    (+) RxHalfCpltCallback        : Rx Half Complete Callback.
+    ##### Callback registration #####
-    (+) RxCpltCallback            : Rx Complete Callback.
+    ==================================
-    (+) ErrorCallback             : Error Callback.
-    (+) AbortCpltCallback         : Abort Complete Callback.
+    [..]
-    (+) AbortTransmitCpltCallback : Abort Transmit Complete Callback.
+    The compilation define USE_HAL_UART_REGISTER_CALLBACKS when set to 1
-    (+) AbortReceiveCpltCallback  : Abort Receive Complete Callback.
+    allows the user to configure dynamically the driver callbacks.
-    (+) MspInitCallback           : UART MspInit.
-    (+) MspDeInitCallback         : UART MspDeInit.
+    [..]
-    This function takes as parameters the HAL peripheral handle, the Callback ID
+    Use Function HAL_UART_RegisterCallback() to register a user callback.
-    and a pointer to the user callback function.
+    Function HAL_UART_RegisterCallback() allows to register following callbacks:
+    (+) TxHalfCpltCallback        : Tx Half Complete Callback.
-    [..]
+    (+) TxCpltCallback            : Tx Complete Callback.
-    Use function @ref HAL_UART_UnRegisterCallback() to reset a callback to the default
+    (+) RxHalfCpltCallback        : Rx Half Complete Callback.
-    weak (surcharged) function.
+    (+) RxCpltCallback            : Rx Complete Callback.
-    @ref HAL_UART_UnRegisterCallback() takes as parameters the HAL peripheral handle,
+    (+) ErrorCallback             : Error Callback.
-    and the Callback ID.
+    (+) AbortCpltCallback         : Abort Complete Callback.
-    This function allows to reset following callbacks:
+    (+) AbortTransmitCpltCallback : Abort Transmit Complete Callback.
-    (+) TxHalfCpltCallback        : Tx Half Complete Callback.
+    (+) AbortReceiveCpltCallback  : Abort Receive Complete Callback.
-    (+) TxCpltCallback            : Tx Complete Callback.
+    (+) MspInitCallback           : UART MspInit.
-    (+) RxHalfCpltCallback        : Rx Half Complete Callback.
+    (+) MspDeInitCallback         : UART MspDeInit.
-    (+) RxCpltCallback            : Rx Complete Callback.
+    This function takes as parameters the HAL peripheral handle, the Callback ID
-    (+) ErrorCallback             : Error Callback.
+    and a pointer to the user callback function.
-    (+) AbortCpltCallback         : Abort Complete Callback.
-    (+) AbortTransmitCpltCallback : Abort Transmit Complete Callback.
+    [..]
-    (+) AbortReceiveCpltCallback  : Abort Receive Complete Callback.
+    Use function HAL_UART_UnRegisterCallback() to reset a callback to the default
-    (+) MspInitCallback           : UART MspInit.
+    weak (surcharged) function.
-    (+) MspDeInitCallback         : UART MspDeInit.
+    HAL_UART_UnRegisterCallback() takes as parameters the HAL peripheral handle,
+    and the Callback ID.
-    [..]
+    This function allows to reset following callbacks:
-    For specific callback RxEventCallback, use dedicated registration/reset functions:
+    (+) TxHalfCpltCallback        : Tx Half Complete Callback.
-    respectively @ref HAL_UART_RegisterRxEventCallback() , @ref HAL_UART_UnRegisterRxEventCallback().
+    (+) TxCpltCallback            : Tx Complete Callback.
+    (+) RxHalfCpltCallback        : Rx Half Complete Callback.
-    [..]
+    (+) RxCpltCallback            : Rx Complete Callback.
-    By default, after the @ref HAL_UART_Init() and when the state is HAL_UART_STATE_RESET
+    (+) ErrorCallback             : Error Callback.
-    all callbacks are set to the corresponding weak (surcharged) functions:
+    (+) AbortCpltCallback         : Abort Complete Callback.
-    examples @ref HAL_UART_TxCpltCallback(), @ref HAL_UART_RxHalfCpltCallback().
+    (+) AbortTransmitCpltCallback : Abort Transmit Complete Callback.
-    Exception done for MspInit and MspDeInit functions that are respectively
+    (+) AbortReceiveCpltCallback  : Abort Receive Complete Callback.
-    reset to the legacy weak (surcharged) functions in the @ref HAL_UART_Init()
+    (+) MspInitCallback           : UART MspInit.
-    and @ref HAL_UART_DeInit() only when these callbacks are null (not registered beforehand).
+    (+) MspDeInitCallback         : UART MspDeInit.
-    If not, MspInit or MspDeInit are not null, the @ref HAL_UART_Init() and @ref HAL_UART_DeInit()
-    keep and use the user MspInit/MspDeInit callbacks (registered beforehand).
+    [..]
+    For specific callback RxEventCallback, use dedicated registration/reset functions:
-    [..]
+    respectively HAL_UART_RegisterRxEventCallback() , HAL_UART_UnRegisterRxEventCallback().
-    Callbacks can be registered/unregistered in HAL_UART_STATE_READY state only.
-    Exception done MspInit/MspDeInit that can be registered/unregistered
+    [..]
-    in HAL_UART_STATE_READY or HAL_UART_STATE_RESET state, thus registered (user)
+    By default, after the HAL_UART_Init() and when the state is HAL_UART_STATE_RESET
-    MspInit/DeInit callbacks can be used during the Init/DeInit.
+    all callbacks are set to the corresponding weak (surcharged) functions:
-    In that case first register the MspInit/MspDeInit user callbacks
+    examples HAL_UART_TxCpltCallback(), HAL_UART_RxHalfCpltCallback().
-    using @ref HAL_UART_RegisterCallback() before calling @ref HAL_UART_DeInit()
+    Exception done for MspInit and MspDeInit functions that are respectively
-    or @ref HAL_UART_Init() function.
+    reset to the legacy weak (surcharged) functions in the HAL_UART_Init()
+    and HAL_UART_DeInit() only when these callbacks are null (not registered beforehand).
-    [..]
+    If not, MspInit or MspDeInit are not null, the HAL_UART_Init() and HAL_UART_DeInit()
-    When The compilation define USE_HAL_UART_REGISTER_CALLBACKS is set to 0 or
+    keep and use the user MspInit/MspDeInit callbacks (registered beforehand).
-    not defined, the callback registration feature is not available
-    and weak (surcharged) callbacks are used.
+    [..]
+    Callbacks can be registered/unregistered in HAL_UART_STATE_READY state only.
-     [..]
+    Exception done MspInit/MspDeInit that can be registered/unregistered
-        Three operation modes are available within this driver :
+    in HAL_UART_STATE_READY or HAL_UART_STATE_RESET state, thus registered (user)
+    MspInit/DeInit callbacks can be used during the Init/DeInit.
-     *** Polling mode IO operation ***
+    In that case first register the MspInit/MspDeInit user callbacks
-     =================================
+    using HAL_UART_RegisterCallback() before calling HAL_UART_DeInit()
-     [..]
+    or HAL_UART_Init() function.
-       (+) Send an amount of data in blocking mode using HAL_UART_Transmit()
-       (+) Receive an amount of data in blocking mode using HAL_UART_Receive()
+    [..]
+    When The compilation define USE_HAL_UART_REGISTER_CALLBACKS is set to 0 or
-     *** Interrupt mode IO operation ***
+    not defined, the callback registration feature is not available
-     ===================================
+    and weak (surcharged) callbacks are used.
-     [..]
-       (+) Send an amount of data in non blocking mode using HAL_UART_Transmit_IT()
+     [..]
-       (+) At transmission end of transfer HAL_UART_TxCpltCallback is executed and user can
+        Three operation modes are available within this driver :
-            add his own code by customization of function pointer HAL_UART_TxCpltCallback
-       (+) Receive an amount of data in non blocking mode using HAL_UART_Receive_IT()
+     *** Polling mode IO operation ***
-       (+) At reception end of transfer HAL_UART_RxCpltCallback is executed and user can
+     =================================
-            add his own code by customization of function pointer HAL_UART_RxCpltCallback
+     [..]
-       (+) In case of transfer Error, HAL_UART_ErrorCallback() function is executed and user can
+       (+) Send an amount of data in blocking mode using HAL_UART_Transmit()
-            add his own code by customization of function pointer HAL_UART_ErrorCallback
+       (+) Receive an amount of data in blocking mode using HAL_UART_Receive()
-     *** DMA mode IO operation ***
+     *** Interrupt mode IO operation ***
-     ==============================
+     ===================================
      [..]
-       (+) Send an amount of data in non blocking mode (DMA) using HAL_UART_Transmit_DMA()
+       (+) Send an amount of data in non blocking mode using HAL_UART_Transmit_IT()
-       (+) At transmission end of half transfer HAL_UART_TxHalfCpltCallback is executed and user can
+       (+) At transmission end of transfer HAL_UART_TxCpltCallback is executed and user can
-            add his own code by customization of function pointer HAL_UART_TxHalfCpltCallback
+            add his own code by customization of function pointer HAL_UART_TxCpltCallback
-       (+) At transmission end of transfer HAL_UART_TxCpltCallback is executed and user can
+       (+) Receive an amount of data in non blocking mode using HAL_UART_Receive_IT()
-            add his own code by customization of function pointer HAL_UART_TxCpltCallback
+       (+) At reception end of transfer HAL_UART_RxCpltCallback is executed and user can
-       (+) Receive an amount of data in non blocking mode (DMA) using HAL_UART_Receive_DMA()
+            add his own code by customization of function pointer HAL_UART_RxCpltCallback
-       (+) At reception end of half transfer HAL_UART_RxHalfCpltCallback is executed and user can
+       (+) In case of transfer Error, HAL_UART_ErrorCallback() function is executed and user can
-            add his own code by customization of function pointer HAL_UART_RxHalfCpltCallback
+            add his own code by customization of function pointer HAL_UART_ErrorCallback
-       (+) At reception end of transfer HAL_UART_RxCpltCallback is executed and user can
-            add his own code by customization of function pointer HAL_UART_RxCpltCallback
+     *** DMA mode IO operation ***
-       (+) In case of transfer Error, HAL_UART_ErrorCallback() function is executed and user can
+     ==============================
-            add his own code by customization of function pointer HAL_UART_ErrorCallback
+     [..]
-       (+) Pause the DMA Transfer using HAL_UART_DMAPause()
+       (+) Send an amount of data in non blocking mode (DMA) using HAL_UART_Transmit_DMA()
-       (+) Resume the DMA Transfer using HAL_UART_DMAResume()
+       (+) At transmission end of half transfer HAL_UART_TxHalfCpltCallback is executed and user can
-       (+) Stop the DMA Transfer using HAL_UART_DMAStop()
+            add his own code by customization of function pointer HAL_UART_TxHalfCpltCallback
+       (+) At transmission end of transfer HAL_UART_TxCpltCallback is executed and user can
+            add his own code by customization of function pointer HAL_UART_TxCpltCallback
-    [..] This subsection also provides a set of additional functions providing enhanced reception
+       (+) Receive an amount of data in non blocking mode (DMA) using HAL_UART_Receive_DMA()
-    services to user. (For example, these functions allow application to handle use cases
+       (+) At reception end of half transfer HAL_UART_RxHalfCpltCallback is executed and user can
-    where number of data to be received is unknown).
+            add his own code by customization of function pointer HAL_UART_RxHalfCpltCallback
+       (+) At reception end of transfer HAL_UART_RxCpltCallback is executed and user can
-    (#) Compared to standard reception services which only consider number of received
+            add his own code by customization of function pointer HAL_UART_RxCpltCallback
-        data elements as reception completion criteria, these functions also consider additional events
+       (+) In case of transfer Error, HAL_UART_ErrorCallback() function is executed and user can
-        as triggers for updating reception status to caller :
+            add his own code by customization of function pointer HAL_UART_ErrorCallback
-       (+) Detection of inactivity period (RX line has not been active for a given period).
+       (+) Pause the DMA Transfer using HAL_UART_DMAPause()
-          (++) RX inactivity detected by IDLE event, i.e. RX line has been in idle state (normally high state)
+       (+) Resume the DMA Transfer using HAL_UART_DMAResume()
-               for 1 frame time, after last received byte.
+       (+) Stop the DMA Transfer using HAL_UART_DMAStop()
-    (#) There are two mode of transfer:
-       (+) Blocking mode: The reception is performed in polling mode, until either expected number of data is received,
+    [..] This subsection also provides a set of additional functions providing enhanced reception
-           or till IDLE event occurs. Reception is handled only during function execution.
+    services to user. (For example, these functions allow application to handle use cases
-           When function exits, no data reception could occur. HAL status and number of actually received data elements,
+    where number of data to be received is unknown).
-           are returned by function after finishing transfer.
-       (+) Non-Blocking mode: The reception is performed using Interrupts or DMA.
+    (#) Compared to standard reception services which only consider number of received
-           These API's return the HAL status.
+        data elements as reception completion criteria, these functions also consider additional events
-           The end of the data processing will be indicated through the
+        as triggers for updating reception status to caller :
-           dedicated UART IRQ when using Interrupt mode or the DMA IRQ when using DMA mode.
+       (+) Detection of inactivity period (RX line has not been active for a given period).
-           The HAL_UARTEx_RxEventCallback() user callback will be executed during Receive process
+          (++) RX inactivity detected by IDLE event, i.e. RX line has been in idle state (normally high state)
-           The HAL_UART_ErrorCallback()user callback will be executed when a reception error is detected.
+               for 1 frame time, after last received byte.
-    (#) Blocking mode API:
+    (#) There are two mode of transfer:
-        (+) HAL_UARTEx_ReceiveToIdle()
+       (+) Blocking mode: The reception is performed in polling mode, until either expected number of data is received,
+           or till IDLE event occurs. Reception is handled only during function execution.
-    (#) Non-Blocking mode API with Interrupt:
+           When function exits, no data reception could occur. HAL status and number of actually received data elements,
-        (+) HAL_UARTEx_ReceiveToIdle_IT()
+           are returned by function after finishing transfer.
+       (+) Non-Blocking mode: The reception is performed using Interrupts or DMA.
-    (#) Non-Blocking mode API with DMA:
+           These API's return the HAL status.
-        (+) HAL_UARTEx_ReceiveToIdle_DMA()
+           The end of the data processing will be indicated through the
+           dedicated UART IRQ when using Interrupt mode or the DMA IRQ when using DMA mode.
+           The HAL_UARTEx_RxEventCallback() user callback will be executed during Receive process
-     *** UART HAL driver macros list ***
+           The HAL_UART_ErrorCallback()user callback will be executed when a reception error is detected.
-     =============================================
-     [..]
+    (#) Blocking mode API:
-       Below the list of most used macros in UART HAL driver.
+        (+) HAL_UARTEx_ReceiveToIdle()
-      (+) __HAL_UART_ENABLE: Enable the UART peripheral
+    (#) Non-Blocking mode API with Interrupt:
-      (+) __HAL_UART_DISABLE: Disable the UART peripheral
+        (+) HAL_UARTEx_ReceiveToIdle_IT()
-      (+) __HAL_UART_GET_FLAG : Check whether the specified UART flag is set or not
-      (+) __HAL_UART_CLEAR_FLAG : Clear the specified UART pending flag
+    (#) Non-Blocking mode API with DMA:
-      (+) __HAL_UART_ENABLE_IT: Enable the specified UART interrupt
+        (+) HAL_UARTEx_ReceiveToIdle_DMA()
-      (+) __HAL_UART_DISABLE_IT: Disable the specified UART interrupt
-      (+) __HAL_UART_GET_IT_SOURCE: Check whether the specified UART interrupt has occurred or not
+     *** UART HAL driver macros list ***
-     [..]
+     =============================================
-       (@) You can refer to the UART HAL driver header file for more useful macros
+     [..]
+       Below the list of most used macros in UART HAL driver.
-  @endverbatim
-     [..]
+      (+) __HAL_UART_ENABLE: Enable the UART peripheral
-       (@) Additional remark: If the parity is enabled, then the MSB bit of the data written
+      (+) __HAL_UART_DISABLE: Disable the UART peripheral
-           in the data register is transmitted but is changed by the parity bit.
+      (+) __HAL_UART_GET_FLAG : Check whether the specified UART flag is set or not
-           Depending on the frame length defined by the M bit (8-bits or 9-bits),
+      (+) __HAL_UART_CLEAR_FLAG : Clear the specified UART pending flag
-           the possible UART frame formats are as listed in the following table:
+      (+) __HAL_UART_ENABLE_IT: Enable the specified UART interrupt
-    +-------------------------------------------------------------+
+      (+) __HAL_UART_DISABLE_IT: Disable the specified UART interrupt
-    |   M bit |  PCE bit  |            UART frame                 |
+      (+) __HAL_UART_GET_IT_SOURCE: Check whether the specified UART interrupt has occurred or not
-    |---------------------|---------------------------------------|
-    |    0    |    0      |    | SB | 8 bit data | STB |          |
+     [..]
-    |---------|-----------|---------------------------------------|
+       (@) You can refer to the UART HAL driver header file for more useful macros
-    |    0    |    1      |    | SB | 7 bit data | PB | STB |     |
-    |---------|-----------|---------------------------------------|
+  @endverbatim
-    |    1    |    0      |    | SB | 9 bit data | STB |          |
+     [..]
-    |---------|-----------|---------------------------------------|
+       (@) Additional remark: If the parity is enabled, then the MSB bit of the data written
-    |    1    |    1      |    | SB | 8 bit data | PB | STB |     |
+           in the data register is transmitted but is changed by the parity bit.
-    +-------------------------------------------------------------+
+           Depending on the frame length defined by the M bit (8-bits or 9-bits),
-  ******************************************************************************
+           the possible UART frame formats are as listed in the following table:
-  * @attention
+    +-------------------------------------------------------------+
-  *
+    |   M bit |  PCE bit  |            UART frame                 |
-  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
+    |---------------------|---------------------------------------|
-  * All rights reserved.</center></h2>
+    |    0    |    0      |    | SB | 8 bit data | STB |          |
-  *
+    |---------|-----------|---------------------------------------|
-  * This software component is licensed by ST under BSD 3-Clause license,
+    |    0    |    1      |    | SB | 7 bit data | PB | STB |     |
-  * the "License"; You may not use this file except in compliance with the
+    |---------|-----------|---------------------------------------|
-  * License. You may obtain a copy of the License at:
+    |    1    |    0      |    | SB | 9 bit data | STB |          |
-  *                        opensource.org/licenses/BSD-3-Clause
+    |---------|-----------|---------------------------------------|
-  *
+    |    1    |    1      |    | SB | 8 bit data | PB | STB |     |
-  ******************************************************************************
+    +-------------------------------------------------------------+
-  */
+  ******************************************************************************
+  */
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f1xx_hal.h"
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f1xx_hal.h"
-/** @addtogroup STM32F1xx_HAL_Driver
-  * @{
+/** @addtogroup STM32F1xx_HAL_Driver
-  */
+  * @{
+  */
-/** @defgroup UART UART
-  * @brief HAL UART module driver
+/** @defgroup UART UART
-  * @{
+  * @brief HAL UART module driver
-  */
+  * @{
-#ifdef HAL_UART_MODULE_ENABLED
+  */
+#ifdef HAL_UART_MODULE_ENABLED
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
+/* Private typedef -----------------------------------------------------------*/
-/** @addtogroup UART_Private_Constants
+/* Private define ------------------------------------------------------------*/
-  * @{
+/** @addtogroup UART_Private_Constants
-  */
+  * @{
-/**
+  */
-  * @}
+/**
-  */
+  * @}
-/* Private macro -------------------------------------------------------------*/
+  */
-/* Private variables ---------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
-/** @addtogroup UART_Private_Functions  UART Private Functions
+/* Private function prototypes -----------------------------------------------*/
-  * @{
+/** @addtogroup UART_Private_Functions  UART Private Functions
-  */
+  * @{
+  */
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-void UART_InitCallbacksToDefault(UART_HandleTypeDef *huart);
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+void UART_InitCallbacksToDefault(UART_HandleTypeDef *huart);
-static void UART_EndTxTransfer(UART_HandleTypeDef *huart);
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-static void UART_EndRxTransfer(UART_HandleTypeDef *huart);
+static void UART_EndTxTransfer(UART_HandleTypeDef *huart);
-static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma);
+static void UART_EndRxTransfer(UART_HandleTypeDef *huart);
-static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma);
+static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma);
-static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma);
+static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma);
-static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma);
+static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma);
-static void UART_DMAError(DMA_HandleTypeDef *hdma);
+static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma);
-static void UART_DMAAbortOnError(DMA_HandleTypeDef *hdma);
+static void UART_DMAError(DMA_HandleTypeDef *hdma);
-static void UART_DMATxAbortCallback(DMA_HandleTypeDef *hdma);
+static void UART_DMAAbortOnError(DMA_HandleTypeDef *hdma);
-static void UART_DMARxAbortCallback(DMA_HandleTypeDef *hdma);
+static void UART_DMATxAbortCallback(DMA_HandleTypeDef *hdma);
-static void UART_DMATxOnlyAbortCallback(DMA_HandleTypeDef *hdma);
+static void UART_DMARxAbortCallback(DMA_HandleTypeDef *hdma);
-static void UART_DMARxOnlyAbortCallback(DMA_HandleTypeDef *hdma);
+static void UART_DMATxOnlyAbortCallback(DMA_HandleTypeDef *hdma);
-static HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart);
+static void UART_DMARxOnlyAbortCallback(DMA_HandleTypeDef *hdma);
-static HAL_StatusTypeDef UART_EndTransmit_IT(UART_HandleTypeDef *huart);
+static HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart);
-static HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart);
+static HAL_StatusTypeDef UART_EndTransmit_IT(UART_HandleTypeDef *huart);
-static HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Tickstart, uint32_t Timeout);
+static HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart);
-static void UART_SetConfig(UART_HandleTypeDef *huart);
+static HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status,
+                                                     uint32_t Tickstart, uint32_t Timeout);
-/**
+static void UART_SetConfig(UART_HandleTypeDef *huart);
-  * @}
-  */
+/**
+  * @}
-/* Exported functions ---------------------------------------------------------*/
+  */
-/** @defgroup UART_Exported_Functions UART Exported Functions
-  * @{
+/* Exported functions ---------------------------------------------------------*/
-  */
+/** @defgroup UART_Exported_Functions UART Exported Functions
+  * @{
-/** @defgroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
+  */
-  *  @brief    Initialization and Configuration functions
-  *
+/** @defgroup UART_Exported_Functions_Group1 Initialization and de-initialization functions
-@verbatim
+  *  @brief    Initialization and Configuration functions
- ===============================================================================
+  *
-            ##### Initialization and Configuration functions #####
+@verbatim
  ===============================================================================
-    [..]
+            ##### Initialization and Configuration functions #####
-    This subsection provides a set of functions allowing to initialize the USARTx or the UARTy
+ ===============================================================================
-    in asynchronous mode.
+    [..]
-      (+) For the asynchronous mode only these parameters can be configured:
+    This subsection provides a set of functions allowing to initialize the USARTx or the UARTy
-        (++) Baud Rate
+    in asynchronous mode.
-        (++) Word Length
+      (+) For the asynchronous mode only these parameters can be configured:
-        (++) Stop Bit
+        (++) Baud Rate
-        (++) Parity: If the parity is enabled, then the MSB bit of the data written
+        (++) Word Length
-             in the data register is transmitted but is changed by the parity bit.
+        (++) Stop Bit
-             Depending on the frame length defined by the M bit (8-bits or 9-bits),
+        (++) Parity: If the parity is enabled, then the MSB bit of the data written
-             please refer to Reference manual for possible UART frame formats.
+             in the data register is transmitted but is changed by the parity bit.
-        (++) Hardware flow control
+             Depending on the frame length defined by the M bit (8-bits or 9-bits),
-        (++) Receiver/transmitter modes
+             please refer to Reference manual for possible UART frame formats.
-        (++) Over Sampling Method
+        (++) Hardware flow control
-    [..]
+        (++) Receiver/transmitter modes
-    The HAL_UART_Init(), HAL_HalfDuplex_Init(), HAL_LIN_Init() and HAL_MultiProcessor_Init() APIs
+        (++) Over Sampling Method
-    follow respectively the UART asynchronous, UART Half duplex, LIN and Multi-Processor configuration
+    [..]
-    procedures (details for the procedures are available in reference manuals
+    The HAL_UART_Init(), HAL_HalfDuplex_Init(), HAL_LIN_Init() and HAL_MultiProcessor_Init() APIs
-    (RM0008 for STM32F10Xxx MCUs and RM0041 for STM32F100xx MCUs)).
+    follow respectively the UART asynchronous, UART Half duplex, LIN and Multi-Processor configuration
+    procedures (details for the procedures are available in reference manuals
-@endverbatim
+    (RM0008 for STM32F10Xxx MCUs and RM0041 for STM32F100xx MCUs)).
-  * @{
-  */
+@endverbatim
+  * @{
-/**
+  */
-  * @brief  Initializes the UART mode according to the specified parameters in
-  *         the UART_InitTypeDef and create the associated handle.
+/**
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+  * @brief  Initializes the UART mode according to the specified parameters in
-  *                the configuration information for the specified UART module.
+  *         the UART_InitTypeDef and create the associated handle.
-  * @retval HAL status
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  */
+  *                the configuration information for the specified UART module.
-HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart)
+  * @retval HAL status
-{
+  */
-  /* Check the UART handle allocation */
+HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart)
-  if (huart == NULL)
+{
-  {
+  /* Check the UART handle allocation */
-    return HAL_ERROR;
+  if (huart == NULL)
-  }
+  {
+    return HAL_ERROR;
-  /* Check the parameters */
+  }
-  if (huart->Init.HwFlowCtl != UART_HWCONTROL_NONE)
-  {
+  /* Check the parameters */
-    /* The hardware flow control is available only for USART1, USART2 and USART3 */
+  if (huart->Init.HwFlowCtl != UART_HWCONTROL_NONE)
-    assert_param(IS_UART_HWFLOW_INSTANCE(huart->Instance));
+  {
-    assert_param(IS_UART_HARDWARE_FLOW_CONTROL(huart->Init.HwFlowCtl));
+    /* The hardware flow control is available only for USART1, USART2 and USART3 */
-  }
+    assert_param(IS_UART_HWFLOW_INSTANCE(huart->Instance));
-  else
+    assert_param(IS_UART_HARDWARE_FLOW_CONTROL(huart->Init.HwFlowCtl));
-  {
+  }
-    assert_param(IS_UART_INSTANCE(huart->Instance));
+  else
-  }
+  {
-  assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength));
+    assert_param(IS_UART_INSTANCE(huart->Instance));
-#if defined(USART_CR1_OVER8)
+  }
-  assert_param(IS_UART_OVERSAMPLING(huart->Init.OverSampling));
+  assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength));
-#endif /* USART_CR1_OVER8 */
+#if defined(USART_CR1_OVER8)
+  assert_param(IS_UART_OVERSAMPLING(huart->Init.OverSampling));
-  if (huart->gState == HAL_UART_STATE_RESET)
+#endif /* USART_CR1_OVER8 */
-  {
-    /* Allocate lock resource and initialize it */
+  if (huart->gState == HAL_UART_STATE_RESET)
-    huart->Lock = HAL_UNLOCKED;
+  {
+    /* Allocate lock resource and initialize it */
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+    huart->Lock = HAL_UNLOCKED;
-    UART_InitCallbacksToDefault(huart);
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-    if (huart->MspInitCallback == NULL)
+    UART_InitCallbacksToDefault(huart);
-    {
-      huart->MspInitCallback = HAL_UART_MspInit;
+    if (huart->MspInitCallback == NULL)
-    }
+    {
+      huart->MspInitCallback = HAL_UART_MspInit;
-    /* Init the low level hardware */
+    }
-    huart->MspInitCallback(huart);
-#else
+    /* Init the low level hardware */
-    /* Init the low level hardware : GPIO, CLOCK */
+    huart->MspInitCallback(huart);
-    HAL_UART_MspInit(huart);
+#else
-#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
+    /* Init the low level hardware : GPIO, CLOCK */
-  }
+    HAL_UART_MspInit(huart);
+#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
-  huart->gState = HAL_UART_STATE_BUSY;
+  }
-  /* Disable the peripheral */
+  huart->gState = HAL_UART_STATE_BUSY;
-  __HAL_UART_DISABLE(huart);
+  /* Disable the peripheral */
-  /* Set the UART Communication parameters */
+  __HAL_UART_DISABLE(huart);
-  UART_SetConfig(huart);
+  /* Set the UART Communication parameters */
-  /* In asynchronous mode, the following bits must be kept cleared:
+  UART_SetConfig(huart);
-     - LINEN and CLKEN bits in the USART_CR2 register,
-     - SCEN, HDSEL and IREN  bits in the USART_CR3 register.*/
+  /* In asynchronous mode, the following bits must be kept cleared:
-  CLEAR_BIT(huart->Instance->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));
+     - LINEN and CLKEN bits in the USART_CR2 register,
-  CLEAR_BIT(huart->Instance->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN));
+     - SCEN, HDSEL and IREN  bits in the USART_CR3 register.*/
+  CLEAR_BIT(huart->Instance->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));
-  /* Enable the peripheral */
+  CLEAR_BIT(huart->Instance->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN));
-  __HAL_UART_ENABLE(huart);
+  /* Enable the peripheral */
-  /* Initialize the UART state */
+  __HAL_UART_ENABLE(huart);
-  huart->ErrorCode = HAL_UART_ERROR_NONE;
-  huart->gState = HAL_UART_STATE_READY;
+  /* Initialize the UART state */
-  huart->RxState = HAL_UART_STATE_READY;
+  huart->ErrorCode = HAL_UART_ERROR_NONE;
+  huart->gState = HAL_UART_STATE_READY;
-  return HAL_OK;
+  huart->RxState = HAL_UART_STATE_READY;
-}
+  huart->RxEventType = HAL_UART_RXEVENT_TC;
-/**
+  return HAL_OK;
-  * @brief  Initializes the half-duplex mode according to the specified
+}
-  *         parameters in the UART_InitTypeDef and create the associated handle.
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+/**
-  *                the configuration information for the specified UART module.
+  * @brief  Initializes the half-duplex mode according to the specified
-  * @retval HAL status
+  *         parameters in the UART_InitTypeDef and create the associated handle.
-  */
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart)
+  *                the configuration information for the specified UART module.
