WebSVN – DashDisplay – Diff – /branches/Dashboard_L152_v2/Drivers/STM32L1xx_HAL_Driver/Src/stm32l1xx_hal_pcd.c

 /**
   ******************************************************************************
   * @file    stm32l1xx_hal_pcd.c
   * @author  MCD Application Team
   * @brief   PCD HAL module driver.
   *          This file provides firmware functions to manage the following
   *          functionalities of the USB Peripheral Controller:
   *           + Initialization and de-initialization functions
   *           + IO operation functions
   *           + Peripheral Control functions
   *           + Peripheral State functions
   *
-  @verbatim
+  ******************************************************************************
-  ==============================================================================
+  * @attention
-                    ##### How to use this driver #####
+  *
-  ==============================================================================
+  * Copyright (c) 2016 STMicroelectronics.
-    [..]
+  * All rights reserved.
-      The PCD HAL driver can be used as follows:
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
-     (#) Declare a PCD_HandleTypeDef handle structure, for example:
+  * in the root directory of this software component.
-         PCD_HandleTypeDef  hpcd;
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
-     (#) Fill parameters of Init structure in HCD handle
+  ******************************************************************************
+  @verbatim
-     (#) Call HAL_PCD_Init() API to initialize the PCD peripheral (Core, Device core, ...)
+  ==============================================================================
+                    ##### How to use this driver #####
-     (#) Initialize the PCD low level resources through the HAL_PCD_MspInit() API:
+  ==============================================================================
-         (##) Enable the PCD/USB Low Level interface clock using
+    [..]
-              (+++) __HAL_RCC_USB_CLK_ENABLE(); For USB Device only FS peripheral
+      The PCD HAL driver can be used as follows:
-         (##) Initialize the related GPIO clocks
+     (#) Declare a PCD_HandleTypeDef handle structure, for example:
-         (##) Configure PCD pin-out
+         PCD_HandleTypeDef  hpcd;
-         (##) Configure PCD NVIC interrupt
+     (#) Fill parameters of Init structure in HCD handle
-     (#)Associate the Upper USB device stack to the HAL PCD Driver:
-         (##) hpcd.pData = pdev;
+     (#) Call HAL_PCD_Init() API to initialize the PCD peripheral (Core, Device core, ...)
-     (#)Enable PCD transmission and reception:
+     (#) Initialize the PCD low level resources through the HAL_PCD_MspInit() API:
-         (##) HAL_PCD_Start();
+         (##) Enable the PCD/USB Low Level interface clock using
+              (+++) __HAL_RCC_USB_CLK_ENABLE(); For USB Device FS peripheral
-  @endverbatim
-  ******************************************************************************
+         (##) Initialize the related GPIO clocks
-  * @attention
+         (##) Configure PCD pin-out
-  *
+         (##) Configure PCD NVIC interrupt
-  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
-  * All rights reserved.</center></h2>
+     (#)Associate the Upper USB device stack to the HAL PCD Driver:
-  *
+         (##) hpcd.pData = pdev;
-  * This software component is licensed by ST under BSD 3-Clause license,
-  * the "License"; You may not use this file except in compliance with the
+     (#)Enable PCD transmission and reception:
-  * License. You may obtain a copy of the License at:
+         (##) HAL_PCD_Start();
-  *                        opensource.org/licenses/BSD-3-Clause
-  *
+  @endverbatim
   ******************************************************************************
   */
 /* Includes ------------------------------------------------------------------*/
 #include "stm32l1xx_hal.h"
 /** @addtogroup STM32L1xx_HAL_Driver
   * @{
   */
 /** @defgroup PCD PCD
   * @brief PCD HAL module driver
   * @{
   */
 #ifdef HAL_PCD_MODULE_ENABLED
 #if defined (USB)
 /* Private types -------------------------------------------------------------*/
 /* Private variables ---------------------------------------------------------*/
 /* Private constants ---------------------------------------------------------*/
 /* Private macros ------------------------------------------------------------*/
 /** @defgroup PCD_Private_Macros PCD Private Macros
   * @{
   */
 #define PCD_MIN(a, b)  (((a) < (b)) ? (a) : (b))
 #define PCD_MAX(a, b)  (((a) > (b)) ? (a) : (b))
 /**
   * @}
   */
 /* Private functions prototypes ----------------------------------------------*/
 /** @defgroup PCD_Private_Functions PCD Private Functions
   * @{
   */
 static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd);
-static HAL_StatusTypeDef HAL_PCD_EP_DB_Transmit(PCD_HandleTypeDef *hpcd, PCD_EPTypeDef *ep, uint16_t wEPVal);
+#if (USE_USB_DOUBLE_BUFFER == 1U)
-static uint16_t HAL_PCD_EP_DB_Receive(PCD_HandleTypeDef *hpcd, PCD_EPTypeDef *ep, uint16_t wEPVal);
+static HAL_StatusTypeDef HAL_PCD_EP_DB_Transmit(PCD_HandleTypeDef *hpcd, PCD_EPTypeDef *ep, uint16_t wEPVal);
+static uint16_t HAL_PCD_EP_DB_Receive(PCD_HandleTypeDef *hpcd, PCD_EPTypeDef *ep, uint16_t wEPVal);
-/**
+#endif /* (USE_USB_DOUBLE_BUFFER == 1U) */
-  * @}
-  */
+/**
+  * @}
-/* Exported functions --------------------------------------------------------*/
+  */
-/** @defgroup PCD_Exported_Functions PCD Exported Functions
-  * @{
+/* Exported functions --------------------------------------------------------*/
-  */
+/** @defgroup PCD_Exported_Functions PCD Exported Functions
+  * @{
-/** @defgroup PCD_Exported_Functions_Group1 Initialization and de-initialization functions
+  */
-  *  @brief    Initialization and Configuration functions
-  *
+/** @defgroup PCD_Exported_Functions_Group1 Initialization and de-initialization functions
-@verbatim
+  *  @brief    Initialization and Configuration functions
- ===============================================================================
+  *
-            ##### Initialization and de-initialization functions #####
+@verbatim
  ===============================================================================
-    [..]  This section provides functions allowing to:
+            ##### Initialization and de-initialization functions #####
+ ===============================================================================
-@endverbatim
+    [..]  This section provides functions allowing to:
-  * @{
-  */
+@endverbatim
+  * @{
-/**
+  */
-  * @brief  Initializes the PCD according to the specified
-  *         parameters in the PCD_InitTypeDef and initialize the associated handle.
+/**
-  * @param  hpcd PCD handle
+  * @brief  Initializes the PCD according to the specified
-  * @retval HAL status
+  *         parameters in the PCD_InitTypeDef and initialize the associated handle.
-  */
+  * @param  hpcd PCD handle
-HAL_StatusTypeDef HAL_PCD_Init(PCD_HandleTypeDef *hpcd)
+  * @retval HAL status
-{
+  */
-  uint8_t i;
+HAL_StatusTypeDef HAL_PCD_Init(PCD_HandleTypeDef *hpcd)
+{
-  /* Check the PCD handle allocation */
+  uint8_t i;
-  if (hpcd == NULL)
-  {
+  /* Check the PCD handle allocation */
-    return HAL_ERROR;
+  if (hpcd == NULL)
-  }
+  {
+    return HAL_ERROR;
-  /* Check the parameters */
+  }
-  assert_param(IS_PCD_ALL_INSTANCE(hpcd->Instance));
+  /* Check the parameters */
-  if (hpcd->State == HAL_PCD_STATE_RESET)
+  assert_param(IS_PCD_ALL_INSTANCE(hpcd->Instance));
-  {
-    /* Allocate lock resource and initialize it */
+  if (hpcd->State == HAL_PCD_STATE_RESET)
-    hpcd->Lock = HAL_UNLOCKED;
+  {
+    /* Allocate lock resource and initialize it */
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+    hpcd->Lock = HAL_UNLOCKED;
-    hpcd->SOFCallback = HAL_PCD_SOFCallback;
-    hpcd->SetupStageCallback = HAL_PCD_SetupStageCallback;
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-    hpcd->ResetCallback = HAL_PCD_ResetCallback;
+    hpcd->SOFCallback = HAL_PCD_SOFCallback;
-    hpcd->SuspendCallback = HAL_PCD_SuspendCallback;
+    hpcd->SetupStageCallback = HAL_PCD_SetupStageCallback;
-    hpcd->ResumeCallback = HAL_PCD_ResumeCallback;
+    hpcd->ResetCallback = HAL_PCD_ResetCallback;
-    hpcd->ConnectCallback = HAL_PCD_ConnectCallback;
+    hpcd->SuspendCallback = HAL_PCD_SuspendCallback;
-    hpcd->DisconnectCallback = HAL_PCD_DisconnectCallback;
+    hpcd->ResumeCallback = HAL_PCD_ResumeCallback;
-    hpcd->DataOutStageCallback = HAL_PCD_DataOutStageCallback;
+    hpcd->ConnectCallback = HAL_PCD_ConnectCallback;
-    hpcd->DataInStageCallback = HAL_PCD_DataInStageCallback;
+    hpcd->DisconnectCallback = HAL_PCD_DisconnectCallback;
-    hpcd->ISOOUTIncompleteCallback = HAL_PCD_ISOOUTIncompleteCallback;
+    hpcd->DataOutStageCallback = HAL_PCD_DataOutStageCallback;
-    hpcd->ISOINIncompleteCallback = HAL_PCD_ISOINIncompleteCallback;
+    hpcd->DataInStageCallback = HAL_PCD_DataInStageCallback;
+    hpcd->ISOOUTIncompleteCallback = HAL_PCD_ISOOUTIncompleteCallback;
-    if (hpcd->MspInitCallback == NULL)
+    hpcd->ISOINIncompleteCallback = HAL_PCD_ISOINIncompleteCallback;
-    {
-      hpcd->MspInitCallback = HAL_PCD_MspInit;
+    if (hpcd->MspInitCallback == NULL)
-    }
+    {
+      hpcd->MspInitCallback = HAL_PCD_MspInit;
-    /* Init the low level hardware */
+    }
-    hpcd->MspInitCallback(hpcd);
-#else
+    /* Init the low level hardware */
-    /* Init the low level hardware : GPIO, CLOCK, NVIC... */
+    hpcd->MspInitCallback(hpcd);
-    HAL_PCD_MspInit(hpcd);
+#else
-#endif /* (USE_HAL_PCD_REGISTER_CALLBACKS) */
+    /* Init the low level hardware : GPIO, CLOCK, NVIC... */
-  }
+    HAL_PCD_MspInit(hpcd);
+#endif /* (USE_HAL_PCD_REGISTER_CALLBACKS) */
-  hpcd->State = HAL_PCD_STATE_BUSY;
+  }
-  /* Disable the Interrupts */
+  hpcd->State = HAL_PCD_STATE_BUSY;
-  __HAL_PCD_DISABLE(hpcd);
+  /* Disable the Interrupts */
-  /* Init endpoints structures */
+  __HAL_PCD_DISABLE(hpcd);
-  for (i = 0U; i < hpcd->Init.dev_endpoints; i++)
-  {
+  /* Init endpoints structures */
-    /* Init ep structure */
+  for (i = 0U; i < hpcd->Init.dev_endpoints; i++)
-    hpcd->IN_ep[i].is_in = 1U;
+  {
-    hpcd->IN_ep[i].num = i;
+    /* Init ep structure */
-    hpcd->IN_ep[i].tx_fifo_num = i;
+    hpcd->IN_ep[i].is_in = 1U;
-    /* Control until ep is activated */
+    hpcd->IN_ep[i].num = i;
-    hpcd->IN_ep[i].type = EP_TYPE_CTRL;
+    /* Control until ep is activated */
-    hpcd->IN_ep[i].maxpacket = 0U;
+    hpcd->IN_ep[i].type = EP_TYPE_CTRL;
-    hpcd->IN_ep[i].xfer_buff = 0U;
+    hpcd->IN_ep[i].maxpacket = 0U;
-    hpcd->IN_ep[i].xfer_len = 0U;
+    hpcd->IN_ep[i].xfer_buff = 0U;
-  }
+    hpcd->IN_ep[i].xfer_len = 0U;
+  }
-  for (i = 0U; i < hpcd->Init.dev_endpoints; i++)
-  {
+  for (i = 0U; i < hpcd->Init.dev_endpoints; i++)
-    hpcd->OUT_ep[i].is_in = 0U;
+  {
-    hpcd->OUT_ep[i].num = i;
+    hpcd->OUT_ep[i].is_in = 0U;
-    /* Control until ep is activated */
+    hpcd->OUT_ep[i].num = i;
-    hpcd->OUT_ep[i].type = EP_TYPE_CTRL;
+    /* Control until ep is activated */
-    hpcd->OUT_ep[i].maxpacket = 0U;
+    hpcd->OUT_ep[i].type = EP_TYPE_CTRL;
-    hpcd->OUT_ep[i].xfer_buff = 0U;
+    hpcd->OUT_ep[i].maxpacket = 0U;
-    hpcd->OUT_ep[i].xfer_len = 0U;
+    hpcd->OUT_ep[i].xfer_buff = 0U;
-  }
+    hpcd->OUT_ep[i].xfer_len = 0U;
+  }
-  /* Init Device */
-  (void)USB_DevInit(hpcd->Instance, hpcd->Init);
+  /* Init Device */
+  (void)USB_DevInit(hpcd->Instance, hpcd->Init);
-  hpcd->USB_Address = 0U;
-  hpcd->State = HAL_PCD_STATE_READY;
+  hpcd->USB_Address = 0U;
-  return HAL_OK;
+  hpcd->State = HAL_PCD_STATE_READY;
-}
+  return HAL_OK;
+}
-/**
-  * @brief  DeInitializes the PCD peripheral.
+/**
-  * @param  hpcd PCD handle
+  * @brief  DeInitializes the PCD peripheral.
-  * @retval HAL status
+  * @param  hpcd PCD handle
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_DeInit(PCD_HandleTypeDef *hpcd)
+  */
-{
+HAL_StatusTypeDef HAL_PCD_DeInit(PCD_HandleTypeDef *hpcd)
-  /* Check the PCD handle allocation */
+{
-  if (hpcd == NULL)
+  /* Check the PCD handle allocation */
-  {
+  if (hpcd == NULL)
-    return HAL_ERROR;
+  {
-  }
+    return HAL_ERROR;
+  }
-  hpcd->State = HAL_PCD_STATE_BUSY;
+  hpcd->State = HAL_PCD_STATE_BUSY;
-  /* Stop Device */
-  if (USB_StopDevice(hpcd->Instance) != HAL_OK)
+  /* Stop Device */
-  {
+  if (USB_StopDevice(hpcd->Instance) != HAL_OK)
-    return HAL_ERROR;
+  {
-  }
+    return HAL_ERROR;
+  }
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-  if (hpcd->MspDeInitCallback == NULL)
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-  {
+  if (hpcd->MspDeInitCallback == NULL)
-    hpcd->MspDeInitCallback = HAL_PCD_MspDeInit; /* Legacy weak MspDeInit  */
+  {
-  }
+    hpcd->MspDeInitCallback = HAL_PCD_MspDeInit; /* Legacy weak MspDeInit  */
+  }
-  /* DeInit the low level hardware */
-  hpcd->MspDeInitCallback(hpcd);
+  /* DeInit the low level hardware */
-#else
+  hpcd->MspDeInitCallback(hpcd);
-  /* DeInit the low level hardware: CLOCK, NVIC.*/
+#else
-  HAL_PCD_MspDeInit(hpcd);
+  /* DeInit the low level hardware: CLOCK, NVIC.*/
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+  HAL_PCD_MspDeInit(hpcd);
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-  hpcd->State = HAL_PCD_STATE_RESET;
+  hpcd->State = HAL_PCD_STATE_RESET;
-  return HAL_OK;
-}
+  return HAL_OK;
+}
-/**
-  * @brief  Initializes the PCD MSP.
