WebSVN – DashDisplay – Diff – /branches/Dashboard_L152_v2/Drivers/STM32L1xx_HAL_Driver/Src/stm32l1xx_hal_dac_ex.c

 /**
   ******************************************************************************
   * @file    stm32l1xx_hal_dac_ex.c
   * @author  MCD Application Team
   * @brief   Extended DAC HAL module driver.
   *          This file provides firmware functions to manage the extended
   *          functionalities of the DAC peripheral.
   *
   *
-  @verbatim
+  ******************************************************************************
-  ==============================================================================
+  * @attention
-                      ##### How to use this driver #####
+  *
-  ==============================================================================
+  * Copyright (c) 2016 STMicroelectronics.
-    [..]
+  * All rights reserved.
+  *
-     *** Dual mode IO operation ***
+  * This software is licensed under terms that can be found in the LICENSE file
-     ==============================
+  * in the root directory of this software component.
-     [..]
+  * If no LICENSE file comes with this software, it is provided AS-IS.
-      (+) When Dual mode is enabled (i.e. DAC Channel1 and Channel2 are used simultaneously) :
+  *
-          Use HAL_DACEx_DualGetValue() to get digital data to be converted and use
+  ******************************************************************************
-          HAL_DACEx_DualSetValue() to set digital value to converted simultaneously in
+  @verbatim
-          Channel 1 and Channel 2.
+  ==============================================================================
+                      ##### How to use this driver #####
-     *** Signal generation operation ***
+  ==============================================================================
-     ===================================
+    [..]
-     [..]
+     *** Signal generation operation ***
-      (+) Use HAL_DACEx_TriangleWaveGenerate() to generate Triangle signal.
+     ===================================
-      (+) Use HAL_DACEx_NoiseWaveGenerate() to generate Noise signal.
+     [..]
+      (+) Use HAL_DACEx_TriangleWaveGenerate() to generate Triangle signal.
- @endverbatim
+      (+) Use HAL_DACEx_NoiseWaveGenerate() to generate Noise signal.
-  ******************************************************************************
-  * @attention
+ @endverbatim
-  *
+  ******************************************************************************
-  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
+  */
-  * All rights reserved.</center></h2>
-  *
-  * This software component is licensed by ST under BSD 3-Clause license,
+/* Includes ------------------------------------------------------------------*/
-  * the "License"; You may not use this file except in compliance with the
+#include "stm32l1xx_hal.h"
-  * License. You may obtain a copy of the License at:
-  *                        opensource.org/licenses/BSD-3-Clause
+/** @addtogroup STM32L1xx_HAL_Driver
-  *
+  * @{
-  ******************************************************************************
+  */
-  */
+#ifdef HAL_DAC_MODULE_ENABLED
-/* Includes ------------------------------------------------------------------*/
+#if defined(DAC1)
-#include "stm32l1xx_hal.h"
+/** @defgroup DACEx DACEx
-/** @addtogroup STM32L1xx_HAL_Driver
+  * @brief DAC Extended HAL module driver
   * @{
   */
-#ifdef HAL_DAC_MODULE_ENABLED
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
-#if defined(DAC1)
+/* Private macro -------------------------------------------------------------*/
-/** @defgroup DACEx DACEx
+/* Private variables ---------------------------------------------------------*/
-  * @brief DAC Extended HAL module driver
+/* Private function prototypes -----------------------------------------------*/
-  * @{
+/* Exported functions --------------------------------------------------------*/
-  */
+/** @defgroup DACEx_Exported_Functions DACEx Exported Functions
-/* Private typedef -----------------------------------------------------------*/
+  * @{
-/* Private define ------------------------------------------------------------*/
+  */
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
+/** @defgroup DACEx_Exported_Functions_Group2 IO operation functions
-/* Private function prototypes -----------------------------------------------*/
+  *  @brief    Extended IO operation functions
-/* Exported functions --------------------------------------------------------*/
+  *
+@verbatim
-/** @defgroup DACEx_Exported_Functions DACEx Exported Functions
+  ==============================================================================
-  * @{
+                 ##### Extended features functions #####
-  */
+  ==============================================================================
+    [..]  This section provides functions allowing to:
-/** @defgroup DACEx_Exported_Functions_Group2 IO operation functions
+      (+) Start conversion.
-  *  @brief    Extended IO operation functions
+      (+) Stop conversion.