-{
+  * @retval HAL status
-  /* Check the UART handle allocation */
+  */
-  if (huart == NULL)
+HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart)
-  {
+{
-    return HAL_ERROR;
+  /* Check the UART handle allocation */
-  }
+  if (huart == NULL)
+  {
-  /* Check the parameters */
+    return HAL_ERROR;
-  assert_param(IS_UART_HALFDUPLEX_INSTANCE(huart->Instance));
+  }
-  assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength));
-#if defined(USART_CR1_OVER8)
+  /* Check the parameters */
-  assert_param(IS_UART_OVERSAMPLING(huart->Init.OverSampling));
+  assert_param(IS_UART_HALFDUPLEX_INSTANCE(huart->Instance));
-#endif /* USART_CR1_OVER8 */
+  assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength));
+#if defined(USART_CR1_OVER8)
-  if (huart->gState == HAL_UART_STATE_RESET)
+  assert_param(IS_UART_OVERSAMPLING(huart->Init.OverSampling));
-  {
+#endif /* USART_CR1_OVER8 */
-    /* Allocate lock resource and initialize it */
-    huart->Lock = HAL_UNLOCKED;
+  if (huart->gState == HAL_UART_STATE_RESET)
+  {
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+    /* Allocate lock resource and initialize it */
-    UART_InitCallbacksToDefault(huart);
+    huart->Lock = HAL_UNLOCKED;
-    if (huart->MspInitCallback == NULL)
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-    {
+    UART_InitCallbacksToDefault(huart);
-      huart->MspInitCallback = HAL_UART_MspInit;
-    }
+    if (huart->MspInitCallback == NULL)
+    {
-    /* Init the low level hardware */
+      huart->MspInitCallback = HAL_UART_MspInit;
-    huart->MspInitCallback(huart);
+    }
-#else
-    /* Init the low level hardware : GPIO, CLOCK */
+    /* Init the low level hardware */
-    HAL_UART_MspInit(huart);
+    huart->MspInitCallback(huart);
-#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
+#else
-  }
+    /* Init the low level hardware : GPIO, CLOCK */
+    HAL_UART_MspInit(huart);
-  huart->gState = HAL_UART_STATE_BUSY;
+#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
+  }
-  /* Disable the peripheral */
-  __HAL_UART_DISABLE(huart);
+  huart->gState = HAL_UART_STATE_BUSY;
-  /* Set the UART Communication parameters */
+  /* Disable the peripheral */
-  UART_SetConfig(huart);
+  __HAL_UART_DISABLE(huart);
-  /* In half-duplex mode, the following bits must be kept cleared:
+  /* Set the UART Communication parameters */
-     - LINEN and CLKEN bits in the USART_CR2 register,
+  UART_SetConfig(huart);
-     - SCEN and IREN bits in the USART_CR3 register.*/
-  CLEAR_BIT(huart->Instance->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));
+  /* In half-duplex mode, the following bits must be kept cleared:
-  CLEAR_BIT(huart->Instance->CR3, (USART_CR3_IREN | USART_CR3_SCEN));
+     - LINEN and CLKEN bits in the USART_CR2 register,
+     - SCEN and IREN bits in the USART_CR3 register.*/
-  /* Enable the Half-Duplex mode by setting the HDSEL bit in the CR3 register */
+  CLEAR_BIT(huart->Instance->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));
-  SET_BIT(huart->Instance->CR3, USART_CR3_HDSEL);
+  CLEAR_BIT(huart->Instance->CR3, (USART_CR3_IREN | USART_CR3_SCEN));
-  /* Enable the peripheral */
+  /* Enable the Half-Duplex mode by setting the HDSEL bit in the CR3 register */
-  __HAL_UART_ENABLE(huart);
+  SET_BIT(huart->Instance->CR3, USART_CR3_HDSEL);
-  /* Initialize the UART state*/
+  /* Enable the peripheral */
-  huart->ErrorCode = HAL_UART_ERROR_NONE;
+  __HAL_UART_ENABLE(huart);
-  huart->gState = HAL_UART_STATE_READY;
-  huart->RxState = HAL_UART_STATE_READY;
+  /* Initialize the UART state*/
+  huart->ErrorCode = HAL_UART_ERROR_NONE;
-  return HAL_OK;
+  huart->gState = HAL_UART_STATE_READY;
-}
+  huart->RxState = HAL_UART_STATE_READY;
+  huart->RxEventType = HAL_UART_RXEVENT_TC;
-/**
-  * @brief  Initializes the LIN mode according to the specified
+  return HAL_OK;
-  *         parameters in the UART_InitTypeDef and create the associated handle.
+}
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  *                the configuration information for the specified UART module.
+/**
-  * @param  BreakDetectLength Specifies the LIN break detection length.
+  * @brief  Initializes the LIN mode according to the specified
-  *         This parameter can be one of the following values:
+  *         parameters in the UART_InitTypeDef and create the associated handle.
-  *            @arg UART_LINBREAKDETECTLENGTH_10B: 10-bit break detection
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  *            @arg UART_LINBREAKDETECTLENGTH_11B: 11-bit break detection
+  *                the configuration information for the specified UART module.
-  * @retval HAL status
+  * @param  BreakDetectLength Specifies the LIN break detection length.
-  */
+  *         This parameter can be one of the following values:
-HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength)
+  *            @arg UART_LINBREAKDETECTLENGTH_10B: 10-bit break detection
-{
+  *            @arg UART_LINBREAKDETECTLENGTH_11B: 11-bit break detection
-  /* Check the UART handle allocation */
+  * @retval HAL status
-  if (huart == NULL)
+  */
-  {
+HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength)
-    return HAL_ERROR;
+{
-  }
+  /* Check the UART handle allocation */
+  if (huart == NULL)
-  /* Check the LIN UART instance */
+  {
-  assert_param(IS_UART_LIN_INSTANCE(huart->Instance));
+    return HAL_ERROR;
+  }
-  /* Check the Break detection length parameter */
-  assert_param(IS_UART_LIN_BREAK_DETECT_LENGTH(BreakDetectLength));
+  /* Check the LIN UART instance */
-  assert_param(IS_UART_LIN_WORD_LENGTH(huart->Init.WordLength));
+  assert_param(IS_UART_LIN_INSTANCE(huart->Instance));
-#if defined(USART_CR1_OVER8)
-  assert_param(IS_UART_LIN_OVERSAMPLING(huart->Init.OverSampling));
+  /* Check the Break detection length parameter */
-#endif /* USART_CR1_OVER8 */
+  assert_param(IS_UART_LIN_BREAK_DETECT_LENGTH(BreakDetectLength));
+  assert_param(IS_UART_LIN_WORD_LENGTH(huart->Init.WordLength));
-  if (huart->gState == HAL_UART_STATE_RESET)
+#if defined(USART_CR1_OVER8)
-  {
+  assert_param(IS_UART_LIN_OVERSAMPLING(huart->Init.OverSampling));
-    /* Allocate lock resource and initialize it */
+#endif /* USART_CR1_OVER8 */
-    huart->Lock = HAL_UNLOCKED;
+  if (huart->gState == HAL_UART_STATE_RESET)
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  {
-    UART_InitCallbacksToDefault(huart);
+    /* Allocate lock resource and initialize it */
+    huart->Lock = HAL_UNLOCKED;
-    if (huart->MspInitCallback == NULL)
-    {
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-      huart->MspInitCallback = HAL_UART_MspInit;
+    UART_InitCallbacksToDefault(huart);
-    }
+    if (huart->MspInitCallback == NULL)
-    /* Init the low level hardware */
+    {
-    huart->MspInitCallback(huart);
+      huart->MspInitCallback = HAL_UART_MspInit;
-#else
+    }
-    /* Init the low level hardware : GPIO, CLOCK */
-    HAL_UART_MspInit(huart);
+    /* Init the low level hardware */
-#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
+    huart->MspInitCallback(huart);
-  }
+#else
+    /* Init the low level hardware : GPIO, CLOCK */
-  huart->gState = HAL_UART_STATE_BUSY;
+    HAL_UART_MspInit(huart);
+#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
-  /* Disable the peripheral */
+  }
-  __HAL_UART_DISABLE(huart);
+  huart->gState = HAL_UART_STATE_BUSY;
-  /* Set the UART Communication parameters */
-  UART_SetConfig(huart);
+  /* Disable the peripheral */
+  __HAL_UART_DISABLE(huart);
-  /* In LIN mode, the following bits must be kept cleared:
-     - CLKEN bits in the USART_CR2 register,
+  /* Set the UART Communication parameters */
-     - SCEN, HDSEL and IREN bits in the USART_CR3 register.*/
+  UART_SetConfig(huart);
-  CLEAR_BIT(huart->Instance->CR2, (USART_CR2_CLKEN));
-  CLEAR_BIT(huart->Instance->CR3, (USART_CR3_HDSEL | USART_CR3_IREN | USART_CR3_SCEN));
+  /* In LIN mode, the following bits must be kept cleared:
+     - CLKEN bits in the USART_CR2 register,
-  /* Enable the LIN mode by setting the LINEN bit in the CR2 register */
+     - SCEN, HDSEL and IREN bits in the USART_CR3 register.*/
-  SET_BIT(huart->Instance->CR2, USART_CR2_LINEN);
+  CLEAR_BIT(huart->Instance->CR2, (USART_CR2_CLKEN));
+  CLEAR_BIT(huart->Instance->CR3, (USART_CR3_HDSEL | USART_CR3_IREN | USART_CR3_SCEN));
-  /* Set the USART LIN Break detection length. */
-  CLEAR_BIT(huart->Instance->CR2, USART_CR2_LBDL);
+  /* Enable the LIN mode by setting the LINEN bit in the CR2 register */
-  SET_BIT(huart->Instance->CR2, BreakDetectLength);
+  SET_BIT(huart->Instance->CR2, USART_CR2_LINEN);
-  /* Enable the peripheral */
+  /* Set the USART LIN Break detection length. */
-  __HAL_UART_ENABLE(huart);
+  CLEAR_BIT(huart->Instance->CR2, USART_CR2_LBDL);
+  SET_BIT(huart->Instance->CR2, BreakDetectLength);
-  /* Initialize the UART state*/
-  huart->ErrorCode = HAL_UART_ERROR_NONE;
+  /* Enable the peripheral */
-  huart->gState = HAL_UART_STATE_READY;
+  __HAL_UART_ENABLE(huart);
-  huart->RxState = HAL_UART_STATE_READY;
+  /* Initialize the UART state*/
-  return HAL_OK;
+  huart->ErrorCode = HAL_UART_ERROR_NONE;
-}
+  huart->gState = HAL_UART_STATE_READY;
+  huart->RxState = HAL_UART_STATE_READY;
-/**
+  huart->RxEventType = HAL_UART_RXEVENT_TC;
-  * @brief  Initializes the Multi-Processor mode according to the specified
-  *         parameters in the UART_InitTypeDef and create the associated handle.
+  return HAL_OK;
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+}
-  *                the configuration information for the specified UART module.
-  * @param  Address USART address
+/**
-  * @param  WakeUpMethod specifies the USART wake-up method.
+  * @brief  Initializes the Multi-Processor mode according to the specified
-  *         This parameter can be one of the following values:
+  *         parameters in the UART_InitTypeDef and create the associated handle.
-  *            @arg UART_WAKEUPMETHOD_IDLELINE: Wake-up by an idle line detection
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  *            @arg UART_WAKEUPMETHOD_ADDRESSMARK: Wake-up by an address mark
+  *                the configuration information for the specified UART module.
-  * @retval HAL status
+  * @param  Address USART address
-  */
+  * @param  WakeUpMethod specifies the USART wake-up method.
-HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod)
+  *         This parameter can be one of the following values:
-{
+  *            @arg UART_WAKEUPMETHOD_IDLELINE: Wake-up by an idle line detection
-  /* Check the UART handle allocation */
+  *            @arg UART_WAKEUPMETHOD_ADDRESSMARK: Wake-up by an address mark
-  if (huart == NULL)
+  * @retval HAL status
-  {
+  */
-    return HAL_ERROR;
+HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod)
-  }
+{
+  /* Check the UART handle allocation */
-  /* Check the parameters */
+  if (huart == NULL)
-  assert_param(IS_UART_INSTANCE(huart->Instance));
+  {
+    return HAL_ERROR;
-  /* Check the Address & wake up method parameters */
+  }
-  assert_param(IS_UART_WAKEUPMETHOD(WakeUpMethod));
-  assert_param(IS_UART_ADDRESS(Address));
+  /* Check the parameters */
-  assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength));
+  assert_param(IS_UART_INSTANCE(huart->Instance));
-#if defined(USART_CR1_OVER8)
-  assert_param(IS_UART_OVERSAMPLING(huart->Init.OverSampling));
+  /* Check the Address & wake up method parameters */
-#endif /* USART_CR1_OVER8 */
+  assert_param(IS_UART_WAKEUPMETHOD(WakeUpMethod));
+  assert_param(IS_UART_ADDRESS(Address));
-  if (huart->gState == HAL_UART_STATE_RESET)
+  assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength));
-  {
+#if defined(USART_CR1_OVER8)
-    /* Allocate lock resource and initialize it */
+  assert_param(IS_UART_OVERSAMPLING(huart->Init.OverSampling));
-    huart->Lock = HAL_UNLOCKED;
+#endif /* USART_CR1_OVER8 */
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  if (huart->gState == HAL_UART_STATE_RESET)
-    UART_InitCallbacksToDefault(huart);
+  {
+    /* Allocate lock resource and initialize it */
-    if (huart->MspInitCallback == NULL)
+    huart->Lock = HAL_UNLOCKED;
-    {
-      huart->MspInitCallback = HAL_UART_MspInit;
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-    }
+    UART_InitCallbacksToDefault(huart);
-    /* Init the low level hardware */
+    if (huart->MspInitCallback == NULL)
-    huart->MspInitCallback(huart);
+    {
-#else
+      huart->MspInitCallback = HAL_UART_MspInit;
-    /* Init the low level hardware : GPIO, CLOCK */
+    }
-    HAL_UART_MspInit(huart);
-#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
+    /* Init the low level hardware */
-  }
+    huart->MspInitCallback(huart);
+#else
-  huart->gState = HAL_UART_STATE_BUSY;
+    /* Init the low level hardware : GPIO, CLOCK */
+    HAL_UART_MspInit(huart);
-  /* Disable the peripheral */
+#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
-  __HAL_UART_DISABLE(huart);
+  }
-  /* Set the UART Communication parameters */
+  huart->gState = HAL_UART_STATE_BUSY;
-  UART_SetConfig(huart);
+  /* Disable the peripheral */
-  /* In Multi-Processor mode, the following bits must be kept cleared:
+  __HAL_UART_DISABLE(huart);
-     - LINEN and CLKEN bits in the USART_CR2 register,
-     - SCEN, HDSEL and IREN  bits in the USART_CR3 register */
+  /* Set the UART Communication parameters */
-  CLEAR_BIT(huart->Instance->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));
+  UART_SetConfig(huart);
-  CLEAR_BIT(huart->Instance->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN));
+  /* In Multi-Processor mode, the following bits must be kept cleared:
-  /* Set the USART address node */
+     - LINEN and CLKEN bits in the USART_CR2 register,
-  CLEAR_BIT(huart->Instance->CR2, USART_CR2_ADD);
+     - SCEN, HDSEL and IREN  bits in the USART_CR3 register */
-  SET_BIT(huart->Instance->CR2, Address);
+  CLEAR_BIT(huart->Instance->CR2, (USART_CR2_LINEN | USART_CR2_CLKEN));
+  CLEAR_BIT(huart->Instance->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN));
-  /* Set the wake up method by setting the WAKE bit in the CR1 register */
-  CLEAR_BIT(huart->Instance->CR1, USART_CR1_WAKE);
+  /* Set the USART address node */
-  SET_BIT(huart->Instance->CR1, WakeUpMethod);
+  CLEAR_BIT(huart->Instance->CR2, USART_CR2_ADD);
+  SET_BIT(huart->Instance->CR2, Address);
-  /* Enable the peripheral */
-  __HAL_UART_ENABLE(huart);
+  /* Set the wake up method by setting the WAKE bit in the CR1 register */
+  CLEAR_BIT(huart->Instance->CR1, USART_CR1_WAKE);
-  /* Initialize the UART state */
+  SET_BIT(huart->Instance->CR1, WakeUpMethod);
-  huart->ErrorCode = HAL_UART_ERROR_NONE;
-  huart->gState = HAL_UART_STATE_READY;
+  /* Enable the peripheral */
-  huart->RxState = HAL_UART_STATE_READY;
+  __HAL_UART_ENABLE(huart);
-  return HAL_OK;
+  /* Initialize the UART state */
-}
+  huart->ErrorCode = HAL_UART_ERROR_NONE;
+  huart->gState = HAL_UART_STATE_READY;
-/**
+  huart->RxState = HAL_UART_STATE_READY;
-  * @brief  DeInitializes the UART peripheral.
+  huart->RxEventType = HAL_UART_RXEVENT_TC;
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  *                the configuration information for the specified UART module.
+  return HAL_OK;
-  * @retval HAL status
+}
-  */
-HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart)
+/**
-{
+  * @brief  DeInitializes the UART peripheral.
-  /* Check the UART handle allocation */
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  if (huart == NULL)
+  *                the configuration information for the specified UART module.
-  {
+  * @retval HAL status
-    return HAL_ERROR;
+  */
-  }
+HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart)
+{
-  /* Check the parameters */
+  /* Check the UART handle allocation */
-  assert_param(IS_UART_INSTANCE(huart->Instance));
+  if (huart == NULL)
+  {
-  huart->gState = HAL_UART_STATE_BUSY;
+    return HAL_ERROR;
+  }
-  /* Disable the Peripheral */
-  __HAL_UART_DISABLE(huart);
+  /* Check the parameters */
+  assert_param(IS_UART_INSTANCE(huart->Instance));
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  if (huart->MspDeInitCallback == NULL)
+  huart->gState = HAL_UART_STATE_BUSY;
-  {
-    huart->MspDeInitCallback = HAL_UART_MspDeInit;
+  /* Disable the Peripheral */
-  }
+  __HAL_UART_DISABLE(huart);
-  /* DeInit the low level hardware */
-  huart->MspDeInitCallback(huart);
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-#else
+  if (huart->MspDeInitCallback == NULL)
-  /* DeInit the low level hardware */
+  {
-  HAL_UART_MspDeInit(huart);
+    huart->MspDeInitCallback = HAL_UART_MspDeInit;
-#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
+  }
+  /* DeInit the low level hardware */
-  huart->ErrorCode = HAL_UART_ERROR_NONE;
+  huart->MspDeInitCallback(huart);
-  huart->gState = HAL_UART_STATE_RESET;
+#else
-  huart->RxState = HAL_UART_STATE_RESET;
+  /* DeInit the low level hardware */
-  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+  HAL_UART_MspDeInit(huart);
+#endif /* (USE_HAL_UART_REGISTER_CALLBACKS) */
-  /* Process Unlock */
-  __HAL_UNLOCK(huart);
+  huart->ErrorCode = HAL_UART_ERROR_NONE;
+  huart->gState = HAL_UART_STATE_RESET;
-  return HAL_OK;
+  huart->RxState = HAL_UART_STATE_RESET;
-}
+  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+  huart->RxEventType = HAL_UART_RXEVENT_TC;
-/**
-  * @brief  UART MSP Init.
+  /* Process Unlock */
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+  __HAL_UNLOCK(huart);
-  *                the configuration information for the specified UART module.
-  * @retval None
+  return HAL_OK;
-  */
+}
-__weak void HAL_UART_MspInit(UART_HandleTypeDef *huart)
-{
+/**
-  /* Prevent unused argument(s) compilation warning */
+  * @brief  UART MSP Init.
-  UNUSED(huart);
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  /* NOTE: This function should not be modified, when the callback is needed,
+  *                the configuration information for the specified UART module.
-           the HAL_UART_MspInit could be implemented in the user file
+  * @retval None
-   */
+  */
-}
+__weak void HAL_UART_MspInit(UART_HandleTypeDef *huart)
+{
-/**
+  /* Prevent unused argument(s) compilation warning */
-  * @brief  UART MSP DeInit.
+  UNUSED(huart);
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+  /* NOTE: This function should not be modified, when the callback is needed,
-  *                the configuration information for the specified UART module.
+           the HAL_UART_MspInit could be implemented in the user file
-  * @retval None
+   */
-  */
+}
-__weak void HAL_UART_MspDeInit(UART_HandleTypeDef *huart)
-{
+/**
-  /* Prevent unused argument(s) compilation warning */
+  * @brief  UART MSP DeInit.
-  UNUSED(huart);
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  /* NOTE: This function should not be modified, when the callback is needed,
+  *                the configuration information for the specified UART module.
-           the HAL_UART_MspDeInit could be implemented in the user file
+  * @retval None
-   */
+  */
-}
+__weak void HAL_UART_MspDeInit(UART_HandleTypeDef *huart)
+{
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  /* Prevent unused argument(s) compilation warning */
-/**
+  UNUSED(huart);
-  * @brief  Register a User UART Callback
+  /* NOTE: This function should not be modified, when the callback is needed,
-  *         To be used instead of the weak predefined callback
+           the HAL_UART_MspDeInit could be implemented in the user file
-  * @param  huart uart handle
+   */
-  * @param  CallbackID ID of the callback to be registered
+}
-  *         This parameter can be one of the following values:
-  *           @arg @ref HAL_UART_TX_HALFCOMPLETE_CB_ID Tx Half Complete Callback ID
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  *           @arg @ref HAL_UART_TX_COMPLETE_CB_ID Tx Complete Callback ID
+/**
-  *           @arg @ref HAL_UART_RX_HALFCOMPLETE_CB_ID Rx Half Complete Callback ID
+  * @brief  Register a User UART Callback
-  *           @arg @ref HAL_UART_RX_COMPLETE_CB_ID Rx Complete Callback ID
+  *         To be used instead of the weak predefined callback
-  *           @arg @ref HAL_UART_ERROR_CB_ID Error Callback ID
+  * @note   The HAL_UART_RegisterCallback() may be called before HAL_UART_Init(), HAL_HalfDuplex_Init(), HAL_LIN_Init(),
-  *           @arg @ref HAL_UART_ABORT_COMPLETE_CB_ID Abort Complete Callback ID
+  *         HAL_MultiProcessor_Init() to register callbacks for HAL_UART_MSPINIT_CB_ID and HAL_UART_MSPDEINIT_CB_ID
-  *           @arg @ref HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID Abort Transmit Complete Callback ID
+  * @param  huart uart handle
-  *           @arg @ref HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID Abort Receive Complete Callback ID
+  * @param  CallbackID ID of the callback to be registered
-  *           @arg @ref HAL_UART_MSPINIT_CB_ID MspInit Callback ID
+  *         This parameter can be one of the following values:
-  *           @arg @ref HAL_UART_MSPDEINIT_CB_ID MspDeInit Callback ID
+  *           @arg @ref HAL_UART_TX_HALFCOMPLETE_CB_ID Tx Half Complete Callback ID
-  * @param  pCallback pointer to the Callback function
+  *           @arg @ref HAL_UART_TX_COMPLETE_CB_ID Tx Complete Callback ID
-  * @retval HAL status
+  *           @arg @ref HAL_UART_RX_HALFCOMPLETE_CB_ID Rx Half Complete Callback ID
-  */
+  *           @arg @ref HAL_UART_RX_COMPLETE_CB_ID Rx Complete Callback ID
-HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID, pUART_CallbackTypeDef pCallback)
+  *           @arg @ref HAL_UART_ERROR_CB_ID Error Callback ID
-{
+  *           @arg @ref HAL_UART_ABORT_COMPLETE_CB_ID Abort Complete Callback ID
-  HAL_StatusTypeDef status = HAL_OK;
+  *           @arg @ref HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID Abort Transmit Complete Callback ID
+  *           @arg @ref HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID Abort Receive Complete Callback ID
-  if (pCallback == NULL)
+  *           @arg @ref HAL_UART_MSPINIT_CB_ID MspInit Callback ID
-  {
+  *           @arg @ref HAL_UART_MSPDEINIT_CB_ID MspDeInit Callback ID
-    /* Update the error code */
+  * @param  pCallback pointer to the Callback function
-    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
+  * @retval HAL status
+  */
-    return HAL_ERROR;
+HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID,
-  }
+                                            pUART_CallbackTypeDef pCallback)
-  /* Process locked */
+{
-  __HAL_LOCK(huart);
+  HAL_StatusTypeDef status = HAL_OK;
-  if (huart->gState == HAL_UART_STATE_READY)
+  if (pCallback == NULL)
   {
-    switch (CallbackID)
+    /* Update the error code */
-    {
+    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
-      case HAL_UART_TX_HALFCOMPLETE_CB_ID :
-        huart->TxHalfCpltCallback = pCallback;
+    return HAL_ERROR;
-        break;
+  }
-      case HAL_UART_TX_COMPLETE_CB_ID :
+  if (huart->gState == HAL_UART_STATE_READY)
-        huart->TxCpltCallback = pCallback;
+  {
-        break;
+    switch (CallbackID)
+    {
-      case HAL_UART_RX_HALFCOMPLETE_CB_ID :
+      case HAL_UART_TX_HALFCOMPLETE_CB_ID :
-        huart->RxHalfCpltCallback = pCallback;
+        huart->TxHalfCpltCallback = pCallback;
         break;
-      case HAL_UART_RX_COMPLETE_CB_ID :
+      case HAL_UART_TX_COMPLETE_CB_ID :
-        huart->RxCpltCallback = pCallback;
+        huart->TxCpltCallback = pCallback;
         break;
-      case HAL_UART_ERROR_CB_ID :
+      case HAL_UART_RX_HALFCOMPLETE_CB_ID :
-        huart->ErrorCallback = pCallback;
+        huart->RxHalfCpltCallback = pCallback;
         break;
-      case HAL_UART_ABORT_COMPLETE_CB_ID :
+      case HAL_UART_RX_COMPLETE_CB_ID :
-        huart->AbortCpltCallback = pCallback;
+        huart->RxCpltCallback = pCallback;
         break;
-      case HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID :
+      case HAL_UART_ERROR_CB_ID :
-        huart->AbortTransmitCpltCallback = pCallback;
+        huart->ErrorCallback = pCallback;
         break;
-      case HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID :
+      case HAL_UART_ABORT_COMPLETE_CB_ID :
-        huart->AbortReceiveCpltCallback = pCallback;
+        huart->AbortCpltCallback = pCallback;
         break;
-      case HAL_UART_MSPINIT_CB_ID :
+      case HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID :
-        huart->MspInitCallback = pCallback;
+        huart->AbortTransmitCpltCallback = pCallback;
         break;
-      case HAL_UART_MSPDEINIT_CB_ID :
+      case HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID :
-        huart->MspDeInitCallback = pCallback;
+        huart->AbortReceiveCpltCallback = pCallback;
         break;
-      default :
+      case HAL_UART_MSPINIT_CB_ID :
-        /* Update the error code */
+        huart->MspInitCallback = pCallback;
-        huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
+        break;
-        /* Return error status */
+      case HAL_UART_MSPDEINIT_CB_ID :
-        status =  HAL_ERROR;
+        huart->MspDeInitCallback = pCallback;
         break;
-    }
-  }
+      default :
-  else if (huart->gState == HAL_UART_STATE_RESET)
+        /* Update the error code */
-  {
+        huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
-    switch (CallbackID)
-    {
+        /* Return error status */
-      case HAL_UART_MSPINIT_CB_ID :
+        status =  HAL_ERROR;
-        huart->MspInitCallback = pCallback;
+        break;
-        break;
+    }
+  }
-      case HAL_UART_MSPDEINIT_CB_ID :
+  else if (huart->gState == HAL_UART_STATE_RESET)
-        huart->MspDeInitCallback = pCallback;
+  {
-        break;
+    switch (CallbackID)
+    {
-      default :
+      case HAL_UART_MSPINIT_CB_ID :
-        /* Update the error code */
+        huart->MspInitCallback = pCallback;
-        huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
+        break;
-        /* Return error status */
+      case HAL_UART_MSPDEINIT_CB_ID :
-        status =  HAL_ERROR;
+        huart->MspDeInitCallback = pCallback;
         break;
-    }
-  }
+      default :
-  else
+        /* Update the error code */
-  {
+        huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
-    /* Update the error code */
-    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
+        /* Return error status */
+        status =  HAL_ERROR;
-    /* Return error status */
+        break;
-    status =  HAL_ERROR;
+    }
   }
+  else
-  /* Release Lock */
+  {
-  __HAL_UNLOCK(huart);
+    /* Update the error code */
+    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
-  return status;
-}
+    /* Return error status */
+    status =  HAL_ERROR;
-/**
+  }
-  * @brief  Unregister an UART Callback
-  *         UART callaback is redirected to the weak predefined callback
+  return status;
-  * @param  huart uart handle
+}
-  * @param  CallbackID ID of the callback to be unregistered
-  *         This parameter can be one of the following values:
+/**
-  *           @arg @ref HAL_UART_TX_HALFCOMPLETE_CB_ID Tx Half Complete Callback ID
+  * @brief  Unregister an UART Callback
-  *           @arg @ref HAL_UART_TX_COMPLETE_CB_ID Tx Complete Callback ID
+  *         UART callaback is redirected to the weak predefined callback
-  *           @arg @ref HAL_UART_RX_HALFCOMPLETE_CB_ID Rx Half Complete Callback ID
+  * @note   The HAL_UART_UnRegisterCallback() may be called before HAL_UART_Init(), HAL_HalfDuplex_Init(),
-  *           @arg @ref HAL_UART_RX_COMPLETE_CB_ID Rx Complete Callback ID
+  *         HAL_LIN_Init(), HAL_MultiProcessor_Init() to un-register callbacks for HAL_UART_MSPINIT_CB_ID
-  *           @arg @ref HAL_UART_ERROR_CB_ID Error Callback ID
+  *         and HAL_UART_MSPDEINIT_CB_ID
-  *           @arg @ref HAL_UART_ABORT_COMPLETE_CB_ID Abort Complete Callback ID
+  * @param  huart uart handle
-  *           @arg @ref HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID Abort Transmit Complete Callback ID
+  * @param  CallbackID ID of the callback to be unregistered
-  *           @arg @ref HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID Abort Receive Complete Callback ID
+  *         This parameter can be one of the following values:
-  *           @arg @ref HAL_UART_MSPINIT_CB_ID MspInit Callback ID
+  *           @arg @ref HAL_UART_TX_HALFCOMPLETE_CB_ID Tx Half Complete Callback ID
-  *           @arg @ref HAL_UART_MSPDEINIT_CB_ID MspDeInit Callback ID
+  *           @arg @ref HAL_UART_TX_COMPLETE_CB_ID Tx Complete Callback ID
-  * @retval HAL status
+  *           @arg @ref HAL_UART_RX_HALFCOMPLETE_CB_ID Rx Half Complete Callback ID
-  */
+  *           @arg @ref HAL_UART_RX_COMPLETE_CB_ID Rx Complete Callback ID
-HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID)
+  *           @arg @ref HAL_UART_ERROR_CB_ID Error Callback ID
-{
+  *           @arg @ref HAL_UART_ABORT_COMPLETE_CB_ID Abort Complete Callback ID
-  HAL_StatusTypeDef status = HAL_OK;
+  *           @arg @ref HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID Abort Transmit Complete Callback ID
+  *           @arg @ref HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID Abort Receive Complete Callback ID
-  /* Process locked */
+  *           @arg @ref HAL_UART_MSPINIT_CB_ID MspInit Callback ID
-  __HAL_LOCK(huart);
+  *           @arg @ref HAL_UART_MSPDEINIT_CB_ID MspDeInit Callback ID
+  * @retval HAL status
-  if (HAL_UART_STATE_READY == huart->gState)
+  */
-  {
+HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID)
-    switch (CallbackID)
+{
-    {
+  HAL_StatusTypeDef status = HAL_OK;
-      case HAL_UART_TX_HALFCOMPLETE_CB_ID :
-        huart->TxHalfCpltCallback = HAL_UART_TxHalfCpltCallback;               /* Legacy weak  TxHalfCpltCallback       */