+/**
-  * @param  hpcd PCD handle
+  * @brief  Initializes the PCD MSP.
-  * @retval None
+  * @param  hpcd PCD handle
-  */
+  * @retval None
-__weak void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd)
+  */
-{
+__weak void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd)
-  /* Prevent unused argument(s) compilation warning */
+{
-  UNUSED(hpcd);
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hpcd);
-  /* NOTE : This function should not be modified, when the callback is needed,
-            the HAL_PCD_MspInit could be implemented in the user file
+  /* NOTE : This function should not be modified, when the callback is needed,
-   */
+            the HAL_PCD_MspInit could be implemented in the user file
-}
+   */
+}
-/**
-  * @brief  DeInitializes PCD MSP.
+/**
-  * @param  hpcd PCD handle
+  * @brief  DeInitializes PCD MSP.
-  * @retval None
+  * @param  hpcd PCD handle
-  */
+  * @retval None
-__weak void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd)
+  */
-{
+__weak void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd)
-  /* Prevent unused argument(s) compilation warning */
+{
-  UNUSED(hpcd);
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hpcd);
-  /* NOTE : This function should not be modified, when the callback is needed,
-            the HAL_PCD_MspDeInit could be implemented in the user file
+  /* NOTE : This function should not be modified, when the callback is needed,
-   */
+            the HAL_PCD_MspDeInit could be implemented in the user file
-}
+   */
+}
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-/**
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-  * @brief  Register a User USB PCD Callback
+/**
-  *         To be used instead of the weak predefined callback
+  * @brief  Register a User USB PCD Callback
-  * @param  hpcd USB PCD handle
+  *         To be used instead of the weak predefined callback
-  * @param  CallbackID ID of the callback to be registered
+  * @param  hpcd USB PCD handle
-  *         This parameter can be one of the following values:
+  * @param  CallbackID ID of the callback to be registered
-  *          @arg @ref HAL_PCD_SOF_CB_ID USB PCD SOF callback ID
+  *         This parameter can be one of the following values:
-  *          @arg @ref HAL_PCD_SETUPSTAGE_CB_ID USB PCD Setup callback ID
+  *          @arg @ref HAL_PCD_SOF_CB_ID USB PCD SOF callback ID
-  *          @arg @ref HAL_PCD_RESET_CB_ID USB PCD Reset callback ID
+  *          @arg @ref HAL_PCD_SETUPSTAGE_CB_ID USB PCD Setup callback ID
-  *          @arg @ref HAL_PCD_SUSPEND_CB_ID USB PCD Suspend callback ID
+  *          @arg @ref HAL_PCD_RESET_CB_ID USB PCD Reset callback ID
-  *          @arg @ref HAL_PCD_RESUME_CB_ID USB PCD Resume callback ID
+  *          @arg @ref HAL_PCD_SUSPEND_CB_ID USB PCD Suspend callback ID
-  *          @arg @ref HAL_PCD_CONNECT_CB_ID USB PCD Connect callback ID
+  *          @arg @ref HAL_PCD_RESUME_CB_ID USB PCD Resume callback ID
-  *          @arg @ref HAL_PCD_DISCONNECT_CB_ID OTG PCD Disconnect callback ID
+  *          @arg @ref HAL_PCD_CONNECT_CB_ID USB PCD Connect callback ID
-  *          @arg @ref HAL_PCD_MSPINIT_CB_ID MspDeInit callback ID
+  *          @arg @ref HAL_PCD_DISCONNECT_CB_ID USB PCD Disconnect callback ID
-  *          @arg @ref HAL_PCD_MSPDEINIT_CB_ID MspDeInit callback ID
+  *          @arg @ref HAL_PCD_MSPINIT_CB_ID MspDeInit callback ID
-  * @param  pCallback pointer to the Callback function
+  *          @arg @ref HAL_PCD_MSPDEINIT_CB_ID MspDeInit callback ID
-  * @retval HAL status
+  * @param  pCallback pointer to the Callback function
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_RegisterCallback(PCD_HandleTypeDef *hpcd,
+  */
-                                           HAL_PCD_CallbackIDTypeDef CallbackID,
+HAL_StatusTypeDef HAL_PCD_RegisterCallback(PCD_HandleTypeDef *hpcd,
-                                           pPCD_CallbackTypeDef pCallback)
+                                           HAL_PCD_CallbackIDTypeDef CallbackID,
-{
+                                           pPCD_CallbackTypeDef pCallback)
-  HAL_StatusTypeDef status = HAL_OK;
+{
+  HAL_StatusTypeDef status = HAL_OK;
-  if (pCallback == NULL)
-  {
+  if (pCallback == NULL)
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
-    return HAL_ERROR;
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-  }
+    return HAL_ERROR;
-  /* Process locked */
+  }
-  __HAL_LOCK(hpcd);
+  /* Process locked */
+  __HAL_LOCK(hpcd);
-  if (hpcd->State == HAL_PCD_STATE_READY)
-  {
+  if (hpcd->State == HAL_PCD_STATE_READY)
-    switch (CallbackID)
+  {
-    {
+    switch (CallbackID)
-      case HAL_PCD_SOF_CB_ID :
+    {
-        hpcd->SOFCallback = pCallback;
+      case HAL_PCD_SOF_CB_ID :
-        break;
+        hpcd->SOFCallback = pCallback;
+        break;
-      case HAL_PCD_SETUPSTAGE_CB_ID :
-        hpcd->SetupStageCallback = pCallback;
+      case HAL_PCD_SETUPSTAGE_CB_ID :
-        break;
+        hpcd->SetupStageCallback = pCallback;
+        break;
-      case HAL_PCD_RESET_CB_ID :
-        hpcd->ResetCallback = pCallback;
+      case HAL_PCD_RESET_CB_ID :
-        break;
+        hpcd->ResetCallback = pCallback;
+        break;
-      case HAL_PCD_SUSPEND_CB_ID :
-        hpcd->SuspendCallback = pCallback;
+      case HAL_PCD_SUSPEND_CB_ID :
-        break;
+        hpcd->SuspendCallback = pCallback;
+        break;
-      case HAL_PCD_RESUME_CB_ID :
-        hpcd->ResumeCallback = pCallback;
+      case HAL_PCD_RESUME_CB_ID :
-        break;
+        hpcd->ResumeCallback = pCallback;
+        break;
-      case HAL_PCD_CONNECT_CB_ID :
-        hpcd->ConnectCallback = pCallback;
+      case HAL_PCD_CONNECT_CB_ID :
-        break;
+        hpcd->ConnectCallback = pCallback;
+        break;
-      case HAL_PCD_DISCONNECT_CB_ID :
-        hpcd->DisconnectCallback = pCallback;
+      case HAL_PCD_DISCONNECT_CB_ID :
-        break;
+        hpcd->DisconnectCallback = pCallback;
+        break;
-      case HAL_PCD_MSPINIT_CB_ID :
-        hpcd->MspInitCallback = pCallback;
+      case HAL_PCD_MSPINIT_CB_ID :
-        break;
+        hpcd->MspInitCallback = pCallback;
+        break;
-      case HAL_PCD_MSPDEINIT_CB_ID :
-        hpcd->MspDeInitCallback = pCallback;
+      case HAL_PCD_MSPDEINIT_CB_ID :
-        break;
+        hpcd->MspDeInitCallback = pCallback;
+        break;
-      default :
-        /* Update the error code */
+      default :
-        hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+        /* Update the error code */
-        /* Return error status */
+        hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-        status =  HAL_ERROR;
+        /* Return error status */
-        break;
+        status =  HAL_ERROR;
-    }
+        break;
-  }
+    }
-  else if (hpcd->State == HAL_PCD_STATE_RESET)
+  }
-  {
+  else if (hpcd->State == HAL_PCD_STATE_RESET)
-    switch (CallbackID)
+  {
-    {
+    switch (CallbackID)
-      case HAL_PCD_MSPINIT_CB_ID :
+    {
-        hpcd->MspInitCallback = pCallback;
+      case HAL_PCD_MSPINIT_CB_ID :
-        break;
+        hpcd->MspInitCallback = pCallback;
+        break;
-      case HAL_PCD_MSPDEINIT_CB_ID :
-        hpcd->MspDeInitCallback = pCallback;
+      case HAL_PCD_MSPDEINIT_CB_ID :
-        break;
+        hpcd->MspDeInitCallback = pCallback;
+        break;
-      default :
-        /* Update the error code */
+      default :
-        hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+        /* Update the error code */
-        /* Return error status */
+        hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-        status =  HAL_ERROR;
+        /* Return error status */
-        break;
+        status =  HAL_ERROR;
-    }
+        break;
-  }
+    }
-  else
+  }
-  {
+  else
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
-    /* Return error status */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    status =  HAL_ERROR;
+    /* Return error status */
-  }
+    status =  HAL_ERROR;
+  }
-  /* Release Lock */
-  __HAL_UNLOCK(hpcd);
+  /* Release Lock */
-  return status;
+  __HAL_UNLOCK(hpcd);
-}
+  return status;
+}
-/**
-  * @brief  Unregister an USB PCD Callback
+/**
-  *         USB PCD callabck is redirected to the weak predefined callback
+  * @brief  Unregister an USB PCD Callback
-  * @param  hpcd USB PCD handle
+  *         USB PCD callback is redirected to the weak predefined callback
-  * @param  CallbackID ID of the callback to be unregistered
+  * @param  hpcd USB PCD handle
-  *         This parameter can be one of the following values:
+  * @param  CallbackID ID of the callback to be unregistered
-  *          @arg @ref HAL_PCD_SOF_CB_ID USB PCD SOF callback ID
+  *         This parameter can be one of the following values:
-  *          @arg @ref HAL_PCD_SETUPSTAGE_CB_ID USB PCD Setup callback ID
+  *          @arg @ref HAL_PCD_SOF_CB_ID USB PCD SOF callback ID
-  *          @arg @ref HAL_PCD_RESET_CB_ID USB PCD Reset callback ID
+  *          @arg @ref HAL_PCD_SETUPSTAGE_CB_ID USB PCD Setup callback ID
-  *          @arg @ref HAL_PCD_SUSPEND_CB_ID USB PCD Suspend callback ID
+  *          @arg @ref HAL_PCD_RESET_CB_ID USB PCD Reset callback ID
-  *          @arg @ref HAL_PCD_RESUME_CB_ID USB PCD Resume callback ID
+  *          @arg @ref HAL_PCD_SUSPEND_CB_ID USB PCD Suspend callback ID
-  *          @arg @ref HAL_PCD_CONNECT_CB_ID USB PCD Connect callback ID
+  *          @arg @ref HAL_PCD_RESUME_CB_ID USB PCD Resume callback ID
-  *          @arg @ref HAL_PCD_DISCONNECT_CB_ID OTG PCD Disconnect callback ID
+  *          @arg @ref HAL_PCD_CONNECT_CB_ID USB PCD Connect callback ID
-  *          @arg @ref HAL_PCD_MSPINIT_CB_ID MspDeInit callback ID
+  *          @arg @ref HAL_PCD_DISCONNECT_CB_ID USB PCD Disconnect callback ID
-  *          @arg @ref HAL_PCD_MSPDEINIT_CB_ID MspDeInit callback ID
+  *          @arg @ref HAL_PCD_MSPINIT_CB_ID MspDeInit callback ID
-  * @retval HAL status
+  *          @arg @ref HAL_PCD_MSPDEINIT_CB_ID MspDeInit callback ID
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_UnRegisterCallback(PCD_HandleTypeDef *hpcd, HAL_PCD_CallbackIDTypeDef CallbackID)
+  */
-{
+HAL_StatusTypeDef HAL_PCD_UnRegisterCallback(PCD_HandleTypeDef *hpcd, HAL_PCD_CallbackIDTypeDef CallbackID)
-  HAL_StatusTypeDef status = HAL_OK;
+{
+  HAL_StatusTypeDef status = HAL_OK;
-  /* Process locked */
-  __HAL_LOCK(hpcd);
+  /* Process locked */
+  __HAL_LOCK(hpcd);
-  /* Setup Legacy weak Callbacks  */
-  if (hpcd->State == HAL_PCD_STATE_READY)
+  /* Setup Legacy weak Callbacks  */
-  {
+  if (hpcd->State == HAL_PCD_STATE_READY)
-    switch (CallbackID)
+  {
-    {
+    switch (CallbackID)
-      case HAL_PCD_SOF_CB_ID :
+    {
-        hpcd->SOFCallback = HAL_PCD_SOFCallback;
+      case HAL_PCD_SOF_CB_ID :
-        break;
+        hpcd->SOFCallback = HAL_PCD_SOFCallback;
+        break;
-      case HAL_PCD_SETUPSTAGE_CB_ID :
-        hpcd->SetupStageCallback = HAL_PCD_SetupStageCallback;
+      case HAL_PCD_SETUPSTAGE_CB_ID :
-        break;
+        hpcd->SetupStageCallback = HAL_PCD_SetupStageCallback;
+        break;
-      case HAL_PCD_RESET_CB_ID :
-        hpcd->ResetCallback = HAL_PCD_ResetCallback;
+      case HAL_PCD_RESET_CB_ID :
-        break;
+        hpcd->ResetCallback = HAL_PCD_ResetCallback;
+        break;
-      case HAL_PCD_SUSPEND_CB_ID :
-        hpcd->SuspendCallback = HAL_PCD_SuspendCallback;
+      case HAL_PCD_SUSPEND_CB_ID :
-        break;
+        hpcd->SuspendCallback = HAL_PCD_SuspendCallback;
+        break;
-      case HAL_PCD_RESUME_CB_ID :
-        hpcd->ResumeCallback = HAL_PCD_ResumeCallback;
+      case HAL_PCD_RESUME_CB_ID :
-        break;
+        hpcd->ResumeCallback = HAL_PCD_ResumeCallback;
+        break;
-      case HAL_PCD_CONNECT_CB_ID :
-        hpcd->ConnectCallback = HAL_PCD_ConnectCallback;
+      case HAL_PCD_CONNECT_CB_ID :
-        break;
+        hpcd->ConnectCallback = HAL_PCD_ConnectCallback;
+        break;
-      case HAL_PCD_DISCONNECT_CB_ID :
-        hpcd->DisconnectCallback = HAL_PCD_DisconnectCallback;
+      case HAL_PCD_DISCONNECT_CB_ID :
-        break;
+        hpcd->DisconnectCallback = HAL_PCD_DisconnectCallback;
+        break;
-      case HAL_PCD_MSPINIT_CB_ID :
-        hpcd->MspInitCallback = HAL_PCD_MspInit;
+      case HAL_PCD_MSPINIT_CB_ID :
-        break;
+        hpcd->MspInitCallback = HAL_PCD_MspInit;
+        break;
-      case HAL_PCD_MSPDEINIT_CB_ID :
-        hpcd->MspDeInitCallback = HAL_PCD_MspDeInit;
+      case HAL_PCD_MSPDEINIT_CB_ID :
-        break;
+        hpcd->MspDeInitCallback = HAL_PCD_MspDeInit;
+        break;
-      default :
-        /* Update the error code */
+      default :
-        hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+        /* Update the error code */
+        hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-        /* Return error status */
-        status =  HAL_ERROR;
+        /* Return error status */
-        break;
+        status =  HAL_ERROR;
-    }
+        break;
-  }
+    }
-  else if (hpcd->State == HAL_PCD_STATE_RESET)
+  }
-  {
+  else if (hpcd->State == HAL_PCD_STATE_RESET)
-    switch (CallbackID)
+  {
-    {
+    switch (CallbackID)
-      case HAL_PCD_MSPINIT_CB_ID :
+    {
-        hpcd->MspInitCallback = HAL_PCD_MspInit;
+      case HAL_PCD_MSPINIT_CB_ID :
-        break;
+        hpcd->MspInitCallback = HAL_PCD_MspInit;
+        break;
-      case HAL_PCD_MSPDEINIT_CB_ID :
-        hpcd->MspDeInitCallback = HAL_PCD_MspDeInit;
+      case HAL_PCD_MSPDEINIT_CB_ID :
-        break;
+        hpcd->MspDeInitCallback = HAL_PCD_MspDeInit;
+        break;
-      default :
-        /* Update the error code */
+      default :
-        hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+        /* Update the error code */
+        hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-        /* Return error status */
-        status =  HAL_ERROR;
+        /* Return error status */
-        break;
+        status =  HAL_ERROR;
-    }
+        break;
-  }
+    }
-  else
+  }
-  {
+  else
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    /* Return error status */
-    status =  HAL_ERROR;
+    /* Return error status */
-  }