-  *
+      (+) Start conversion and enable DMA transfer.
-@verbatim
+      (+) Stop conversion and disable DMA transfer.
-  ==============================================================================
+      (+) Get result of conversion.
-                 ##### Extended features functions #####
+      (+) Get result of dual mode conversion.
-  ==============================================================================
-    [..]  This section provides functions allowing to:
+@endverbatim
-      (+) Start conversion.
+  * @{
-      (+) Stop conversion.
+  */
-      (+) Start conversion and enable DMA transfer.
-      (+) Stop conversion and disable DMA transfer.
-      (+) Get result of conversion.
+/**
-      (+) Get result of dual mode conversion.
+  * @brief  Enables DAC and starts conversion of both channels.
+  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
-@endverbatim
+  *         the configuration information for the specified DAC.
-  * @{
+  * @retval HAL status
   */
+HAL_StatusTypeDef HAL_DACEx_DualStart(DAC_HandleTypeDef *hdac)
+{
-/**
+  uint32_t tmp_swtrig = 0UL;
-  * @brief  Enables DAC and starts conversion of both channels.
-  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
+  /* Check the DAC peripheral handle */
-  *         the configuration information for the specified DAC.
+  if (hdac == NULL)
-  * @retval HAL status
+  {
-  */
+    return HAL_ERROR;
-HAL_StatusTypeDef HAL_DACEx_DualStart(DAC_HandleTypeDef *hdac)
+  }
-{
-  uint32_t tmp_swtrig = 0UL;
+  /* Process locked */
+  __HAL_LOCK(hdac);
-  /* Process locked */
-  __HAL_LOCK(hdac);
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_BUSY;
-  /* Change DAC state */
-  hdac->State = HAL_DAC_STATE_BUSY;
+  /* Enable the Peripheral */
+  __HAL_DAC_ENABLE(hdac, DAC_CHANNEL_1);
-  /* Enable the Peripheral */
+  __HAL_DAC_ENABLE(hdac, DAC_CHANNEL_2);
-  __HAL_DAC_ENABLE(hdac, DAC_CHANNEL_1);
-  __HAL_DAC_ENABLE(hdac, DAC_CHANNEL_2);
+  /* Check if software trigger enabled */
+  if ((hdac->Instance->CR & (DAC_CR_TEN1 | DAC_CR_TSEL1)) == DAC_TRIGGER_SOFTWARE)
-  /* Check if software trigger enabled */
+  {
-  if ((hdac->Instance->CR & (DAC_CR_TEN1 | DAC_CR_TSEL1)) == DAC_TRIGGER_SOFTWARE)
+    tmp_swtrig |= DAC_SWTRIGR_SWTRIG1;
-  {
+  }
-    tmp_swtrig |= DAC_SWTRIGR_SWTRIG1;
+  if ((hdac->Instance->CR & (DAC_CR_TEN2 | DAC_CR_TSEL2)) == (DAC_TRIGGER_SOFTWARE << (DAC_CHANNEL_2 & 0x10UL)))
-  }
+  {
-  if ((hdac->Instance->CR & (DAC_CR_TEN2 | DAC_CR_TSEL2)) == (DAC_TRIGGER_SOFTWARE << (DAC_CHANNEL_2 & 0x10UL)))
+    tmp_swtrig |= DAC_SWTRIGR_SWTRIG2;
-  {
+  }
-    tmp_swtrig |= DAC_SWTRIGR_SWTRIG2;
+  /* Enable the selected DAC software conversion*/
-  }
+  SET_BIT(hdac->Instance->SWTRIGR, tmp_swtrig);
-  /* Enable the selected DAC software conversion*/
-  SET_BIT(hdac->Instance->SWTRIGR, tmp_swtrig);
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_READY;
-  /* Change DAC state */
-  hdac->State = HAL_DAC_STATE_READY;
+  /* Process unlocked */
+  __HAL_UNLOCK(hdac);
-  /* Process unlocked */
-  __HAL_UNLOCK(hdac);
+  /* Return function status */
+  return HAL_OK;
-  /* Return function status */
+}
-  return HAL_OK;
-}
+/**
+  * @brief  Disables DAC and stop conversion of both channels.
-/**
+  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
-  * @brief  Disables DAC and stop conversion of both channels.
+  *         the configuration information for the specified DAC.
-  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
+  * @retval HAL status
-  *         the configuration information for the specified DAC.