+  if (HAL_UART_STATE_READY == huart->gState)
-        break;
+  {
+    switch (CallbackID)
-      case HAL_UART_TX_COMPLETE_CB_ID :
+    {
-        huart->TxCpltCallback = HAL_UART_TxCpltCallback;                       /* Legacy weak TxCpltCallback            */
+      case HAL_UART_TX_HALFCOMPLETE_CB_ID :
-        break;
+        huart->TxHalfCpltCallback = HAL_UART_TxHalfCpltCallback;               /* Legacy weak  TxHalfCpltCallback       */
+        break;
-      case HAL_UART_RX_HALFCOMPLETE_CB_ID :
-        huart->RxHalfCpltCallback = HAL_UART_RxHalfCpltCallback;               /* Legacy weak RxHalfCpltCallback        */
+      case HAL_UART_TX_COMPLETE_CB_ID :
-        break;
+        huart->TxCpltCallback = HAL_UART_TxCpltCallback;                       /* Legacy weak TxCpltCallback            */
+        break;
-      case HAL_UART_RX_COMPLETE_CB_ID :
-        huart->RxCpltCallback = HAL_UART_RxCpltCallback;                       /* Legacy weak RxCpltCallback            */
+      case HAL_UART_RX_HALFCOMPLETE_CB_ID :
-        break;
+        huart->RxHalfCpltCallback = HAL_UART_RxHalfCpltCallback;               /* Legacy weak RxHalfCpltCallback        */
+        break;
-      case HAL_UART_ERROR_CB_ID :
-        huart->ErrorCallback = HAL_UART_ErrorCallback;                         /* Legacy weak ErrorCallback             */
+      case HAL_UART_RX_COMPLETE_CB_ID :
-        break;
+        huart->RxCpltCallback = HAL_UART_RxCpltCallback;                       /* Legacy weak RxCpltCallback            */
+        break;
-      case HAL_UART_ABORT_COMPLETE_CB_ID :
-        huart->AbortCpltCallback = HAL_UART_AbortCpltCallback;                 /* Legacy weak AbortCpltCallback         */
+      case HAL_UART_ERROR_CB_ID :
-        break;
+        huart->ErrorCallback = HAL_UART_ErrorCallback;                         /* Legacy weak ErrorCallback             */
+        break;
-      case HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID :
-        huart->AbortTransmitCpltCallback = HAL_UART_AbortTransmitCpltCallback; /* Legacy weak AbortTransmitCpltCallback */
+      case HAL_UART_ABORT_COMPLETE_CB_ID :
-        break;
+        huart->AbortCpltCallback = HAL_UART_AbortCpltCallback;                 /* Legacy weak AbortCpltCallback         */
+        break;
-      case HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID :
-        huart->AbortReceiveCpltCallback = HAL_UART_AbortReceiveCpltCallback;   /* Legacy weak AbortReceiveCpltCallback  */
+      case HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID :
-        break;
+        huart->AbortTransmitCpltCallback = HAL_UART_AbortTransmitCpltCallback; /* Legacy weak AbortTransmitCpltCallback */
+        break;
-      case HAL_UART_MSPINIT_CB_ID :
-        huart->MspInitCallback = HAL_UART_MspInit;                             /* Legacy weak MspInitCallback           */
+      case HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID :
-        break;
+        huart->AbortReceiveCpltCallback = HAL_UART_AbortReceiveCpltCallback;   /* Legacy weak AbortReceiveCpltCallback  */
+        break;
-      case HAL_UART_MSPDEINIT_CB_ID :
-        huart->MspDeInitCallback = HAL_UART_MspDeInit;                         /* Legacy weak MspDeInitCallback         */
+      case HAL_UART_MSPINIT_CB_ID :
-        break;
+        huart->MspInitCallback = HAL_UART_MspInit;                             /* Legacy weak MspInitCallback           */
+        break;
-      default :
-        /* Update the error code */
+      case HAL_UART_MSPDEINIT_CB_ID :
-        huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
+        huart->MspDeInitCallback = HAL_UART_MspDeInit;                         /* Legacy weak MspDeInitCallback         */
+        break;
-        /* Return error status */
-        status =  HAL_ERROR;
+      default :
-        break;
+        /* Update the error code */
-    }
+        huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
-  }
-  else if (HAL_UART_STATE_RESET == huart->gState)
+        /* Return error status */
-  {
+        status =  HAL_ERROR;
-    switch (CallbackID)
+        break;
-    {
+    }
-      case HAL_UART_MSPINIT_CB_ID :
+  }
-        huart->MspInitCallback = HAL_UART_MspInit;
+  else if (HAL_UART_STATE_RESET == huart->gState)
-        break;
+  {
+    switch (CallbackID)
-      case HAL_UART_MSPDEINIT_CB_ID :
+    {
-        huart->MspDeInitCallback = HAL_UART_MspDeInit;
+      case HAL_UART_MSPINIT_CB_ID :
-        break;
+        huart->MspInitCallback = HAL_UART_MspInit;
+        break;
-      default :
-        /* Update the error code */
+      case HAL_UART_MSPDEINIT_CB_ID :
-        huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
+        huart->MspDeInitCallback = HAL_UART_MspDeInit;
+        break;
-        /* Return error status */
-        status =  HAL_ERROR;
+      default :
-        break;
+        /* Update the error code */
-    }
+        huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
-  }
-  else
+        /* Return error status */
-  {
+        status =  HAL_ERROR;
-    /* Update the error code */
+        break;
-    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
+    }
+  }
-    /* Return error status */
+  else
-    status =  HAL_ERROR;
+  {
-  }
+    /* Update the error code */
+    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
-  /* Release Lock */
-  __HAL_UNLOCK(huart);
+    /* Return error status */
+    status =  HAL_ERROR;
-  return status;
+  }
-}
+  return status;
-/**
+}
-  * @brief  Register a User UART Rx Event Callback
-  *         To be used instead of the weak predefined callback
+/**
-  * @param  huart     Uart handle
+  * @brief  Register a User UART Rx Event Callback
-  * @param  pCallback Pointer to the Rx Event Callback function
+  *         To be used instead of the weak predefined callback
-  * @retval HAL status
+  * @param  huart     Uart handle
-  */
+  * @param  pCallback Pointer to the Rx Event Callback function
-HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback)
+  * @retval HAL status
-{
+  */
-  HAL_StatusTypeDef status = HAL_OK;
+HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback)
+{
-  if (pCallback == NULL)
+  HAL_StatusTypeDef status = HAL_OK;
-  {
-    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
+  if (pCallback == NULL)
+  {
-    return HAL_ERROR;
+    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
-  }
+    return HAL_ERROR;
-  /* Process locked */
+  }
-  __HAL_LOCK(huart);
+  /* Process locked */
-  if (huart->gState == HAL_UART_STATE_READY)
+  __HAL_LOCK(huart);
-  {
-    huart->RxEventCallback = pCallback;
+  if (huart->gState == HAL_UART_STATE_READY)
-  }
+  {
-  else
+    huart->RxEventCallback = pCallback;
-  {
+  }
-    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
+  else
+  {
-    status =  HAL_ERROR;
+    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
-  }
+    status =  HAL_ERROR;
-  /* Release Lock */
+  }
-  __HAL_UNLOCK(huart);
+  /* Release Lock */
-  return status;
+  __HAL_UNLOCK(huart);
-}
+  return status;
-/**
+}
-  * @brief  UnRegister the UART Rx Event Callback
-  *         UART Rx Event Callback is redirected to the weak HAL_UARTEx_RxEventCallback() predefined callback
+/**
-  * @param  huart     Uart handle
+  * @brief  UnRegister the UART Rx Event Callback
-  * @retval HAL status
+  *         UART Rx Event Callback is redirected to the weak HAL_UARTEx_RxEventCallback() predefined callback
-  */
+  * @param  huart     Uart handle
-HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart)
+  * @retval HAL status
-{
+  */
-  HAL_StatusTypeDef status = HAL_OK;
+HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart)
+{
-  /* Process locked */
+  HAL_StatusTypeDef status = HAL_OK;
-  __HAL_LOCK(huart);
+  /* Process locked */
-  if (huart->gState == HAL_UART_STATE_READY)
+  __HAL_LOCK(huart);
-  {
-    huart->RxEventCallback = HAL_UARTEx_RxEventCallback; /* Legacy weak UART Rx Event Callback  */
+  if (huart->gState == HAL_UART_STATE_READY)
-  }
+  {
-  else
+    huart->RxEventCallback = HAL_UARTEx_RxEventCallback; /* Legacy weak UART Rx Event Callback  */
-  {
+  }
-    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
+  else
+  {
-    status =  HAL_ERROR;
+    huart->ErrorCode |= HAL_UART_ERROR_INVALID_CALLBACK;
-  }
+    status =  HAL_ERROR;
-  /* Release Lock */
+  }
-  __HAL_UNLOCK(huart);
-  return status;
+  /* Release Lock */
-}
+  __HAL_UNLOCK(huart);
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  return status;
+}
-/**
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-  * @}
-  */
+/**
+  * @}
-/** @defgroup UART_Exported_Functions_Group2 IO operation functions
+  */
-  *  @brief UART Transmit and Receive functions
-  *
+/** @defgroup UART_Exported_Functions_Group2 IO operation functions
-@verbatim
+  *  @brief UART Transmit and Receive functions
- ===============================================================================
+  *
-                      ##### IO operation functions #####
+@verbatim
  ===============================================================================
-    This subsection provides a set of functions allowing to manage the UART asynchronous
+                      ##### IO operation functions #####
-    and Half duplex data transfers.
+ ===============================================================================
+    This subsection provides a set of functions allowing to manage the UART asynchronous
-    (#) There are two modes of transfer:
+    and Half duplex data transfers.
-       (+) Blocking mode: The communication is performed in polling mode.
-           The HAL status of all data processing is returned by the same function
+    (#) There are two modes of transfer:
-           after finishing transfer.
+       (+) Blocking mode: The communication is performed in polling mode.
-       (+) Non-Blocking mode: The communication is performed using Interrupts
+           The HAL status of all data processing is returned by the same function
-           or DMA, these API's return the HAL status.
+           after finishing transfer.
-           The end of the data processing will be indicated through the
+       (+) Non-Blocking mode: The communication is performed using Interrupts
-           dedicated UART IRQ when using Interrupt mode or the DMA IRQ when
+           or DMA, these API's return the HAL status.
-           using DMA mode.
+           The end of the data processing will be indicated through the
-           The HAL_UART_TxCpltCallback(), HAL_UART_RxCpltCallback() user callbacks
+           dedicated UART IRQ when using Interrupt mode or the DMA IRQ when
-           will be executed respectively at the end of the transmit or receive process
+           using DMA mode.
-           The HAL_UART_ErrorCallback()user callback will be executed when a communication error is detected.
+           The HAL_UART_TxCpltCallback(), HAL_UART_RxCpltCallback() user callbacks
+           will be executed respectively at the end of the transmit or receive process
-    (#) Blocking mode API's are :
+           The HAL_UART_ErrorCallback()user callback will be executed when a communication error is detected.
-        (+) HAL_UART_Transmit()
-        (+) HAL_UART_Receive()
+    (#) Blocking mode API's are :
+        (+) HAL_UART_Transmit()
-    (#) Non-Blocking mode API's with Interrupt are :
+        (+) HAL_UART_Receive()
-        (+) HAL_UART_Transmit_IT()
-        (+) HAL_UART_Receive_IT()
+    (#) Non-Blocking mode API's with Interrupt are :
-        (+) HAL_UART_IRQHandler()
+        (+) HAL_UART_Transmit_IT()
+        (+) HAL_UART_Receive_IT()
-    (#) Non-Blocking mode API's with DMA are :
+        (+) HAL_UART_IRQHandler()
-        (+) HAL_UART_Transmit_DMA()
-        (+) HAL_UART_Receive_DMA()
+    (#) Non-Blocking mode API's with DMA are :
-        (+) HAL_UART_DMAPause()
+        (+) HAL_UART_Transmit_DMA()
-        (+) HAL_UART_DMAResume()
+        (+) HAL_UART_Receive_DMA()
-        (+) HAL_UART_DMAStop()
+        (+) HAL_UART_DMAPause()
+        (+) HAL_UART_DMAResume()
-    (#) A set of Transfer Complete Callbacks are provided in Non_Blocking mode:
+        (+) HAL_UART_DMAStop()
-        (+) HAL_UART_TxHalfCpltCallback()
-        (+) HAL_UART_TxCpltCallback()
+    (#) A set of Transfer Complete Callbacks are provided in Non_Blocking mode:
-        (+) HAL_UART_RxHalfCpltCallback()
+        (+) HAL_UART_TxHalfCpltCallback()
-        (+) HAL_UART_RxCpltCallback()
+        (+) HAL_UART_TxCpltCallback()
-        (+) HAL_UART_ErrorCallback()
+        (+) HAL_UART_RxHalfCpltCallback()
+        (+) HAL_UART_RxCpltCallback()
-    (#) Non-Blocking mode transfers could be aborted using Abort API's :
+        (+) HAL_UART_ErrorCallback()
-        (+) HAL_UART_Abort()
-        (+) HAL_UART_AbortTransmit()
+    (#) Non-Blocking mode transfers could be aborted using Abort API's :
-        (+) HAL_UART_AbortReceive()
+        (+) HAL_UART_Abort()
-        (+) HAL_UART_Abort_IT()
+        (+) HAL_UART_AbortTransmit()
-        (+) HAL_UART_AbortTransmit_IT()
+        (+) HAL_UART_AbortReceive()
-        (+) HAL_UART_AbortReceive_IT()
+        (+) HAL_UART_Abort_IT()
+        (+) HAL_UART_AbortTransmit_IT()
-    (#) For Abort services based on interrupts (HAL_UART_Abortxxx_IT), a set of Abort Complete Callbacks are provided:
+        (+) HAL_UART_AbortReceive_IT()
-        (+) HAL_UART_AbortCpltCallback()
-        (+) HAL_UART_AbortTransmitCpltCallback()
+    (#) For Abort services based on interrupts (HAL_UART_Abortxxx_IT), a set of Abort Complete Callbacks are provided:
-        (+) HAL_UART_AbortReceiveCpltCallback()
+        (+) HAL_UART_AbortCpltCallback()
+        (+) HAL_UART_AbortTransmitCpltCallback()
-    (#) A Rx Event Reception Callback (Rx event notification) is available for Non_Blocking modes of enhanced reception services:
+        (+) HAL_UART_AbortReceiveCpltCallback()
-        (+) HAL_UARTEx_RxEventCallback()
+    (#) A Rx Event Reception Callback (Rx event notification) is available for Non_Blocking modes of enhanced reception services:
-    (#) In Non-Blocking mode transfers, possible errors are split into 2 categories.
+        (+) HAL_UARTEx_RxEventCallback()
-        Errors are handled as follows :
-       (+) Error is considered as Recoverable and non blocking : Transfer could go till end, but error severity is
+    (#) In Non-Blocking mode transfers, possible errors are split into 2 categories.
-           to be evaluated by user : this concerns Frame Error, Parity Error or Noise Error in Interrupt mode reception .
+        Errors are handled as follows :
-           Received character is then retrieved and stored in Rx buffer, Error code is set to allow user to identify error type,
+       (+) Error is considered as Recoverable and non blocking : Transfer could go till end, but error severity is
-           and HAL_UART_ErrorCallback() user callback is executed. Transfer is kept ongoing on UART side.
+           to be evaluated by user : this concerns Frame Error, Parity Error or Noise Error in Interrupt mode reception .
-           If user wants to abort it, Abort services should be called by user.
+           Received character is then retrieved and stored in Rx buffer, Error code is set to allow user to identify error type,
-       (+) Error is considered as Blocking : Transfer could not be completed properly and is aborted.
+           and HAL_UART_ErrorCallback() user callback is executed. Transfer is kept ongoing on UART side.
-           This concerns Overrun Error In Interrupt mode reception and all errors in DMA mode.
+           If user wants to abort it, Abort services should be called by user.
-           Error code is set to allow user to identify error type, and HAL_UART_ErrorCallback() user callback is executed.
+       (+) Error is considered as Blocking : Transfer could not be completed properly and is aborted.
+           This concerns Overrun Error In Interrupt mode reception and all errors in DMA mode.
-    -@- In the Half duplex communication, it is forbidden to run the transmit
+           Error code is set to allow user to identify error type, and HAL_UART_ErrorCallback() user callback is executed.
-        and receive process in parallel, the UART state HAL_UART_STATE_BUSY_TX_RX can't be useful.
+    -@- In the Half duplex communication, it is forbidden to run the transmit
-@endverbatim
+        and receive process in parallel, the UART state HAL_UART_STATE_BUSY_TX_RX can't be useful.
-  * @{
-  */
+@endverbatim
+  * @{
-/**
+  */
-  * @brief  Sends an amount of data in blocking mode.
-  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01),
+/**
-  *         the sent data is handled as a set of u16. In this case, Size must indicate the number
+  * @brief  Sends an amount of data in blocking mode.
-  *         of u16 provided through pData.
+  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01),
-  * @param  huart Pointer to a UART_HandleTypeDef structure that contains
+  *         the sent data is handled as a set of u16. In this case, Size must indicate the number
-  *               the configuration information for the specified UART module.
+  *         of u16 provided through pData.
-  * @param  pData Pointer to data buffer (u8 or u16 data elements).
+  * @param  huart Pointer to a UART_HandleTypeDef structure that contains
-  * @param  Size  Amount of data elements (u8 or u16) to be sent
+  *               the configuration information for the specified UART module.
-  * @param  Timeout Timeout duration
+  * @param  pData Pointer to data buffer (u8 or u16 data elements).
-  * @retval HAL status
+  * @param  Size  Amount of data elements (u8 or u16) to be sent
-  */
+  * @param  Timeout Timeout duration
-HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout)
+  * @retval HAL status
-{
+  */
-  uint8_t  *pdata8bits;
+HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size, uint32_t Timeout)
-  uint16_t *pdata16bits;
+{
-  uint32_t tickstart = 0U;
+  const uint8_t  *pdata8bits;
+  const uint16_t *pdata16bits;
-  /* Check that a Tx process is not already ongoing */
+  uint32_t tickstart = 0U;
-  if (huart->gState == HAL_UART_STATE_READY)
-  {
+  /* Check that a Tx process is not already ongoing */
-    if ((pData == NULL) || (Size == 0U))
+  if (huart->gState == HAL_UART_STATE_READY)
-    {
+  {
-      return  HAL_ERROR;
+    if ((pData == NULL) || (Size == 0U))
-    }
+    {
+      return  HAL_ERROR;
-    /* Process Locked */
+    }
-    __HAL_LOCK(huart);
+    huart->ErrorCode = HAL_UART_ERROR_NONE;
-    huart->ErrorCode = HAL_UART_ERROR_NONE;
+    huart->gState = HAL_UART_STATE_BUSY_TX;
-    huart->gState = HAL_UART_STATE_BUSY_TX;
+    /* Init tickstart for timeout management */
-    /* Init tickstart for timeout management */
+    tickstart = HAL_GetTick();
-    tickstart = HAL_GetTick();
+    huart->TxXferSize = Size;
-    huart->TxXferSize = Size;
+    huart->TxXferCount = Size;
-    huart->TxXferCount = Size;
+    /* In case of 9bits/No Parity transfer, pData needs to be handled as a uint16_t pointer */
-    /* In case of 9bits/No Parity transfer, pData needs to be handled as a uint16_t pointer */
+    if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE))
-    if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE))
+    {
-    {
+      pdata8bits  = NULL;
-      pdata8bits  = NULL;
+      pdata16bits = (const uint16_t *) pData;
-      pdata16bits = (uint16_t *) pData;
+    }
-    }
+    else
-    else
+    {
-    {
+      pdata8bits  = pData;
-      pdata8bits  = pData;
+      pdata16bits = NULL;
-      pdata16bits = NULL;
+    }
-    }
+    while (huart->TxXferCount > 0U)
-    /* Process Unlocked */
+    {
-    __HAL_UNLOCK(huart);
+      if (UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK)
+      {
-    while (huart->TxXferCount > 0U)
+        return HAL_TIMEOUT;
-    {
+      }
-      if (UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK)
+      if (pdata8bits == NULL)
       {
-        return HAL_TIMEOUT;
+        huart->Instance->DR = (uint16_t)(*pdata16bits & 0x01FFU);
-      }
+        pdata16bits++;
-      if (pdata8bits == NULL)
+      }
-      {
+      else
-        huart->Instance->DR = (uint16_t)(*pdata16bits & 0x01FFU);
+      {
-        pdata16bits++;
+        huart->Instance->DR = (uint8_t)(*pdata8bits & 0xFFU);
-      }
+        pdata8bits++;
-      else
+      }
-      {
+      huart->TxXferCount--;
-        huart->Instance->DR = (uint8_t)(*pdata8bits & 0xFFU);
+    }
-        pdata8bits++;
-      }
+    if (UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TC, RESET, tickstart, Timeout) != HAL_OK)
-      huart->TxXferCount--;
+    {
-    }
+      return HAL_TIMEOUT;
+    }
-    if (UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TC, RESET, tickstart, Timeout) != HAL_OK)
-    {
+    /* At end of Tx process, restore huart->gState to Ready */
-      return HAL_TIMEOUT;
+    huart->gState = HAL_UART_STATE_READY;
-    }
+    return HAL_OK;
-    /* At end of Tx process, restore huart->gState to Ready */
+  }
-    huart->gState = HAL_UART_STATE_READY;
+  else
+  {
-    return HAL_OK;
+    return HAL_BUSY;
   }
-  else
+}
-  {
-    return HAL_BUSY;
+/**
-  }
+  * @brief  Receives an amount of data in blocking mode.
-}
+  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01),
+  *         the received data is handled as a set of u16. In this case, Size must indicate the number
-/**
+  *         of u16 available through pData.
-  * @brief  Receives an amount of data in blocking mode.
+  * @param  huart Pointer to a UART_HandleTypeDef structure that contains
-  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01),
+  *               the configuration information for the specified UART module.
-  *         the received data is handled as a set of u16. In this case, Size must indicate the number
+  * @param  pData Pointer to data buffer (u8 or u16 data elements).
-  *         of u16 available through pData.
+  * @param  Size  Amount of data elements (u8 or u16) to be received.
-  * @param  huart Pointer to a UART_HandleTypeDef structure that contains
+  * @param  Timeout Timeout duration
-  *               the configuration information for the specified UART module.
+  * @retval HAL status
-  * @param  pData Pointer to data buffer (u8 or u16 data elements).
+  */
-  * @param  Size  Amount of data elements (u8 or u16) to be received.
+HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout)
-  * @param  Timeout Timeout duration
+{
-  * @retval HAL status
+  uint8_t  *pdata8bits;
-  */
+  uint16_t *pdata16bits;
-HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout)
+  uint32_t tickstart = 0U;
-{
-  uint8_t  *pdata8bits;
+  /* Check that a Rx process is not already ongoing */
-  uint16_t *pdata16bits;
+  if (huart->RxState == HAL_UART_STATE_READY)
-  uint32_t tickstart = 0U;
+  {
+    if ((pData == NULL) || (Size == 0U))
-  /* Check that a Rx process is not already ongoing */
+    {
-  if (huart->RxState == HAL_UART_STATE_READY)
+      return  HAL_ERROR;
-  {
+    }
-    if ((pData == NULL) || (Size == 0U))
-    {
+    huart->ErrorCode = HAL_UART_ERROR_NONE;
-      return  HAL_ERROR;
+    huart->RxState = HAL_UART_STATE_BUSY_RX;
-    }
+    huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-    /* Process Locked */
+    /* Init tickstart for timeout management */
-    __HAL_LOCK(huart);
+    tickstart = HAL_GetTick();
-    huart->ErrorCode = HAL_UART_ERROR_NONE;
+    huart->RxXferSize = Size;
-    huart->RxState = HAL_UART_STATE_BUSY_RX;
+    huart->RxXferCount = Size;
-    huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+    /* In case of 9bits/No Parity transfer, pRxData needs to be handled as a uint16_t pointer */
-    /* Init tickstart for timeout management */
+    if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE))
-    tickstart = HAL_GetTick();
+    {
+      pdata8bits  = NULL;
-    huart->RxXferSize = Size;
+      pdata16bits = (uint16_t *) pData;
-    huart->RxXferCount = Size;
+    }
+    else
-    /* In case of 9bits/No Parity transfer, pRxData needs to be handled as a uint16_t pointer */
+    {
-    if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE))
+      pdata8bits  = pData;
-    {
+      pdata16bits = NULL;
-      pdata8bits  = NULL;
+    }
-      pdata16bits = (uint16_t *) pData;
-    }
+    /* Check the remain data to be received */
-    else
+    while (huart->RxXferCount > 0U)
     {
-      pdata8bits  = pData;
+      if (UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_RXNE, RESET, tickstart, Timeout) != HAL_OK)
-      pdata16bits = NULL;
+      {
-    }
+        return HAL_TIMEOUT;
+      }
-    /* Process Unlocked */
+      if (pdata8bits == NULL)
-    __HAL_UNLOCK(huart);
+      {
+        *pdata16bits = (uint16_t)(huart->Instance->DR & 0x01FF);
-    /* Check the remain data to be received */
+        pdata16bits++;
-    while (huart->RxXferCount > 0U)
+      }
-    {
+      else
-      if (UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_RXNE, RESET, tickstart, Timeout) != HAL_OK)
+      {
-      {
+        if ((huart->Init.WordLength == UART_WORDLENGTH_9B) || ((huart->Init.WordLength == UART_WORDLENGTH_8B) && (huart->Init.Parity == UART_PARITY_NONE)))
-        return HAL_TIMEOUT;
+        {
-      }
+          *pdata8bits = (uint8_t)(huart->Instance->DR & (uint8_t)0x00FF);
-      if (pdata8bits == NULL)
+        }
-      {
+        else
-        *pdata16bits = (uint16_t)(huart->Instance->DR & 0x01FF);
+        {
-        pdata16bits++;
+          *pdata8bits = (uint8_t)(huart->Instance->DR & (uint8_t)0x007F);
-      }
+        }
-      else
+        pdata8bits++;
-      {
+      }
-        if ((huart->Init.WordLength == UART_WORDLENGTH_9B) || ((huart->Init.WordLength == UART_WORDLENGTH_8B) && (huart->Init.Parity == UART_PARITY_NONE)))
+      huart->RxXferCount--;
-        {
+    }
-          *pdata8bits = (uint8_t)(huart->Instance->DR & (uint8_t)0x00FF);
-        }
+    /* At end of Rx process, restore huart->RxState to Ready */
-        else
+    huart->RxState = HAL_UART_STATE_READY;
-        {
-          *pdata8bits = (uint8_t)(huart->Instance->DR & (uint8_t)0x007F);
+    return HAL_OK;
-        }
+  }
-        pdata8bits++;
+  else
-      }
+  {
-      huart->RxXferCount--;
+    return HAL_BUSY;
-    }
+  }
+}
-    /* At end of Rx process, restore huart->RxState to Ready */
-    huart->RxState = HAL_UART_STATE_READY;
+/**
+  * @brief  Sends an amount of data in non blocking mode.
-    return HAL_OK;
+  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01),
-  }
+  *         the sent data is handled as a set of u16. In this case, Size must indicate the number
-  else
+  *         of u16 provided through pData.
-  {
+  * @param  huart Pointer to a UART_HandleTypeDef structure that contains
-    return HAL_BUSY;
+  *               the configuration information for the specified UART module.
-  }
+  * @param  pData Pointer to data buffer (u8 or u16 data elements).
-}
+  * @param  Size  Amount of data elements (u8 or u16) to be sent
+  * @retval HAL status
-/**
+  */
-  * @brief  Sends an amount of data in non blocking mode.
+HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size)
-  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01),
+{
-  *         the sent data is handled as a set of u16. In this case, Size must indicate the number
+  /* Check that a Tx process is not already ongoing */
-  *         of u16 provided through pData.
+  if (huart->gState == HAL_UART_STATE_READY)
-  * @param  huart Pointer to a UART_HandleTypeDef structure that contains
+  {
-  *               the configuration information for the specified UART module.
+    if ((pData == NULL) || (Size == 0U))
-  * @param  pData Pointer to data buffer (u8 or u16 data elements).
+    {
-  * @param  Size  Amount of data elements (u8 or u16) to be sent
+      return HAL_ERROR;
-  * @retval HAL status
+    }
-  */
-HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
+    huart->pTxBuffPtr = pData;
-{
+    huart->TxXferSize = Size;
-  /* Check that a Tx process is not already ongoing */
+    huart->TxXferCount = Size;
-  if (huart->gState == HAL_UART_STATE_READY)
-  {
+    huart->ErrorCode = HAL_UART_ERROR_NONE;
-    if ((pData == NULL) || (Size == 0U))
+    huart->gState = HAL_UART_STATE_BUSY_TX;
-    {
-      return HAL_ERROR;
+    /* Enable the UART Transmit data register empty Interrupt */
-    }
+    __HAL_UART_ENABLE_IT(huart, UART_IT_TXE);
-    /* Process Locked */
+    return HAL_OK;
-    __HAL_LOCK(huart);
+  }
+  else
-    huart->pTxBuffPtr = pData;
+  {
-    huart->TxXferSize = Size;
+    return HAL_BUSY;
-    huart->TxXferCount = Size;
+  }
+}
-    huart->ErrorCode = HAL_UART_ERROR_NONE;
-    huart->gState = HAL_UART_STATE_BUSY_TX;
+/**
+  * @brief  Receives an amount of data in non blocking mode.
-    /* Process Unlocked */
+  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01),
-    __HAL_UNLOCK(huart);
+  *         the received data is handled as a set of u16. In this case, Size must indicate the number
+  *         of u16 available through pData.
-    /* Enable the UART Transmit data register empty Interrupt */
+  * @param  huart Pointer to a UART_HandleTypeDef structure that contains
-    __HAL_UART_ENABLE_IT(huart, UART_IT_TXE);
+  *               the configuration information for the specified UART module.
+  * @param  pData Pointer to data buffer (u8 or u16 data elements).
-    return HAL_OK;
+  * @param  Size  Amount of data elements (u8 or u16) to be received.
-  }
+  * @retval HAL status
-  else
+  */
-  {
+HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
-    return HAL_BUSY;
+{
-  }
+  /* Check that a Rx process is not already ongoing */
-}
+  if (huart->RxState == HAL_UART_STATE_READY)
+  {
-/**
+    if ((pData == NULL) || (Size == 0U))
-  * @brief  Receives an amount of data in non blocking mode.