+    status =  HAL_ERROR;
+  }
-  /* Release Lock */
-  __HAL_UNLOCK(hpcd);
+  /* Release Lock */
-  return status;
+  __HAL_UNLOCK(hpcd);
-}
+  return status;
+}
-/**
-  * @brief  Register USB PCD Data OUT Stage Callback
+/**
-  *         To be used instead of the weak HAL_PCD_DataOutStageCallback() predefined callback
+  * @brief  Register USB PCD Data OUT Stage Callback
-  * @param  hpcd PCD handle
+  *         To be used instead of the weak HAL_PCD_DataOutStageCallback() predefined callback
-  * @param  pCallback pointer to the USB PCD Data OUT Stage Callback function
+  * @param  hpcd PCD handle
-  * @retval HAL status
+  * @param  pCallback pointer to the USB PCD Data OUT Stage Callback function
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_RegisterDataOutStageCallback(PCD_HandleTypeDef *hpcd,
+  */
-                                                       pPCD_DataOutStageCallbackTypeDef pCallback)
+HAL_StatusTypeDef HAL_PCD_RegisterDataOutStageCallback(PCD_HandleTypeDef *hpcd,
-{
+                                                       pPCD_DataOutStageCallbackTypeDef pCallback)
-  HAL_StatusTypeDef status = HAL_OK;
+{
+  HAL_StatusTypeDef status = HAL_OK;
-  if (pCallback == NULL)
-  {
+  if (pCallback == NULL)
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    return HAL_ERROR;
-  }
+    return HAL_ERROR;
+  }
-  /* Process locked */
-  __HAL_LOCK(hpcd);
+  /* Process locked */
+  __HAL_LOCK(hpcd);
-  if (hpcd->State == HAL_PCD_STATE_READY)
-  {
+  if (hpcd->State == HAL_PCD_STATE_READY)
-    hpcd->DataOutStageCallback = pCallback;
+  {
-  }
+    hpcd->DataOutStageCallback = pCallback;
-  else
+  }
-  {
+  else
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    /* Return error status */
-    status =  HAL_ERROR;
+    /* Return error status */
-  }
+    status =  HAL_ERROR;
+  }
-  /* Release Lock */
-  __HAL_UNLOCK(hpcd);
+  /* Release Lock */
+  __HAL_UNLOCK(hpcd);
-  return status;
-}
+  return status;
+}
-/**
-  * @brief  Unregister the USB PCD Data OUT Stage Callback
+/**
-  *         USB PCD Data OUT Stage Callback is redirected to the weak HAL_PCD_DataOutStageCallback() predefined callback
+  * @brief  Unregister the USB PCD Data OUT Stage Callback
-  * @param  hpcd PCD handle
+  *         USB PCD Data OUT Stage Callback is redirected to the weak HAL_PCD_DataOutStageCallback() predefined callback
-  * @retval HAL status
+  * @param  hpcd PCD handle
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_UnRegisterDataOutStageCallback(PCD_HandleTypeDef *hpcd)
+  */
-{
+HAL_StatusTypeDef HAL_PCD_UnRegisterDataOutStageCallback(PCD_HandleTypeDef *hpcd)
-  HAL_StatusTypeDef status = HAL_OK;
+{
+  HAL_StatusTypeDef status = HAL_OK;
-  /* Process locked */
-  __HAL_LOCK(hpcd);
+  /* Process locked */
+  __HAL_LOCK(hpcd);
-  if (hpcd->State == HAL_PCD_STATE_READY)
-  {
+  if (hpcd->State == HAL_PCD_STATE_READY)
-    hpcd->DataOutStageCallback = HAL_PCD_DataOutStageCallback; /* Legacy weak DataOutStageCallback  */
+  {
-  }
+    hpcd->DataOutStageCallback = HAL_PCD_DataOutStageCallback; /* Legacy weak DataOutStageCallback  */
-  else
+  }
-  {
+  else
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    /* Return error status */
-    status =  HAL_ERROR;
+    /* Return error status */
-  }
+    status =  HAL_ERROR;
+  }
-  /* Release Lock */
-  __HAL_UNLOCK(hpcd);
+  /* Release Lock */
+  __HAL_UNLOCK(hpcd);
-  return status;
-}
+  return status;
+}
-/**
-  * @brief  Register USB PCD Data IN Stage Callback
+/**
-  *         To be used instead of the weak HAL_PCD_DataInStageCallback() predefined callback
+  * @brief  Register USB PCD Data IN Stage Callback
-  * @param  hpcd PCD handle
+  *         To be used instead of the weak HAL_PCD_DataInStageCallback() predefined callback
-  * @param  pCallback pointer to the USB PCD Data IN Stage Callback function
+  * @param  hpcd PCD handle
-  * @retval HAL status
+  * @param  pCallback pointer to the USB PCD Data IN Stage Callback function
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_RegisterDataInStageCallback(PCD_HandleTypeDef *hpcd,
+  */
-                                                      pPCD_DataInStageCallbackTypeDef pCallback)
+HAL_StatusTypeDef HAL_PCD_RegisterDataInStageCallback(PCD_HandleTypeDef *hpcd,
-{
+                                                      pPCD_DataInStageCallbackTypeDef pCallback)
-  HAL_StatusTypeDef status = HAL_OK;
+{
+  HAL_StatusTypeDef status = HAL_OK;
-  if (pCallback == NULL)
-  {
+  if (pCallback == NULL)
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    return HAL_ERROR;
-  }
+    return HAL_ERROR;
+  }
-  /* Process locked */
-  __HAL_LOCK(hpcd);
+  /* Process locked */
+  __HAL_LOCK(hpcd);
-  if (hpcd->State == HAL_PCD_STATE_READY)
-  {
+  if (hpcd->State == HAL_PCD_STATE_READY)
-    hpcd->DataInStageCallback = pCallback;
+  {
-  }
+    hpcd->DataInStageCallback = pCallback;
-  else
+  }
-  {
+  else
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    /* Return error status */
-    status =  HAL_ERROR;
+    /* Return error status */
-  }
+    status =  HAL_ERROR;
+  }
-  /* Release Lock */
-  __HAL_UNLOCK(hpcd);
+  /* Release Lock */
+  __HAL_UNLOCK(hpcd);
-  return status;
-}
+  return status;
+}
-/**
-  * @brief  Unregister the USB PCD Data IN Stage Callback
+/**
-  *         USB PCD Data OUT Stage Callback is redirected to the weak HAL_PCD_DataInStageCallback() predefined callback
+  * @brief  Unregister the USB PCD Data IN Stage Callback
-  * @param  hpcd PCD handle
+  *         USB PCD Data OUT Stage Callback is redirected to the weak HAL_PCD_DataInStageCallback() predefined callback
-  * @retval HAL status
+  * @param  hpcd PCD handle
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_UnRegisterDataInStageCallback(PCD_HandleTypeDef *hpcd)
+  */
-{
+HAL_StatusTypeDef HAL_PCD_UnRegisterDataInStageCallback(PCD_HandleTypeDef *hpcd)
-  HAL_StatusTypeDef status = HAL_OK;
+{
+  HAL_StatusTypeDef status = HAL_OK;
-  /* Process locked */
-  __HAL_LOCK(hpcd);
+  /* Process locked */
+  __HAL_LOCK(hpcd);
-  if (hpcd->State == HAL_PCD_STATE_READY)
-  {
+  if (hpcd->State == HAL_PCD_STATE_READY)
-    hpcd->DataInStageCallback = HAL_PCD_DataInStageCallback; /* Legacy weak DataInStageCallback  */
+  {
-  }
+    hpcd->DataInStageCallback = HAL_PCD_DataInStageCallback; /* Legacy weak DataInStageCallback  */
-  else
+  }
-  {
+  else
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    /* Return error status */
-    status =  HAL_ERROR;
+    /* Return error status */
-  }
+    status =  HAL_ERROR;
+  }
-  /* Release Lock */
-  __HAL_UNLOCK(hpcd);
+  /* Release Lock */
+  __HAL_UNLOCK(hpcd);
-  return status;
-}
+  return status;
+}
-/**
-  * @brief  Register USB PCD Iso OUT incomplete Callback
+/**
-  *         To be used instead of the weak HAL_PCD_ISOOUTIncompleteCallback() predefined callback
+  * @brief  Register USB PCD Iso OUT incomplete Callback
-  * @param  hpcd PCD handle
+  *         To be used instead of the weak HAL_PCD_ISOOUTIncompleteCallback() predefined callback
-  * @param  pCallback pointer to the USB PCD Iso OUT incomplete Callback function
+  * @param  hpcd PCD handle
-  * @retval HAL status
+  * @param  pCallback pointer to the USB PCD Iso OUT incomplete Callback function
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_RegisterIsoOutIncpltCallback(PCD_HandleTypeDef *hpcd,
+  */
-                                                       pPCD_IsoOutIncpltCallbackTypeDef pCallback)
+HAL_StatusTypeDef HAL_PCD_RegisterIsoOutIncpltCallback(PCD_HandleTypeDef *hpcd,
-{
+                                                       pPCD_IsoOutIncpltCallbackTypeDef pCallback)
-  HAL_StatusTypeDef status = HAL_OK;
+{
+  HAL_StatusTypeDef status = HAL_OK;
-  if (pCallback == NULL)
-  {
+  if (pCallback == NULL)
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    return HAL_ERROR;
-  }
+    return HAL_ERROR;
+  }
-  /* Process locked */
-  __HAL_LOCK(hpcd);
+  /* Process locked */
+  __HAL_LOCK(hpcd);
-  if (hpcd->State == HAL_PCD_STATE_READY)
-  {
+  if (hpcd->State == HAL_PCD_STATE_READY)
-    hpcd->ISOOUTIncompleteCallback = pCallback;
+  {
-  }
+    hpcd->ISOOUTIncompleteCallback = pCallback;
-  else
+  }
-  {
+  else
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    /* Return error status */
-    status =  HAL_ERROR;
+    /* Return error status */
-  }
+    status =  HAL_ERROR;
+  }
-  /* Release Lock */
-  __HAL_UNLOCK(hpcd);
+  /* Release Lock */
+  __HAL_UNLOCK(hpcd);
-  return status;
-}
+  return status;
+}
-/**
-  * @brief  Unregister the USB PCD Iso OUT incomplete Callback
+/**
-  *         USB PCD Iso OUT incomplete Callback is redirected
+  * @brief  Unregister the USB PCD Iso OUT incomplete Callback
-  *         to the weak HAL_PCD_ISOOUTIncompleteCallback() predefined callback
+  *         USB PCD Iso OUT incomplete Callback is redirected
-  * @param  hpcd PCD handle
+  *         to the weak HAL_PCD_ISOOUTIncompleteCallback() predefined callback
-  * @retval HAL status
+  * @param  hpcd PCD handle
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_UnRegisterIsoOutIncpltCallback(PCD_HandleTypeDef *hpcd)
+  */
-{
+HAL_StatusTypeDef HAL_PCD_UnRegisterIsoOutIncpltCallback(PCD_HandleTypeDef *hpcd)
-  HAL_StatusTypeDef status = HAL_OK;
+{
+  HAL_StatusTypeDef status = HAL_OK;
-  /* Process locked */
-  __HAL_LOCK(hpcd);
+  /* Process locked */
+  __HAL_LOCK(hpcd);
-  if (hpcd->State == HAL_PCD_STATE_READY)
-  {
+  if (hpcd->State == HAL_PCD_STATE_READY)
-    hpcd->ISOOUTIncompleteCallback = HAL_PCD_ISOOUTIncompleteCallback; /* Legacy weak ISOOUTIncompleteCallback  */
+  {
-  }
+    hpcd->ISOOUTIncompleteCallback = HAL_PCD_ISOOUTIncompleteCallback; /* Legacy weak ISOOUTIncompleteCallback  */
-  else
+  }
-  {
+  else
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    /* Return error status */
-    status =  HAL_ERROR;
+    /* Return error status */
-  }
+    status =  HAL_ERROR;
+  }
-  /* Release Lock */
-  __HAL_UNLOCK(hpcd);
+  /* Release Lock */
+  __HAL_UNLOCK(hpcd);
-  return status;
-}
+  return status;
+}
-/**
-  * @brief  Register USB PCD Iso IN incomplete Callback
+/**
-  *         To be used instead of the weak HAL_PCD_ISOINIncompleteCallback() predefined callback
+  * @brief  Register USB PCD Iso IN incomplete Callback
-  * @param  hpcd PCD handle
+  *         To be used instead of the weak HAL_PCD_ISOINIncompleteCallback() predefined callback
-  * @param  pCallback pointer to the USB PCD Iso IN incomplete Callback function
+  * @param  hpcd PCD handle
-  * @retval HAL status
+  * @param  pCallback pointer to the USB PCD Iso IN incomplete Callback function
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_RegisterIsoInIncpltCallback(PCD_HandleTypeDef *hpcd,
+  */
-                                                      pPCD_IsoInIncpltCallbackTypeDef pCallback)
+HAL_StatusTypeDef HAL_PCD_RegisterIsoInIncpltCallback(PCD_HandleTypeDef *hpcd,
-{
+                                                      pPCD_IsoInIncpltCallbackTypeDef pCallback)
-  HAL_StatusTypeDef status = HAL_OK;
+{
+  HAL_StatusTypeDef status = HAL_OK;
-  if (pCallback == NULL)
-  {
+  if (pCallback == NULL)
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    return HAL_ERROR;
-  }
+    return HAL_ERROR;
+  }
-  /* Process locked */
-  __HAL_LOCK(hpcd);
+  /* Process locked */
+  __HAL_LOCK(hpcd);
-  if (hpcd->State == HAL_PCD_STATE_READY)
-  {
+  if (hpcd->State == HAL_PCD_STATE_READY)
-    hpcd->ISOINIncompleteCallback = pCallback;
+  {
-  }
+    hpcd->ISOINIncompleteCallback = pCallback;
-  else
+  }
-  {
+  else
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    /* Return error status */
-    status =  HAL_ERROR;
+    /* Return error status */
-  }
+    status =  HAL_ERROR;
+  }
-  /* Release Lock */
-  __HAL_UNLOCK(hpcd);
+  /* Release Lock */
+  __HAL_UNLOCK(hpcd);
-  return status;
-}
+  return status;
+}
-/**
-  * @brief  Unregister the USB PCD Iso IN incomplete Callback
+/**
-  *         USB PCD Iso IN incomplete Callback is redirected
+  * @brief  Unregister the USB PCD Iso IN incomplete Callback
-  *         to the weak HAL_PCD_ISOINIncompleteCallback() predefined callback
+  *         USB PCD Iso IN incomplete Callback is redirected
-  * @param  hpcd PCD handle
+  *         to the weak HAL_PCD_ISOINIncompleteCallback() predefined callback
-  * @retval HAL status
+  * @param  hpcd PCD handle
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_UnRegisterIsoInIncpltCallback(PCD_HandleTypeDef *hpcd)
+  */
-{
+HAL_StatusTypeDef HAL_PCD_UnRegisterIsoInIncpltCallback(PCD_HandleTypeDef *hpcd)
-  HAL_StatusTypeDef status = HAL_OK;
+{
+  HAL_StatusTypeDef status = HAL_OK;
-  /* Process locked */
-  __HAL_LOCK(hpcd);
+  /* Process locked */
+  __HAL_LOCK(hpcd);
-  if (hpcd->State == HAL_PCD_STATE_READY)
-  {
+  if (hpcd->State == HAL_PCD_STATE_READY)
-    hpcd->ISOINIncompleteCallback = HAL_PCD_ISOINIncompleteCallback; /* Legacy weak ISOINIncompleteCallback  */
+  {
-  }
+    hpcd->ISOINIncompleteCallback = HAL_PCD_ISOINIncompleteCallback; /* Legacy weak ISOINIncompleteCallback  */
-  else
+  }
-  {
+  else
-    /* Update the error code */
+  {
-    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
+    /* Update the error code */
+    hpcd->ErrorCode |= HAL_PCD_ERROR_INVALID_CALLBACK;
-    /* Return error status */
-    status =  HAL_ERROR;
+    /* Return error status */
-  }
+    status =  HAL_ERROR;
+  }
-  /* Release Lock */
-  __HAL_UNLOCK(hpcd);
+  /* Release Lock */
+  __HAL_UNLOCK(hpcd);
-  return status;
-}
+  return status;
+}
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-/**
-  * @}
+/**
-  */
+  * @}
+  */
-/** @defgroup PCD_Exported_Functions_Group2 Input and Output operation functions
-  *  @brief   Data transfers functions
+/** @defgroup PCD_Exported_Functions_Group2 Input and Output operation functions
-  *
+  *  @brief   Data transfers functions
-@verbatim
+  *
- ===============================================================================
+@verbatim
-                      ##### IO operation functions #####
+ ===============================================================================
- ===============================================================================
+                      ##### IO operation functions #####
-    [..]