+  */
-  * @retval HAL status
+HAL_StatusTypeDef HAL_DACEx_DualStop(DAC_HandleTypeDef *hdac)
-  */
+{
-HAL_StatusTypeDef HAL_DACEx_DualStop(DAC_HandleTypeDef *hdac)
+  /* Check the DAC peripheral handle */
-{
+  if (hdac == NULL)
+  {
-  /* Disable the Peripheral */
+    return HAL_ERROR;
-  __HAL_DAC_DISABLE(hdac, DAC_CHANNEL_1);
+  }
-  __HAL_DAC_DISABLE(hdac, DAC_CHANNEL_2);
-  /* Change DAC state */
+  /* Disable the Peripheral */
-  hdac->State = HAL_DAC_STATE_READY;
+  __HAL_DAC_DISABLE(hdac, DAC_CHANNEL_1);
+  __HAL_DAC_DISABLE(hdac, DAC_CHANNEL_2);
-  /* Return function status */
-  return HAL_OK;
+  /* Change DAC state */
-}
+  hdac->State = HAL_DAC_STATE_READY;
+  /* Return function status */
-/**
+  return HAL_OK;
-  * @brief  Enable or disable the selected DAC channel wave generation.
+}
-  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
-  *         the configuration information for the specified DAC.
-  * @param  Channel The selected DAC channel.
+/**
-  *          This parameter can be one of the following values:
+  * @brief  Enable or disable the selected DAC channel wave generation.
-  *            @arg DAC_CHANNEL_1: DAC Channel1 selected
+  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
-  *            @arg DAC_CHANNEL_2: DAC Channel2 selected
+  *         the configuration information for the specified DAC.
-  * @param  Amplitude Select max triangle amplitude.
+  * @param  Channel The selected DAC channel.
   *          This parameter can be one of the following values:
-  *            @arg DAC_TRIANGLEAMPLITUDE_1: Select max triangle amplitude of 1
+  *            @arg DAC_CHANNEL_1: DAC Channel1 selected
-  *            @arg DAC_TRIANGLEAMPLITUDE_3: Select max triangle amplitude of 3
+  *            @arg DAC_CHANNEL_2: DAC Channel2 selected
-  *            @arg DAC_TRIANGLEAMPLITUDE_7: Select max triangle amplitude of 7
+  * @param  Amplitude Select max triangle amplitude.
-  *            @arg DAC_TRIANGLEAMPLITUDE_15: Select max triangle amplitude of 15
+  *          This parameter can be one of the following values:
-  *            @arg DAC_TRIANGLEAMPLITUDE_31: Select max triangle amplitude of 31
+  *            @arg DAC_TRIANGLEAMPLITUDE_1: Select max triangle amplitude of 1
-  *            @arg DAC_TRIANGLEAMPLITUDE_63: Select max triangle amplitude of 63
+  *            @arg DAC_TRIANGLEAMPLITUDE_3: Select max triangle amplitude of 3
-  *            @arg DAC_TRIANGLEAMPLITUDE_127: Select max triangle amplitude of 127
+  *            @arg DAC_TRIANGLEAMPLITUDE_7: Select max triangle amplitude of 7
-  *            @arg DAC_TRIANGLEAMPLITUDE_255: Select max triangle amplitude of 255
+  *            @arg DAC_TRIANGLEAMPLITUDE_15: Select max triangle amplitude of 15
-  *            @arg DAC_TRIANGLEAMPLITUDE_511: Select max triangle amplitude of 511
+  *            @arg DAC_TRIANGLEAMPLITUDE_31: Select max triangle amplitude of 31
-  *            @arg DAC_TRIANGLEAMPLITUDE_1023: Select max triangle amplitude of 1023
+  *            @arg DAC_TRIANGLEAMPLITUDE_63: Select max triangle amplitude of 63
-  *            @arg DAC_TRIANGLEAMPLITUDE_2047: Select max triangle amplitude of 2047
+  *            @arg DAC_TRIANGLEAMPLITUDE_127: Select max triangle amplitude of 127
-  *            @arg DAC_TRIANGLEAMPLITUDE_4095: Select max triangle amplitude of 4095
+  *            @arg DAC_TRIANGLEAMPLITUDE_255: Select max triangle amplitude of 255
-  * @retval HAL status
+  *            @arg DAC_TRIANGLEAMPLITUDE_511: Select max triangle amplitude of 511
-  */