+    {
-  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01),
+      return HAL_ERROR;
-  *         the received data is handled as a set of u16. In this case, Size must indicate the number
+    }
-  *         of u16 available through pData.
-  * @param  huart Pointer to a UART_HandleTypeDef structure that contains
+    /* Set Reception type to Standard reception */
-  *               the configuration information for the specified UART module.
+    huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-  * @param  pData Pointer to data buffer (u8 or u16 data elements).
-  * @param  Size  Amount of data elements (u8 or u16) to be received.
+    return (UART_Start_Receive_IT(huart, pData, Size));
-  * @retval HAL status
+  }
-  */
+  else
-HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
+  {
-{
+    return HAL_BUSY;
-  /* Check that a Rx process is not already ongoing */
+  }
-  if (huart->RxState == HAL_UART_STATE_READY)
+}
-  {
-    if ((pData == NULL) || (Size == 0U))
+/**
-    {
+  * @brief  Sends an amount of data in DMA mode.
-      return HAL_ERROR;
+  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01),
-    }
+  *         the sent data is handled as a set of u16. In this case, Size must indicate the number
+  *         of u16 provided through pData.
-    /* Process Locked */
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-    __HAL_LOCK(huart);
+  *                the configuration information for the specified UART module.
+  * @param  pData Pointer to data buffer (u8 or u16 data elements).
-    /* Set Reception type to Standard reception */
+  * @param  Size  Amount of data elements (u8 or u16) to be sent
-    huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+  * @retval HAL status
+  */
-    return(UART_Start_Receive_IT(huart, pData, Size));
+HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, const uint8_t *pData, uint16_t Size)
-  }
+{
-  else
+  const uint32_t *tmp;
-  {
-    return HAL_BUSY;
+  /* Check that a Tx process is not already ongoing */
-  }
+  if (huart->gState == HAL_UART_STATE_READY)
-}
+  {
+    if ((pData == NULL) || (Size == 0U))
-/**
+    {
-  * @brief  Sends an amount of data in DMA mode.
+      return HAL_ERROR;
-  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01),
+    }
-  *         the sent data is handled as a set of u16. In this case, Size must indicate the number
-  *         of u16 provided through pData.
+    huart->pTxBuffPtr = pData;
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+    huart->TxXferSize = Size;
-  *                the configuration information for the specified UART module.
+    huart->TxXferCount = Size;
-  * @param  pData Pointer to data buffer (u8 or u16 data elements).
-  * @param  Size  Amount of data elements (u8 or u16) to be sent
+    huart->ErrorCode = HAL_UART_ERROR_NONE;
-  * @retval HAL status
+    huart->gState = HAL_UART_STATE_BUSY_TX;
-  */
-HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
+    /* Set the UART DMA transfer complete callback */
-{
+    huart->hdmatx->XferCpltCallback = UART_DMATransmitCplt;
-  uint32_t *tmp;
+    /* Set the UART DMA Half transfer complete callback */
-  /* Check that a Tx process is not already ongoing */
+    huart->hdmatx->XferHalfCpltCallback = UART_DMATxHalfCplt;
-  if (huart->gState == HAL_UART_STATE_READY)
-  {
+    /* Set the DMA error callback */
-    if ((pData == NULL) || (Size == 0U))
+    huart->hdmatx->XferErrorCallback = UART_DMAError;
-    {
-      return HAL_ERROR;
+    /* Set the DMA abort callback */
-    }
+    huart->hdmatx->XferAbortCallback = NULL;
-    /* Process Locked */
+    /* Enable the UART transmit DMA channel */
-    __HAL_LOCK(huart);
+    tmp = (const uint32_t *)&pData;
+    HAL_DMA_Start_IT(huart->hdmatx, *(const uint32_t *)tmp, (uint32_t)&huart->Instance->DR, Size);
-    huart->pTxBuffPtr = pData;
-    huart->TxXferSize = Size;
+    /* Clear the TC flag in the SR register by writing 0 to it */
-    huart->TxXferCount = Size;
+    __HAL_UART_CLEAR_FLAG(huart, UART_FLAG_TC);
-    huart->ErrorCode = HAL_UART_ERROR_NONE;
+    /* Enable the DMA transfer for transmit request by setting the DMAT bit
-    huart->gState = HAL_UART_STATE_BUSY_TX;
+       in the UART CR3 register */
+    ATOMIC_SET_BIT(huart->Instance->CR3, USART_CR3_DMAT);
-    /* Set the UART DMA transfer complete callback */
-    huart->hdmatx->XferCpltCallback = UART_DMATransmitCplt;
+    return HAL_OK;
+  }
-    /* Set the UART DMA Half transfer complete callback */
+  else
-    huart->hdmatx->XferHalfCpltCallback = UART_DMATxHalfCplt;
+  {
+    return HAL_BUSY;
-    /* Set the DMA error callback */
+  }
-    huart->hdmatx->XferErrorCallback = UART_DMAError;
+}
-    /* Set the DMA abort callback */
+/**
-    huart->hdmatx->XferAbortCallback = NULL;
+  * @brief  Receives an amount of data in DMA mode.
+  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01),
-    /* Enable the UART transmit DMA channel */
+  *         the received data is handled as a set of u16. In this case, Size must indicate the number
-    tmp = (uint32_t *)&pData;
+  *         of u16 available through pData.
-    HAL_DMA_Start_IT(huart->hdmatx, *(uint32_t *)tmp, (uint32_t)&huart->Instance->DR, Size);
+  * @param  huart Pointer to a UART_HandleTypeDef structure that contains
+  *               the configuration information for the specified UART module.
-    /* Clear the TC flag in the SR register by writing 0 to it */
+  * @param  pData Pointer to data buffer (u8 or u16 data elements).
-    __HAL_UART_CLEAR_FLAG(huart, UART_FLAG_TC);
+  * @param  Size  Amount of data elements (u8 or u16) to be received.
+  * @note   When the UART parity is enabled (PCE = 1) the received data contains the parity bit.
-    /* Process Unlocked */
+  * @retval HAL status
-    __HAL_UNLOCK(huart);
+  */
+HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
-    /* Enable the DMA transfer for transmit request by setting the DMAT bit
+{
-       in the UART CR3 register */
+  /* Check that a Rx process is not already ongoing */
-    SET_BIT(huart->Instance->CR3, USART_CR3_DMAT);
+  if (huart->RxState == HAL_UART_STATE_READY)
+  {
-    return HAL_OK;
+    if ((pData == NULL) || (Size == 0U))
-  }
+    {
-  else
+      return HAL_ERROR;
-  {
+    }
-    return HAL_BUSY;
-  }
+    /* Set Reception type to Standard reception */
-}
+    huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-/**
+    return (UART_Start_Receive_DMA(huart, pData, Size));
-  * @brief  Receives an amount of data in DMA mode.
+  }
-  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01),
+  else
-  *         the received data is handled as a set of u16. In this case, Size must indicate the number
+  {
-  *         of u16 available through pData.
+    return HAL_BUSY;
-  * @param  huart Pointer to a UART_HandleTypeDef structure that contains
+  }
-  *               the configuration information for the specified UART module.
+}
-  * @param  pData Pointer to data buffer (u8 or u16 data elements).
-  * @param  Size  Amount of data elements (u8 or u16) to be received.
+/**
-  * @note   When the UART parity is enabled (PCE = 1) the received data contains the parity bit.
+  * @brief Pauses the DMA Transfer.
-  * @retval HAL status
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  */
+  *                the configuration information for the specified UART module.
-HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
+  * @retval HAL status
-{
+  */
-  /* Check that a Rx process is not already ongoing */
+HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart)
-  if (huart->RxState == HAL_UART_STATE_READY)
+{
-  {
+  uint32_t dmarequest = 0x00U;
-    if ((pData == NULL) || (Size == 0U))
-    {
+  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT);
-      return HAL_ERROR;
+  if ((huart->gState == HAL_UART_STATE_BUSY_TX) && dmarequest)
-    }
+  {
+    /* Disable the UART DMA Tx request */
-    /* Process Locked */
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
-    __HAL_LOCK(huart);
+  }
-    /* Set Reception type to Standard reception */
+  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR);
-    huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+  if ((huart->RxState == HAL_UART_STATE_BUSY_RX) && dmarequest)
+  {
-    return(UART_Start_Receive_DMA(huart, pData, Size));
+    /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
-  }
+    ATOMIC_CLEAR_BIT(huart->Instance->CR1, USART_CR1_PEIE);
-  else
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
-  {
-    return HAL_BUSY;
+    /* Disable the UART DMA Rx request */
-  }
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
-}
+  }
-/**
+  return HAL_OK;
-  * @brief Pauses the DMA Transfer.
+}
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  *                the configuration information for the specified UART module.
+/**
-  * @retval HAL status
+  * @brief Resumes the DMA Transfer.
-  */
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart)
+  *                the configuration information for the specified UART module.
-{
+  * @retval HAL status
-  uint32_t dmarequest = 0x00U;
+  */
+HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart)
-  /* Process Locked */
+{
-  __HAL_LOCK(huart);
+  if (huart->gState == HAL_UART_STATE_BUSY_TX)
-  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT);
+  {
-  if ((huart->gState == HAL_UART_STATE_BUSY_TX) && dmarequest)
+    /* Enable the UART DMA Tx request */
-  {
+    ATOMIC_SET_BIT(huart->Instance->CR3, USART_CR3_DMAT);
-    /* Disable the UART DMA Tx request */
+  }
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
-  }
+  if (huart->RxState == HAL_UART_STATE_BUSY_RX)
+  {
-  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR);
+    /* Clear the Overrun flag before resuming the Rx transfer*/
-  if ((huart->RxState == HAL_UART_STATE_BUSY_RX) && dmarequest)
+    __HAL_UART_CLEAR_OREFLAG(huart);
-  {
-    /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
+    /* Re-enable PE and ERR (Frame error, noise error, overrun error) interrupts */
-    CLEAR_BIT(huart->Instance->CR1, USART_CR1_PEIE);
+    if (huart->Init.Parity != UART_PARITY_NONE)
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
+    {
+      ATOMIC_SET_BIT(huart->Instance->CR1, USART_CR1_PEIE);
-    /* Disable the UART DMA Rx request */
+    }
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
+    ATOMIC_SET_BIT(huart->Instance->CR3, USART_CR3_EIE);
-  }
+    /* Enable the UART DMA Rx request */
-  /* Process Unlocked */
+    ATOMIC_SET_BIT(huart->Instance->CR3, USART_CR3_DMAR);
-  __HAL_UNLOCK(huart);
+  }
   return HAL_OK;
 }
 /**
-  * @brief Resumes the DMA Transfer.
+  * @brief Stops the DMA Transfer.
   * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
   *                the configuration information for the specified UART module.
   * @retval HAL status
   */
-HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart)
+HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart)
 {
-  /* Process Locked */
+  uint32_t dmarequest = 0x00U;
-  __HAL_LOCK(huart);
+  /* The Lock is not implemented on this API to allow the user application
+     to call the HAL UART API under callbacks HAL_UART_TxCpltCallback() / HAL_UART_RxCpltCallback():
-  if (huart->gState == HAL_UART_STATE_BUSY_TX)
+     when calling HAL_DMA_Abort() API the DMA TX/RX Transfer complete interrupt is generated
-  {
+     and the correspond call back is executed HAL_UART_TxCpltCallback() / HAL_UART_RxCpltCallback()
-    /* Enable the UART DMA Tx request */
+     */
-    SET_BIT(huart->Instance->CR3, USART_CR3_DMAT);
-  }
+  /* Stop UART DMA Tx request if ongoing */
+  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT);
-  if (huart->RxState == HAL_UART_STATE_BUSY_RX)
+  if ((huart->gState == HAL_UART_STATE_BUSY_TX) && dmarequest)
   {
-    /* Clear the Overrun flag before resuming the Rx transfer*/
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
-    __HAL_UART_CLEAR_OREFLAG(huart);
+    /* Abort the UART DMA Tx channel */
-    /* Re-enable PE and ERR (Frame error, noise error, overrun error) interrupts */
+    if (huart->hdmatx != NULL)
-    SET_BIT(huart->Instance->CR1, USART_CR1_PEIE);
+    {
-    SET_BIT(huart->Instance->CR3, USART_CR3_EIE);
+      HAL_DMA_Abort(huart->hdmatx);
+    }
-    /* Enable the UART DMA Rx request */
+    UART_EndTxTransfer(huart);
-    SET_BIT(huart->Instance->CR3, USART_CR3_DMAR);
+  }
-  }
+  /* Stop UART DMA Rx request if ongoing */
-  /* Process Unlocked */
+  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR);
-  __HAL_UNLOCK(huart);
+  if ((huart->RxState == HAL_UART_STATE_BUSY_RX) && dmarequest)
+  {
-  return HAL_OK;
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
-}
+    /* Abort the UART DMA Rx channel */
-/**
+    if (huart->hdmarx != NULL)
-  * @brief Stops the DMA Transfer.
+    {
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+      HAL_DMA_Abort(huart->hdmarx);
-  *                the configuration information for the specified UART module.
+    }
-  * @retval HAL status
+    UART_EndRxTransfer(huart);
-  */
+  }
-HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart)
-{
+  return HAL_OK;
-  uint32_t dmarequest = 0x00U;
+}
-  /* The Lock is not implemented on this API to allow the user application
-     to call the HAL UART API under callbacks HAL_UART_TxCpltCallback() / HAL_UART_RxCpltCallback():
+/**
-     when calling HAL_DMA_Abort() API the DMA TX/RX Transfer complete interrupt is generated
+  * @brief Receive an amount of data in blocking mode till either the expected number of data is received or an IDLE event occurs.
-     and the correspond call back is executed HAL_UART_TxCpltCallback() / HAL_UART_RxCpltCallback()
+  * @note   HAL_OK is returned if reception is completed (expected number of data has been received)
-     */
+  *         or if reception is stopped after IDLE event (less than the expected number of data has been received)
+  *         In this case, RxLen output parameter indicates number of data available in reception buffer.
-  /* Stop UART DMA Tx request if ongoing */
+  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M = 01),
-  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT);
+  *         the received data is handled as a set of uint16_t. In this case, Size must indicate the number
-  if ((huart->gState == HAL_UART_STATE_BUSY_TX) && dmarequest)
+  *         of uint16_t available through pData.
-  {
+  * @param huart   UART handle.
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
+  * @param pData   Pointer to data buffer (uint8_t or uint16_t data elements).
+  * @param Size    Amount of data elements (uint8_t or uint16_t) to be received.
-    /* Abort the UART DMA Tx channel */
+  * @param RxLen   Number of data elements finally received (could be lower than Size, in case reception ends on IDLE event)
-    if (huart->hdmatx != NULL)
+  * @param Timeout Timeout duration expressed in ms (covers the whole reception sequence).
-    {
+  * @retval HAL status
-      HAL_DMA_Abort(huart->hdmatx);
+  */
-    }
+HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint16_t *RxLen,
-    UART_EndTxTransfer(huart);
+                                           uint32_t Timeout)
-  }
+{
+  uint8_t  *pdata8bits;
-  /* Stop UART DMA Rx request if ongoing */
+  uint16_t *pdata16bits;
-  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR);
+  uint32_t tickstart;
-  if ((huart->RxState == HAL_UART_STATE_BUSY_RX) && dmarequest)
-  {
+  /* Check that a Rx process is not already ongoing */
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
+  if (huart->RxState == HAL_UART_STATE_READY)
+  {
-    /* Abort the UART DMA Rx channel */
+    if ((pData == NULL) || (Size == 0U))
-    if (huart->hdmarx != NULL)
+    {
-    {
+      return  HAL_ERROR;
-      HAL_DMA_Abort(huart->hdmarx);
+    }
-    }
-    UART_EndRxTransfer(huart);
+    huart->ErrorCode = HAL_UART_ERROR_NONE;
-  }
+    huart->RxState = HAL_UART_STATE_BUSY_RX;
+    huart->ReceptionType = HAL_UART_RECEPTION_TOIDLE;
-  return HAL_OK;
+    huart->RxEventType = HAL_UART_RXEVENT_TC;
-}
+    /* Init tickstart for timeout management */
-/**
+    tickstart = HAL_GetTick();
-  * @brief Receive an amount of data in blocking mode till either the expected number of data is received or an IDLE event occurs.
-  * @note   HAL_OK is returned if reception is completed (expected number of data has been received)
+    huart->RxXferSize  = Size;
-  *         or if reception is stopped after IDLE event (less than the expected number of data has been received)
+    huart->RxXferCount = Size;
-  *         In this case, RxLen output parameter indicates number of data available in reception buffer.
-  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M = 01),
+    /* In case of 9bits/No Parity transfer, pRxData needs to be handled as a uint16_t pointer */
-  *         the received data is handled as a set of uint16_t. In this case, Size must indicate the number
+    if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE))
-  *         of uint16_t available through pData.
+    {
-  * @param huart   UART handle.
+      pdata8bits  = NULL;
-  * @param pData   Pointer to data buffer (uint8_t or uint16_t data elements).
+      pdata16bits = (uint16_t *) pData;
-  * @param Size    Amount of data elements (uint8_t or uint16_t) to be received.
+    }
-  * @param RxLen   Number of data elements finally received (could be lower than Size, in case reception ends on IDLE event)
+    else
-  * @param Timeout Timeout duration expressed in ms (covers the whole reception sequence).
+    {
-  * @retval HAL status
+      pdata8bits  = pData;
-  */
+      pdata16bits = NULL;
-HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint16_t *RxLen, uint32_t Timeout)
+    }
-{
-  uint8_t  *pdata8bits;
+    /* Initialize output number of received elements */
-  uint16_t *pdata16bits;
+    *RxLen = 0U;
-  uint32_t tickstart;
+    /* as long as data have to be received */
-  /* Check that a Rx process is not already ongoing */
+    while (huart->RxXferCount > 0U)
-  if (huart->RxState == HAL_UART_STATE_READY)
+    {
-  {
+      /* Check if IDLE flag is set */
-    if ((pData == NULL) || (Size == 0U))
+      if (__HAL_UART_GET_FLAG(huart, UART_FLAG_IDLE))
-    {
+      {
-      return  HAL_ERROR;
+        /* Clear IDLE flag in ISR */
-    }
+        __HAL_UART_CLEAR_IDLEFLAG(huart);
-    __HAL_LOCK(huart);
+        /* If Set, but no data ever received, clear flag without exiting loop */
+        /* If Set, and data has already been received, this means Idle Event is valid : End reception */
-    huart->ErrorCode = HAL_UART_ERROR_NONE;
+        if (*RxLen > 0U)
-    huart->RxState = HAL_UART_STATE_BUSY_RX;
+        {
-    huart->ReceptionType = HAL_UART_RECEPTION_TOIDLE;
+          huart->RxEventType = HAL_UART_RXEVENT_IDLE;
+          huart->RxState = HAL_UART_STATE_READY;
-    /* Init tickstart for timeout management */
-    tickstart = HAL_GetTick();
+          return HAL_OK;
+        }
-    huart->RxXferSize  = Size;
+      }
-    huart->RxXferCount = Size;
+      /* Check if RXNE flag is set */
-    /* In case of 9bits/No Parity transfer, pRxData needs to be handled as a uint16_t pointer */
+      if (__HAL_UART_GET_FLAG(huart, UART_FLAG_RXNE))
-    if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE))
+      {
-    {
+        if (pdata8bits == NULL)
-      pdata8bits  = NULL;
+        {
-      pdata16bits = (uint16_t *) pData;
+          *pdata16bits = (uint16_t)(huart->Instance->DR & (uint16_t)0x01FF);
-    }
+          pdata16bits++;
-    else
+        }
-    {
+        else
-      pdata8bits  = pData;
+        {
-      pdata16bits = NULL;
+          if ((huart->Init.WordLength == UART_WORDLENGTH_9B) || ((huart->Init.WordLength == UART_WORDLENGTH_8B) && (huart->Init.Parity == UART_PARITY_NONE)))
-    }
+          {
+            *pdata8bits = (uint8_t)(huart->Instance->DR & (uint8_t)0x00FF);
-    __HAL_UNLOCK(huart);
+          }
+          else
-    /* Initialize output number of received elements */
+          {
-    *RxLen = 0U;
+            *pdata8bits = (uint8_t)(huart->Instance->DR & (uint8_t)0x007F);
+          }
-    /* as long as data have to be received */
-    while (huart->RxXferCount > 0U)
+          pdata8bits++;
-    {
+        }
-      /* Check if IDLE flag is set */
+        /* Increment number of received elements */
-      if (__HAL_UART_GET_FLAG(huart, UART_FLAG_IDLE))
+        *RxLen += 1U;
-      {
+        huart->RxXferCount--;
-        /* Clear IDLE flag in ISR */
+      }
-        __HAL_UART_CLEAR_IDLEFLAG(huart);
+      /* Check for the Timeout */
-        /* If Set, but no data ever received, clear flag without exiting loop */
+      if (Timeout != HAL_MAX_DELAY)
-        /* If Set, and data has already been received, this means Idle Event is valid : End reception */
+      {
-        if (*RxLen > 0U)
+        if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
         {
           huart->RxState = HAL_UART_STATE_READY;
-          return HAL_OK;
+          return HAL_TIMEOUT;
         }
       }
+    }
-      /* Check if RXNE flag is set */
-      if (__HAL_UART_GET_FLAG(huart, UART_FLAG_RXNE))
+    /* Set number of received elements in output parameter : RxLen */
-      {
+    *RxLen = huart->RxXferSize - huart->RxXferCount;
-        if (pdata8bits == NULL)
+    /* At end of Rx process, restore huart->RxState to Ready */
-        {
+    huart->RxState = HAL_UART_STATE_READY;
-          *pdata16bits = (uint16_t)(huart->Instance->DR & (uint16_t)0x01FF);
-          pdata16bits++;
+    return HAL_OK;
-        }
+  }
-        else
+  else
-        {
+  {
-           if ((huart->Init.WordLength == UART_WORDLENGTH_9B) || ((huart->Init.WordLength == UART_WORDLENGTH_8B) && (huart->Init.Parity == UART_PARITY_NONE)))
+    return HAL_BUSY;
-           {
+  }
-             *pdata8bits = (uint8_t)(huart->Instance->DR & (uint8_t)0x00FF);
+}
-           }
-           else
+/**
-           {
+  * @brief Receive an amount of data in interrupt mode till either the expected number of data is received or an IDLE event occurs.
-             *pdata8bits = (uint8_t)(huart->Instance->DR & (uint8_t)0x007F);
+  * @note   Reception is initiated by this function call. Further progress of reception is achieved thanks
-           }
+  *         to UART interrupts raised by RXNE and IDLE events. Callback is called at end of reception indicating
+  *         number of received data elements.
-          pdata8bits++;
+  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M = 01),
-        }
+  *         the received data is handled as a set of uint16_t. In this case, Size must indicate the number
-        /* Increment number of received elements */
+  *         of uint16_t available through pData.
-        *RxLen += 1U;
+  * @param huart UART handle.
-        huart->RxXferCount--;
+  * @param pData Pointer to data buffer (uint8_t or uint16_t data elements).
-      }
+  * @param Size  Amount of data elements (uint8_t or uint16_t) to be received.
+  * @retval HAL status
-      /* Check for the Timeout */
+  */
-      if (Timeout != HAL_MAX_DELAY)
+HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
-      {
+{
-        if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
+  HAL_StatusTypeDef status;
-        {
-          huart->RxState = HAL_UART_STATE_READY;
+  /* Check that a Rx process is not already ongoing */
+  if (huart->RxState == HAL_UART_STATE_READY)
-          return HAL_TIMEOUT;
+  {
-        }
+    if ((pData == NULL) || (Size == 0U))
-      }
+    {
-    }
+      return HAL_ERROR;
+    }
-    /* Set number of received elements in output parameter : RxLen */
-    *RxLen = huart->RxXferSize - huart->RxXferCount;
+    /* Set Reception type to reception till IDLE Event*/
-    /* At end of Rx process, restore huart->RxState to Ready */
+    huart->ReceptionType = HAL_UART_RECEPTION_TOIDLE;
-    huart->RxState = HAL_UART_STATE_READY;
+    huart->RxEventType = HAL_UART_RXEVENT_TC;
-    return HAL_OK;
+    status =  UART_Start_Receive_IT(huart, pData, Size);
-  }
-  else
+    /* Check Rx process has been successfully started */
-  {
+    if (status == HAL_OK)
-    return HAL_BUSY;
+    {
-  }
+      if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-}
+      {
+        __HAL_UART_CLEAR_IDLEFLAG(huart);
-/**
+        ATOMIC_SET_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
-  * @brief Receive an amount of data in interrupt mode till either the expected number of data is received or an IDLE event occurs.
+      }
-  * @note   Reception is initiated by this function call. Further progress of reception is achieved thanks
+      else
-  *         to UART interrupts raised by RXNE and IDLE events. Callback is called at end of reception indicating
+      {
-  *         number of received data elements.
+        /* In case of errors already pending when reception is started,
-  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M = 01),
+           Interrupts may have already been raised and lead to reception abortion.
-  *         the received data is handled as a set of uint16_t. In this case, Size must indicate the number
+           (Overrun error for instance).
-  *         of uint16_t available through pData.
+           In such case Reception Type has been reset to HAL_UART_RECEPTION_STANDARD. */
-  * @param huart UART handle.
+        status = HAL_ERROR;
-  * @param pData Pointer to data buffer (uint8_t or uint16_t data elements).
+      }
-  * @param Size  Amount of data elements (uint8_t or uint16_t) to be received.
+    }
-  * @retval HAL status
-  */
+    return status;
-HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
+  }
-{
+  else
-  HAL_StatusTypeDef status;
+  {
+    return HAL_BUSY;
-  /* Check that a Rx process is not already ongoing */
+  }
-  if (huart->RxState == HAL_UART_STATE_READY)
+}
-  {
-    if ((pData == NULL) || (Size == 0U))
+/**
-    {
+  * @brief Receive an amount of data in DMA mode till either the expected number of data is received or an IDLE event occurs.
-      return HAL_ERROR;
+  * @note   Reception is initiated by this function call. Further progress of reception is achieved thanks
-    }
+  *         to DMA services, transferring automatically received data elements in user reception buffer and
+  *         calling registered callbacks at half/end of reception. UART IDLE events are also used to consider
-    __HAL_LOCK(huart);
+  *         reception phase as ended. In all cases, callback execution will indicate number of received data elements.
+  * @note   When the UART parity is enabled (PCE = 1), the received data contain
-    /* Set Reception type to reception till IDLE Event*/
+  *         the parity bit (MSB position).
-    huart->ReceptionType = HAL_UART_RECEPTION_TOIDLE;
+  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M = 01),
+  *         the received data is handled as a set of uint16_t. In this case, Size must indicate the number
-    status =  UART_Start_Receive_IT(huart, pData, Size);
+  *         of uint16_t available through pData.
+  * @param huart UART handle.
-    /* Check Rx process has been successfully started */
+  * @param pData Pointer to data buffer (uint8_t or uint16_t data elements).
-    if (status == HAL_OK)
+  * @param Size  Amount of data elements (uint8_t or uint16_t) to be received.
-    {
+  * @retval HAL status
-      if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
+  */
-      {
+HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
-        __HAL_UART_CLEAR_IDLEFLAG(huart);
+{
-        SET_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
+  HAL_StatusTypeDef status;
-      }
-      else
+  /* Check that a Rx process is not already ongoing */
-      {
+  if (huart->RxState == HAL_UART_STATE_READY)
-        /* In case of errors already pending when reception is started,
+  {
-           Interrupts may have already been raised and lead to reception abortion.
+    if ((pData == NULL) || (Size == 0U))
-           (Overrun error for instance).
+    {
-           In such case Reception Type has been reset to HAL_UART_RECEPTION_STANDARD. */
+      return HAL_ERROR;
-        status = HAL_ERROR;
+    }
-      }
-    }
+    /* Set Reception type to reception till IDLE Event*/
+    huart->ReceptionType = HAL_UART_RECEPTION_TOIDLE;
-    return status;
+    huart->RxEventType = HAL_UART_RXEVENT_TC;
-  }
-  else
+    status =  UART_Start_Receive_DMA(huart, pData, Size);
-  {
-    return HAL_BUSY;
+    /* Check Rx process has been successfully started */
-  }
+    if (status == HAL_OK)
-}
+    {
+      if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-/**
+      {
-  * @brief Receive an amount of data in DMA mode till either the expected number of data is received or an IDLE event occurs.
+        __HAL_UART_CLEAR_IDLEFLAG(huart);
-  * @note   Reception is initiated by this function call. Further progress of reception is achieved thanks
+        ATOMIC_SET_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
-  *         to DMA services, transferring automatically received data elements in user reception buffer and
+      }
-  *         calling registered callbacks at half/end of reception. UART IDLE events are also used to consider
+      else
-  *         reception phase as ended. In all cases, callback execution will indicate number of received data elements.
+      {
-  * @note   When the UART parity is enabled (PCE = 1), the received data contain
+        /* In case of errors already pending when reception is started,
-  *         the parity bit (MSB position).
+           Interrupts may have already been raised and lead to reception abortion.
-  * @note   When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M = 01),
+           (Overrun error for instance).
-  *         the received data is handled as a set of uint16_t. In this case, Size must indicate the number
+           In such case Reception Type has been reset to HAL_UART_RECEPTION_STANDARD. */
-  *         of uint16_t available through pData.
+        status = HAL_ERROR;
-  * @param huart UART handle.
+      }
-  * @param pData Pointer to data buffer (uint8_t or uint16_t data elements).
+    }
-  * @param Size  Amount of data elements (uint8_t or uint16_t) to be received.
-  * @retval HAL status
+    return status;
-  */
+  }
-HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
+  else
-{
+  {
-  HAL_StatusTypeDef status;
+    return HAL_BUSY;
+  }
-  /* Check that a Rx process is not already ongoing */
+}
-  if (huart->RxState == HAL_UART_STATE_READY)
-  {
+/**
-    if ((pData == NULL) || (Size == 0U))
+  * @brief Provide Rx Event type that has lead to RxEvent callback execution.
-    {
+  * @note  When HAL_UARTEx_ReceiveToIdle_IT() or HAL_UARTEx_ReceiveToIdle_DMA() API are called, progress
-      return HAL_ERROR;
+  *        of reception process is provided to application through calls of Rx Event callback (either default one
-    }
+  *        HAL_UARTEx_RxEventCallback() or user registered one). As several types of events could occur (IDLE event,
+  *        Half Transfer, or Transfer Complete), this function allows to retrieve the Rx Event type that has lead
-    __HAL_LOCK(huart);
+  *        to Rx Event callback execution.