+ ===============================================================================
-    This subsection provides a set of functions allowing to manage the PCD data
+    [..]
-    transfers.
+    This subsection provides a set of functions allowing to manage the PCD data
+    transfers.
-@endverbatim
-  * @{
+@endverbatim
-  */
+  * @{
+  */
-/**
-  * @brief  Start the USB device
+/**
-  * @param  hpcd PCD handle
+  * @brief  Start the USB device
-  * @retval HAL status
+  * @param  hpcd PCD handle
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_Start(PCD_HandleTypeDef *hpcd)
+  */
-{
+HAL_StatusTypeDef HAL_PCD_Start(PCD_HandleTypeDef *hpcd)
-  __HAL_LOCK(hpcd);
+{
-  __HAL_PCD_ENABLE(hpcd);
+  __HAL_LOCK(hpcd);
+  __HAL_PCD_ENABLE(hpcd);
-  HAL_PCDEx_SetConnectionState(hpcd, 1U);
+  HAL_PCDEx_SetConnectionState(hpcd, 1U);
-  (void)USB_DevConnect(hpcd->Instance);
-  __HAL_UNLOCK(hpcd);
+  (void)USB_DevConnect(hpcd->Instance);
+  __HAL_UNLOCK(hpcd);
-  return HAL_OK;
-}
+  return HAL_OK;
+}
-/**
-  * @brief  Stop the USB device.
+/**
-  * @param  hpcd PCD handle
+  * @brief  Stop the USB device.
-  * @retval HAL status
+  * @param  hpcd PCD handle
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_Stop(PCD_HandleTypeDef *hpcd)
+  */
-{
+HAL_StatusTypeDef HAL_PCD_Stop(PCD_HandleTypeDef *hpcd)
-  __HAL_LOCK(hpcd);
+{
-  __HAL_PCD_DISABLE(hpcd);
+  __HAL_LOCK(hpcd);
+  __HAL_PCD_DISABLE(hpcd);
-  HAL_PCDEx_SetConnectionState(hpcd, 0U);
+  HAL_PCDEx_SetConnectionState(hpcd, 0U);
-  (void)USB_DevDisconnect(hpcd->Instance);
-  __HAL_UNLOCK(hpcd);
+  (void)USB_DevDisconnect(hpcd->Instance);
+  __HAL_UNLOCK(hpcd);
-  return HAL_OK;
-}
+  return HAL_OK;
+}
-/**
-  * @brief  This function handles PCD interrupt request.
+/**
-  * @param  hpcd PCD handle
+  * @brief  This function handles PCD interrupt request.
-  * @retval HAL status
+  * @param  hpcd PCD handle
-  */
+  * @retval HAL status
-void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd)
+  */
-{
+void HAL_PCD_IRQHandler(PCD_HandleTypeDef *hpcd)
-  if (__HAL_PCD_GET_FLAG(hpcd, USB_ISTR_CTR))
+{
-  {
+  uint32_t wIstr = USB_ReadInterrupts(hpcd->Instance);
-    /* servicing of the endpoint correct transfer interrupt */
-    /* clear of the CTR flag into the sub */
+  if ((wIstr & USB_ISTR_CTR) == USB_ISTR_CTR)
-    (void)PCD_EP_ISR_Handler(hpcd);
+  {
-  }
+    /* servicing of the endpoint correct transfer interrupt */
+    /* clear of the CTR flag into the sub */
-  if (__HAL_PCD_GET_FLAG(hpcd, USB_ISTR_RESET))
+    (void)PCD_EP_ISR_Handler(hpcd);
-  {
-    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_RESET);
+    return;
+  }
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-    hpcd->ResetCallback(hpcd);
+  if ((wIstr & USB_ISTR_RESET) == USB_ISTR_RESET)
-#else
+  {
-    HAL_PCD_ResetCallback(hpcd);
+    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_RESET);
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-    (void)HAL_PCD_SetAddress(hpcd, 0U);
+    hpcd->ResetCallback(hpcd);
-  }
+#else
+    HAL_PCD_ResetCallback(hpcd);
-  if (__HAL_PCD_GET_FLAG(hpcd, USB_ISTR_PMAOVR))
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-  {
-    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_PMAOVR);
+    (void)HAL_PCD_SetAddress(hpcd, 0U);
-  }
+    return;
-  if (__HAL_PCD_GET_FLAG(hpcd, USB_ISTR_ERR))
+  }
-  {
-    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_ERR);
+  if ((wIstr & USB_ISTR_PMAOVR) == USB_ISTR_PMAOVR)
-  }
+  {
+    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_PMAOVR);
-  if (__HAL_PCD_GET_FLAG(hpcd, USB_ISTR_WKUP))
-  {
+    return;
-    hpcd->Instance->CNTR &= (uint16_t) ~(USB_CNTR_LPMODE);
+  }
-    hpcd->Instance->CNTR &= (uint16_t) ~(USB_CNTR_FSUSP);
+  if ((wIstr & USB_ISTR_ERR) == USB_ISTR_ERR)
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+  {
-    hpcd->ResumeCallback(hpcd);
+    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_ERR);
-#else
-    HAL_PCD_ResumeCallback(hpcd);
+    return;
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+  }
-    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_WKUP);
+  if ((wIstr & USB_ISTR_WKUP) == USB_ISTR_WKUP)
-  }
+  {
+    hpcd->Instance->CNTR &= (uint16_t) ~(USB_CNTR_LPMODE);
-  if (__HAL_PCD_GET_FLAG(hpcd, USB_ISTR_SUSP))
+    hpcd->Instance->CNTR &= (uint16_t) ~(USB_CNTR_FSUSP);
-  {
-    /* Force low-power mode in the macrocell */
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-    hpcd->Instance->CNTR |= (uint16_t)USB_CNTR_FSUSP;
+    hpcd->ResumeCallback(hpcd);
+#else
-    /* clear of the ISTR bit must be done after setting of CNTR_FSUSP */
+    HAL_PCD_ResumeCallback(hpcd);
-    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_SUSP);
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-    hpcd->Instance->CNTR |= (uint16_t)USB_CNTR_LPMODE;
+    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_WKUP);
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+    return;
-    hpcd->SuspendCallback(hpcd);
+  }
-#else
-    HAL_PCD_SuspendCallback(hpcd);
+  if ((wIstr & USB_ISTR_SUSP) == USB_ISTR_SUSP)
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+  {
-  }
+    /* Force low-power mode in the macrocell */
+    hpcd->Instance->CNTR |= (uint16_t)USB_CNTR_FSUSP;
-  if (__HAL_PCD_GET_FLAG(hpcd, USB_ISTR_SOF))
-  {
+    /* clear of the ISTR bit must be done after setting of CNTR_FSUSP */
-    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_SOF);
+    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_SUSP);
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+    hpcd->Instance->CNTR |= (uint16_t)USB_CNTR_LPMODE;
-    hpcd->SOFCallback(hpcd);
-#else
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-    HAL_PCD_SOFCallback(hpcd);
+    hpcd->SuspendCallback(hpcd);
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+#else
-  }
+    HAL_PCD_SuspendCallback(hpcd);
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-  if (__HAL_PCD_GET_FLAG(hpcd, USB_ISTR_ESOF))
-  {
+    return;
-    /* clear ESOF flag in ISTR */
+  }
-    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_ESOF);
-  }
+  if ((wIstr & USB_ISTR_SOF) == USB_ISTR_SOF)
-}
+  {
+    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_SOF);
-/**
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-  * @brief  Handles PCD Wakeup interrupt request.
+    hpcd->SOFCallback(hpcd);
-  * @param  hpcd PCD handle
+#else
-  * @retval HAL status
+    HAL_PCD_SOFCallback(hpcd);
-  */
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-void HAL_PCD_WKUP_IRQHandler(PCD_HandleTypeDef *hpcd)
-{
+    return;
-  /* Clear EXTI pending Bit */
+  }
-  __HAL_USB_WAKEUP_EXTI_CLEAR_FLAG();
-}
+  if ((wIstr & USB_ISTR_ESOF) == USB_ISTR_ESOF)
+  {
+    /* clear ESOF flag in ISTR */
-/**
+    __HAL_PCD_CLEAR_FLAG(hpcd, USB_ISTR_ESOF);
-  * @brief  Data OUT stage callback.
-  * @param  hpcd PCD handle
+    return;
-  * @param  epnum endpoint number
+  }
-  * @retval None
+}
-  */
-__weak void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
-{
+/**
-  /* Prevent unused argument(s) compilation warning */
+  * @brief  Handles PCD Wakeup interrupt request.
-  UNUSED(hpcd);
+  * @param  hpcd PCD handle
-  UNUSED(epnum);
+  * @retval HAL status
+  */
-  /* NOTE : This function should not be modified, when the callback is needed,
+void HAL_PCD_WKUP_IRQHandler(PCD_HandleTypeDef *hpcd)
-            the HAL_PCD_DataOutStageCallback could be implemented in the user file
+{
-   */
+  /* Clear EXTI pending Bit */
-}
+  __HAL_USB_WAKEUP_EXTI_CLEAR_FLAG();
+}
-/**
-  * @brief  Data IN stage callback
-  * @param  hpcd PCD handle
+/**
-  * @param  epnum endpoint number
+  * @brief  Data OUT stage callback.
-  * @retval None
+  * @param  hpcd PCD handle
-  */
+  * @param  epnum endpoint number
-__weak void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+  * @retval None
-{
+  */
-  /* Prevent unused argument(s) compilation warning */
+__weak void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
-  UNUSED(hpcd);
+{
-  UNUSED(epnum);
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hpcd);
-  /* NOTE : This function should not be modified, when the callback is needed,
+  UNUSED(epnum);
-            the HAL_PCD_DataInStageCallback could be implemented in the user file
-   */
+  /* NOTE : This function should not be modified, when the callback is needed,
-}
+            the HAL_PCD_DataOutStageCallback could be implemented in the user file
-/**
+   */
-  * @brief  Setup stage callback
+}
-  * @param  hpcd PCD handle
-  * @retval None
+/**
-  */
+  * @brief  Data IN stage callback
-__weak void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
+  * @param  hpcd PCD handle
-{
+  * @param  epnum endpoint number
-  /* Prevent unused argument(s) compilation warning */
+  * @retval None
-  UNUSED(hpcd);
+  */
+__weak void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
-  /* NOTE : This function should not be modified, when the callback is needed,
+{
-            the HAL_PCD_SetupStageCallback could be implemented in the user file
+  /* Prevent unused argument(s) compilation warning */
-   */
+  UNUSED(hpcd);
-}
+  UNUSED(epnum);
-/**
+  /* NOTE : This function should not be modified, when the callback is needed,
-  * @brief  USB Start Of Frame callback.