+  * @note  This function is expected to be called within the user implementation of Rx Event Callback,
-    /* Set Reception type to reception till IDLE Event*/
+  *        in order to provide the accurate value :
-    huart->ReceptionType = HAL_UART_RECEPTION_TOIDLE;
+  *        In Interrupt Mode :
+  *           - HAL_UART_RXEVENT_TC : when Reception has been completed (expected nb of data has been received)
-    status =  UART_Start_Receive_DMA(huart, pData, Size);
+  *           - HAL_UART_RXEVENT_IDLE : when Idle event occurred prior reception has been completed (nb of
+  *             received data is lower than expected one)
-    /* Check Rx process has been successfully started */
+  *        In DMA Mode :
-    if (status == HAL_OK)
+  *           - HAL_UART_RXEVENT_TC : when Reception has been completed (expected nb of data has been received)
-    {
+  *           - HAL_UART_RXEVENT_HT : when half of expected nb of data has been received
-      if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
+  *           - HAL_UART_RXEVENT_IDLE : when Idle event occurred prior reception has been completed (nb of
-      {
+  *             received data is lower than expected one).
-        __HAL_UART_CLEAR_IDLEFLAG(huart);
+  *        In DMA mode, RxEvent callback could be called several times;
-        SET_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
+  *        When DMA is configured in Normal Mode, HT event does not stop Reception process;
-      }
+  *        When DMA is configured in Circular Mode, HT, TC or IDLE events don't stop Reception process;
-      else
+  * @param  huart UART handle.
-      {
+  * @retval Rx Event Type (returned value will be a value of @ref UART_RxEvent_Type_Values)
-        /* In case of errors already pending when reception is started,
+  */
-           Interrupts may have already been raised and lead to reception abortion.
+HAL_UART_RxEventTypeTypeDef HAL_UARTEx_GetRxEventType(UART_HandleTypeDef *huart)
-           (Overrun error for instance).
+{
-           In such case Reception Type has been reset to HAL_UART_RECEPTION_STANDARD. */
+  /* Return Rx Event type value, as stored in UART handle */
-        status = HAL_ERROR;
+  return(huart->RxEventType);
-      }
+}
-    }
+/**
-    return status;
+  * @brief  Abort ongoing transfers (blocking mode).
-  }
+  * @param  huart UART handle.
-  else
+  * @note   This procedure could be used for aborting any ongoing transfer started in Interrupt or DMA mode.
-  {
+  *         This procedure performs following operations :
-    return HAL_BUSY;
+  *           - Disable UART Interrupts (Tx and Rx)
-  }
+  *           - Disable the DMA transfer in the peripheral register (if enabled)
-}
+  *           - Abort DMA transfer by calling HAL_DMA_Abort (in case of transfer in DMA mode)
+  *           - Set handle State to READY
-/**
+  * @note   This procedure is executed in blocking mode : when exiting function, Abort is considered as completed.
-  * @brief  Abort ongoing transfers (blocking mode).
+  * @retval HAL status
-  * @param  huart UART handle.
+  */
-  * @note   This procedure could be used for aborting any ongoing transfer started in Interrupt or DMA mode.
+HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart)
-  *         This procedure performs following operations :
+{
-  *           - Disable UART Interrupts (Tx and Rx)
+  /* Disable TXEIE, TCIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
-  *           - Disable the DMA transfer in the peripheral register (if enabled)
+  ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE));
-  *           - Abort DMA transfer by calling HAL_DMA_Abort (in case of transfer in DMA mode)
+  ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
-  *           - Set handle State to READY
-  * @note   This procedure is executed in blocking mode : when exiting function, Abort is considered as completed.
+  /* If Reception till IDLE event was ongoing, disable IDLEIE interrupt */
-  * @retval HAL status
+  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-*/
+  {
-HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart)
+    ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_IDLEIE));
-{
+  }
-  /* Disable TXEIE, TCIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
-  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE));
+  /* Disable the UART DMA Tx request if enabled */
-  CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
+  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
+  {
-  /* If Reception till IDLE event was ongoing, disable IDLEIE interrupt */
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
-  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-  {
+    /* Abort the UART DMA Tx channel: use blocking DMA Abort API (no callback) */
-    CLEAR_BIT(huart->Instance->CR1, (USART_CR1_IDLEIE));
+    if (huart->hdmatx != NULL)
-  }
+    {
+      /* Set the UART DMA Abort callback to Null.
-  /* Disable the UART DMA Tx request if enabled */
+         No call back execution at end of DMA abort procedure */
-  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
+      huart->hdmatx->XferAbortCallback = NULL;
-  {
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
+      if (HAL_DMA_Abort(huart->hdmatx) != HAL_OK)
+      {
-    /* Abort the UART DMA Tx channel: use blocking DMA Abort API (no callback) */
+        if (HAL_DMA_GetError(huart->hdmatx) == HAL_DMA_ERROR_TIMEOUT)
-    if (huart->hdmatx != NULL)
+        {
-    {
+          /* Set error code to DMA */
-      /* Set the UART DMA Abort callback to Null.
+          huart->ErrorCode = HAL_UART_ERROR_DMA;
-         No call back execution at end of DMA abort procedure */
-      huart->hdmatx->XferAbortCallback = NULL;
+          return HAL_TIMEOUT;
+        }
-      if (HAL_DMA_Abort(huart->hdmatx) != HAL_OK)
+      }
-      {
+    }
-        if (HAL_DMA_GetError(huart->hdmatx) == HAL_DMA_ERROR_TIMEOUT)
+  }
-        {
-          /* Set error code to DMA */
+  /* Disable the UART DMA Rx request if enabled */
-          huart->ErrorCode = HAL_UART_ERROR_DMA;
+  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
+  {
-          return HAL_TIMEOUT;
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
-        }
-      }
+    /* Abort the UART DMA Rx channel: use blocking DMA Abort API (no callback) */
-    }
+    if (huart->hdmarx != NULL)
-  }
+    {
+      /* Set the UART DMA Abort callback to Null.
-  /* Disable the UART DMA Rx request if enabled */
+         No call back execution at end of DMA abort procedure */
-  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
+      huart->hdmarx->XferAbortCallback = NULL;
-  {
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
+      if (HAL_DMA_Abort(huart->hdmarx) != HAL_OK)
+      {
-    /* Abort the UART DMA Rx channel: use blocking DMA Abort API (no callback) */
+        if (HAL_DMA_GetError(huart->hdmarx) == HAL_DMA_ERROR_TIMEOUT)
-    if (huart->hdmarx != NULL)
+        {
-    {
+          /* Set error code to DMA */
-      /* Set the UART DMA Abort callback to Null.
+          huart->ErrorCode = HAL_UART_ERROR_DMA;
-         No call back execution at end of DMA abort procedure */
-      huart->hdmarx->XferAbortCallback = NULL;
+          return HAL_TIMEOUT;
+        }
-      if (HAL_DMA_Abort(huart->hdmarx) != HAL_OK)
+      }
-      {
+    }
-        if (HAL_DMA_GetError(huart->hdmarx) == HAL_DMA_ERROR_TIMEOUT)
+  }
-        {
-          /* Set error code to DMA */
+  /* Reset Tx and Rx transfer counters */
-          huart->ErrorCode = HAL_UART_ERROR_DMA;
+  huart->TxXferCount = 0x00U;
+  huart->RxXferCount = 0x00U;
-          return HAL_TIMEOUT;
-        }
+  /* Reset ErrorCode */
-      }
+  huart->ErrorCode = HAL_UART_ERROR_NONE;
-    }
-  }
+  /* Restore huart->RxState and huart->gState to Ready */
+  huart->RxState = HAL_UART_STATE_READY;
-  /* Reset Tx and Rx transfer counters */
+  huart->gState = HAL_UART_STATE_READY;
-  huart->TxXferCount = 0x00U;
+  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-  huart->RxXferCount = 0x00U;
+  return HAL_OK;
-  /* Reset ErrorCode */
+}
-  huart->ErrorCode = HAL_UART_ERROR_NONE;
+/**
-  /* Restore huart->RxState and huart->gState to Ready */
+  * @brief  Abort ongoing Transmit transfer (blocking mode).
-  huart->RxState = HAL_UART_STATE_READY;
+  * @param  huart UART handle.
-  huart->gState = HAL_UART_STATE_READY;
+  * @note   This procedure could be used for aborting any ongoing Tx transfer started in Interrupt or DMA mode.
-  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+  *         This procedure performs following operations :
+  *           - Disable UART Interrupts (Tx)
-  return HAL_OK;
+  *           - Disable the DMA transfer in the peripheral register (if enabled)
-}
+  *           - Abort DMA transfer by calling HAL_DMA_Abort (in case of transfer in DMA mode)
+  *           - Set handle State to READY
-/**
+  * @note   This procedure is executed in blocking mode : when exiting function, Abort is considered as completed.
-  * @brief  Abort ongoing Transmit transfer (blocking mode).
+  * @retval HAL status
-  * @param  huart UART handle.
+  */
-  * @note   This procedure could be used for aborting any ongoing Tx transfer started in Interrupt or DMA mode.
+HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart)
-  *         This procedure performs following operations :
+{
-  *           - Disable UART Interrupts (Tx)
+  /* Disable TXEIE and TCIE interrupts */
-  *           - Disable the DMA transfer in the peripheral register (if enabled)
+  ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
-  *           - Abort DMA transfer by calling HAL_DMA_Abort (in case of transfer in DMA mode)
-  *           - Set handle State to READY
+  /* Disable the UART DMA Tx request if enabled */
-  * @note   This procedure is executed in blocking mode : when exiting function, Abort is considered as completed.
+  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
-  * @retval HAL status
+  {
-*/
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
-HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart)
-{
+    /* Abort the UART DMA Tx channel : use blocking DMA Abort API (no callback) */
-  /* Disable TXEIE and TCIE interrupts */
+    if (huart->hdmatx != NULL)
-  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
+    {
+      /* Set the UART DMA Abort callback to Null.
-  /* Disable the UART DMA Tx request if enabled */
+         No call back execution at end of DMA abort procedure */
-  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
+      huart->hdmatx->XferAbortCallback = NULL;
-  {
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
+      if (HAL_DMA_Abort(huart->hdmatx) != HAL_OK)
+      {
-    /* Abort the UART DMA Tx channel : use blocking DMA Abort API (no callback) */
+        if (HAL_DMA_GetError(huart->hdmatx) == HAL_DMA_ERROR_TIMEOUT)
-    if (huart->hdmatx != NULL)
+        {
-    {
+          /* Set error code to DMA */
-      /* Set the UART DMA Abort callback to Null.
+          huart->ErrorCode = HAL_UART_ERROR_DMA;
-         No call back execution at end of DMA abort procedure */
-      huart->hdmatx->XferAbortCallback = NULL;
+          return HAL_TIMEOUT;
+        }
-      if (HAL_DMA_Abort(huart->hdmatx) != HAL_OK)
+      }
-      {
+    }
-        if (HAL_DMA_GetError(huart->hdmatx) == HAL_DMA_ERROR_TIMEOUT)
+  }
-        {
-          /* Set error code to DMA */
+  /* Reset Tx transfer counter */
-          huart->ErrorCode = HAL_UART_ERROR_DMA;
+  huart->TxXferCount = 0x00U;
-          return HAL_TIMEOUT;
+  /* Restore huart->gState to Ready */
-        }
+  huart->gState = HAL_UART_STATE_READY;
-      }
-    }
+  return HAL_OK;
-  }
+}
-  /* Reset Tx transfer counter */
+/**
-  huart->TxXferCount = 0x00U;
+  * @brief  Abort ongoing Receive transfer (blocking mode).
+  * @param  huart UART handle.
-  /* Restore huart->gState to Ready */
+  * @note   This procedure could be used for aborting any ongoing Rx transfer started in Interrupt or DMA mode.
-  huart->gState = HAL_UART_STATE_READY;
+  *         This procedure performs following operations :
+  *           - Disable UART Interrupts (Rx)
-  return HAL_OK;
+  *           - Disable the DMA transfer in the peripheral register (if enabled)
-}
+  *           - Abort DMA transfer by calling HAL_DMA_Abort (in case of transfer in DMA mode)
+  *           - Set handle State to READY
-/**
+  * @note   This procedure is executed in blocking mode : when exiting function, Abort is considered as completed.
-  * @brief  Abort ongoing Receive transfer (blocking mode).
+  * @retval HAL status
-  * @param  huart UART handle.
+  */
-  * @note   This procedure could be used for aborting any ongoing Rx transfer started in Interrupt or DMA mode.
+HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart)
-  *         This procedure performs following operations :
+{
-  *           - Disable UART Interrupts (Rx)
+  /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
-  *           - Disable the DMA transfer in the peripheral register (if enabled)
+  ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
-  *           - Abort DMA transfer by calling HAL_DMA_Abort (in case of transfer in DMA mode)
+  ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
-  *           - Set handle State to READY
-  * @note   This procedure is executed in blocking mode : when exiting function, Abort is considered as completed.
+  /* If Reception till IDLE event was ongoing, disable IDLEIE interrupt */
-  * @retval HAL status
+  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-*/
+  {
-HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart)
+    ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_IDLEIE));
-{
+  }
-  /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
-  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
+  /* Disable the UART DMA Rx request if enabled */
-  CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
+  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
+  {
-  /* If Reception till IDLE event was ongoing, disable IDLEIE interrupt */
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
-  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-  {
+    /* Abort the UART DMA Rx channel : use blocking DMA Abort API (no callback) */
-    CLEAR_BIT(huart->Instance->CR1, (USART_CR1_IDLEIE));
+    if (huart->hdmarx != NULL)
-  }
+    {
+      /* Set the UART DMA Abort callback to Null.
-  /* Disable the UART DMA Rx request if enabled */
+         No call back execution at end of DMA abort procedure */
-  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
+      huart->hdmarx->XferAbortCallback = NULL;
-  {
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
+      if (HAL_DMA_Abort(huart->hdmarx) != HAL_OK)
+      {
-    /* Abort the UART DMA Rx channel : use blocking DMA Abort API (no callback) */
+        if (HAL_DMA_GetError(huart->hdmarx) == HAL_DMA_ERROR_TIMEOUT)
-    if (huart->hdmarx != NULL)
+        {
-    {
+          /* Set error code to DMA */
-      /* Set the UART DMA Abort callback to Null.
+          huart->ErrorCode = HAL_UART_ERROR_DMA;
-         No call back execution at end of DMA abort procedure */
-      huart->hdmarx->XferAbortCallback = NULL;
+          return HAL_TIMEOUT;
+        }
-      if (HAL_DMA_Abort(huart->hdmarx) != HAL_OK)
+      }
-      {
+    }
-        if (HAL_DMA_GetError(huart->hdmarx) == HAL_DMA_ERROR_TIMEOUT)
+  }
-        {
-          /* Set error code to DMA */
+  /* Reset Rx transfer counter */
-          huart->ErrorCode = HAL_UART_ERROR_DMA;
+  huart->RxXferCount = 0x00U;
-          return HAL_TIMEOUT;
+  /* Restore huart->RxState to Ready */
-        }
+  huart->RxState = HAL_UART_STATE_READY;
-      }
+  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-    }
-  }
+  return HAL_OK;
+}
-  /* Reset Rx transfer counter */
-  huart->RxXferCount = 0x00U;
+/**
+  * @brief  Abort ongoing transfers (Interrupt mode).
-  /* Restore huart->RxState to Ready */
+  * @param  huart UART handle.
-  huart->RxState = HAL_UART_STATE_READY;
+  * @note   This procedure could be used for aborting any ongoing transfer started in Interrupt or DMA mode.
-  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+  *         This procedure performs following operations :
+  *           - Disable UART Interrupts (Tx and Rx)
-  return HAL_OK;
+  *           - Disable the DMA transfer in the peripheral register (if enabled)
-}
+  *           - Abort DMA transfer by calling HAL_DMA_Abort_IT (in case of transfer in DMA mode)
+  *           - Set handle State to READY
-/**
+  *           - At abort completion, call user abort complete callback
-  * @brief  Abort ongoing transfers (Interrupt mode).
+  * @note   This procedure is executed in Interrupt mode, meaning that abort procedure could be
-  * @param  huart UART handle.
+  *         considered as completed only when user abort complete callback is executed (not when exiting function).
-  * @note   This procedure could be used for aborting any ongoing transfer started in Interrupt or DMA mode.
+  * @retval HAL status
-  *         This procedure performs following operations :
+  */
-  *           - Disable UART Interrupts (Tx and Rx)
+HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart)
-  *           - Disable the DMA transfer in the peripheral register (if enabled)
+{
-  *           - Abort DMA transfer by calling HAL_DMA_Abort_IT (in case of transfer in DMA mode)
+  uint32_t AbortCplt = 0x01U;
-  *           - Set handle State to READY
-  *           - At abort completion, call user abort complete callback
+  /* Disable TXEIE, TCIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
-  * @note   This procedure is executed in Interrupt mode, meaning that abort procedure could be
+  ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE));
-  *         considered as completed only when user abort complete callback is executed (not when exiting function).
+  ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
-  * @retval HAL status
-*/
+  /* If Reception till IDLE event was ongoing, disable IDLEIE interrupt */
-HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart)
+  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-{
+  {
-  uint32_t AbortCplt = 0x01U;
+    ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_IDLEIE));
+  }
-  /* Disable TXEIE, TCIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
-  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE));
+  /* If DMA Tx and/or DMA Rx Handles are associated to UART Handle, DMA Abort complete callbacks should be initialised
-  CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
+     before any call to DMA Abort functions */
+  /* DMA Tx Handle is valid */
-  /* If Reception till IDLE event was ongoing, disable IDLEIE interrupt */
+  if (huart->hdmatx != NULL)
-  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
+  {
-  {
+    /* Set DMA Abort Complete callback if UART DMA Tx request if enabled.
-    CLEAR_BIT(huart->Instance->CR1, (USART_CR1_IDLEIE));
+       Otherwise, set it to NULL */
-  }
+    if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
+    {
-  /* If DMA Tx and/or DMA Rx Handles are associated to UART Handle, DMA Abort complete callbacks should be initialised
+      huart->hdmatx->XferAbortCallback = UART_DMATxAbortCallback;
-     before any call to DMA Abort functions */
+    }
-  /* DMA Tx Handle is valid */
+    else
-  if (huart->hdmatx != NULL)
+    {
-  {
+      huart->hdmatx->XferAbortCallback = NULL;
-    /* Set DMA Abort Complete callback if UART DMA Tx request if enabled.
+    }
-       Otherwise, set it to NULL */
+  }
-    if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
+  /* DMA Rx Handle is valid */
-    {
+  if (huart->hdmarx != NULL)
-      huart->hdmatx->XferAbortCallback = UART_DMATxAbortCallback;
+  {
-    }
+    /* Set DMA Abort Complete callback if UART DMA Rx request if enabled.
-    else
+       Otherwise, set it to NULL */
-    {
+    if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
-      huart->hdmatx->XferAbortCallback = NULL;
+    {
-    }
+      huart->hdmarx->XferAbortCallback = UART_DMARxAbortCallback;
-  }
+    }
-  /* DMA Rx Handle is valid */
+    else
-  if (huart->hdmarx != NULL)
+    {
-  {
+      huart->hdmarx->XferAbortCallback = NULL;
-    /* Set DMA Abort Complete callback if UART DMA Rx request if enabled.
+    }
-       Otherwise, set it to NULL */
+  }
-    if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
-    {
+  /* Disable the UART DMA Tx request if enabled */
-      huart->hdmarx->XferAbortCallback = UART_DMARxAbortCallback;
+  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
-    }
+  {
-    else
+    /* Disable DMA Tx at UART level */
-    {
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
-      huart->hdmarx->XferAbortCallback = NULL;
-    }
+    /* Abort the UART DMA Tx channel : use non blocking DMA Abort API (callback) */
-  }
+    if (huart->hdmatx != NULL)
+    {
-  /* Disable the UART DMA Tx request if enabled */
+      /* UART Tx DMA Abort callback has already been initialised :
-  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
+         will lead to call HAL_UART_AbortCpltCallback() at end of DMA abort procedure */
-  {
-    /* Disable DMA Tx at UART level */
+      /* Abort DMA TX */
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
+      if (HAL_DMA_Abort_IT(huart->hdmatx) != HAL_OK)
+      {
-    /* Abort the UART DMA Tx channel : use non blocking DMA Abort API (callback) */
+        huart->hdmatx->XferAbortCallback = NULL;
-    if (huart->hdmatx != NULL)
+      }
-    {
+      else
-      /* UART Tx DMA Abort callback has already been initialised :
+      {
-         will lead to call HAL_UART_AbortCpltCallback() at end of DMA abort procedure */
+        AbortCplt = 0x00U;
+      }
-      /* Abort DMA TX */
+    }
-      if (HAL_DMA_Abort_IT(huart->hdmatx) != HAL_OK)
+  }
-      {
-        huart->hdmatx->XferAbortCallback = NULL;
+  /* Disable the UART DMA Rx request if enabled */
-      }
+  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
-      else
+  {
-      {
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
-        AbortCplt = 0x00U;
-      }
+    /* Abort the UART DMA Rx channel : use non blocking DMA Abort API (callback) */
-    }
+    if (huart->hdmarx != NULL)
-  }
+    {
+      /* UART Rx DMA Abort callback has already been initialised :
-  /* Disable the UART DMA Rx request if enabled */
+         will lead to call HAL_UART_AbortCpltCallback() at end of DMA abort procedure */
-  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
-  {
+      /* Abort DMA RX */
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
+      if (HAL_DMA_Abort_IT(huart->hdmarx) != HAL_OK)
+      {
-    /* Abort the UART DMA Rx channel : use non blocking DMA Abort API (callback) */
+        huart->hdmarx->XferAbortCallback = NULL;
-    if (huart->hdmarx != NULL)
+        AbortCplt = 0x01U;
-    {
+      }
-      /* UART Rx DMA Abort callback has already been initialised :
+      else
-         will lead to call HAL_UART_AbortCpltCallback() at end of DMA abort procedure */
+      {
+        AbortCplt = 0x00U;
-      /* Abort DMA RX */
+      }
-      if (HAL_DMA_Abort_IT(huart->hdmarx) != HAL_OK)
+    }
-      {
+  }
-        huart->hdmarx->XferAbortCallback = NULL;
-        AbortCplt = 0x01U;
+  /* if no DMA abort complete callback execution is required => call user Abort Complete callback */
-      }
+  if (AbortCplt == 0x01U)
-      else
+  {
-      {
+    /* Reset Tx and Rx transfer counters */
-        AbortCplt = 0x00U;
+    huart->TxXferCount = 0x00U;
-      }
+    huart->RxXferCount = 0x00U;
-    }
-  }
+    /* Reset ErrorCode */
+    huart->ErrorCode = HAL_UART_ERROR_NONE;
-  /* if no DMA abort complete callback execution is required => call user Abort Complete callback */
-  if (AbortCplt == 0x01U)
+    /* Restore huart->gState and huart->RxState to Ready */
-  {
+    huart->gState  = HAL_UART_STATE_READY;
-    /* Reset Tx and Rx transfer counters */
+    huart->RxState = HAL_UART_STATE_READY;
-    huart->TxXferCount = 0x00U;
+    huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-    huart->RxXferCount = 0x00U;
+    /* As no DMA to be aborted, call directly user Abort complete callback */
-    /* Reset ErrorCode */
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-    huart->ErrorCode = HAL_UART_ERROR_NONE;
+    /* Call registered Abort complete callback */
+    huart->AbortCpltCallback(huart);
-    /* Restore huart->gState and huart->RxState to Ready */
+#else
-    huart->gState  = HAL_UART_STATE_READY;
+    /* Call legacy weak Abort complete callback */
-    huart->RxState = HAL_UART_STATE_READY;
+    HAL_UART_AbortCpltCallback(huart);
-    huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  }
-    /* As no DMA to be aborted, call directly user Abort complete callback */
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  return HAL_OK;
-    /* Call registered Abort complete callback */
+}
-    huart->AbortCpltCallback(huart);
-#else
+/**
-    /* Call legacy weak Abort complete callback */
+  * @brief  Abort ongoing Transmit transfer (Interrupt mode).
-    HAL_UART_AbortCpltCallback(huart);
+  * @param  huart UART handle.
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  * @note   This procedure could be used for aborting any ongoing Tx transfer started in Interrupt or DMA mode.
-  }
+  *         This procedure performs following operations :
+  *           - Disable UART Interrupts (Tx)
-  return HAL_OK;
+  *           - Disable the DMA transfer in the peripheral register (if enabled)
-}
+  *           - Abort DMA transfer by calling HAL_DMA_Abort_IT (in case of transfer in DMA mode)
+  *           - Set handle State to READY
-/**
+  *           - At abort completion, call user abort complete callback
-  * @brief  Abort ongoing Transmit transfer (Interrupt mode).
+  * @note   This procedure is executed in Interrupt mode, meaning that abort procedure could be
-  * @param  huart UART handle.
+  *         considered as completed only when user abort complete callback is executed (not when exiting function).
-  * @note   This procedure could be used for aborting any ongoing Tx transfer started in Interrupt or DMA mode.
+  * @retval HAL status
-  *         This procedure performs following operations :
+  */
-  *           - Disable UART Interrupts (Tx)
+HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart)
-  *           - Disable the DMA transfer in the peripheral register (if enabled)
+{
-  *           - Abort DMA transfer by calling HAL_DMA_Abort_IT (in case of transfer in DMA mode)
+  /* Disable TXEIE and TCIE interrupts */
-  *           - Set handle State to READY
+  ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
-  *           - At abort completion, call user abort complete callback
-  * @note   This procedure is executed in Interrupt mode, meaning that abort procedure could be
+  /* Disable the UART DMA Tx request if enabled */
-  *         considered as completed only when user abort complete callback is executed (not when exiting function).
+  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
-  * @retval HAL status
+  {
-*/
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
-HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart)
-{
+    /* Abort the UART DMA Tx channel : use blocking DMA Abort API (no callback) */
-  /* Disable TXEIE and TCIE interrupts */
+    if (huart->hdmatx != NULL)
-  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
+    {
+      /* Set the UART DMA Abort callback :
-  /* Disable the UART DMA Tx request if enabled */
+         will lead to call HAL_UART_AbortCpltCallback() at end of DMA abort procedure */
-  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT))
+      huart->hdmatx->XferAbortCallback = UART_DMATxOnlyAbortCallback;
-  {
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
+      /* Abort DMA TX */
+      if (HAL_DMA_Abort_IT(huart->hdmatx) != HAL_OK)
-    /* Abort the UART DMA Tx channel : use blocking DMA Abort API (no callback) */
+      {
-    if (huart->hdmatx != NULL)
+        /* Call Directly huart->hdmatx->XferAbortCallback function in case of error */
-    {
+        huart->hdmatx->XferAbortCallback(huart->hdmatx);
-      /* Set the UART DMA Abort callback :
+      }
-         will lead to call HAL_UART_AbortCpltCallback() at end of DMA abort procedure */
+    }
-      huart->hdmatx->XferAbortCallback = UART_DMATxOnlyAbortCallback;
+    else
+    {
-      /* Abort DMA TX */
+      /* Reset Tx transfer counter */
-      if (HAL_DMA_Abort_IT(huart->hdmatx) != HAL_OK)
+      huart->TxXferCount = 0x00U;
-      {
-        /* Call Directly huart->hdmatx->XferAbortCallback function in case of error */
+      /* Restore huart->gState to Ready */
-        huart->hdmatx->XferAbortCallback(huart->hdmatx);
+      huart->gState = HAL_UART_STATE_READY;
-      }
-    }
+      /* As no DMA to be aborted, call directly user Abort complete callback */
-    else
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-    {
+      /* Call registered Abort Transmit Complete Callback */
-      /* Reset Tx transfer counter */
+      huart->AbortTransmitCpltCallback(huart);
-      huart->TxXferCount = 0x00U;
+#else
+      /* Call legacy weak Abort Transmit Complete Callback */
-      /* Restore huart->gState to Ready */
+      HAL_UART_AbortTransmitCpltCallback(huart);
-      huart->gState = HAL_UART_STATE_READY;
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+    }
-      /* As no DMA to be aborted, call directly user Abort complete callback */
+  }
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  else
-      /* Call registered Abort Transmit Complete Callback */
+  {
-      huart->AbortTransmitCpltCallback(huart);
+    /* Reset Tx transfer counter */
-#else
+    huart->TxXferCount = 0x00U;
-      /* Call legacy weak Abort Transmit Complete Callback */
-      HAL_UART_AbortTransmitCpltCallback(huart);
+    /* Restore huart->gState to Ready */
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+    huart->gState = HAL_UART_STATE_READY;
-    }
-  }
+    /* As no DMA to be aborted, call directly user Abort complete callback */
-  else
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  {
+    /* Call registered Abort Transmit Complete Callback */
-    /* Reset Tx transfer counter */
+    huart->AbortTransmitCpltCallback(huart);
-    huart->TxXferCount = 0x00U;
+#else
+    /* Call legacy weak Abort Transmit Complete Callback */
-    /* Restore huart->gState to Ready */
+    HAL_UART_AbortTransmitCpltCallback(huart);
-    huart->gState = HAL_UART_STATE_READY;
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  }
-    /* As no DMA to be aborted, call directly user Abort complete callback */
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  return HAL_OK;
-    /* Call registered Abort Transmit Complete Callback */
+}
-    huart->AbortTransmitCpltCallback(huart);
-#else
+/**
-    /* Call legacy weak Abort Transmit Complete Callback */
+  * @brief  Abort ongoing Receive transfer (Interrupt mode).
-    HAL_UART_AbortTransmitCpltCallback(huart);
+  * @param  huart UART handle.
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  * @note   This procedure could be used for aborting any ongoing Rx transfer started in Interrupt or DMA mode.
-  }
+  *         This procedure performs following operations :
+  *           - Disable UART Interrupts (Rx)
-  return HAL_OK;
+  *           - Disable the DMA transfer in the peripheral register (if enabled)
-}
+  *           - Abort DMA transfer by calling HAL_DMA_Abort_IT (in case of transfer in DMA mode)
+  *           - Set handle State to READY
-/**
+  *           - At abort completion, call user abort complete callback
-  * @brief  Abort ongoing Receive transfer (Interrupt mode).
+  * @note   This procedure is executed in Interrupt mode, meaning that abort procedure could be
-  * @param  huart UART handle.
+  *         considered as completed only when user abort complete callback is executed (not when exiting function).
-  * @note   This procedure could be used for aborting any ongoing Rx transfer started in Interrupt or DMA mode.
+  * @retval HAL status
-  *         This procedure performs following operations :
+  */
-  *           - Disable UART Interrupts (Rx)
+HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart)
-  *           - Disable the DMA transfer in the peripheral register (if enabled)
+{
-  *           - Abort DMA transfer by calling HAL_DMA_Abort_IT (in case of transfer in DMA mode)
+  /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
-  *           - Set handle State to READY
+  ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
-  *           - At abort completion, call user abort complete callback
+  ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
-  * @note   This procedure is executed in Interrupt mode, meaning that abort procedure could be
-  *         considered as completed only when user abort complete callback is executed (not when exiting function).
+  /* If Reception till IDLE event was ongoing, disable IDLEIE interrupt */
-  * @retval HAL status
+  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-*/
+  {
-HAL_StatusTypeDef HAL_UART_AbortReceive_IT(UART_HandleTypeDef *huart)
+    ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_IDLEIE));
-{
+  }
-  /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
-  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
+  /* Disable the UART DMA Rx request if enabled */
-  CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
+  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
+  {
-  /* If Reception till IDLE event was ongoing, disable IDLEIE interrupt */
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
-  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-  {
+    /* Abort the UART DMA Rx channel : use blocking DMA Abort API (no callback) */
-    CLEAR_BIT(huart->Instance->CR1, (USART_CR1_IDLEIE));
+    if (huart->hdmarx != NULL)
-  }
+    {
+      /* Set the UART DMA Abort callback :
-  /* Disable the UART DMA Rx request if enabled */
+         will lead to call HAL_UART_AbortCpltCallback() at end of DMA abort procedure */
-  if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
+      huart->hdmarx->XferAbortCallback = UART_DMARxOnlyAbortCallback;
-  {
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
+      /* Abort DMA RX */
+      if (HAL_DMA_Abort_IT(huart->hdmarx) != HAL_OK)
-    /* Abort the UART DMA Rx channel : use blocking DMA Abort API (no callback) */
+      {
-    if (huart->hdmarx != NULL)
+        /* Call Directly huart->hdmarx->XferAbortCallback function in case of error */
-    {
+        huart->hdmarx->XferAbortCallback(huart->hdmarx);
-      /* Set the UART DMA Abort callback :
+      }
-         will lead to call HAL_UART_AbortCpltCallback() at end of DMA abort procedure */
+    }
-      huart->hdmarx->XferAbortCallback = UART_DMARxOnlyAbortCallback;
+    else
+    {
-      /* Abort DMA RX */
+      /* Reset Rx transfer counter */
-      if (HAL_DMA_Abort_IT(huart->hdmarx) != HAL_OK)
+      huart->RxXferCount = 0x00U;
-      {
-        /* Call Directly huart->hdmarx->XferAbortCallback function in case of error */
+      /* Restore huart->RxState to Ready */
-        huart->hdmarx->XferAbortCallback(huart->hdmarx);
+      huart->RxState = HAL_UART_STATE_READY;
-      }
+      huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-    }
-    else
+      /* As no DMA to be aborted, call directly user Abort complete callback */
-    {
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-      /* Reset Rx transfer counter */
+      /* Call registered Abort Receive Complete Callback */
-      huart->RxXferCount = 0x00U;
+      huart->AbortReceiveCpltCallback(huart);
+#else
-      /* Restore huart->RxState to Ready */
+      /* Call legacy weak Abort Receive Complete Callback */
-      huart->RxState = HAL_UART_STATE_READY;
+      HAL_UART_AbortReceiveCpltCallback(huart);
-      huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+    }
-      /* As no DMA to be aborted, call directly user Abort complete callback */
+  }
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  else
-      /* Call registered Abort Receive Complete Callback */
+  {
-      huart->AbortReceiveCpltCallback(huart);
+    /* Reset Rx transfer counter */
-#else
+    huart->RxXferCount = 0x00U;
-      /* Call legacy weak Abort Receive Complete Callback */
-      HAL_UART_AbortReceiveCpltCallback(huart);
+    /* Restore huart->RxState to Ready */
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+    huart->RxState = HAL_UART_STATE_READY;
-    }
+    huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-  }
-  else
+    /* As no DMA to be aborted, call directly user Abort complete callback */
-  {
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-    /* Reset Rx transfer counter */
+    /* Call registered Abort Receive Complete Callback */
-    huart->RxXferCount = 0x00U;
+    huart->AbortReceiveCpltCallback(huart);
+#else
-    /* Restore huart->RxState to Ready */
+    /* Call legacy weak Abort Receive Complete Callback */
-    huart->RxState = HAL_UART_STATE_READY;
+    HAL_UART_AbortReceiveCpltCallback(huart);
-    huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  }
-    /* As no DMA to be aborted, call directly user Abort complete callback */
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  return HAL_OK;
-    /* Call registered Abort Receive Complete Callback */
+}
-    huart->AbortReceiveCpltCallback(huart);
-#else
+/**
-    /* Call legacy weak Abort Receive Complete Callback */
+  * @brief  This function handles UART interrupt request.
-    HAL_UART_AbortReceiveCpltCallback(huart);
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  *                the configuration information for the specified UART module.
-  }
+  * @retval None
+  */
-  return HAL_OK;
+void HAL_UART_IRQHandler(UART_HandleTypeDef *huart)
-}
+{
+  uint32_t isrflags   = READ_REG(huart->Instance->SR);
-/**
+  uint32_t cr1its     = READ_REG(huart->Instance->CR1);
-  * @brief  This function handles UART interrupt request.
+  uint32_t cr3its     = READ_REG(huart->Instance->CR3);
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+  uint32_t errorflags = 0x00U;
-  *                the configuration information for the specified UART module.
+  uint32_t dmarequest = 0x00U;
-  * @retval None
-  */
+  /* If no error occurs */
-void HAL_UART_IRQHandler(UART_HandleTypeDef *huart)
+  errorflags = (isrflags & (uint32_t)(USART_SR_PE | USART_SR_FE | USART_SR_ORE | USART_SR_NE));
-{
+  if (errorflags == RESET)
-  uint32_t isrflags   = READ_REG(huart->Instance->SR);
+  {
-  uint32_t cr1its     = READ_REG(huart->Instance->CR1);
+    /* UART in mode Receiver -------------------------------------------------*/
-  uint32_t cr3its     = READ_REG(huart->Instance->CR3);
+    if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
-  uint32_t errorflags = 0x00U;
+    {
-  uint32_t dmarequest = 0x00U;
+      UART_Receive_IT(huart);
+      return;
-  /* If no error occurs */
+    }
-  errorflags = (isrflags & (uint32_t)(USART_SR_PE | USART_SR_FE | USART_SR_ORE | USART_SR_NE));
+  }
-  if (errorflags == RESET)
-  {
+  /* If some errors occur */
-    /* UART in mode Receiver -------------------------------------------------*/
+  if ((errorflags != RESET) && (((cr3its & USART_CR3_EIE) != RESET)
-    if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
+                                || ((cr1its & (USART_CR1_RXNEIE | USART_CR1_PEIE)) != RESET)))
-    {
+  {
-      UART_Receive_IT(huart);
+    /* UART parity error interrupt occurred ----------------------------------*/
-      return;
+    if (((isrflags & USART_SR_PE) != RESET) && ((cr1its & USART_CR1_PEIE) != RESET))
-    }
+    {
-  }
+      huart->ErrorCode |= HAL_UART_ERROR_PE;
+    }
-  /* If some errors occur */
-  if ((errorflags != RESET) && (((cr3its & USART_CR3_EIE) != RESET) || ((cr1its & (USART_CR1_RXNEIE | USART_CR1_PEIE)) != RESET)))
+    /* UART noise error interrupt occurred -----------------------------------*/
-  {
+    if (((isrflags & USART_SR_NE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET))
-    /* UART parity error interrupt occurred ----------------------------------*/
+    {
-    if (((isrflags & USART_SR_PE) != RESET) && ((cr1its & USART_CR1_PEIE) != RESET))
+      huart->ErrorCode |= HAL_UART_ERROR_NE;
-    {
+    }
-      huart->ErrorCode |= HAL_UART_ERROR_PE;
-    }
+    /* UART frame error interrupt occurred -----------------------------------*/
+    if (((isrflags & USART_SR_FE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET))
-    /* UART noise error interrupt occurred -----------------------------------*/
+    {
-    if (((isrflags & USART_SR_NE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET))
+      huart->ErrorCode |= HAL_UART_ERROR_FE;
-    {
+    }
-      huart->ErrorCode |= HAL_UART_ERROR_NE;
-    }
+    /* UART Over-Run interrupt occurred --------------------------------------*/
+    if (((isrflags & USART_SR_ORE) != RESET) && (((cr1its & USART_CR1_RXNEIE) != RESET)
-    /* UART frame error interrupt occurred -----------------------------------*/
+                                                 || ((cr3its & USART_CR3_EIE) != RESET)))
-    if (((isrflags & USART_SR_FE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET))
+    {
-    {
+      huart->ErrorCode |= HAL_UART_ERROR_ORE;
-      huart->ErrorCode |= HAL_UART_ERROR_FE;
+    }
-    }
+    /* Call UART Error Call back function if need be --------------------------*/
-    /* UART Over-Run interrupt occurred --------------------------------------*/
+    if (huart->ErrorCode != HAL_UART_ERROR_NONE)
-    if (((isrflags & USART_SR_ORE) != RESET) && (((cr1its & USART_CR1_RXNEIE) != RESET) || ((cr3its & USART_CR3_EIE) != RESET)))
+    {
-    {
+      /* UART in mode Receiver -----------------------------------------------*/
-      huart->ErrorCode |= HAL_UART_ERROR_ORE;
+      if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
-    }
+      {
+        UART_Receive_IT(huart);
-    /* Call UART Error Call back function if need be --------------------------*/
+      }
-    if (huart->ErrorCode != HAL_UART_ERROR_NONE)
-    {
+      /* If Overrun error occurs, or if any error occurs in DMA mode reception,
-      /* UART in mode Receiver -----------------------------------------------*/
+         consider error as blocking */
-      if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
+      dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR);
-      {
+      if (((huart->ErrorCode & HAL_UART_ERROR_ORE) != RESET) || dmarequest)
-        UART_Receive_IT(huart);
+      {
-      }
+        /* Blocking error : transfer is aborted
+           Set the UART state ready to be able to start again the process,
-      /* If Overrun error occurs, or if any error occurs in DMA mode reception,
+           Disable Rx Interrupts, and disable Rx DMA request, if ongoing */
-         consider error as blocking */
+        UART_EndRxTransfer(huart);
-      dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR);
-      if (((huart->ErrorCode & HAL_UART_ERROR_ORE) != RESET) || dmarequest)
+        /* Disable the UART DMA Rx request if enabled */
-      {
+        if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
-        /* Blocking error : transfer is aborted
+        {
-           Set the UART state ready to be able to start again the process,
+          ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
-           Disable Rx Interrupts, and disable Rx DMA request, if ongoing */
-        UART_EndRxTransfer(huart);
+          /* Abort the UART DMA Rx channel */
+          if (huart->hdmarx != NULL)
-        /* Disable the UART DMA Rx request if enabled */
+          {
-        if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
+            /* Set the UART DMA Abort callback :
-        {
+               will lead to call HAL_UART_ErrorCallback() at end of DMA abort procedure */
-          CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
+            huart->hdmarx->XferAbortCallback = UART_DMAAbortOnError;
+            if (HAL_DMA_Abort_IT(huart->hdmarx) != HAL_OK)
-          /* Abort the UART DMA Rx channel */
+            {
-          if (huart->hdmarx != NULL)
+              /* Call Directly XferAbortCallback function in case of error */
-          {
+              huart->hdmarx->XferAbortCallback(huart->hdmarx);
-            /* Set the UART DMA Abort callback :
+            }
-               will lead to call HAL_UART_ErrorCallback() at end of DMA abort procedure */
+          }
-            huart->hdmarx->XferAbortCallback = UART_DMAAbortOnError;
+          else
-            if (HAL_DMA_Abort_IT(huart->hdmarx) != HAL_OK)
+          {
-            {
+            /* Call user error callback */
-              /* Call Directly XferAbortCallback function in case of error */
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-              huart->hdmarx->XferAbortCallback(huart->hdmarx);
+            /*Call registered error callback*/
-            }
+            huart->ErrorCallback(huart);
-          }
+#else
-          else
+            /*Call legacy weak error callback*/
-          {
+            HAL_UART_ErrorCallback(huart);
-            /* Call user error callback */
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+          }
-            /*Call registered error callback*/
+        }
-            huart->ErrorCallback(huart);
+        else
-#else
+        {
-            /*Call legacy weak error callback*/
+          /* Call user error callback */
-            HAL_UART_ErrorCallback(huart);
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+          /*Call registered error callback*/
-          }
+          huart->ErrorCallback(huart);
-        }
+#else
-        else
+          /*Call legacy weak error callback*/
-        {
+          HAL_UART_ErrorCallback(huart);
-          /* Call user error callback */
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+        }
-          /*Call registered error callback*/
+      }
-          huart->ErrorCallback(huart);
+      else
-#else
+      {
-          /*Call legacy weak error callback*/
+        /* Non Blocking error : transfer could go on.
-          HAL_UART_ErrorCallback(huart);
+           Error is notified to user through user error callback */
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-        }
+        /*Call registered error callback*/
-      }
+        huart->ErrorCallback(huart);
-      else
+#else
-      {
+        /*Call legacy weak error callback*/
-        /* Non Blocking error : transfer could go on.
+        HAL_UART_ErrorCallback(huart);
-           Error is notified to user through user error callback */
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-        /*Call registered error callback*/
+        huart->ErrorCode = HAL_UART_ERROR_NONE;
-        huart->ErrorCallback(huart);
+      }
-#else
+    }
-        /*Call legacy weak error callback*/
+    return;
-        HAL_UART_ErrorCallback(huart);
+  } /* End if some error occurs */
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  /* Check current reception Mode :
-        huart->ErrorCode = HAL_UART_ERROR_NONE;
+     If Reception till IDLE event has been selected : */
-      }
+  if ((huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-    }
+      && ((isrflags & USART_SR_IDLE) != 0U)
-    return;
+      && ((cr1its & USART_SR_IDLE) != 0U))
-  } /* End if some error occurs */
+  {
+    __HAL_UART_CLEAR_IDLEFLAG(huart);
-  /* Check current reception Mode :
-     If Reception till IDLE event has been selected : */
+    /* Check if DMA mode is enabled in UART */
-  if (  (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
+    if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
-      &&((isrflags & USART_SR_IDLE) != 0U)
+    {
-      &&((cr1its & USART_SR_IDLE) != 0U))
+      /* DMA mode enabled */
-  {
+      /* Check received length : If all expected data are received, do nothing,
-    __HAL_UART_CLEAR_IDLEFLAG(huart);
+         (DMA cplt callback will be called).
+         Otherwise, if at least one data has already been received, IDLE event is to be notified to user */
-    /* Check if DMA mode is enabled in UART */
+      uint16_t nb_remaining_rx_data = (uint16_t) __HAL_DMA_GET_COUNTER(huart->hdmarx);
-    if (HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR))
+      if ((nb_remaining_rx_data > 0U)
-    {
+          && (nb_remaining_rx_data < huart->RxXferSize))
-      /* DMA mode enabled */
+      {
-      /* Check received length : If all expected data are received, do nothing,
+        /* Reception is not complete */
-         (DMA cplt callback will be called).
+        huart->RxXferCount = nb_remaining_rx_data;
-         Otherwise, if at least one data has already been received, IDLE event is to be notified to user */
-      uint16_t nb_remaining_rx_data = (uint16_t) __HAL_DMA_GET_COUNTER(huart->hdmarx);
+        /* In Normal mode, end DMA xfer and HAL UART Rx process*/
-      if (  (nb_remaining_rx_data > 0U)
+        if (huart->hdmarx->Init.Mode != DMA_CIRCULAR)
-          &&(nb_remaining_rx_data < huart->RxXferSize))
+        {
-      {
+          /* Disable PE and ERR (Frame error, noise error, overrun error) interrupts */
-        /* Reception is not complete */
+          ATOMIC_CLEAR_BIT(huart->Instance->CR1, USART_CR1_PEIE);
-        huart->RxXferCount = nb_remaining_rx_data;
+          ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
-        /* In Normal mode, end DMA xfer and HAL UART Rx process*/
+          /* Disable the DMA transfer for the receiver request by resetting the DMAR bit
-        if (huart->hdmarx->Init.Mode != DMA_CIRCULAR)
+             in the UART CR3 register */
-        {
+          ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
-          /* Disable PE and ERR (Frame error, noise error, overrun error) interrupts */
-          CLEAR_BIT(huart->Instance->CR1, USART_CR1_PEIE);
+          /* At end of Rx process, restore huart->RxState to Ready */
-          CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
+          huart->RxState = HAL_UART_STATE_READY;
+          huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-          /* Disable the DMA transfer for the receiver request by resetting the DMAR bit
-             in the UART CR3 register */
+          ATOMIC_CLEAR_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
-          CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
+          /* Last bytes received, so no need as the abort is immediate */
-          /* At end of Rx process, restore huart->RxState to Ready */
+          (void)HAL_DMA_Abort(huart->hdmarx);
-          huart->RxState = HAL_UART_STATE_READY;
+        }
-          huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+        /* Initialize type of RxEvent that correspond to RxEvent callback execution;
-          CLEAR_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
+        In this case, Rx Event type is Idle Event */
+        huart->RxEventType = HAL_UART_RXEVENT_IDLE;
-          /* Last bytes received, so no need as the abort is immediate */
-          (void)HAL_DMA_Abort(huart->hdmarx);
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-        }
+        /*Call registered Rx Event callback*/
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+        huart->RxEventCallback(huart, (huart->RxXferSize - huart->RxXferCount));
-        /*Call registered Rx Event callback*/
+#else
-        huart->RxEventCallback(huart, (huart->RxXferSize - huart->RxXferCount));
+        /*Call legacy weak Rx Event callback*/
-#else
+        HAL_UARTEx_RxEventCallback(huart, (huart->RxXferSize - huart->RxXferCount));
-        /*Call legacy weak Rx Event callback*/
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-        HAL_UARTEx_RxEventCallback(huart, (huart->RxXferSize - huart->RxXferCount));
+      }
-#endif
+      return;
-      }
+    }
-      return;
+    else
-    }
+    {
-    else
+      /* DMA mode not enabled */
-    {
+      /* Check received length : If all expected data are received, do nothing.
-      /* DMA mode not enabled */
+         Otherwise, if at least one data has already been received, IDLE event is to be notified to user */
-      /* Check received length : If all expected data are received, do nothing.
+      uint16_t nb_rx_data = huart->RxXferSize - huart->RxXferCount;
-         Otherwise, if at least one data has already been received, IDLE event is to be notified to user */
+      if ((huart->RxXferCount > 0U)
-      uint16_t nb_rx_data = huart->RxXferSize - huart->RxXferCount;
+          && (nb_rx_data > 0U))
-      if (  (huart->RxXferCount > 0U)
+      {
-          &&(nb_rx_data > 0U) )
+        /* Disable the UART Parity Error Interrupt and RXNE interrupts */
-      {
+        ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
-        /* Disable the UART Parity Error Interrupt and RXNE interrupts */
-        CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
+        /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */
+        ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
-        /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */
-        CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
+        /* Rx process is completed, restore huart->RxState to Ready */
+        huart->RxState = HAL_UART_STATE_READY;
-        /* Rx process is completed, restore huart->RxState to Ready */
+        huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-        huart->RxState = HAL_UART_STATE_READY;
-        huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+        ATOMIC_CLEAR_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
-        CLEAR_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
+        /* Initialize type of RxEvent that correspond to RxEvent callback execution;
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+           In this case, Rx Event type is Idle Event */
-        /*Call registered Rx complete callback*/
+        huart->RxEventType = HAL_UART_RXEVENT_IDLE;
-        huart->RxEventCallback(huart, nb_rx_data);
-#else
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-        /*Call legacy weak Rx Event callback*/
+        /*Call registered Rx complete callback*/
-        HAL_UARTEx_RxEventCallback(huart, nb_rx_data);
+        huart->RxEventCallback(huart, nb_rx_data);
-#endif
+#else
-      }
+        /*Call legacy weak Rx Event callback*/
-      return;
+        HAL_UARTEx_RxEventCallback(huart, nb_rx_data);
-    }
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-  }
+      }
+      return;
-  /* UART in mode Transmitter ------------------------------------------------*/
+    }
-  if (((isrflags & USART_SR_TXE) != RESET) && ((cr1its & USART_CR1_TXEIE) != RESET))
+  }
-  {
-    UART_Transmit_IT(huart);
+  /* UART in mode Transmitter ------------------------------------------------*/
-    return;
+  if (((isrflags & USART_SR_TXE) != RESET) && ((cr1its & USART_CR1_TXEIE) != RESET))
-  }
+  {
+    UART_Transmit_IT(huart);
-  /* UART in mode Transmitter end --------------------------------------------*/
+    return;
-  if (((isrflags & USART_SR_TC) != RESET) && ((cr1its & USART_CR1_TCIE) != RESET))
+  }
-  {
-    UART_EndTransmit_IT(huart);
+  /* UART in mode Transmitter end --------------------------------------------*/
-    return;
+  if (((isrflags & USART_SR_TC) != RESET) && ((cr1its & USART_CR1_TCIE) != RESET))
-  }
+  {
-}
+    UART_EndTransmit_IT(huart);
+    return;
-/**
+  }
-  * @brief  Tx Transfer completed callbacks.
+}
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  *                the configuration information for the specified UART module.
+/**
-  * @retval None
+  * @brief  Tx Transfer completed callbacks.
-  */
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-__weak void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
+  *                the configuration information for the specified UART module.
-{
+  * @retval None
-  /* Prevent unused argument(s) compilation warning */
+  */
-  UNUSED(huart);
+__weak void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
-  /* NOTE: This function should not be modified, when the callback is needed,
+{
-           the HAL_UART_TxCpltCallback could be implemented in the user file
+  /* Prevent unused argument(s) compilation warning */
-   */
+  UNUSED(huart);
-}
+  /* NOTE: This function should not be modified, when the callback is needed,
+           the HAL_UART_TxCpltCallback could be implemented in the user file
-/**
+   */
-  * @brief  Tx Half Transfer completed callbacks.
+}
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  *                the configuration information for the specified UART module.
+/**
-  * @retval None
+  * @brief  Tx Half Transfer completed callbacks.
-  */
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-__weak void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart)
+  *                the configuration information for the specified UART module.
-{
+  * @retval None
-  /* Prevent unused argument(s) compilation warning */
+  */
-  UNUSED(huart);
+__weak void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart)
-  /* NOTE: This function should not be modified, when the callback is needed,
+{
-           the HAL_UART_TxHalfCpltCallback could be implemented in the user file
+  /* Prevent unused argument(s) compilation warning */
-   */
+  UNUSED(huart);
-}
+  /* NOTE: This function should not be modified, when the callback is needed,
+           the HAL_UART_TxHalfCpltCallback could be implemented in the user file
-/**
+   */
-  * @brief  Rx Transfer completed callbacks.
+}
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  *                the configuration information for the specified UART module.
+/**
-  * @retval None
+  * @brief  Rx Transfer completed callbacks.
-  */
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-__weak void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
+  *                the configuration information for the specified UART module.
-{
+  * @retval None
-  /* Prevent unused argument(s) compilation warning */
+  */
-  UNUSED(huart);
+__weak void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
-  /* NOTE: This function should not be modified, when the callback is needed,
+{
-           the HAL_UART_RxCpltCallback could be implemented in the user file
+  /* Prevent unused argument(s) compilation warning */
-   */
+  UNUSED(huart);
-}
+  /* NOTE: This function should not be modified, when the callback is needed,
+           the HAL_UART_RxCpltCallback could be implemented in the user file
-/**
+   */
-  * @brief  Rx Half Transfer completed callbacks.
+}
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  *                the configuration information for the specified UART module.
+/**
-  * @retval None
+  * @brief  Rx Half Transfer completed callbacks.
-  */
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-__weak void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart)
+  *                the configuration information for the specified UART module.
-{
+  * @retval None
-  /* Prevent unused argument(s) compilation warning */
+  */
-  UNUSED(huart);
+__weak void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart)
-  /* NOTE: This function should not be modified, when the callback is needed,
+{
-           the HAL_UART_RxHalfCpltCallback could be implemented in the user file
+  /* Prevent unused argument(s) compilation warning */
-   */
+  UNUSED(huart);
-}
+  /* NOTE: This function should not be modified, when the callback is needed,
+           the HAL_UART_RxHalfCpltCallback could be implemented in the user file
-/**
+   */
-  * @brief  UART error callbacks.
+}
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  *                the configuration information for the specified UART module.
+/**
-  * @retval None
+  * @brief  UART error callbacks.
-  */
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-__weak void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
+  *                the configuration information for the specified UART module.
-{
+  * @retval None
-  /* Prevent unused argument(s) compilation warning */
+  */
-  UNUSED(huart);
+__weak void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
-  /* NOTE: This function should not be modified, when the callback is needed,
+{
-           the HAL_UART_ErrorCallback could be implemented in the user file
+  /* Prevent unused argument(s) compilation warning */
-   */
+  UNUSED(huart);
-}
+  /* NOTE: This function should not be modified, when the callback is needed,
+           the HAL_UART_ErrorCallback could be implemented in the user file
-/**
+   */
-  * @brief  UART Abort Complete callback.
+}
-  * @param  huart UART handle.
-  * @retval None
+/**
-  */
+  * @brief  UART Abort Complete callback.
-__weak void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart)
+  * @param  huart UART handle.
-{
+  * @retval None
-  /* Prevent unused argument(s) compilation warning */
+  */
-  UNUSED(huart);
+__weak void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart)
+{
-  /* NOTE : This function should not be modified, when the callback is needed,
+  /* Prevent unused argument(s) compilation warning */
-            the HAL_UART_AbortCpltCallback can be implemented in the user file.
+  UNUSED(huart);
-   */
-}
+  /* NOTE : This function should not be modified, when the callback is needed,
+            the HAL_UART_AbortCpltCallback can be implemented in the user file.
-/**
+   */
-  * @brief  UART Abort Complete callback.
+}
-  * @param  huart UART handle.
-  * @retval None
+/**
-  */
+  * @brief  UART Abort Complete callback.
-__weak void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart)
+  * @param  huart UART handle.
-{
+  * @retval None
-  /* Prevent unused argument(s) compilation warning */
+  */
-  UNUSED(huart);
+__weak void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart)
+{
-  /* NOTE : This function should not be modified, when the callback is needed,
+  /* Prevent unused argument(s) compilation warning */
-            the HAL_UART_AbortTransmitCpltCallback can be implemented in the user file.
+  UNUSED(huart);
-   */
-}
+  /* NOTE : This function should not be modified, when the callback is needed,
+            the HAL_UART_AbortTransmitCpltCallback can be implemented in the user file.
-/**
+   */
-  * @brief  UART Abort Receive Complete callback.
+}
-  * @param  huart UART handle.
-  * @retval None
+/**
-  */
+  * @brief  UART Abort Receive Complete callback.
-__weak void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart)
+  * @param  huart UART handle.
-{
+  * @retval None
-  /* Prevent unused argument(s) compilation warning */
+  */
-  UNUSED(huart);
+__weak void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart)
+{
-  /* NOTE : This function should not be modified, when the callback is needed,
+  /* Prevent unused argument(s) compilation warning */
-            the HAL_UART_AbortReceiveCpltCallback can be implemented in the user file.
+  UNUSED(huart);
-   */
-}
+  /* NOTE : This function should not be modified, when the callback is needed,
+            the HAL_UART_AbortReceiveCpltCallback can be implemented in the user file.
-/**
+   */
-  * @brief  Reception Event Callback (Rx event notification called after use of advanced reception service).
+}
-  * @param  huart UART handle
-  * @param  Size  Number of data available in application reception buffer (indicates a position in
+/**
-  *               reception buffer until which, data are available)
+  * @brief  Reception Event Callback (Rx event notification called after use of advanced reception service).
-  * @retval None
+  * @param  huart UART handle
-  */
+  * @param  Size  Number of data available in application reception buffer (indicates a position in
-__weak void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size)
+  *               reception buffer until which, data are available)
-{
+  * @retval None
-  /* Prevent unused argument(s) compilation warning */
+  */
-  UNUSED(huart);
+__weak void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size)
-  UNUSED(Size);
+{
+  /* Prevent unused argument(s) compilation warning */
-  /* NOTE : This function should not be modified, when the callback is needed,
+  UNUSED(huart);
-            the HAL_UARTEx_RxEventCallback can be implemented in the user file.
+  UNUSED(Size);
-   */
-}
+  /* NOTE : This function should not be modified, when the callback is needed,
+            the HAL_UARTEx_RxEventCallback can be implemented in the user file.
-/**
+   */
-  * @}
+}
-  */
+/**
-/** @defgroup UART_Exported_Functions_Group3 Peripheral Control functions
+  * @}
-  *  @brief   UART control functions
+  */
-  *
-@verbatim
+/** @defgroup UART_Exported_Functions_Group3 Peripheral Control functions
-  ==============================================================================
+  *  @brief   UART control functions
-                      ##### Peripheral Control functions #####
+  *
-  ==============================================================================
+@verbatim
-  [..]
+  ==============================================================================
-    This subsection provides a set of functions allowing to control the UART:
+                      ##### Peripheral Control functions #####
-    (+) HAL_LIN_SendBreak() API can be helpful to transmit the break character.
+  ==============================================================================
-    (+) HAL_MultiProcessor_EnterMuteMode() API can be helpful to enter the UART in mute mode.
+  [..]
-    (+) HAL_MultiProcessor_ExitMuteMode() API can be helpful to exit the UART mute mode by software.
+    This subsection provides a set of functions allowing to control the UART:
-    (+) HAL_HalfDuplex_EnableTransmitter() API to enable the UART transmitter and disables the UART receiver in Half Duplex mode
+    (+) HAL_LIN_SendBreak() API can be helpful to transmit the break character.
-    (+) HAL_HalfDuplex_EnableReceiver() API to enable the UART receiver and disables the UART transmitter in Half Duplex mode
+    (+) HAL_MultiProcessor_EnterMuteMode() API can be helpful to enter the UART in mute mode.
+    (+) HAL_MultiProcessor_ExitMuteMode() API can be helpful to exit the UART mute mode by software.
-@endverbatim
+    (+) HAL_HalfDuplex_EnableTransmitter() API to enable the UART transmitter and disables the UART receiver in Half Duplex mode
-  * @{
+    (+) HAL_HalfDuplex_EnableReceiver() API to enable the UART receiver and disables the UART transmitter in Half Duplex mode
-  */
+@endverbatim
-/**
+  * @{
-  * @brief  Transmits break characters.
+  */
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  *                the configuration information for the specified UART module.
+/**
-  * @retval HAL status
+  * @brief  Transmits break characters.
-  */
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart)
+  *                the configuration information for the specified UART module.
-{
+  * @retval HAL status
-  /* Check the parameters */
+  */
-  assert_param(IS_UART_INSTANCE(huart->Instance));
+HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart)
+{
-  /* Process Locked */
+  /* Check the parameters */
-  __HAL_LOCK(huart);
+  assert_param(IS_UART_INSTANCE(huart->Instance));
-  huart->gState = HAL_UART_STATE_BUSY;
+  /* Process Locked */
+  __HAL_LOCK(huart);
-  /* Send break characters */
-  SET_BIT(huart->Instance->CR1, USART_CR1_SBK);
+  huart->gState = HAL_UART_STATE_BUSY;
-  huart->gState = HAL_UART_STATE_READY;
+  /* Send break characters */
+  ATOMIC_SET_BIT(huart->Instance->CR1, USART_CR1_SBK);
-  /* Process Unlocked */
-  __HAL_UNLOCK(huart);
+  huart->gState = HAL_UART_STATE_READY;
-  return HAL_OK;
+  /* Process Unlocked */
-}
+  __HAL_UNLOCK(huart);
-/**
+  return HAL_OK;
-  * @brief  Enters the UART in mute mode.
+}
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  *                the configuration information for the specified UART module.