+            the HAL_PCD_DataInStageCallback could be implemented in the user file
-  * @param  hpcd PCD handle
+   */
-  * @retval None
+}
-  */
+/**
-__weak void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
+  * @brief  Setup stage callback
-{
+  * @param  hpcd PCD handle
-  /* Prevent unused argument(s) compilation warning */
+  * @retval None
-  UNUSED(hpcd);
+  */
+__weak void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
-  /* NOTE : This function should not be modified, when the callback is needed,
+{
-            the HAL_PCD_SOFCallback could be implemented in the user file
+  /* Prevent unused argument(s) compilation warning */
-   */
+  UNUSED(hpcd);
-}
+  /* NOTE : This function should not be modified, when the callback is needed,
-/**
+            the HAL_PCD_SetupStageCallback could be implemented in the user file
-  * @brief  USB Reset callback.
+   */
-  * @param  hpcd PCD handle
+}
-  * @retval None
-  */
+/**
-__weak void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
+  * @brief  USB Start Of Frame callback.
-{
+  * @param  hpcd PCD handle
-  /* Prevent unused argument(s) compilation warning */
+  * @retval None
-  UNUSED(hpcd);
+  */
+__weak void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
-  /* NOTE : This function should not be modified, when the callback is needed,
+{
-            the HAL_PCD_ResetCallback could be implemented in the user file
+  /* Prevent unused argument(s) compilation warning */
-   */
+  UNUSED(hpcd);
-}
+  /* NOTE : This function should not be modified, when the callback is needed,
-/**
+            the HAL_PCD_SOFCallback could be implemented in the user file
-  * @brief  Suspend event callback.
+   */
-  * @param  hpcd PCD handle
+}
-  * @retval None
-  */
+/**
-__weak void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
+  * @brief  USB Reset callback.
-{
+  * @param  hpcd PCD handle
-  /* Prevent unused argument(s) compilation warning */
+  * @retval None
-  UNUSED(hpcd);
+  */
+__weak void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
-  /* NOTE : This function should not be modified, when the callback is needed,
+{
-            the HAL_PCD_SuspendCallback could be implemented in the user file
+  /* Prevent unused argument(s) compilation warning */
-   */
+  UNUSED(hpcd);
-}
+  /* NOTE : This function should not be modified, when the callback is needed,
-/**
+            the HAL_PCD_ResetCallback could be implemented in the user file
-  * @brief  Resume event callback.
+   */
-  * @param  hpcd PCD handle
+}
-  * @retval None
-  */
+/**
-__weak void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
+  * @brief  Suspend event callback.
-{
+  * @param  hpcd PCD handle
-  /* Prevent unused argument(s) compilation warning */
+  * @retval None
-  UNUSED(hpcd);
+  */
+__weak void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
-  /* NOTE : This function should not be modified, when the callback is needed,
+{
-            the HAL_PCD_ResumeCallback could be implemented in the user file
+  /* Prevent unused argument(s) compilation warning */
-   */
+  UNUSED(hpcd);
-}
+  /* NOTE : This function should not be modified, when the callback is needed,
-/**
+            the HAL_PCD_SuspendCallback could be implemented in the user file
-  * @brief  Incomplete ISO OUT callback.
+   */
-  * @param  hpcd PCD handle
+}
-  * @param  epnum endpoint number
-  * @retval None
+/**
-  */
+  * @brief  Resume event callback.
-__weak void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+  * @param  hpcd PCD handle
-{
+  * @retval None
-  /* Prevent unused argument(s) compilation warning */
+  */
-  UNUSED(hpcd);
+__weak void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
-  UNUSED(epnum);
+{
+  /* Prevent unused argument(s) compilation warning */
-  /* NOTE : This function should not be modified, when the callback is needed,
+  UNUSED(hpcd);
-            the HAL_PCD_ISOOUTIncompleteCallback could be implemented in the user file
-   */
+  /* NOTE : This function should not be modified, when the callback is needed,
-}
+            the HAL_PCD_ResumeCallback could be implemented in the user file
+   */
-/**
+}
-  * @brief  Incomplete ISO IN callback.
-  * @param  hpcd PCD handle
+/**
-  * @param  epnum endpoint number
+  * @brief  Incomplete ISO OUT callback.
-  * @retval None
+  * @param  hpcd PCD handle
-  */
+  * @param  epnum endpoint number
-__weak void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+  * @retval None
-{
+  */
-  /* Prevent unused argument(s) compilation warning */
+__weak void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
-  UNUSED(hpcd);
+{
-  UNUSED(epnum);
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hpcd);
-  /* NOTE : This function should not be modified, when the callback is needed,
+  UNUSED(epnum);
-            the HAL_PCD_ISOINIncompleteCallback could be implemented in the user file
-   */
+  /* NOTE : This function should not be modified, when the callback is needed,
-}
+            the HAL_PCD_ISOOUTIncompleteCallback could be implemented in the user file
+   */
-/**
+}
-  * @brief  Connection event callback.
-  * @param  hpcd PCD handle
+/**
-  * @retval None
+  * @brief  Incomplete ISO IN callback.
-  */
+  * @param  hpcd PCD handle
-__weak void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
+  * @param  epnum endpoint number
-{
+  * @retval None
-  /* Prevent unused argument(s) compilation warning */
+  */
-  UNUSED(hpcd);
+__weak void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
+{
-  /* NOTE : This function should not be modified, when the callback is needed,
+  /* Prevent unused argument(s) compilation warning */
-            the HAL_PCD_ConnectCallback could be implemented in the user file
+  UNUSED(hpcd);
-   */
+  UNUSED(epnum);
-}
+  /* NOTE : This function should not be modified, when the callback is needed,
-/**
+            the HAL_PCD_ISOINIncompleteCallback could be implemented in the user file
-  * @brief  Disconnection event callback.
+   */
-  * @param  hpcd PCD handle
+}
-  * @retval None
-  */
+/**
-__weak void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
+  * @brief  Connection event callback.
-{
+  * @param  hpcd PCD handle
-  /* Prevent unused argument(s) compilation warning */
+  * @retval None
-  UNUSED(hpcd);
+  */
+__weak void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
-  /* NOTE : This function should not be modified, when the callback is needed,
+{
-            the HAL_PCD_DisconnectCallback could be implemented in the user file
+  /* Prevent unused argument(s) compilation warning */
-   */
+  UNUSED(hpcd);
-}
+  /* NOTE : This function should not be modified, when the callback is needed,
-/**
+            the HAL_PCD_ConnectCallback could be implemented in the user file
-  * @}
+   */
-  */
+}
-/** @defgroup PCD_Exported_Functions_Group3 Peripheral Control functions
+/**
-  *  @brief   management functions
+  * @brief  Disconnection event callback.
-  *
+  * @param  hpcd PCD handle
-@verbatim
+  * @retval None
- ===============================================================================
+  */
-                      ##### Peripheral Control functions #####
+__weak void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
- ===============================================================================
+{
-    [..]
+  /* Prevent unused argument(s) compilation warning */
-    This subsection provides a set of functions allowing to control the PCD data
+  UNUSED(hpcd);
-    transfers.
+  /* NOTE : This function should not be modified, when the callback is needed,
-@endverbatim
+            the HAL_PCD_DisconnectCallback could be implemented in the user file
-  * @{
+   */
-  */
+}
 /**
-  * @brief  Connect the USB device
+  * @}
-  * @param  hpcd PCD handle
+  */
-  * @retval HAL status
-  */
+/** @defgroup PCD_Exported_Functions_Group3 Peripheral Control functions
-HAL_StatusTypeDef HAL_PCD_DevConnect(PCD_HandleTypeDef *hpcd)
+  *  @brief   management functions
-{
+  *
-  __HAL_LOCK(hpcd);
+@verbatim
+ ===============================================================================
-  HAL_PCDEx_SetConnectionState(hpcd, 1U);
+                      ##### Peripheral Control functions #####
+ ===============================================================================
-  (void)USB_DevConnect(hpcd->Instance);
+    [..]
-  __HAL_UNLOCK(hpcd);
+    This subsection provides a set of functions allowing to control the PCD data
+    transfers.
-  return HAL_OK;
-}
+@endverbatim
+  * @{
-/**
+  */
-  * @brief  Disconnect the USB device.
-  * @param  hpcd PCD handle
+/**
-  * @retval HAL status
+  * @brief  Connect the USB device
-  */
+  * @param  hpcd PCD handle
-HAL_StatusTypeDef HAL_PCD_DevDisconnect(PCD_HandleTypeDef *hpcd)
+  * @retval HAL status
-{
+  */
-  __HAL_LOCK(hpcd);
+HAL_StatusTypeDef HAL_PCD_DevConnect(PCD_HandleTypeDef *hpcd)
+{
-  HAL_PCDEx_SetConnectionState(hpcd, 0U);
+  __HAL_LOCK(hpcd);
-  (void)USB_DevDisconnect(hpcd->Instance);
+  HAL_PCDEx_SetConnectionState(hpcd, 1U);
-  __HAL_UNLOCK(hpcd);
+  (void)USB_DevConnect(hpcd->Instance);
-  return HAL_OK;
+  __HAL_UNLOCK(hpcd);
-}
+  return HAL_OK;
-/**
+}
-  * @brief  Set the USB Device address.
-  * @param  hpcd PCD handle
+/**
-  * @param  address new device address
+  * @brief  Disconnect the USB device.
-  * @retval HAL status
+  * @param  hpcd PCD handle
-  */
+  * @retval HAL status
-HAL_StatusTypeDef HAL_PCD_SetAddress(PCD_HandleTypeDef *hpcd, uint8_t address)
+  */
-{
+HAL_StatusTypeDef HAL_PCD_DevDisconnect(PCD_HandleTypeDef *hpcd)
-  __HAL_LOCK(hpcd);
+{
-  hpcd->USB_Address = address;
+  __HAL_LOCK(hpcd);
-  (void)USB_SetDevAddress(hpcd->Instance, address);
-  __HAL_UNLOCK(hpcd);
+  HAL_PCDEx_SetConnectionState(hpcd, 0U);
-  return HAL_OK;
+  (void)USB_DevDisconnect(hpcd->Instance);
-}
+  __HAL_UNLOCK(hpcd);
-/**
-  * @brief  Open and configure an endpoint.
+  return HAL_OK;
-  * @param  hpcd PCD handle
+}
-  * @param  ep_addr endpoint address
-  * @param  ep_mps endpoint max packet size
+/**
-  * @param  ep_type endpoint type
+  * @brief  Set the USB Device address.
-  * @retval HAL status
+  * @param  hpcd PCD handle
-  */
+  * @param  address new device address
-HAL_StatusTypeDef HAL_PCD_EP_Open(PCD_HandleTypeDef *hpcd, uint8_t ep_addr,
+  * @retval HAL status
-                                  uint16_t ep_mps, uint8_t ep_type)
+  */
-{
+HAL_StatusTypeDef HAL_PCD_SetAddress(PCD_HandleTypeDef *hpcd, uint8_t address)
-  HAL_StatusTypeDef  ret = HAL_OK;
+{
-  PCD_EPTypeDef *ep;
+  __HAL_LOCK(hpcd);
+  hpcd->USB_Address = address;
-  if ((ep_addr & 0x80U) == 0x80U)
+  (void)USB_SetDevAddress(hpcd->Instance, address);
-  {
+  __HAL_UNLOCK(hpcd);
-    ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK];
-    ep->is_in = 1U;
+  return HAL_OK;
-  }
+}
-  else
+/**
-  {
+  * @brief  Open and configure an endpoint.
-    ep = &hpcd->OUT_ep[ep_addr & EP_ADDR_MSK];
+  * @param  hpcd PCD handle
-    ep->is_in = 0U;
+  * @param  ep_addr endpoint address
-  }
+  * @param  ep_mps endpoint max packet size
+  * @param  ep_type endpoint type
-  ep->num = ep_addr & EP_ADDR_MSK;
+  * @retval HAL status
-  ep->maxpacket = ep_mps;
+  */
-  ep->type = ep_type;
+HAL_StatusTypeDef HAL_PCD_EP_Open(PCD_HandleTypeDef *hpcd, uint8_t ep_addr,
+                                  uint16_t ep_mps, uint8_t ep_type)
-  if (ep->is_in != 0U)
+{
-  {
+  HAL_StatusTypeDef  ret = HAL_OK;
-    /* Assign a Tx FIFO */
+  PCD_EPTypeDef *ep;
-    ep->tx_fifo_num = ep->num;
-  }
+  if ((ep_addr & 0x80U) == 0x80U)
-  /* Set initial data PID. */
+  {
-  if (ep_type == EP_TYPE_BULK)
+    ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK];
-  {
+    ep->is_in = 1U;
-    ep->data_pid_start = 0U;
+  }
-  }
+  else
+  {
-  __HAL_LOCK(hpcd);
+    ep = &hpcd->OUT_ep[ep_addr & EP_ADDR_MSK];
-  (void)USB_ActivateEndpoint(hpcd->Instance, ep);
+    ep->is_in = 0U;
-  __HAL_UNLOCK(hpcd);
+  }
-  return ret;
+  ep->num = ep_addr & EP_ADDR_MSK;
-}
+  ep->maxpacket = ep_mps;
+  ep->type = ep_type;
-/**
-  * @brief  Deactivate an endpoint.
+  /* Set initial data PID. */
-  * @param  hpcd PCD handle
+  if (ep_type == EP_TYPE_BULK)
-  * @param  ep_addr endpoint address
+  {
-  * @retval HAL status
+    ep->data_pid_start = 0U;
-  */
+  }
-HAL_StatusTypeDef HAL_PCD_EP_Close(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
-{
+  __HAL_LOCK(hpcd);
-  PCD_EPTypeDef *ep;
+  (void)USB_ActivateEndpoint(hpcd->Instance, ep);
+  __HAL_UNLOCK(hpcd);
-  if ((ep_addr & 0x80U) == 0x80U)
-  {
+  return ret;
-    ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK];
+}
-    ep->is_in = 1U;
-  }
+/**
-  else
+  * @brief  Deactivate an endpoint.
-  {
+  * @param  hpcd PCD handle
-    ep = &hpcd->OUT_ep[ep_addr & EP_ADDR_MSK];
+  * @param  ep_addr endpoint address
-    ep->is_in = 0U;
+  * @retval HAL status
-  }
+  */
-  ep->num   = ep_addr & EP_ADDR_MSK;
+HAL_StatusTypeDef HAL_PCD_EP_Close(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
+{
-  __HAL_LOCK(hpcd);
+  PCD_EPTypeDef *ep;
-  (void)USB_DeactivateEndpoint(hpcd->Instance, ep);
-  __HAL_UNLOCK(hpcd);
+  if ((ep_addr & 0x80U) == 0x80U)
-  return HAL_OK;
+  {
-}
+    ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK];
+    ep->is_in = 1U;
+  }
-/**
+  else
-  * @brief  Receive an amount of data.