+/**
-  * @retval HAL status
+  * @brief  Enters the UART in mute mode.
-  */
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart)
+  *                the configuration information for the specified UART module.
-{
+  * @retval HAL status
-  /* Check the parameters */
+  */
-  assert_param(IS_UART_INSTANCE(huart->Instance));
+HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart)
+{
-  /* Process Locked */
+  /* Check the parameters */
-  __HAL_LOCK(huart);
+  assert_param(IS_UART_INSTANCE(huart->Instance));
-  huart->gState = HAL_UART_STATE_BUSY;
+  /* Process Locked */
+  __HAL_LOCK(huart);
-  /* Enable the USART mute mode  by setting the RWU bit in the CR1 register */
-  SET_BIT(huart->Instance->CR1, USART_CR1_RWU);
+  huart->gState = HAL_UART_STATE_BUSY;
-  huart->gState = HAL_UART_STATE_READY;
+  /* Enable the USART mute mode  by setting the RWU bit in the CR1 register */
+  ATOMIC_SET_BIT(huart->Instance->CR1, USART_CR1_RWU);
-  /* Process Unlocked */
-  __HAL_UNLOCK(huart);
+  huart->gState = HAL_UART_STATE_READY;
+  huart->RxEventType = HAL_UART_RXEVENT_TC;
-  return HAL_OK;
-}
+  /* Process Unlocked */
+  __HAL_UNLOCK(huart);
-/**
-  * @brief  Exits the UART mute mode: wake up software.
+  return HAL_OK;
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+}
-  *                the configuration information for the specified UART module.
-  * @retval HAL status
+/**
-  */
+  * @brief  Exits the UART mute mode: wake up software.
-HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart)
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-{
+  *                the configuration information for the specified UART module.
-  /* Check the parameters */
+  * @retval HAL status
-  assert_param(IS_UART_INSTANCE(huart->Instance));
+  */
+HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart)
-  /* Process Locked */
+{
-  __HAL_LOCK(huart);
+  /* Check the parameters */
+  assert_param(IS_UART_INSTANCE(huart->Instance));
-  huart->gState = HAL_UART_STATE_BUSY;
+  /* Process Locked */
-  /* Disable the USART mute mode by clearing the RWU bit in the CR1 register */
+  __HAL_LOCK(huart);
-  CLEAR_BIT(huart->Instance->CR1, USART_CR1_RWU);
+  huart->gState = HAL_UART_STATE_BUSY;
-  huart->gState = HAL_UART_STATE_READY;
+  /* Disable the USART mute mode by clearing the RWU bit in the CR1 register */
-  /* Process Unlocked */
+  ATOMIC_CLEAR_BIT(huart->Instance->CR1, USART_CR1_RWU);
-  __HAL_UNLOCK(huart);
+  huart->gState = HAL_UART_STATE_READY;
-  return HAL_OK;
+  huart->RxEventType = HAL_UART_RXEVENT_TC;
-}
+  /* Process Unlocked */
-/**
+  __HAL_UNLOCK(huart);
-  * @brief  Enables the UART transmitter and disables the UART receiver.
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+  return HAL_OK;
-  *                the configuration information for the specified UART module.
+}
-  * @retval HAL status
-  */
+/**
-HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart)
+  * @brief  Enables the UART transmitter and disables the UART receiver.
-{
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  uint32_t tmpreg = 0x00U;
+  *                the configuration information for the specified UART module.
+  * @retval HAL status
-  /* Process Locked */
+  */
-  __HAL_LOCK(huart);
+HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart)
+{
-  huart->gState = HAL_UART_STATE_BUSY;
+  uint32_t tmpreg = 0x00U;
-  /*-------------------------- USART CR1 Configuration -----------------------*/
+  /* Process Locked */
-  tmpreg = huart->Instance->CR1;
+  __HAL_LOCK(huart);
-  /* Clear TE and RE bits */
+  huart->gState = HAL_UART_STATE_BUSY;
-  tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_TE | USART_CR1_RE));
+  /*-------------------------- USART CR1 Configuration -----------------------*/
-  /* Enable the USART's transmit interface by setting the TE bit in the USART CR1 register */
+  tmpreg = huart->Instance->CR1;
-  tmpreg |= (uint32_t)USART_CR1_TE;
+  /* Clear TE and RE bits */
-  /* Write to USART CR1 */
+  tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_TE | USART_CR1_RE));
-  WRITE_REG(huart->Instance->CR1, (uint32_t)tmpreg);
+  /* Enable the USART's transmit interface by setting the TE bit in the USART CR1 register */
-  huart->gState = HAL_UART_STATE_READY;
+  tmpreg |= (uint32_t)USART_CR1_TE;
-  /* Process Unlocked */
+  /* Write to USART CR1 */
-  __HAL_UNLOCK(huart);
+  WRITE_REG(huart->Instance->CR1, (uint32_t)tmpreg);
-  return HAL_OK;
+  huart->gState = HAL_UART_STATE_READY;
-}
+  /* Process Unlocked */
-/**
+  __HAL_UNLOCK(huart);
-  * @brief  Enables the UART receiver and disables the UART transmitter.
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+  return HAL_OK;
-  *                the configuration information for the specified UART module.
+}
-  * @retval HAL status
-  */
+/**
-HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart)
+  * @brief  Enables the UART receiver and disables the UART transmitter.
-{
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  uint32_t tmpreg = 0x00U;
+  *                the configuration information for the specified UART module.
+  * @retval HAL status
-  /* Process Locked */
+  */
-  __HAL_LOCK(huart);
+HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart)
+{
-  huart->gState = HAL_UART_STATE_BUSY;
+  uint32_t tmpreg = 0x00U;
-  /*-------------------------- USART CR1 Configuration -----------------------*/
+  /* Process Locked */
-  tmpreg = huart->Instance->CR1;
+  __HAL_LOCK(huart);
-  /* Clear TE and RE bits */
+  huart->gState = HAL_UART_STATE_BUSY;
-  tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_TE | USART_CR1_RE));
+  /*-------------------------- USART CR1 Configuration -----------------------*/
-  /* Enable the USART's receive interface by setting the RE bit in the USART CR1 register */
+  tmpreg = huart->Instance->CR1;
-  tmpreg |= (uint32_t)USART_CR1_RE;
+  /* Clear TE and RE bits */
-  /* Write to USART CR1 */
+  tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_TE | USART_CR1_RE));
-  WRITE_REG(huart->Instance->CR1, (uint32_t)tmpreg);
+  /* Enable the USART's receive interface by setting the RE bit in the USART CR1 register */
-  huart->gState = HAL_UART_STATE_READY;
+  tmpreg |= (uint32_t)USART_CR1_RE;
-  /* Process Unlocked */
+  /* Write to USART CR1 */
-  __HAL_UNLOCK(huart);
+  WRITE_REG(huart->Instance->CR1, (uint32_t)tmpreg);
-  return HAL_OK;
+  huart->gState = HAL_UART_STATE_READY;
-}
+  /* Process Unlocked */
-/**
+  __HAL_UNLOCK(huart);
-  * @}
-  */
+  return HAL_OK;
+}
-/** @defgroup UART_Exported_Functions_Group4 Peripheral State and Errors functions
-  *  @brief   UART State and Errors functions
+/**
-  *
+  * @}
-@verbatim
+  */
-  ==============================================================================
-                 ##### Peripheral State and Errors functions #####
+/** @defgroup UART_Exported_Functions_Group4 Peripheral State and Errors functions
-  ==============================================================================
+  *  @brief   UART State and Errors functions
- [..]
+  *
-   This subsection provides a set of functions allowing to return the State of
+@verbatim
-   UART communication process, return Peripheral Errors occurred during communication
+  ==============================================================================
-   process
+                 ##### Peripheral State and Errors functions #####
-   (+) HAL_UART_GetState() API can be helpful to check in run-time the state of the UART peripheral.
+  ==============================================================================
-   (+) HAL_UART_GetError() check in run-time errors that could be occurred during communication.
+ [..]
+   This subsection provides a set of functions allowing to return the State of
-@endverbatim
+   UART communication process, return Peripheral Errors occurred during communication
-  * @{
+   process
-  */
+   (+) HAL_UART_GetState() API can be helpful to check in run-time the state of the UART peripheral.
+   (+) HAL_UART_GetError() check in run-time errors that could be occurred during communication.
-/**
-  * @brief  Returns the UART state.
+@endverbatim
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+  * @{
-  *                the configuration information for the specified UART module.
+  */
-  * @retval HAL state
-  */
+/**
-HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart)
+  * @brief  Returns the UART state.
-{
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  uint32_t temp1 = 0x00U, temp2 = 0x00U;
+  *                the configuration information for the specified UART module.
-  temp1 = huart->gState;
+  * @retval HAL state
-  temp2 = huart->RxState;
+  */
+HAL_UART_StateTypeDef HAL_UART_GetState(const UART_HandleTypeDef *huart)
-  return (HAL_UART_StateTypeDef)(temp1 | temp2);
+{
-}
+  uint32_t temp1 = 0x00U, temp2 = 0x00U;
+  temp1 = huart->gState;
-/**
+  temp2 = huart->RxState;
-  * @brief  Return the UART error code
-  * @param  huart Pointer to a UART_HandleTypeDef structure that contains
+  return (HAL_UART_StateTypeDef)(temp1 | temp2);
-  *               the configuration information for the specified UART.
+}
-  * @retval UART Error Code
-  */
+/**
-uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart)
+  * @brief  Return the UART error code
-{
+  * @param  huart Pointer to a UART_HandleTypeDef structure that contains
-  return huart->ErrorCode;
+  *               the configuration information for the specified UART.
-}
+  * @retval UART Error Code
+  */
-/**
+uint32_t HAL_UART_GetError(const UART_HandleTypeDef *huart)
-  * @}
+{
-  */
+  return huart->ErrorCode;
+}
-/**
-  * @}
+/**
-  */
+  * @}
+  */
-/** @defgroup UART_Private_Functions UART Private Functions
-  * @{
+/**
-  */
+  * @}
+  */
-/**
-  * @brief  Initialize the callbacks to their default values.
+/** @defgroup UART_Private_Functions UART Private Functions
-  * @param  huart UART handle.
+  * @{
-  * @retval none
+  */
-  */
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+/**
-void UART_InitCallbacksToDefault(UART_HandleTypeDef *huart)
+  * @brief  Initialize the callbacks to their default values.
-{
+  * @param  huart UART handle.
-  /* Init the UART Callback settings */
+  * @retval none
-  huart->TxHalfCpltCallback        = HAL_UART_TxHalfCpltCallback;        /* Legacy weak TxHalfCpltCallback        */
+  */
-  huart->TxCpltCallback            = HAL_UART_TxCpltCallback;            /* Legacy weak TxCpltCallback            */
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  huart->RxHalfCpltCallback        = HAL_UART_RxHalfCpltCallback;        /* Legacy weak RxHalfCpltCallback        */
+void UART_InitCallbacksToDefault(UART_HandleTypeDef *huart)
-  huart->RxCpltCallback            = HAL_UART_RxCpltCallback;            /* Legacy weak RxCpltCallback            */
+{
-  huart->ErrorCallback             = HAL_UART_ErrorCallback;             /* Legacy weak ErrorCallback             */
+  /* Init the UART Callback settings */
-  huart->AbortCpltCallback         = HAL_UART_AbortCpltCallback;         /* Legacy weak AbortCpltCallback         */
+  huart->TxHalfCpltCallback        = HAL_UART_TxHalfCpltCallback;        /* Legacy weak TxHalfCpltCallback        */
-  huart->AbortTransmitCpltCallback = HAL_UART_AbortTransmitCpltCallback; /* Legacy weak AbortTransmitCpltCallback */
+  huart->TxCpltCallback            = HAL_UART_TxCpltCallback;            /* Legacy weak TxCpltCallback            */
-  huart->AbortReceiveCpltCallback  = HAL_UART_AbortReceiveCpltCallback;  /* Legacy weak AbortReceiveCpltCallback  */
+  huart->RxHalfCpltCallback        = HAL_UART_RxHalfCpltCallback;        /* Legacy weak RxHalfCpltCallback        */
-  huart->RxEventCallback           = HAL_UARTEx_RxEventCallback;         /* Legacy weak RxEventCallback           */
+  huart->RxCpltCallback            = HAL_UART_RxCpltCallback;            /* Legacy weak RxCpltCallback            */
+  huart->ErrorCallback             = HAL_UART_ErrorCallback;             /* Legacy weak ErrorCallback             */
-}
+  huart->AbortCpltCallback         = HAL_UART_AbortCpltCallback;         /* Legacy weak AbortCpltCallback         */
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  huart->AbortTransmitCpltCallback = HAL_UART_AbortTransmitCpltCallback; /* Legacy weak AbortTransmitCpltCallback */
+  huart->AbortReceiveCpltCallback  = HAL_UART_AbortReceiveCpltCallback;  /* Legacy weak AbortReceiveCpltCallback  */
-/**
+  huart->RxEventCallback           = HAL_UARTEx_RxEventCallback;         /* Legacy weak RxEventCallback           */
-  * @brief  DMA UART transmit process complete callback.
-  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
+}
-  *               the configuration information for the specified DMA module.
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-  * @retval None
-  */
+/**
-static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma)
+  * @brief  DMA UART transmit process complete callback.
-{
+  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+  *               the configuration information for the specified DMA module.
-  /* DMA Normal mode*/
+  * @retval None
-  if ((hdma->Instance->CCR & DMA_CCR_CIRC) == 0U)
+  */
-  {
+static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma)
-    huart->TxXferCount = 0x00U;
+{
+  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-    /* Disable the DMA transfer for transmit request by setting the DMAT bit
+  /* DMA Normal mode*/
-       in the UART CR3 register */
+  if ((hdma->Instance->CCR & DMA_CCR_CIRC) == 0U)
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
+  {
+    huart->TxXferCount = 0x00U;
-    /* Enable the UART Transmit Complete Interrupt */
-    SET_BIT(huart->Instance->CR1, USART_CR1_TCIE);
+    /* Disable the DMA transfer for transmit request by setting the DMAT bit
+       in the UART CR3 register */
-  }
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAT);
-  /* DMA Circular mode */
-  else
+    /* Enable the UART Transmit Complete Interrupt */
-  {
+    ATOMIC_SET_BIT(huart->Instance->CR1, USART_CR1_TCIE);
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-    /*Call registered Tx complete callback*/
+  }
-    huart->TxCpltCallback(huart);
+  /* DMA Circular mode */
-#else
+  else
-    /*Call legacy weak Tx complete callback*/
+  {
-    HAL_UART_TxCpltCallback(huart);
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+    /*Call registered Tx complete callback*/
-  }
+    huart->TxCpltCallback(huart);
-}
+#else
+    /*Call legacy weak Tx complete callback*/
-/**
+    HAL_UART_TxCpltCallback(huart);
-  * @brief DMA UART transmit process half complete callback
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
+  }
-  *               the configuration information for the specified DMA module.
+}
-  * @retval None
-  */
+/**
-static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma)
+  * @brief DMA UART transmit process half complete callback
-{
+  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+  *               the configuration information for the specified DMA module.
+  * @retval None
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  */
-  /*Call registered Tx complete callback*/
+static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma)
-  huart->TxHalfCpltCallback(huart);
+{
-#else
+  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-  /*Call legacy weak Tx complete callback*/
-  HAL_UART_TxHalfCpltCallback(huart);
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  /*Call registered Tx complete callback*/
-}
+  huart->TxHalfCpltCallback(huart);
+#else
-/**
+  /*Call legacy weak Tx complete callback*/
-  * @brief  DMA UART receive process complete callback.
+  HAL_UART_TxHalfCpltCallback(huart);
-  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-  *               the configuration information for the specified DMA module.
+}
-  * @retval None
-  */
+/**
-static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma)
+  * @brief  DMA UART receive process complete callback.
-{
+  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+  *               the configuration information for the specified DMA module.
-  /* DMA Normal mode*/
+  * @retval None
-  if ((hdma->Instance->CCR & DMA_CCR_CIRC) == 0U)
+  */
-  {
+static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma)
-    huart->RxXferCount = 0U;
+{
+  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-    /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
-    CLEAR_BIT(huart->Instance->CR1, USART_CR1_PEIE);
+  /* DMA Normal mode*/
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
+  if ((hdma->Instance->CCR & DMA_CCR_CIRC) == 0U)
+  {
-    /* Disable the DMA transfer for the receiver request by setting the DMAR bit
+    huart->RxXferCount = 0U;
-       in the UART CR3 register */
-    CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
+    /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
+    ATOMIC_CLEAR_BIT(huart->Instance->CR1, USART_CR1_PEIE);
-    /* At end of Rx process, restore huart->RxState to Ready */
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
-    huart->RxState = HAL_UART_STATE_READY;
+    /* Disable the DMA transfer for the receiver request by setting the DMAR bit
-    /* If Reception till IDLE event has been selected, Disable IDLE Interrupt */
+       in the UART CR3 register */
-    if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
+    ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_DMAR);
-    {
-      CLEAR_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
+    /* At end of Rx process, restore huart->RxState to Ready */
-    }
+    huart->RxState = HAL_UART_STATE_READY;
-  }
+    /* If Reception till IDLE event has been selected, Disable IDLE Interrupt */
-  /* Check current reception Mode :
+    if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-     If Reception till IDLE event has been selected : use Rx Event callback */
+    {
-  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
+      ATOMIC_CLEAR_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
-  {
+    }
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  }
-    /*Call registered Rx Event callback*/
-    huart->RxEventCallback(huart, huart->RxXferSize);
+  /* Initialize type of RxEvent that correspond to RxEvent callback execution;
-#else
+   In this case, Rx Event type is Transfer Complete */
-    /*Call legacy weak Rx Event callback*/
+  huart->RxEventType = HAL_UART_RXEVENT_TC;
-    HAL_UARTEx_RxEventCallback(huart, huart->RxXferSize);
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  /* Check current reception Mode :
-  }
+     If Reception till IDLE event has been selected : use Rx Event callback */
-  else
+  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
   {
-    /* In other cases : use Rx Complete callback */
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+    /*Call registered Rx Event callback*/
-    /*Call registered Rx complete callback*/
+    huart->RxEventCallback(huart, huart->RxXferSize);
-    huart->RxCpltCallback(huart);
+#else
-#else
+    /*Call legacy weak Rx Event callback*/
-    /*Call legacy weak Rx complete callback*/
+    HAL_UARTEx_RxEventCallback(huart, huart->RxXferSize);
-    HAL_UART_RxCpltCallback(huart);
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  }
-  }
+  else
-}
+  {
+    /* In other cases : use Rx Complete callback */
-/**
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  * @brief DMA UART receive process half complete callback
+    /*Call registered Rx complete callback*/
-  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
+    huart->RxCpltCallback(huart);
-  *               the configuration information for the specified DMA module.
+#else
-  * @retval None
+    /*Call legacy weak Rx complete callback*/
-  */
+    HAL_UART_RxCpltCallback(huart);
-static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma)
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-{
+  }
-  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+}
-  /* Check current reception Mode :
+/**
-     If Reception till IDLE event has been selected : use Rx Event callback */
+  * @brief DMA UART receive process half complete callback
-  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
+  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-  {
+  *               the configuration information for the specified DMA module.
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  * @retval None
-    /*Call registered Rx Event callback*/
+  */
-    huart->RxEventCallback(huart, huart->RxXferSize/2U);
+static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma)
-#else
+{
-    /*Call legacy weak Rx Event callback*/
+  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-    HAL_UARTEx_RxEventCallback(huart, huart->RxXferSize/2U);
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  /* Initialize type of RxEvent that correspond to RxEvent callback execution;
-  }
+     In this case, Rx Event type is Half Transfer */
-  else
+  huart->RxEventType = HAL_UART_RXEVENT_HT;
-  {
-    /* In other cases : use Rx Half Complete callback */
+  /* Check current reception Mode :
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+     If Reception till IDLE event has been selected : use Rx Event callback */
-    /*Call registered Rx Half complete callback*/
+  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-    huart->RxHalfCpltCallback(huart);
+  {
-#else
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-    /*Call legacy weak Rx Half complete callback*/
+    /*Call registered Rx Event callback*/
-    HAL_UART_RxHalfCpltCallback(huart);
+    huart->RxEventCallback(huart, huart->RxXferSize / 2U);
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+#else
-  }
+    /*Call legacy weak Rx Event callback*/
-}
+    HAL_UARTEx_RxEventCallback(huart, huart->RxXferSize / 2U);
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-/**
+  }
-  * @brief  DMA UART communication error callback.
+  else
-  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
+  {
-  *               the configuration information for the specified DMA module.
+    /* In other cases : use Rx Half Complete callback */
-  * @retval None
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  */
+    /*Call registered Rx Half complete callback*/
-static void UART_DMAError(DMA_HandleTypeDef *hdma)
+    huart->RxHalfCpltCallback(huart);
-{
+#else
-  uint32_t dmarequest = 0x00U;
+    /*Call legacy weak Rx Half complete callback*/
-  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+    HAL_UART_RxHalfCpltCallback(huart);
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-  /* Stop UART DMA Tx request if ongoing */
+  }
-  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT);
+}
-  if ((huart->gState == HAL_UART_STATE_BUSY_TX) && dmarequest)
-  {
+/**
-    huart->TxXferCount = 0x00U;
+  * @brief  DMA UART communication error callback.
-    UART_EndTxTransfer(huart);
+  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-  }
+  *               the configuration information for the specified DMA module.
+  * @retval None
-  /* Stop UART DMA Rx request if ongoing */
+  */
-  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR);
+static void UART_DMAError(DMA_HandleTypeDef *hdma)
-  if ((huart->RxState == HAL_UART_STATE_BUSY_RX) && dmarequest)
+{
-  {
+  uint32_t dmarequest = 0x00U;
-    huart->RxXferCount = 0x00U;
+  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-    UART_EndRxTransfer(huart);
-  }
+  /* Stop UART DMA Tx request if ongoing */
+  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAT);
-  huart->ErrorCode |= HAL_UART_ERROR_DMA;
+  if ((huart->gState == HAL_UART_STATE_BUSY_TX) && dmarequest)
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  {
-  /*Call registered error callback*/
+    huart->TxXferCount = 0x00U;
-  huart->ErrorCallback(huart);
+    UART_EndTxTransfer(huart);
-#else
+  }
-  /*Call legacy weak error callback*/
-  HAL_UART_ErrorCallback(huart);
+  /* Stop UART DMA Rx request if ongoing */
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  dmarequest = HAL_IS_BIT_SET(huart->Instance->CR3, USART_CR3_DMAR);
-}
+  if ((huart->RxState == HAL_UART_STATE_BUSY_RX) && dmarequest)
+  {
-/**
+    huart->RxXferCount = 0x00U;
-  * @brief  This function handles UART Communication Timeout.
+    UART_EndRxTransfer(huart);
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+  }
-  *                the configuration information for the specified UART module.
-  * @param  Flag specifies the UART flag to check.
+  huart->ErrorCode |= HAL_UART_ERROR_DMA;
-  * @param  Status The new Flag status (SET or RESET).
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  * @param  Tickstart Tick start value
+  /*Call registered error callback*/
-  * @param  Timeout Timeout duration
+  huart->ErrorCallback(huart);
-  * @retval HAL status
+#else
-  */
+  /*Call legacy weak error callback*/
-static HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Tickstart, uint32_t Timeout)
+  HAL_UART_ErrorCallback(huart);
-{
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-  /* Wait until flag is set */
+}
-  while ((__HAL_UART_GET_FLAG(huart, Flag) ? SET : RESET) == Status)
-  {
+/**
-    /* Check for the Timeout */
+  * @brief  This function handles UART Communication Timeout. It waits
-    if (Timeout != HAL_MAX_DELAY)
+  *         until a flag is no longer in the specified status.
-    {
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-      if ((Timeout == 0U) || ((HAL_GetTick() - Tickstart) > Timeout))
+  *                the configuration information for the specified UART module.
-      {
+  * @param  Flag specifies the UART flag to check.
-        /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */
+  * @param  Status The actual Flag status (SET or RESET).
-        CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE));
+  * @param  Tickstart Tick start value
-        CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
+  * @param  Timeout Timeout duration
+  * @retval HAL status
-        huart->gState  = HAL_UART_STATE_READY;
+  */
-        huart->RxState = HAL_UART_STATE_READY;
+static HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status,
+                                                     uint32_t Tickstart, uint32_t Timeout)
-        /* Process Unlocked */
+{
-        __HAL_UNLOCK(huart);
+  /* Wait until flag is set */
+  while ((__HAL_UART_GET_FLAG(huart, Flag) ? SET : RESET) == Status)
-        return HAL_TIMEOUT;
+  {
-      }
+    /* Check for the Timeout */
-    }
+    if (Timeout != HAL_MAX_DELAY)
-  }
+    {
-  return HAL_OK;
+      if ((Timeout == 0U) || ((HAL_GetTick() - Tickstart) > Timeout))
-}
+      {
+        /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */
-/**
+        ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE));
-  * @brief  Start Receive operation in interrupt mode.
+        ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
-  * @note   This function could be called by all HAL UART API providing reception in Interrupt mode.
-  * @note   When calling this function, parameters validity is considered as already checked,
+        huart->gState  = HAL_UART_STATE_READY;
-  *         i.e. Rx State, buffer address, ...
+        huart->RxState = HAL_UART_STATE_READY;
-  *         UART Handle is assumed as Locked.
-  * @param  huart UART handle.
+        /* Process Unlocked */
-  * @param  pData Pointer to data buffer (u8 or u16 data elements).
+        __HAL_UNLOCK(huart);
-  * @param  Size  Amount of data elements (u8 or u16) to be received.
-  * @retval HAL status
+        return HAL_TIMEOUT;
-  */
+      }
-HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
+    }
-{
+  }
-  huart->pRxBuffPtr = pData;
+  return HAL_OK;
-  huart->RxXferSize = Size;
+}
-  huart->RxXferCount = Size;
+/**
-  huart->ErrorCode = HAL_UART_ERROR_NONE;
+  * @brief  Start Receive operation in interrupt mode.
-  huart->RxState = HAL_UART_STATE_BUSY_RX;
+  * @note   This function could be called by all HAL UART API providing reception in Interrupt mode.
+  * @note   When calling this function, parameters validity is considered as already checked,
-  /* Process Unlocked */
+  *         i.e. Rx State, buffer address, ...
-  __HAL_UNLOCK(huart);
+  *         UART Handle is assumed as Locked.
+  * @param  huart UART handle.
-  /* Enable the UART Parity Error Interrupt */
+  * @param  pData Pointer to data buffer (u8 or u16 data elements).
-  __HAL_UART_ENABLE_IT(huart, UART_IT_PE);
+  * @param  Size  Amount of data elements (u8 or u16) to be received.
+  * @retval HAL status
-  /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */
+  */
-  __HAL_UART_ENABLE_IT(huart, UART_IT_ERR);
+HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
+{
-  /* Enable the UART Data Register not empty Interrupt */
+  huart->pRxBuffPtr = pData;
-  __HAL_UART_ENABLE_IT(huart, UART_IT_RXNE);
+  huart->RxXferSize = Size;
+  huart->RxXferCount = Size;
-  return HAL_OK;
-}
+  huart->ErrorCode = HAL_UART_ERROR_NONE;
+  huart->RxState = HAL_UART_STATE_BUSY_RX;
-/**
-  * @brief  Start Receive operation in DMA mode.
+  if (huart->Init.Parity != UART_PARITY_NONE)
-  * @note   This function could be called by all HAL UART API providing reception in DMA mode.
+  {
-  * @note   When calling this function, parameters validity is considered as already checked,
+    /* Enable the UART Parity Error Interrupt */
-  *         i.e. Rx State, buffer address, ...
+    __HAL_UART_ENABLE_IT(huart, UART_IT_PE);
-  *         UART Handle is assumed as Locked.
+  }
-  * @param  huart UART handle.
-  * @param  pData Pointer to data buffer (u8 or u16 data elements).
+  /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */
-  * @param  Size  Amount of data elements (u8 or u16) to be received.
+  __HAL_UART_ENABLE_IT(huart, UART_IT_ERR);
-  * @retval HAL status
-  */
+  /* Enable the UART Data Register not empty Interrupt */
-HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
+  __HAL_UART_ENABLE_IT(huart, UART_IT_RXNE);
-{
-  uint32_t *tmp;
+  return HAL_OK;
+}
-  huart->pRxBuffPtr = pData;
-  huart->RxXferSize = Size;
+/**
+  * @brief  Start Receive operation in DMA mode.
-  huart->ErrorCode = HAL_UART_ERROR_NONE;
+  * @note   This function could be called by all HAL UART API providing reception in DMA mode.
-  huart->RxState = HAL_UART_STATE_BUSY_RX;
+  * @note   When calling this function, parameters validity is considered as already checked,
+  *         i.e. Rx State, buffer address, ...
-  /* Set the UART DMA transfer complete callback */
+  *         UART Handle is assumed as Locked.
-  huart->hdmarx->XferCpltCallback = UART_DMAReceiveCplt;
+  * @param  huart UART handle.
+  * @param  pData Pointer to data buffer (u8 or u16 data elements).
-  /* Set the UART DMA Half transfer complete callback */
+  * @param  Size  Amount of data elements (u8 or u16) to be received.
-  huart->hdmarx->XferHalfCpltCallback = UART_DMARxHalfCplt;
+  * @retval HAL status
+  */
-  /* Set the DMA error callback */
+HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
-  huart->hdmarx->XferErrorCallback = UART_DMAError;
+{
+  uint32_t *tmp;
-  /* Set the DMA abort callback */
-  huart->hdmarx->XferAbortCallback = NULL;
+  huart->pRxBuffPtr = pData;
+  huart->RxXferSize = Size;
-  /* Enable the DMA stream */
-  tmp = (uint32_t *)&pData;
+  huart->ErrorCode = HAL_UART_ERROR_NONE;
-  HAL_DMA_Start_IT(huart->hdmarx, (uint32_t)&huart->Instance->DR, *(uint32_t *)tmp, Size);
+  huart->RxState = HAL_UART_STATE_BUSY_RX;
-  /* Clear the Overrun flag just before enabling the DMA Rx request: can be mandatory for the second transfer */
+  /* Set the UART DMA transfer complete callback */
-  __HAL_UART_CLEAR_OREFLAG(huart);
+  huart->hdmarx->XferCpltCallback = UART_DMAReceiveCplt;
-  /* Process Unlocked */
+  /* Set the UART DMA Half transfer complete callback */
-  __HAL_UNLOCK(huart);
+  huart->hdmarx->XferHalfCpltCallback = UART_DMARxHalfCplt;
-  /* Enable the UART Parity Error Interrupt */
+  /* Set the DMA error callback */
-  SET_BIT(huart->Instance->CR1, USART_CR1_PEIE);
+  huart->hdmarx->XferErrorCallback = UART_DMAError;
-  /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */
+  /* Set the DMA abort callback */
-  SET_BIT(huart->Instance->CR3, USART_CR3_EIE);
+  huart->hdmarx->XferAbortCallback = NULL;
-  /* Enable the DMA transfer for the receiver request by setting the DMAR bit
+  /* Enable the DMA stream */
-  in the UART CR3 register */
+  tmp = (uint32_t *)&pData;
-  SET_BIT(huart->Instance->CR3, USART_CR3_DMAR);
+  HAL_DMA_Start_IT(huart->hdmarx, (uint32_t)&huart->Instance->DR, *(uint32_t *)tmp, Size);
-  return HAL_OK;
+  /* Clear the Overrun flag just before enabling the DMA Rx request: can be mandatory for the second transfer */
-}
+  __HAL_UART_CLEAR_OREFLAG(huart);
-/**
+  if (huart->Init.Parity != UART_PARITY_NONE)
-  * @brief  End ongoing Tx transfer on UART peripheral (following error detection or Transmit completion).
+  {
-  * @param  huart UART handle.
+    /* Enable the UART Parity Error Interrupt */
-  * @retval None
+    ATOMIC_SET_BIT(huart->Instance->CR1, USART_CR1_PEIE);
-  */
+  }
-static void UART_EndTxTransfer(UART_HandleTypeDef *huart)
-{
+  /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */
-  /* Disable TXEIE and TCIE interrupts */
+  ATOMIC_SET_BIT(huart->Instance->CR3, USART_CR3_EIE);
-  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
+  /* Enable the DMA transfer for the receiver request by setting the DMAR bit
-  /* At end of Tx process, restore huart->gState to Ready */
+  in the UART CR3 register */
-  huart->gState = HAL_UART_STATE_READY;
+  ATOMIC_SET_BIT(huart->Instance->CR3, USART_CR3_DMAR);
-}
+  return HAL_OK;
-/**
+}
-  * @brief  End ongoing Rx transfer on UART peripheral (following error detection or Reception completion).
-  * @param  huart UART handle.
+/**
-  * @retval None
+  * @brief  End ongoing Tx transfer on UART peripheral (following error detection or Transmit completion).
-  */
+  * @param  huart UART handle.
-static void UART_EndRxTransfer(UART_HandleTypeDef *huart)
+  * @retval None
-{
+  */
-  /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
+static void UART_EndTxTransfer(UART_HandleTypeDef *huart)
-  CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
+{
-  CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
+  /* Disable TXEIE and TCIE interrupts */
+  ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE));
-  /* In case of reception waiting for IDLE event, disable also the IDLE IE interrupt source */
-  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
+  /* At end of Tx process, restore huart->gState to Ready */
-  {
+  huart->gState = HAL_UART_STATE_READY;
-    CLEAR_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
+}
-  }
+/**
-  /* At end of Rx process, restore huart->RxState to Ready */
+  * @brief  End ongoing Rx transfer on UART peripheral (following error detection or Reception completion).
-  huart->RxState = HAL_UART_STATE_READY;
+  * @param  huart UART handle.
-  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+  * @retval None
-}
+  */
+static void UART_EndRxTransfer(UART_HandleTypeDef *huart)
-/**
+{
-  * @brief  DMA UART communication abort callback, when initiated by HAL services on Error
+  /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */
-  *         (To be called at end of DMA Abort procedure following error occurrence).
+  ATOMIC_CLEAR_BIT(huart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE));
-  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
+  ATOMIC_CLEAR_BIT(huart->Instance->CR3, USART_CR3_EIE);
-  *               the configuration information for the specified DMA module.
-  * @retval None
+  /* In case of reception waiting for IDLE event, disable also the IDLE IE interrupt source */
-  */
+  if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-static void UART_DMAAbortOnError(DMA_HandleTypeDef *hdma)
+  {
-{
+    ATOMIC_CLEAR_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
-  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+  }
-  huart->RxXferCount = 0x00U;
-  huart->TxXferCount = 0x00U;
+  /* At end of Rx process, restore huart->RxState to Ready */
+  huart->RxState = HAL_UART_STATE_READY;
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-  /*Call registered error callback*/
+}
-  huart->ErrorCallback(huart);
-#else
+/**
-  /*Call legacy weak error callback*/
+  * @brief  DMA UART communication abort callback, when initiated by HAL services on Error
-  HAL_UART_ErrorCallback(huart);
+  *         (To be called at end of DMA Abort procedure following error occurrence).
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-}
+  *               the configuration information for the specified DMA module.
+  * @retval None
-/**
+  */
-  * @brief  DMA UART Tx communication abort callback, when initiated by user
+static void UART_DMAAbortOnError(DMA_HandleTypeDef *hdma)
-  *         (To be called at end of DMA Tx Abort procedure following user abort request).
+{
-  * @note   When this callback is executed, User Abort complete call back is called only if no
+  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-  *         Abort still ongoing for Rx DMA Handle.
+  huart->RxXferCount = 0x00U;
-  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
+  huart->TxXferCount = 0x00U;
-  *               the configuration information for the specified DMA module.
-  * @retval None
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  */
+  /*Call registered error callback*/
-static void UART_DMATxAbortCallback(DMA_HandleTypeDef *hdma)
+  huart->ErrorCallback(huart);
-{
+#else
-  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+  /*Call legacy weak error callback*/
+  HAL_UART_ErrorCallback(huart);
-  huart->hdmatx->XferAbortCallback = NULL;
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+}
-  /* Check if an Abort process is still ongoing */
-  if (huart->hdmarx != NULL)
+/**
-  {
+  * @brief  DMA UART Tx communication abort callback, when initiated by user
-    if (huart->hdmarx->XferAbortCallback != NULL)
+  *         (To be called at end of DMA Tx Abort procedure following user abort request).
-    {
+  * @note   When this callback is executed, User Abort complete call back is called only if no
-      return;
+  *         Abort still ongoing for Rx DMA Handle.
-    }
+  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-  }
+  *               the configuration information for the specified DMA module.
+  * @retval None
-  /* No Abort process still ongoing : All DMA channels are aborted, call user Abort Complete callback */
+  */
-  huart->TxXferCount = 0x00U;
+static void UART_DMATxAbortCallback(DMA_HandleTypeDef *hdma)
-  huart->RxXferCount = 0x00U;
+{
+  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-  /* Reset ErrorCode */
-  huart->ErrorCode = HAL_UART_ERROR_NONE;
+  huart->hdmatx->XferAbortCallback = NULL;
-  /* Restore huart->gState and huart->RxState to Ready */
+  /* Check if an Abort process is still ongoing */
-  huart->gState  = HAL_UART_STATE_READY;
+  if (huart->hdmarx != NULL)
-  huart->RxState = HAL_UART_STATE_READY;
+  {
-  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+    if (huart->hdmarx->XferAbortCallback != NULL)
+    {
-  /* Call user Abort complete callback */
+      return;
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+    }
-  /* Call registered Abort complete callback */
+  }
-  huart->AbortCpltCallback(huart);
-#else
+  /* No Abort process still ongoing : All DMA channels are aborted, call user Abort Complete callback */
-  /* Call legacy weak Abort complete callback */
+  huart->TxXferCount = 0x00U;
-  HAL_UART_AbortCpltCallback(huart);
+  huart->RxXferCount = 0x00U;
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-}
+  /* Reset ErrorCode */
+  huart->ErrorCode = HAL_UART_ERROR_NONE;
-/**
-  * @brief  DMA UART Rx communication abort callback, when initiated by user
+  /* Restore huart->gState and huart->RxState to Ready */
-  *         (To be called at end of DMA Rx Abort procedure following user abort request).
+  huart->gState  = HAL_UART_STATE_READY;
-  * @note   When this callback is executed, User Abort complete call back is called only if no
+  huart->RxState = HAL_UART_STATE_READY;
-  *         Abort still ongoing for Tx DMA Handle.
+  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-  *               the configuration information for the specified DMA module.
+  /* Call user Abort complete callback */
-  * @retval None
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  */
+  /* Call registered Abort complete callback */
-static void UART_DMARxAbortCallback(DMA_HandleTypeDef *hdma)
+  huart->AbortCpltCallback(huart);
-{
+#else
-  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+  /* Call legacy weak Abort complete callback */
+  HAL_UART_AbortCpltCallback(huart);
-  huart->hdmarx->XferAbortCallback = NULL;
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+}
-  /* Check if an Abort process is still ongoing */
-  if (huart->hdmatx != NULL)
+/**
-  {
+  * @brief  DMA UART Rx communication abort callback, when initiated by user
-    if (huart->hdmatx->XferAbortCallback != NULL)
+  *         (To be called at end of DMA Rx Abort procedure following user abort request).
-    {
+  * @note   When this callback is executed, User Abort complete call back is called only if no
-      return;
+  *         Abort still ongoing for Tx DMA Handle.
-    }
+  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-  }
+  *               the configuration information for the specified DMA module.
+  * @retval None
-  /* No Abort process still ongoing : All DMA channels are aborted, call user Abort Complete callback */
+  */
-  huart->TxXferCount = 0x00U;
+static void UART_DMARxAbortCallback(DMA_HandleTypeDef *hdma)
-  huart->RxXferCount = 0x00U;
+{
+  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-  /* Reset ErrorCode */
-  huart->ErrorCode = HAL_UART_ERROR_NONE;
+  huart->hdmarx->XferAbortCallback = NULL;
-  /* Restore huart->gState and huart->RxState to Ready */
+  /* Check if an Abort process is still ongoing */
-  huart->gState  = HAL_UART_STATE_READY;
+  if (huart->hdmatx != NULL)
-  huart->RxState = HAL_UART_STATE_READY;
+  {
-  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+    if (huart->hdmatx->XferAbortCallback != NULL)
+    {
-  /* Call user Abort complete callback */
+      return;
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+    }
-  /* Call registered Abort complete callback */
+  }
-  huart->AbortCpltCallback(huart);
-#else
+  /* No Abort process still ongoing : All DMA channels are aborted, call user Abort Complete callback */
-  /* Call legacy weak Abort complete callback */
+  huart->TxXferCount = 0x00U;
-  HAL_UART_AbortCpltCallback(huart);
+  huart->RxXferCount = 0x00U;
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-}
+  /* Reset ErrorCode */
+  huart->ErrorCode = HAL_UART_ERROR_NONE;
-/**
-  * @brief  DMA UART Tx communication abort callback, when initiated by user by a call to
+  /* Restore huart->gState and huart->RxState to Ready */
-  *         HAL_UART_AbortTransmit_IT API (Abort only Tx transfer)
+  huart->gState  = HAL_UART_STATE_READY;
-  *         (This callback is executed at end of DMA Tx Abort procedure following user abort request,
+  huart->RxState = HAL_UART_STATE_READY;
-  *         and leads to user Tx Abort Complete callback execution).
+  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-  *               the configuration information for the specified DMA module.
+  /* Call user Abort complete callback */
-  * @retval None
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  */
+  /* Call registered Abort complete callback */
-static void UART_DMATxOnlyAbortCallback(DMA_HandleTypeDef *hdma)
+  huart->AbortCpltCallback(huart);
-{
+#else
-  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+  /* Call legacy weak Abort complete callback */
+  HAL_UART_AbortCpltCallback(huart);
-  huart->TxXferCount = 0x00U;
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+}
-  /* Restore huart->gState to Ready */
-  huart->gState = HAL_UART_STATE_READY;
+/**
+  * @brief  DMA UART Tx communication abort callback, when initiated by user by a call to
-  /* Call user Abort complete callback */
+  *         HAL_UART_AbortTransmit_IT API (Abort only Tx transfer)
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  *         (This callback is executed at end of DMA Tx Abort procedure following user abort request,
-  /* Call registered Abort Transmit Complete Callback */
+  *         and leads to user Tx Abort Complete callback execution).
-  huart->AbortTransmitCpltCallback(huart);
+  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-#else
+  *               the configuration information for the specified DMA module.
-  /* Call legacy weak Abort Transmit Complete Callback */
+  * @retval None
-  HAL_UART_AbortTransmitCpltCallback(huart);
+  */
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+static void UART_DMATxOnlyAbortCallback(DMA_HandleTypeDef *hdma)
-}
+{
+  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-/**
-  * @brief  DMA UART Rx communication abort callback, when initiated by user by a call to
+  huart->TxXferCount = 0x00U;
-  *         HAL_UART_AbortReceive_IT API (Abort only Rx transfer)
-  *         (This callback is executed at end of DMA Rx Abort procedure following user abort request,
+  /* Restore huart->gState to Ready */
-  *         and leads to user Rx Abort Complete callback execution).
+  huart->gState = HAL_UART_STATE_READY;
-  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-  *               the configuration information for the specified DMA module.
+  /* Call user Abort complete callback */
-  * @retval None
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  */
+  /* Call registered Abort Transmit Complete Callback */
-static void UART_DMARxOnlyAbortCallback(DMA_HandleTypeDef *hdma)
+  huart->AbortTransmitCpltCallback(huart);
-{
+#else
-  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+  /* Call legacy weak Abort Transmit Complete Callback */
+  HAL_UART_AbortTransmitCpltCallback(huart);
-  huart->RxXferCount = 0x00U;
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+}
-  /* Restore huart->RxState to Ready */
-  huart->RxState = HAL_UART_STATE_READY;
+/**
-  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+  * @brief  DMA UART Rx communication abort callback, when initiated by user by a call to
+  *         HAL_UART_AbortReceive_IT API (Abort only Rx transfer)
-  /* Call user Abort complete callback */
+  *         (This callback is executed at end of DMA Rx Abort procedure following user abort request,
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+  *         and leads to user Rx Abort Complete callback execution).
-  /* Call registered Abort Receive Complete Callback */
+  * @param  hdma  Pointer to a DMA_HandleTypeDef structure that contains
-  huart->AbortReceiveCpltCallback(huart);
+  *               the configuration information for the specified DMA module.
-#else
+  * @retval None
-  /* Call legacy weak Abort Receive Complete Callback */
+  */
-  HAL_UART_AbortReceiveCpltCallback(huart);
+static void UART_DMARxOnlyAbortCallback(DMA_HandleTypeDef *hdma)
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+{
-}
+  UART_HandleTypeDef *huart = (UART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-/**
+  huart->RxXferCount = 0x00U;
-  * @brief  Sends an amount of data in non blocking mode.
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+  /* Restore huart->RxState to Ready */
-  *                the configuration information for the specified UART module.
+  huart->RxState = HAL_UART_STATE_READY;
-  * @retval HAL status
+  huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-  */
-static HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart)
+  /* Call user Abort complete callback */
-{
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  uint16_t *tmp;
+  /* Call registered Abort Receive Complete Callback */
+  huart->AbortReceiveCpltCallback(huart);
-  /* Check that a Tx process is ongoing */
+#else
-  if (huart->gState == HAL_UART_STATE_BUSY_TX)
+  /* Call legacy weak Abort Receive Complete Callback */
-  {
+  HAL_UART_AbortReceiveCpltCallback(huart);
-    if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE))
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-    {
+}
-      tmp = (uint16_t *) huart->pTxBuffPtr;
-      huart->Instance->DR = (uint16_t)(*tmp & (uint16_t)0x01FF);
+/**
-      huart->pTxBuffPtr += 2U;
+  * @brief  Sends an amount of data in non blocking mode.
-    }
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-    else
+  *                the configuration information for the specified UART module.
-    {
+  * @retval HAL status
-      huart->Instance->DR = (uint8_t)(*huart->pTxBuffPtr++ & (uint8_t)0x00FF);
+  */
-    }
+static HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart)
+{
-    if (--huart->TxXferCount == 0U)
+  const uint16_t *tmp;
-    {
-      /* Disable the UART Transmit Complete Interrupt */
+  /* Check that a Tx process is ongoing */
-      __HAL_UART_DISABLE_IT(huart, UART_IT_TXE);
+  if (huart->gState == HAL_UART_STATE_BUSY_TX)
+  {
-      /* Enable the UART Transmit Complete Interrupt */
+    if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE))
-      __HAL_UART_ENABLE_IT(huart, UART_IT_TC);
+    {
-    }
+      tmp = (const uint16_t *) huart->pTxBuffPtr;
-    return HAL_OK;
+      huart->Instance->DR = (uint16_t)(*tmp & (uint16_t)0x01FF);
-  }
+      huart->pTxBuffPtr += 2U;
-  else
+    }
-  {
+    else
-    return HAL_BUSY;
+    {
-  }
+      huart->Instance->DR = (uint8_t)(*huart->pTxBuffPtr++ & (uint8_t)0x00FF);
-}
+    }
-/**
+    if (--huart->TxXferCount == 0U)
-  * @brief  Wraps up transmission in non blocking mode.
+    {
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+      /* Disable the UART Transmit Data Register Empty Interrupt */
-  *                the configuration information for the specified UART module.
+      __HAL_UART_DISABLE_IT(huart, UART_IT_TXE);
-  * @retval HAL status
-  */
+      /* Enable the UART Transmit Complete Interrupt */
-static HAL_StatusTypeDef UART_EndTransmit_IT(UART_HandleTypeDef *huart)
+      __HAL_UART_ENABLE_IT(huart, UART_IT_TC);
-{
+    }
-  /* Disable the UART Transmit Complete Interrupt */
+    return HAL_OK;
-  __HAL_UART_DISABLE_IT(huart, UART_IT_TC);
+  }
+  else
-  /* Tx process is ended, restore huart->gState to Ready */
+  {
-  huart->gState = HAL_UART_STATE_READY;
+    return HAL_BUSY;
+  }
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+}
-  /*Call registered Tx complete callback*/
-  huart->TxCpltCallback(huart);
+/**
-#else
+  * @brief  Wraps up transmission in non blocking mode.
-  /*Call legacy weak Tx complete callback*/
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  HAL_UART_TxCpltCallback(huart);
+  *                the configuration information for the specified UART module.
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+  * @retval HAL status
+  */
-  return HAL_OK;
+static HAL_StatusTypeDef UART_EndTransmit_IT(UART_HandleTypeDef *huart)
-}
+{
+  /* Disable the UART Transmit Complete Interrupt */
-/**
+  __HAL_UART_DISABLE_IT(huart, UART_IT_TC);
-  * @brief  Receives an amount of data in non blocking mode
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+  /* Tx process is ended, restore huart->gState to Ready */
-  *                the configuration information for the specified UART module.
+  huart->gState = HAL_UART_STATE_READY;
-  * @retval HAL status
-  */
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-static HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart)
+  /*Call registered Tx complete callback*/
-{
+  huart->TxCpltCallback(huart);
-  uint8_t  *pdata8bits;
+#else
-  uint16_t *pdata16bits;
+  /*Call legacy weak Tx complete callback*/
+  HAL_UART_TxCpltCallback(huart);
-  /* Check that a Rx process is ongoing */
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-  if (huart->RxState == HAL_UART_STATE_BUSY_RX)
-  {
+  return HAL_OK;
-    if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE))
+}
-    {
-      pdata8bits  = NULL;
+/**
-      pdata16bits = (uint16_t *) huart->pRxBuffPtr;
+  * @brief  Receives an amount of data in non blocking mode
-      *pdata16bits = (uint16_t)(huart->Instance->DR & (uint16_t)0x01FF);
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-      huart->pRxBuffPtr += 2U;
+  *                the configuration information for the specified UART module.
-    }
+  * @retval HAL status
-    else
+  */
-    {
+static HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart)
-      pdata8bits = (uint8_t *) huart->pRxBuffPtr;
+{
-      pdata16bits  = NULL;
+  uint8_t  *pdata8bits;
+  uint16_t *pdata16bits;
-      if ((huart->Init.WordLength == UART_WORDLENGTH_9B) || ((huart->Init.WordLength == UART_WORDLENGTH_8B) && (huart->Init.Parity == UART_PARITY_NONE)))
-      {
+  /* Check that a Rx process is ongoing */
-        *pdata8bits = (uint8_t)(huart->Instance->DR & (uint8_t)0x00FF);
+  if (huart->RxState == HAL_UART_STATE_BUSY_RX)
-      }
+  {
-      else
+    if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE))
-      {
+    {
-        *pdata8bits = (uint8_t)(huart->Instance->DR & (uint8_t)0x007F);
+      pdata8bits  = NULL;
-      }
+      pdata16bits = (uint16_t *) huart->pRxBuffPtr;
-      huart->pRxBuffPtr += 1U;
+      *pdata16bits = (uint16_t)(huart->Instance->DR & (uint16_t)0x01FF);
-    }
+      huart->pRxBuffPtr += 2U;
+    }
-    if (--huart->RxXferCount == 0U)
+    else
     {
-      /* Disable the UART Data Register not empty Interrupt */
+      pdata8bits = (uint8_t *) huart->pRxBuffPtr;
-      __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE);
+      pdata16bits  = NULL;
-      /* Disable the UART Parity Error Interrupt */
+      if ((huart->Init.WordLength == UART_WORDLENGTH_9B) || ((huart->Init.WordLength == UART_WORDLENGTH_8B) && (huart->Init.Parity == UART_PARITY_NONE)))
-      __HAL_UART_DISABLE_IT(huart, UART_IT_PE);
+      {
+        *pdata8bits = (uint8_t)(huart->Instance->DR & (uint8_t)0x00FF);
-      /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */
+      }
-      __HAL_UART_DISABLE_IT(huart, UART_IT_ERR);
+      else
+      {
-      /* Rx process is completed, restore huart->RxState to Ready */
+        *pdata8bits = (uint8_t)(huart->Instance->DR & (uint8_t)0x007F);
-      huart->RxState = HAL_UART_STATE_READY;
+      }
+      huart->pRxBuffPtr += 1U;
-      /* Check current reception Mode :
+    }
-         If Reception till IDLE event has been selected : */
-      if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
+    if (--huart->RxXferCount == 0U)
-      {
+    {
-        /* Set reception type to Standard */
+      /* Disable the UART Data Register not empty Interrupt */
-        huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
+      __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE);
-        /* Disable IDLE interrupt */
+      /* Disable the UART Parity Error Interrupt */
-        CLEAR_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
+      __HAL_UART_DISABLE_IT(huart, UART_IT_PE);
-        /* Check if IDLE flag is set */
+      /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */
-        if (__HAL_UART_GET_FLAG(huart, UART_FLAG_IDLE))
+      __HAL_UART_DISABLE_IT(huart, UART_IT_ERR);
-        {
-          /* Clear IDLE flag in ISR */
+      /* Rx process is completed, restore huart->RxState to Ready */
-          __HAL_UART_CLEAR_IDLEFLAG(huart);
+      huart->RxState = HAL_UART_STATE_READY;
-        }
+      /* Initialize type of RxEvent to Transfer Complete */
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
+      huart->RxEventType = HAL_UART_RXEVENT_TC;
-        /*Call registered Rx Event callback*/
-        huart->RxEventCallback(huart, huart->RxXferSize);
+      /* Check current reception Mode :
-#else
+         If Reception till IDLE event has been selected : */
-        /*Call legacy weak Rx Event callback*/
+      if (huart->ReceptionType == HAL_UART_RECEPTION_TOIDLE)
-        HAL_UARTEx_RxEventCallback(huart, huart->RxXferSize);
+      {
-#endif
+        /* Set reception type to Standard */
-      }
+        huart->ReceptionType = HAL_UART_RECEPTION_STANDARD;
-      else
-      {
+        /* Disable IDLE interrupt */
-       /* Standard reception API called */
+        ATOMIC_CLEAR_BIT(huart->Instance->CR1, USART_CR1_IDLEIE);
-#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-       /*Call registered Rx complete callback*/
+        /* Check if IDLE flag is set */
-       huart->RxCpltCallback(huart);
+        if (__HAL_UART_GET_FLAG(huart, UART_FLAG_IDLE))
-#else
+        {
-       /*Call legacy weak Rx complete callback*/
+          /* Clear IDLE flag in ISR */
-       HAL_UART_RxCpltCallback(huart);
+          __HAL_UART_CLEAR_IDLEFLAG(huart);
-#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
+        }
-      }
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-      return HAL_OK;
+        /*Call registered Rx Event callback*/
-    }
+        huart->RxEventCallback(huart, huart->RxXferSize);
-    return HAL_OK;
+#else
-  }
+        /*Call legacy weak Rx Event callback*/
-  else
+        HAL_UARTEx_RxEventCallback(huart, huart->RxXferSize);
-  {
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-    return HAL_BUSY;
+      }
-  }
+      else
-}
+      {
+        /* Standard reception API called */
-/**
+#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
-  * @brief  Configures the UART peripheral.
+        /*Call registered Rx complete callback*/
-  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
+        huart->RxCpltCallback(huart);
-  *                the configuration information for the specified UART module.
+#else
-  * @retval None
+        /*Call legacy weak Rx complete callback*/
-  */
+        HAL_UART_RxCpltCallback(huart);
-static void UART_SetConfig(UART_HandleTypeDef *huart)
+#endif /* USE_HAL_UART_REGISTER_CALLBACKS */
-{
+      }
-  uint32_t tmpreg;
-  uint32_t pclk;
+      return HAL_OK;
+    }
-  /* Check the parameters */
+    return HAL_OK;
-  assert_param(IS_UART_BAUDRATE(huart->Init.BaudRate));
+  }
-  assert_param(IS_UART_STOPBITS(huart->Init.StopBits));
+  else
-  assert_param(IS_UART_PARITY(huart->Init.Parity));
+  {
-  assert_param(IS_UART_MODE(huart->Init.Mode));
+    return HAL_BUSY;
+  }
-  /*-------------------------- USART CR2 Configuration -----------------------*/
+}
-  /* Configure the UART Stop Bits: Set STOP[13:12] bits
-     according to huart->Init.StopBits value */
+/**
-  MODIFY_REG(huart->Instance->CR2, USART_CR2_STOP, huart->Init.StopBits);
+  * @brief  Configures the UART peripheral.
+  * @param  huart  Pointer to a UART_HandleTypeDef structure that contains
-  /*-------------------------- USART CR1 Configuration -----------------------*/
+  *                the configuration information for the specified UART module.
-  /* Configure the UART Word Length, Parity and mode:
+  * @retval None
-     Set the M bits according to huart->Init.WordLength value
+  */
-     Set PCE and PS bits according to huart->Init.Parity value
+static void UART_SetConfig(UART_HandleTypeDef *huart)
-     Set TE and RE bits according to huart->Init.Mode value
+{
-     Set OVER8 bit according to huart->Init.OverSampling value */
+  uint32_t tmpreg;
+  uint32_t pclk;
-#if defined(USART_CR1_OVER8)
-  tmpreg = (uint32_t)huart->Init.WordLength | huart->Init.Parity | huart->Init.Mode | huart->Init.OverSampling;
+  /* Check the parameters */
-  MODIFY_REG(huart->Instance->CR1,
+  assert_param(IS_UART_BAUDRATE(huart->Init.BaudRate));
-             (uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8),
+  assert_param(IS_UART_STOPBITS(huart->Init.StopBits));
-             tmpreg);
+  assert_param(IS_UART_PARITY(huart->Init.Parity));
-#else
+  assert_param(IS_UART_MODE(huart->Init.Mode));
-  tmpreg = (uint32_t)huart->Init.WordLength | huart->Init.Parity | huart->Init.Mode;
-  MODIFY_REG(huart->Instance->CR1,
+  /*-------------------------- USART CR2 Configuration -----------------------*/
-             (uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | USART_CR1_RE),
+  /* Configure the UART Stop Bits: Set STOP[13:12] bits
-             tmpreg);
+     according to huart->Init.StopBits value */
-#endif /* USART_CR1_OVER8 */
+  MODIFY_REG(huart->Instance->CR2, USART_CR2_STOP, huart->Init.StopBits);
-  /*-------------------------- USART CR3 Configuration -----------------------*/
+  /*-------------------------- USART CR1 Configuration -----------------------*/
-  /* Configure the UART HFC: Set CTSE and RTSE bits according to huart->Init.HwFlowCtl value */
+  /* Configure the UART Word Length, Parity and mode:
-  MODIFY_REG(huart->Instance->CR3, (USART_CR3_RTSE | USART_CR3_CTSE), huart->Init.HwFlowCtl);
+     Set the M bits according to huart->Init.WordLength value
+     Set PCE and PS bits according to huart->Init.Parity value
+     Set TE and RE bits according to huart->Init.Mode value
-  if(huart->Instance == USART1)
+     Set OVER8 bit according to huart->Init.OverSampling value */
-  {
-    pclk = HAL_RCC_GetPCLK2Freq();
+#if defined(USART_CR1_OVER8)
-  }
+  tmpreg = (uint32_t)huart->Init.WordLength | huart->Init.Parity | huart->Init.Mode | huart->Init.OverSampling;
-  else
+  MODIFY_REG(huart->Instance->CR1,
-  {
+             (uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8),
-    pclk = HAL_RCC_GetPCLK1Freq();
+             tmpreg);
-  }
+#else
+  tmpreg = (uint32_t)huart->Init.WordLength | huart->Init.Parity | huart->Init.Mode;
-  /*-------------------------- USART BRR Configuration ---------------------*/
+  MODIFY_REG(huart->Instance->CR1,
-#if defined(USART_CR1_OVER8)
+             (uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | USART_CR1_RE),
-  if (huart->Init.OverSampling == UART_OVERSAMPLING_8)
+             tmpreg);
-  {
+#endif /* USART_CR1_OVER8 */
-    huart->Instance->BRR = UART_BRR_SAMPLING8(pclk, huart->Init.BaudRate);
-  }
+  /*-------------------------- USART CR3 Configuration -----------------------*/
-  else
+  /* Configure the UART HFC: Set CTSE and RTSE bits according to huart->Init.HwFlowCtl value */
-  {
+  MODIFY_REG(huart->Instance->CR3, (USART_CR3_RTSE | USART_CR3_CTSE), huart->Init.HwFlowCtl);
-    huart->Instance->BRR = UART_BRR_SAMPLING16(pclk, huart->Init.BaudRate);
-  }
-#else
+  if(huart->Instance == USART1)
-  huart->Instance->BRR = UART_BRR_SAMPLING16(pclk, huart->Init.BaudRate);
+  {
-#endif /* USART_CR1_OVER8 */
+    pclk = HAL_RCC_GetPCLK2Freq();
-}
+  }
+  else
-/**
+  {
-  * @}
+    pclk = HAL_RCC_GetPCLK1Freq();
-  */
+  }
-#endif /* HAL_UART_MODULE_ENABLED */
+  /*-------------------------- USART BRR Configuration ---------------------*/
-/**
+#if defined(USART_CR1_OVER8)
-  * @}
+  if (huart->Init.OverSampling == UART_OVERSAMPLING_8)
-  */
+  {
+    huart->Instance->BRR = UART_BRR_SAMPLING8(pclk, huart->Init.BaudRate);
-/**
+  }
-  * @}
+  else
-  */
+  {
+    huart->Instance->BRR = UART_BRR_SAMPLING16(pclk, huart->Init.BaudRate);
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+  }
+#else
+  huart->Instance->BRR = UART_BRR_SAMPLING16(pclk, huart->Init.BaudRate);
+#endif /* USART_CR1_OVER8 */
+}
+/**
+  * @}
+  */
+#endif /* HAL_UART_MODULE_ENABLED */
+/**
+  * @}
+  */
+/**
+  * @}
+  */

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(root)/trunk/Drivers/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_uart.c – Rev 2 → 18