+  {
-  * @param  hpcd PCD handle
+    ep = &hpcd->OUT_ep[ep_addr & EP_ADDR_MSK];
-  * @param  ep_addr endpoint address
+    ep->is_in = 0U;
-  * @param  pBuf pointer to the reception buffer
+  }
-  * @param  len amount of data to be received
+  ep->num = ep_addr & EP_ADDR_MSK;
-  * @retval HAL status
-  */
+  __HAL_LOCK(hpcd);
-HAL_StatusTypeDef HAL_PCD_EP_Receive(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len)
+  (void)USB_DeactivateEndpoint(hpcd->Instance, ep);
-{
+  __HAL_UNLOCK(hpcd);
-  PCD_EPTypeDef *ep;
+  return HAL_OK;
+}
-  ep = &hpcd->OUT_ep[ep_addr & EP_ADDR_MSK];
-  /*setup and start the Xfer */
+/**
-  ep->xfer_buff = pBuf;
+  * @brief  Receive an amount of data.
-  ep->xfer_len = len;
+  * @param  hpcd PCD handle
-  ep->xfer_count = 0U;
+  * @param  ep_addr endpoint address
-  ep->is_in = 0U;
+  * @param  pBuf pointer to the reception buffer
-  ep->num = ep_addr & EP_ADDR_MSK;
+  * @param  len amount of data to be received
+  * @retval HAL status
-  if ((ep_addr & EP_ADDR_MSK) == 0U)
+  */
-  {
+HAL_StatusTypeDef HAL_PCD_EP_Receive(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len)
-    (void)USB_EP0StartXfer(hpcd->Instance, ep);
+{
-  }
+  PCD_EPTypeDef *ep;
-  else
-  {
+  ep = &hpcd->OUT_ep[ep_addr & EP_ADDR_MSK];
-    (void)USB_EPStartXfer(hpcd->Instance, ep);
-  }
+  /*setup and start the Xfer */
+  ep->xfer_buff = pBuf;
-  return HAL_OK;
+  ep->xfer_len = len;
-}
+  ep->xfer_count = 0U;
+  ep->is_in = 0U;
-/**
+  ep->num = ep_addr & EP_ADDR_MSK;
-  * @brief  Get Received Data Size
-  * @param  hpcd PCD handle
+  (void)USB_EPStartXfer(hpcd->Instance, ep);
-  * @param  ep_addr endpoint address
-  * @retval Data Size
+  return HAL_OK;
-  */
+}
-uint32_t HAL_PCD_EP_GetRxCount(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
-{
+/**
-  return hpcd->OUT_ep[ep_addr & EP_ADDR_MSK].xfer_count;
+  * @brief  Get Received Data Size
-}
+  * @param  hpcd PCD handle
-/**
+  * @param  ep_addr endpoint address
-  * @brief  Send an amount of data
+  * @retval Data Size
-  * @param  hpcd PCD handle
+  */
-  * @param  ep_addr endpoint address
+uint32_t HAL_PCD_EP_GetRxCount(PCD_HandleTypeDef const *hpcd, uint8_t ep_addr)
-  * @param  pBuf pointer to the transmission buffer
+{
-  * @param  len amount of data to be sent
+  return hpcd->OUT_ep[ep_addr & EP_ADDR_MSK].xfer_count;
-  * @retval HAL status
+}
-  */
+/**
-HAL_StatusTypeDef HAL_PCD_EP_Transmit(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len)
+  * @brief  Send an amount of data
-{
+  * @param  hpcd PCD handle
-  PCD_EPTypeDef *ep;
+  * @param  ep_addr endpoint address
+  * @param  pBuf pointer to the transmission buffer
-  ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK];
+  * @param  len amount of data to be sent
+  * @retval HAL status
-  /*setup and start the Xfer */
+  */
-  ep->xfer_buff = pBuf;
+HAL_StatusTypeDef HAL_PCD_EP_Transmit(PCD_HandleTypeDef *hpcd, uint8_t ep_addr, uint8_t *pBuf, uint32_t len)
-  ep->xfer_len = len;
+{
-  ep->xfer_fill_db = 1U;
+  PCD_EPTypeDef *ep;
-  ep->xfer_len_db = len;
-  ep->xfer_count = 0U;
+  ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK];
-  ep->is_in = 1U;
-  ep->num = ep_addr & EP_ADDR_MSK;
+  /*setup and start the Xfer */
+  ep->xfer_buff = pBuf;
-  if ((ep_addr & EP_ADDR_MSK) == 0U)
+  ep->xfer_len = len;
-  {
+  ep->xfer_fill_db = 1U;
-    (void)USB_EP0StartXfer(hpcd->Instance, ep);
+  ep->xfer_len_db = len;
-  }
+  ep->xfer_count = 0U;
-  else
+  ep->is_in = 1U;
-  {
+  ep->num = ep_addr & EP_ADDR_MSK;
-    (void)USB_EPStartXfer(hpcd->Instance, ep);
-  }
+  (void)USB_EPStartXfer(hpcd->Instance, ep);
   return HAL_OK;
 }
 /**
   * @brief  Set a STALL condition over an endpoint
   * @param  hpcd PCD handle
   * @param  ep_addr endpoint address
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_PCD_EP_SetStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
 {
   PCD_EPTypeDef *ep;
   if (((uint32_t)ep_addr & EP_ADDR_MSK) > hpcd->Init.dev_endpoints)
   {
     return HAL_ERROR;
   }
   if ((0x80U & ep_addr) == 0x80U)
   {
     ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK];
     ep->is_in = 1U;
   }
   else
   {
     ep = &hpcd->OUT_ep[ep_addr];
     ep->is_in = 0U;
   }
   ep->is_stall = 1U;
   ep->num = ep_addr & EP_ADDR_MSK;
   __HAL_LOCK(hpcd);
   (void)USB_EPSetStall(hpcd->Instance, ep);
   __HAL_UNLOCK(hpcd);
   return HAL_OK;
 }
 /**
   * @brief  Clear a STALL condition over in an endpoint
   * @param  hpcd PCD handle
   * @param  ep_addr endpoint address
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_PCD_EP_ClrStall(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
 {
   PCD_EPTypeDef *ep;
   if (((uint32_t)ep_addr & 0x0FU) > hpcd->Init.dev_endpoints)
   {
     return HAL_ERROR;
   }
   if ((0x80U & ep_addr) == 0x80U)
   {
     ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK];
     ep->is_in = 1U;
   }
   else
   {
     ep = &hpcd->OUT_ep[ep_addr & EP_ADDR_MSK];
     ep->is_in = 0U;
   }
   ep->is_stall = 0U;
   ep->num = ep_addr & EP_ADDR_MSK;
   __HAL_LOCK(hpcd);
   (void)USB_EPClearStall(hpcd->Instance, ep);
   __HAL_UNLOCK(hpcd);
   return HAL_OK;
 }
 /**
-  * @brief  Flush an endpoint
+   * @brief  Abort an USB EP transaction.
-  * @param  hpcd PCD handle
+   * @param  hpcd PCD handle
-  * @param  ep_addr endpoint address
+   * @param  ep_addr endpoint address
-  * @retval HAL status
+   * @retval HAL status
-  */
+   */
-HAL_StatusTypeDef HAL_PCD_EP_Flush(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
+HAL_StatusTypeDef HAL_PCD_EP_Abort(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
 {
-  /* Prevent unused argument(s) compilation warning */
+  HAL_StatusTypeDef ret;
-  UNUSED(hpcd);
+  PCD_EPTypeDef *ep;
-  UNUSED(ep_addr);
+  if ((0x80U & ep_addr) == 0x80U)
-  return HAL_OK;
+  {
-}
+    ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK];
+  }
-/**
+  else
-  * @brief  Activate remote wakeup signalling
+  {
-  * @param  hpcd PCD handle
+    ep = &hpcd->OUT_ep[ep_addr & EP_ADDR_MSK];
-  * @retval HAL status
+  }
-  */
-HAL_StatusTypeDef HAL_PCD_ActivateRemoteWakeup(PCD_HandleTypeDef *hpcd)
+  /* Stop Xfer */
-{
+  ret = USB_EPStopXfer(hpcd->Instance, ep);
-  return (USB_ActivateRemoteWakeup(hpcd->Instance));
-}
+  return ret;
+}
-/**
-  * @brief  De-activate remote wakeup signalling.
+/**
-  * @param  hpcd PCD handle
+  * @brief  Flush an endpoint
-  * @retval HAL status
+  * @param  hpcd PCD handle
-  */
+  * @param  ep_addr endpoint address
-HAL_StatusTypeDef HAL_PCD_DeActivateRemoteWakeup(PCD_HandleTypeDef *hpcd)
+  * @retval HAL status
-{
+  */
-  return (USB_DeActivateRemoteWakeup(hpcd->Instance));
+HAL_StatusTypeDef HAL_PCD_EP_Flush(PCD_HandleTypeDef *hpcd, uint8_t ep_addr)
-}
+{
+  __HAL_LOCK(hpcd);
-/**
-  * @}
+  if ((ep_addr & 0x80U) == 0x80U)
-  */
+  {
+    (void)USB_FlushTxFifo(hpcd->Instance, (uint32_t)ep_addr & EP_ADDR_MSK);
-/** @defgroup PCD_Exported_Functions_Group4 Peripheral State functions
+  }
-  *  @brief   Peripheral State functions
+  else
-  *
+  {
-@verbatim
+    (void)USB_FlushRxFifo(hpcd->Instance);
- ===============================================================================
+  }
-                      ##### Peripheral State functions #####
- ===============================================================================
+  __HAL_UNLOCK(hpcd);
-    [..]
-    This subsection permits to get in run-time the status of the peripheral
+  return HAL_OK;
-    and the data flow.
+}
-@endverbatim
+/**
-  * @{
+  * @brief  Activate remote wakeup signalling
-  */
+  * @param  hpcd PCD handle
+  * @retval HAL status
-/**
+  */
-  * @brief  Return the PCD handle state.
+HAL_StatusTypeDef HAL_PCD_ActivateRemoteWakeup(PCD_HandleTypeDef *hpcd)
-  * @param  hpcd PCD handle
+{
-  * @retval HAL state
+  return (USB_ActivateRemoteWakeup(hpcd->Instance));
-  */
+}
-PCD_StateTypeDef HAL_PCD_GetState(PCD_HandleTypeDef *hpcd)
-{
+/**
-  return hpcd->State;
+  * @brief  De-activate remote wakeup signalling.
-}
+  * @param  hpcd PCD handle
+  * @retval HAL status
-/**
+  */
-  * @}
+HAL_StatusTypeDef HAL_PCD_DeActivateRemoteWakeup(PCD_HandleTypeDef *hpcd)
-  */
+{
+  return (USB_DeActivateRemoteWakeup(hpcd->Instance));
-/**
+}
-  * @}
-  */
+/**
+  * @}
-/* Private functions ---------------------------------------------------------*/
+  */
-/** @addtogroup PCD_Private_Functions
-  * @{
+/** @defgroup PCD_Exported_Functions_Group4 Peripheral State functions
-  */
+  *  @brief   Peripheral State functions
+  *
+@verbatim
-/**
+ ===============================================================================
-  * @brief  This function handles PCD Endpoint interrupt request.
+                      ##### Peripheral State functions #####
-  * @param  hpcd PCD handle
+ ===============================================================================
-  * @retval HAL status
+    [..]
-  */
+    This subsection permits to get in run-time the status of the peripheral
-static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd)
+    and the data flow.
-{
-  PCD_EPTypeDef *ep;
+@endverbatim
-  uint16_t count, wIstr, wEPVal, TxByteNbre;
+  * @{
-  uint8_t epindex;
+  */
-  /* stay in loop while pending interrupts */
+/**
-  while ((hpcd->Instance->ISTR & USB_ISTR_CTR) != 0U)
+  * @brief  Return the PCD handle state.
-  {
+  * @param  hpcd PCD handle
-    wIstr = hpcd->Instance->ISTR;
+  * @retval HAL state
+  */
-    /* extract highest priority endpoint number */
+PCD_StateTypeDef HAL_PCD_GetState(PCD_HandleTypeDef const *hpcd)
-    epindex = (uint8_t)(wIstr & USB_ISTR_EP_ID);
+{
+  return hpcd->State;
-    if (epindex == 0U)
+}
-    {
-      /* Decode and service control endpoint interrupt */
+/**
+  * @}
-      /* DIR bit = origin of the interrupt */
+  */
-      if ((wIstr & USB_ISTR_DIR) == 0U)
-      {
+/**
-        /* DIR = 0 */
+  * @}
+  */
-        /* DIR = 0 => IN  int */
-        /* DIR = 0 implies that (EP_CTR_TX = 1) always */
+/* Private functions ---------------------------------------------------------*/
-        PCD_CLEAR_TX_EP_CTR(hpcd->Instance, PCD_ENDP0);
+/** @addtogroup PCD_Private_Functions
-        ep = &hpcd->IN_ep[0];
+  * @{
+  */
-        ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
-        ep->xfer_buff += ep->xfer_count;
+/**
-        /* TX COMPLETE */
+  * @brief  This function handles PCD Endpoint interrupt request.
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+  * @param  hpcd PCD handle
-        hpcd->DataInStageCallback(hpcd, 0U);
+  * @retval HAL status
-#else
+  */
-        HAL_PCD_DataInStageCallback(hpcd, 0U);
+static HAL_StatusTypeDef PCD_EP_ISR_Handler(PCD_HandleTypeDef *hpcd)
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+{
+  PCD_EPTypeDef *ep;
-        if ((hpcd->USB_Address > 0U) && (ep->xfer_len == 0U))
+  uint16_t count;
-        {
+  uint16_t wIstr;
-          hpcd->Instance->DADDR = ((uint16_t)hpcd->USB_Address | USB_DADDR_EF);
+  uint16_t wEPVal;
-          hpcd->USB_Address = 0U;
+  uint16_t TxPctSize;
-        }
+  uint8_t epindex;
-      }
-      else
+#if (USE_USB_DOUBLE_BUFFER != 1U)
-      {
+  count = 0U;
-        /* DIR = 1 */
+#endif /* USE_USB_DOUBLE_BUFFER */
-        /* DIR = 1 & CTR_RX => SETUP or OUT int */
+  /* stay in loop while pending interrupts */
-        /* DIR = 1 & (CTR_TX | CTR_RX) => 2 int pending */
+  while ((hpcd->Instance->ISTR & USB_ISTR_CTR) != 0U)
-        ep = &hpcd->OUT_ep[0];
+  {
-        wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, PCD_ENDP0);
+    wIstr = hpcd->Instance->ISTR;
-        if ((wEPVal & USB_EP_SETUP) != 0U)
+    /* extract highest priority endpoint number */
-        {
+    epindex = (uint8_t)(wIstr & USB_ISTR_EP_ID);
-          /* Get SETUP Packet */
-          ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
+    if (epindex == 0U)
+    {
-          USB_ReadPMA(hpcd->Instance, (uint8_t *)hpcd->Setup,
+      /* Decode and service control endpoint interrupt */
-                      ep->pmaadress, (uint16_t)ep->xfer_count);
+      /* DIR bit = origin of the interrupt */
-          /* SETUP bit kept frozen while CTR_RX = 1 */
+      if ((wIstr & USB_ISTR_DIR) == 0U)
-          PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0);
+      {
+        /* DIR = 0 */
-          /* Process SETUP Packet*/
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+        /* DIR = 0 => IN  int */
-          hpcd->SetupStageCallback(hpcd);
+        /* DIR = 0 implies that (EP_CTR_TX = 1) always */
-#else
+        PCD_CLEAR_TX_EP_CTR(hpcd->Instance, PCD_ENDP0);
-          HAL_PCD_SetupStageCallback(hpcd);
+        ep = &hpcd->IN_ep[0];
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-        }
+        ep->xfer_count = PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
-        else if ((wEPVal & USB_EP_CTR_RX) != 0U)
+        ep->xfer_buff += ep->xfer_count;
-        {
-          PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0);
+        /* TX COMPLETE */
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-          /* Get Control Data OUT Packet */
+        hpcd->DataInStageCallback(hpcd, 0U);
-          ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
+#else
+        HAL_PCD_DataInStageCallback(hpcd, 0U);
-          if ((ep->xfer_count != 0U) && (ep->xfer_buff != 0U))
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-          {
-            USB_ReadPMA(hpcd->Instance, ep->xfer_buff,
+        if ((hpcd->USB_Address > 0U) && (ep->xfer_len == 0U))
-                        ep->pmaadress, (uint16_t)ep->xfer_count);
+        {
+          hpcd->Instance->DADDR = ((uint16_t)hpcd->USB_Address | USB_DADDR_EF);
-            ep->xfer_buff += ep->xfer_count;
+          hpcd->USB_Address = 0U;
+        }
-            /* Process Control Data OUT Packet */
+      }
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+      else
-            hpcd->DataOutStageCallback(hpcd, 0U);
+      {
-#else
+        /* DIR = 1 */
-            HAL_PCD_DataOutStageCallback(hpcd, 0U);
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+        /* DIR = 1 & CTR_RX => SETUP or OUT int */
-          }
+        /* DIR = 1 & (CTR_TX | CTR_RX) => 2 int pending */
+        ep = &hpcd->OUT_ep[0];
-          if ((PCD_GET_ENDPOINT(hpcd->Instance, PCD_ENDP0) & USB_EP_SETUP) == 0U)
+        wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, PCD_ENDP0);
-          {
-            PCD_SET_EP_RX_CNT(hpcd->Instance, PCD_ENDP0, ep->maxpacket);
+        if ((wEPVal & USB_EP_SETUP) != 0U)
-            PCD_SET_EP_RX_STATUS(hpcd->Instance, PCD_ENDP0, USB_EP_RX_VALID);
+        {
-          }
+          /* Get SETUP Packet */
-        }
+          ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
-      }
-    }
+          USB_ReadPMA(hpcd->Instance, (uint8_t *)hpcd->Setup,
-    else
+                      ep->pmaadress, (uint16_t)ep->xfer_count);
-    {
-      /* Decode and service non control endpoints interrupt */
+          /* SETUP bit kept frozen while CTR_RX = 1 */
-      /* process related endpoint register */
+          PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0);
-      wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, epindex);
+          /* Process SETUP Packet*/
-      if ((wEPVal & USB_EP_CTR_RX) != 0U)
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-      {
+          hpcd->SetupStageCallback(hpcd);
-        /* clear int flag */
+#else
-        PCD_CLEAR_RX_EP_CTR(hpcd->Instance, epindex);
+          HAL_PCD_SetupStageCallback(hpcd);
-        ep = &hpcd->OUT_ep[epindex];
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+        }
-        /* OUT Single Buffering */
+        else if ((wEPVal & USB_EP_CTR_RX) != 0U)
-        if (ep->doublebuffer == 0U)
+        {
-        {
+          PCD_CLEAR_RX_EP_CTR(hpcd->Instance, PCD_ENDP0);
-          count = (uint16_t)PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
+          /* Get Control Data OUT Packet */
-          if (count != 0U)
+          ep->xfer_count = PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
-          {
-            USB_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, count);
+          if ((ep->xfer_count != 0U) && (ep->xfer_buff != 0U))
-          }
+          {
-        }
+            USB_ReadPMA(hpcd->Instance, ep->xfer_buff,
-        else
+                        ep->pmaadress, (uint16_t)ep->xfer_count);
-        {
-          /* manage double buffer bulk out */
+            ep->xfer_buff += ep->xfer_count;
-          if (ep->type == EP_TYPE_BULK)
-          {
+            /* Process Control Data OUT Packet */
-            count = HAL_PCD_EP_DB_Receive(hpcd, ep, wEPVal);
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-          }
+            hpcd->DataOutStageCallback(hpcd, 0U);
-          else /* manage double buffer iso out */
+#else
-          {
+            HAL_PCD_DataOutStageCallback(hpcd, 0U);
-            /* free EP OUT Buffer */
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-            PCD_FreeUserBuffer(hpcd->Instance, ep->num, 0U);
+          }
-            if ((PCD_GET_ENDPOINT(hpcd->Instance, ep->num) & USB_EP_DTOG_RX) != 0U)
+          wEPVal = (uint16_t)PCD_GET_ENDPOINT(hpcd->Instance, PCD_ENDP0);
-            {
-              /* read from endpoint BUF0Addr buffer */
+          if (((wEPVal & USB_EP_SETUP) == 0U) && ((wEPVal & USB_EP_RX_STRX) != USB_EP_RX_VALID))
-              count = (uint16_t)PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num);
+          {
+            PCD_SET_EP_RX_CNT(hpcd->Instance, PCD_ENDP0, ep->maxpacket);
-              if (count != 0U)
+            PCD_SET_EP_RX_STATUS(hpcd->Instance, PCD_ENDP0, USB_EP_RX_VALID);
-              {
+          }
-                USB_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, count);
+        }
-              }
+      }
-            }
+    }
-            else
+    else
-            {
+    {
-              /* read from endpoint BUF1Addr buffer */
+      /* Decode and service non control endpoints interrupt */
-              count = (uint16_t)PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num);
+      /* process related endpoint register */
+      wEPVal = PCD_GET_ENDPOINT(hpcd->Instance, epindex);
-              if (count != 0U)
-              {
+      if ((wEPVal & USB_EP_CTR_RX) != 0U)
-                USB_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, count);
+      {
-              }
+        /* clear int flag */
-            }
+        PCD_CLEAR_RX_EP_CTR(hpcd->Instance, epindex);
-          }
+        ep = &hpcd->OUT_ep[epindex];
-        }
-        /* multi-packet on the NON control OUT endpoint */
+        /* OUT Single Buffering */
-        ep->xfer_count += count;
+        if (ep->doublebuffer == 0U)
-        ep->xfer_buff += count;
+        {
+          count = (uint16_t)PCD_GET_EP_RX_CNT(hpcd->Instance, ep->num);
-        if ((ep->xfer_len == 0U) || (count < ep->maxpacket))
-        {
+          if (count != 0U)
-          /* RX COMPLETE */
+          {
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+            USB_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaadress, count);
-          hpcd->DataOutStageCallback(hpcd, ep->num);
+          }
-#else
+        }
-          HAL_PCD_DataOutStageCallback(hpcd, ep->num);
+#if (USE_USB_DOUBLE_BUFFER == 1U)
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+        else
-        }
+        {
-        else
+          /* manage double buffer bulk out */
-        {
+          if (ep->type == EP_TYPE_BULK)
-          (void) USB_EPStartXfer(hpcd->Instance, ep);
+          {
-        }
+            count = HAL_PCD_EP_DB_Receive(hpcd, ep, wEPVal);
+          }
-      }
+          else /* manage double buffer iso out */
+          {
-      if ((wEPVal & USB_EP_CTR_TX) != 0U)
+            /* free EP OUT Buffer */
-      {
+            PCD_FREE_USER_BUFFER(hpcd->Instance, ep->num, 0U);
-        ep = &hpcd->IN_ep[epindex];
+            if ((PCD_GET_ENDPOINT(hpcd->Instance, ep->num) & USB_EP_DTOG_RX) != 0U)
-        /* clear int flag */
+            {
-        PCD_CLEAR_TX_EP_CTR(hpcd->Instance, epindex);
+              /* read from endpoint BUF0Addr buffer */
+              count = (uint16_t)PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num);
-        /* Manage all non bulk/isoc transaction Bulk Single Buffer Transaction */
-        if ((ep->type == EP_TYPE_INTR) || (ep->type == EP_TYPE_CTRL) ||
+              if (count != 0U)
-           ((ep->type == EP_TYPE_BULK) && ((wEPVal & USB_EP_KIND) == 0U)))
+              {
-        {
+                USB_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, count);
-          /* multi-packet on the NON control IN endpoint */
+              }
-          TxByteNbre = (uint16_t)PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
+            }
+            else
-          if (ep->xfer_len > TxByteNbre)
+            {
-          {
+              /* read from endpoint BUF1Addr buffer */
-            ep->xfer_len -= TxByteNbre;
+              count = (uint16_t)PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num);
-          }
-          else
+              if (count != 0U)
-          {
+              {
-            ep->xfer_len = 0U;
+                USB_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, count);
-          }
+              }
+            }
-          /* Zero Length Packet? */
+          }
-          if (ep->xfer_len == 0U)
+        }
-          {
+#endif /* (USE_USB_DOUBLE_BUFFER == 1U) */
-            /* TX COMPLETE */
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+        /* multi-packet on the NON control OUT endpoint */
-            hpcd->DataInStageCallback(hpcd, ep->num);
+        ep->xfer_count += count;
-#else
+        ep->xfer_buff += count;
-            HAL_PCD_DataInStageCallback(hpcd, ep->num);
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+        if ((ep->xfer_len == 0U) || (count < ep->maxpacket))
-          }
+        {
-          else
+          /* RX COMPLETE */
-          {
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-            /* Transfer is not yet Done */
+          hpcd->DataOutStageCallback(hpcd, ep->num);
-            ep->xfer_buff += TxByteNbre;
+#else
-            ep->xfer_count += TxByteNbre;
+          HAL_PCD_DataOutStageCallback(hpcd, ep->num);
-            (void)USB_EPStartXfer(hpcd->Instance, ep);
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-          }
+        }
-        }
+        else
-        /* Double Buffer Iso/bulk IN (bulk transfer Len > Ep_Mps) */
+        {
-        else
+          (void)USB_EPStartXfer(hpcd->Instance, ep);
-        {
+        }
-          (void)HAL_PCD_EP_DB_Transmit(hpcd, ep, wEPVal);
+      }
-        }
-      }
+      if ((wEPVal & USB_EP_CTR_TX) != 0U)
-    }
+      {
-  }
+        ep = &hpcd->IN_ep[epindex];
-  return HAL_OK;
+        /* clear int flag */
-}
+        PCD_CLEAR_TX_EP_CTR(hpcd->Instance, epindex);
+        if (ep->type == EP_TYPE_ISOC)
-/**
+        {
-  * @brief  Manage double buffer bulk out transaction from ISR
+          ep->xfer_len = 0U;
-  * @param  hpcd PCD handle
-  * @param  ep current endpoint handle
+#if (USE_USB_DOUBLE_BUFFER == 1U)
-  * @param  wEPVal Last snapshot of EPRx register value taken in ISR
+          if (ep->doublebuffer != 0U)
-  * @retval HAL status
+          {
-  */
+            if ((wEPVal & USB_EP_DTOG_TX) != 0U)
-static uint16_t HAL_PCD_EP_DB_Receive(PCD_HandleTypeDef *hpcd,
+            {
-                                      PCD_EPTypeDef *ep, uint16_t wEPVal)
+              PCD_SET_EP_DBUF0_CNT(hpcd->Instance, ep->num, ep->is_in, 0U);
-{
+            }
-  uint16_t count;
+            else
+            {
-  /* Manage Buffer0 OUT */
+              PCD_SET_EP_DBUF1_CNT(hpcd->Instance, ep->num, ep->is_in, 0U);
-  if ((wEPVal & USB_EP_DTOG_RX) != 0U)
+            }
-  {
+          }
-    /* Get count of received Data on buffer0 */
+#endif /* (USE_USB_DOUBLE_BUFFER == 1U) */
-    count = (uint16_t)PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num);
+          /* TX COMPLETE */
-    if (ep->xfer_len >= count)
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-    {
+          hpcd->DataInStageCallback(hpcd, ep->num);
-      ep->xfer_len -= count;
+#else
-    }
+          HAL_PCD_DataInStageCallback(hpcd, ep->num);
-    else
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-    {
+        }
-      ep->xfer_len = 0U;
+        else
-    }
+        {
+          /* Manage Single Buffer Transaction */
-    if (ep->xfer_len == 0U)
+          if ((wEPVal & USB_EP_KIND) == 0U)
-    {
+          {
-      /* set NAK to OUT endpoint since double buffer is enabled */
+            /* multi-packet on the NON control IN endpoint */
-      PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_NAK);
+            TxPctSize = (uint16_t)PCD_GET_EP_TX_CNT(hpcd->Instance, ep->num);
-    }
+            if (ep->xfer_len > TxPctSize)
-    /* Check if Buffer1 is in blocked sate which requires to toggle */
+            {
-    if ((wEPVal & USB_EP_DTOG_TX) != 0U)
+              ep->xfer_len -= TxPctSize;
-    {
+            }
-      PCD_FreeUserBuffer(hpcd->Instance, ep->num, 0U);
+            else
-    }
+            {
+              ep->xfer_len = 0U;
-    if (count != 0U)
+            }
-    {
-      USB_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, count);
+            /* Zero Length Packet? */
-    }
+            if (ep->xfer_len == 0U)
-  }
+            {
-  /* Manage Buffer 1 DTOG_RX=0 */
+              /* TX COMPLETE */
-  else
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
-  {
+              hpcd->DataInStageCallback(hpcd, ep->num);
-    /* Get count of received data */
+#else
-    count = (uint16_t)PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num);
+              HAL_PCD_DataInStageCallback(hpcd, ep->num);
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-    if (ep->xfer_len >= count)
+            }
-    {
+            else
-      ep->xfer_len -= count;
+            {
-    }
+              /* Transfer is not yet Done */
-    else
+              ep->xfer_buff += TxPctSize;
-    {
+              ep->xfer_count += TxPctSize;
-      ep->xfer_len = 0U;
+              (void)USB_EPStartXfer(hpcd->Instance, ep);
-    }
+            }
+          }
-    if (ep->xfer_len == 0U)
+#if (USE_USB_DOUBLE_BUFFER == 1U)
-    {
+          /* Double Buffer bulk IN (bulk transfer Len > Ep_Mps) */
-      /* set NAK on the current endpoint */
+          else
-      PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_NAK);
+          {
-    }
+            (void)HAL_PCD_EP_DB_Transmit(hpcd, ep, wEPVal);
+          }
-    /*Need to FreeUser Buffer*/
+#endif /* (USE_USB_DOUBLE_BUFFER == 1U) */
-    if ((wEPVal & USB_EP_DTOG_TX) == 0U)
+        }
-    {
+      }
-      PCD_FreeUserBuffer(hpcd->Instance, ep->num, 0U);
+    }
-    }
+  }
-    if (count != 0U)
+  return HAL_OK;
-    {
+}
-      USB_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, count);
-    }
-  }
+#if (USE_USB_DOUBLE_BUFFER == 1U)
+/**
-  return count;
+  * @brief  Manage double buffer bulk out transaction from ISR
-}
+  * @param  hpcd PCD handle
+  * @param  ep current endpoint handle
+  * @param  wEPVal Last snapshot of EPRx register value taken in ISR
-/**
+  * @retval HAL status
-  * @brief  Manage double buffer bulk IN transaction from ISR
+  */
-  * @param  hpcd PCD handle
+static uint16_t HAL_PCD_EP_DB_Receive(PCD_HandleTypeDef *hpcd,
-  * @param  ep current endpoint handle
+                                      PCD_EPTypeDef *ep, uint16_t wEPVal)
-  * @param  wEPVal Last snapshot of EPRx register value taken in ISR
+{
-  * @retval HAL status
+  uint16_t count;
-  */
-static HAL_StatusTypeDef HAL_PCD_EP_DB_Transmit(PCD_HandleTypeDef *hpcd,
+  /* Manage Buffer0 OUT */
-                                                PCD_EPTypeDef *ep, uint16_t wEPVal)
+  if ((wEPVal & USB_EP_DTOG_RX) != 0U)
-{
+  {
-  uint32_t len;
+    /* Get count of received Data on buffer0 */
-  uint16_t TxByteNbre;
+    count = (uint16_t)PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num);
-  /* Data Buffer0 ACK received */
+    if (ep->xfer_len >= count)
-  if ((wEPVal & USB_EP_DTOG_TX) != 0U)
+    {
-  {
+      ep->xfer_len -= count;
-    /* multi-packet on the NON control IN endpoint */
+    }
-    TxByteNbre = (uint16_t)PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num);
+    else
+    {
-    if (ep->xfer_len > TxByteNbre)
+      ep->xfer_len = 0U;
-    {
+    }
-      ep->xfer_len -= TxByteNbre;
-    }
+    if (ep->xfer_len == 0U)
-    else
+    {
-    {
+      /* set NAK to OUT endpoint since double buffer is enabled */
-      ep->xfer_len = 0U;
+      PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_NAK);
     }
-    /* Transfer is completed */
-    if (ep->xfer_len == 0U)
+    /* Check if Buffer1 is in blocked state which requires to toggle */
-    {
+    if ((wEPVal & USB_EP_DTOG_TX) != 0U)
-      PCD_SET_EP_DBUF0_CNT(hpcd->Instance, ep->num, ep->is_in, 0U);
+    {
-      PCD_SET_EP_DBUF1_CNT(hpcd->Instance, ep->num, ep->is_in, 0U);
+      PCD_FREE_USER_BUFFER(hpcd->Instance, ep->num, 0U);
+    }
-      /* TX COMPLETE */
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+    if (count != 0U)
-      hpcd->DataInStageCallback(hpcd, ep->num);
+    {
-#else
+      USB_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr0, count);
-      HAL_PCD_DataInStageCallback(hpcd, ep->num);
+    }
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+  }
+  /* Manage Buffer 1 DTOG_RX=0 */
-      if ((wEPVal & USB_EP_DTOG_RX) != 0U)
+  else
-      {
+  {
-        PCD_FreeUserBuffer(hpcd->Instance, ep->num, 1U);
+    /* Get count of received data */
-      }
+    count = (uint16_t)PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num);
-    }
-    else /* Transfer is not yet Done */
+    if (ep->xfer_len >= count)
     {
-      /* need to Free USB Buff */
+      ep->xfer_len -= count;
-      if ((wEPVal & USB_EP_DTOG_RX) != 0U)
+    }
-      {
+    else
-        PCD_FreeUserBuffer(hpcd->Instance, ep->num, 1U);
+    {
-      }
+      ep->xfer_len = 0U;
+    }
-      /* Still there is data to Fill in the next Buffer */
-      if (ep->xfer_fill_db == 1U)
+    if (ep->xfer_len == 0U)
-      {
+    {
-        ep->xfer_buff += TxByteNbre;
+      /* set NAK on the current endpoint */
-        ep->xfer_count += TxByteNbre;
+      PCD_SET_EP_RX_STATUS(hpcd->Instance, ep->num, USB_EP_RX_NAK);
+    }
-        /* Calculate the len of the new buffer to fill */
-        if (ep->xfer_len_db >= ep->maxpacket)
+    /*Need to FreeUser Buffer*/
-        {
+    if ((wEPVal & USB_EP_DTOG_TX) == 0U)
-          len = ep->maxpacket;
+    {
-          ep->xfer_len_db -= len;
+      PCD_FREE_USER_BUFFER(hpcd->Instance, ep->num, 0U);
-        }
+    }
-        else if (ep->xfer_len_db == 0U)
-        {
+    if (count != 0U)
-          len = TxByteNbre;
+    {
-          ep->xfer_fill_db = 0U;
+      USB_ReadPMA(hpcd->Instance, ep->xfer_buff, ep->pmaaddr1, count);
-        }
+    }
-        else
+  }
-        {
-          ep->xfer_fill_db = 0U;
+  return count;
-          len = ep->xfer_len_db;
+}
-          ep->xfer_len_db = 0U;
-        }
+/**
-        /* Write remaining Data to Buffer */
+  * @brief  Manage double buffer bulk IN transaction from ISR
-        /* Set the Double buffer counter for pma buffer1 */
+  * @param  hpcd PCD handle
-        PCD_SET_EP_DBUF0_CNT(hpcd->Instance, ep->num, ep->is_in, len);
+  * @param  ep current endpoint handle
+  * @param  wEPVal Last snapshot of EPRx register value taken in ISR
-        /* Copy user buffer to USB PMA */
+  * @retval HAL status
-        USB_WritePMA(hpcd->Instance, ep->xfer_buff,  ep->pmaaddr0, (uint16_t)len);
+  */
-      }
+static HAL_StatusTypeDef HAL_PCD_EP_DB_Transmit(PCD_HandleTypeDef *hpcd,
-    }
+                                                PCD_EPTypeDef *ep, uint16_t wEPVal)
-  }
+{
-  else /* Data Buffer1 ACK received */
+  uint32_t len;
-  {
+  uint16_t TxPctSize;
-    /* multi-packet on the NON control IN endpoint */
-    TxByteNbre = (uint16_t)PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num);
+  /* Data Buffer0 ACK received */
+  if ((wEPVal & USB_EP_DTOG_TX) != 0U)
-    if (ep->xfer_len >= TxByteNbre)
+  {
-    {
+    /* multi-packet on the NON control IN endpoint */
-      ep->xfer_len -= TxByteNbre;
+    TxPctSize = (uint16_t)PCD_GET_EP_DBUF0_CNT(hpcd->Instance, ep->num);
-    }
-    else
+    if (ep->xfer_len > TxPctSize)
     {
-      ep->xfer_len = 0U;
+      ep->xfer_len -= TxPctSize;
     }
+    else
-    /* Transfer is completed */
+    {
-    if (ep->xfer_len == 0U)
+      ep->xfer_len = 0U;
-    {
+    }
-      PCD_SET_EP_DBUF0_CNT(hpcd->Instance, ep->num, ep->is_in, 0U);
-      PCD_SET_EP_DBUF1_CNT(hpcd->Instance, ep->num, ep->is_in, 0U);
+    /* Transfer is completed */
+    if (ep->xfer_len == 0U)
-      /* TX COMPLETE */
+    {
-#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+      PCD_SET_EP_DBUF0_CNT(hpcd->Instance, ep->num, ep->is_in, 0U);
-      hpcd->DataInStageCallback(hpcd, ep->num);
+      PCD_SET_EP_DBUF1_CNT(hpcd->Instance, ep->num, ep->is_in, 0U);
-#else
-      HAL_PCD_DataInStageCallback(hpcd, ep->num);
+      /* TX COMPLETE */
-#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+      hpcd->DataInStageCallback(hpcd, ep->num);
-      /* need to Free USB Buff */
+#else
-      if ((wEPVal & USB_EP_DTOG_RX) == 0U)
+      HAL_PCD_DataInStageCallback(hpcd, ep->num);
-      {
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
-        PCD_FreeUserBuffer(hpcd->Instance, ep->num, 1U);
-      }
+      if ((wEPVal & USB_EP_DTOG_RX) != 0U)
-    }
+      {
-    else /* Transfer is not yet Done */
+        PCD_FREE_USER_BUFFER(hpcd->Instance, ep->num, 1U);
-    {
+      }
-      /* need to Free USB Buff */
+    }
-      if ((wEPVal & USB_EP_DTOG_RX) == 0U)
+    else /* Transfer is not yet Done */
-      {
+    {
-        PCD_FreeUserBuffer(hpcd->Instance, ep->num, 1U);
+      /* need to Free USB Buff */
-      }
+      if ((wEPVal & USB_EP_DTOG_RX) != 0U)
+      {
-      /* Still there is data to Fill in the next Buffer */
+        PCD_FREE_USER_BUFFER(hpcd->Instance, ep->num, 1U);
-      if (ep->xfer_fill_db == 1U)
+      }
-      {
-        ep->xfer_buff += TxByteNbre;
+      /* Still there is data to Fill in the next Buffer */
-        ep->xfer_count += TxByteNbre;
+      if (ep->xfer_fill_db == 1U)
+      {
-        /* Calculate the len of the new buffer to fill */
+        ep->xfer_buff += TxPctSize;
-        if (ep->xfer_len_db >= ep->maxpacket)
+        ep->xfer_count += TxPctSize;
-        {
-          len = ep->maxpacket;
+        /* Calculate the len of the new buffer to fill */
-          ep->xfer_len_db -= len;
+        if (ep->xfer_len_db >= ep->maxpacket)
-        }
+        {
-        else if (ep->xfer_len_db == 0U)
+          len = ep->maxpacket;
-        {
+          ep->xfer_len_db -= len;
-          len = TxByteNbre;
+        }
-          ep->xfer_fill_db = 0U;
+        else if (ep->xfer_len_db == 0U)
-        }
+        {
-        else
+          len = TxPctSize;
-        {
+          ep->xfer_fill_db = 0U;
-          len = ep->xfer_len_db;
+        }
-          ep->xfer_len_db = 0U;
+        else
-          ep->xfer_fill_db = 0;
+        {
-        }
+          ep->xfer_fill_db = 0U;
+          len = ep->xfer_len_db;
-        /* Set the Double buffer counter for pmabuffer1 */
+          ep->xfer_len_db = 0U;
-        PCD_SET_EP_DBUF1_CNT(hpcd->Instance, ep->num, ep->is_in, len);
+        }
-        /* Copy the user buffer to USB PMA */
+        /* Write remaining Data to Buffer */
-        USB_WritePMA(hpcd->Instance, ep->xfer_buff,  ep->pmaaddr1, (uint16_t)len);
+        /* Set the Double buffer counter for pma buffer1 */
-      }
+        PCD_SET_EP_DBUF0_CNT(hpcd->Instance, ep->num, ep->is_in, len);
-    }
-  }
+        /* Copy user buffer to USB PMA */
+        USB_WritePMA(hpcd->Instance, ep->xfer_buff,  ep->pmaaddr0, (uint16_t)len);
-  /*enable endpoint IN*/
+      }
-  PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_VALID);
+    }
+  }
-  return HAL_OK;
+  else /* Data Buffer1 ACK received */
-}
+  {
+    /* multi-packet on the NON control IN endpoint */
+    TxPctSize = (uint16_t)PCD_GET_EP_DBUF1_CNT(hpcd->Instance, ep->num);
-/**
+    if (ep->xfer_len >= TxPctSize)
-  * @}
+    {
-  */
+      ep->xfer_len -= TxPctSize;
-#endif /* defined (USB) */
+    }
-#endif /* HAL_PCD_MODULE_ENABLED */
+    else
+    {
-/**
+      ep->xfer_len = 0U;
-  * @}
+    }
-  */
+    /* Transfer is completed */
-/**
+    if (ep->xfer_len == 0U)
-  * @}
+    {
-  */
+      PCD_SET_EP_DBUF0_CNT(hpcd->Instance, ep->num, ep->is_in, 0U);
+      PCD_SET_EP_DBUF1_CNT(hpcd->Instance, ep->num, ep->is_in, 0U);
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+      /* TX COMPLETE */
+#if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
+      hpcd->DataInStageCallback(hpcd, ep->num);
+#else
+      HAL_PCD_DataInStageCallback(hpcd, ep->num);
+#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
+      /* need to Free USB Buff */
+      if ((wEPVal & USB_EP_DTOG_RX) == 0U)
+      {
+        PCD_FREE_USER_BUFFER(hpcd->Instance, ep->num, 1U);
+      }
+    }
+    else /* Transfer is not yet Done */
+    {
+      /* need to Free USB Buff */
+      if ((wEPVal & USB_EP_DTOG_RX) == 0U)
+      {
+        PCD_FREE_USER_BUFFER(hpcd->Instance, ep->num, 1U);
+      }
+      /* Still there is data to Fill in the next Buffer */
+      if (ep->xfer_fill_db == 1U)
+      {
+        ep->xfer_buff += TxPctSize;
+        ep->xfer_count += TxPctSize;
+        /* Calculate the len of the new buffer to fill */
+        if (ep->xfer_len_db >= ep->maxpacket)
+        {
+          len = ep->maxpacket;
+          ep->xfer_len_db -= len;
+        }
+        else if (ep->xfer_len_db == 0U)
+        {
+          len = TxPctSize;
+          ep->xfer_fill_db = 0U;
+        }
+        else
+        {
+          len = ep->xfer_len_db;
+          ep->xfer_len_db = 0U;
+          ep->xfer_fill_db = 0;
+        }
+        /* Set the Double buffer counter for pmabuffer1 */
+        PCD_SET_EP_DBUF1_CNT(hpcd->Instance, ep->num, ep->is_in, len);
+        /* Copy the user buffer to USB PMA */
+        USB_WritePMA(hpcd->Instance, ep->xfer_buff,  ep->pmaaddr1, (uint16_t)len);
+      }
+    }
+  }
+  /*enable endpoint IN*/
+  PCD_SET_EP_TX_STATUS(hpcd->Instance, ep->num, USB_EP_TX_VALID);
+  return HAL_OK;
+}
+#endif /* (USE_USB_DOUBLE_BUFFER == 1U) */
+/**
+  * @}
+  */
+#endif /* defined (USB) */
+#endif /* HAL_PCD_MODULE_ENABLED */
+/**
+  * @}
+  */
+/**
+  * @}
+  */

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(root)/branches/Dashboard_L152_v2/Drivers/STM32L1xx_HAL_Driver/Src/stm32l1xx_hal_pcd.c – Rev 61 → 77