+  *            @arg DAC_TRIANGLEAMPLITUDE_1023: Select max triangle amplitude of 1023
-HAL_StatusTypeDef HAL_DACEx_TriangleWaveGenerate(DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t Amplitude)
+  *            @arg DAC_TRIANGLEAMPLITUDE_2047: Select max triangle amplitude of 2047
-{
+  *            @arg DAC_TRIANGLEAMPLITUDE_4095: Select max triangle amplitude of 4095
-  /* Check the parameters */
+  * @retval HAL status
-  assert_param(IS_DAC_CHANNEL(Channel));
+  */
-  assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
+HAL_StatusTypeDef HAL_DACEx_TriangleWaveGenerate(DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t Amplitude)
+{
-  /* Process locked */
+  /* Check the DAC peripheral handle */
-  __HAL_LOCK(hdac);
+  if (hdac == NULL)
+  {
-  /* Change DAC state */
+    return HAL_ERROR;
-  hdac->State = HAL_DAC_STATE_BUSY;
+  }
-  /* Enable the triangle wave generation for the selected DAC channel */
+  /* Check the parameters */
-  MODIFY_REG(hdac->Instance->CR, ((DAC_CR_WAVE1) | (DAC_CR_MAMP1)) << (Channel & 0x10UL),
+  assert_param(IS_DAC_CHANNEL(Channel));
-             (DAC_CR_WAVE1_1 | Amplitude) << (Channel & 0x10UL));
+  assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
-  /* Change DAC state */
+  /* Process locked */
-  hdac->State = HAL_DAC_STATE_READY;
+  __HAL_LOCK(hdac);
-  /* Process unlocked */
+  /* Change DAC state */
-  __HAL_UNLOCK(hdac);
+  hdac->State = HAL_DAC_STATE_BUSY;
-  /* Return function status */
+  /* Enable the triangle wave generation for the selected DAC channel */
-  return HAL_OK;
+  MODIFY_REG(hdac->Instance->CR, ((DAC_CR_WAVE1) | (DAC_CR_MAMP1)) << (Channel & 0x10UL),
-}
+             (DAC_CR_WAVE1_1 | Amplitude) << (Channel & 0x10UL));
-/**
+  /* Change DAC state */
-  * @brief  Enable or disable the selected DAC channel wave generation.
+  hdac->State = HAL_DAC_STATE_READY;
-  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
-  *         the configuration information for the specified DAC.
+  /* Process unlocked */
-  * @param  Channel The selected DAC channel.
+  __HAL_UNLOCK(hdac);
-  *          This parameter can be one of the following values:
-  *            @arg DAC_CHANNEL_1: DAC Channel1 selected
+  /* Return function status */
-  *            @arg DAC_CHANNEL_2: DAC Channel2 selected
+  return HAL_OK;
-  * @param  Amplitude Unmask DAC channel LFSR for noise wave generation.
+}
-  *          This parameter can be one of the following values:
-  *            @arg DAC_LFSRUNMASK_BIT0: Unmask DAC channel LFSR bit0 for noise wave generation
+/**
-  *            @arg DAC_LFSRUNMASK_BITS1_0: Unmask DAC channel LFSR bit[1:0] for noise wave generation
+  * @brief  Enable or disable the selected DAC channel wave generation.
-  *            @arg DAC_LFSRUNMASK_BITS2_0: Unmask DAC channel LFSR bit[2:0] for noise wave generation
+  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
-  *            @arg DAC_LFSRUNMASK_BITS3_0: Unmask DAC channel LFSR bit[3:0] for noise wave generation
+  *         the configuration information for the specified DAC.
-  *            @arg DAC_LFSRUNMASK_BITS4_0: Unmask DAC channel LFSR bit[4:0] for noise wave generation
+  * @param  Channel The selected DAC channel.
-  *            @arg DAC_LFSRUNMASK_BITS5_0: Unmask DAC channel LFSR bit[5:0] for noise wave generation
+  *          This parameter can be one of the following values:
-  *            @arg DAC_LFSRUNMASK_BITS6_0: Unmask DAC channel LFSR bit[6:0] for noise wave generation
+  *            @arg DAC_CHANNEL_1: DAC Channel1 selected
-  *            @arg DAC_LFSRUNMASK_BITS7_0: Unmask DAC channel LFSR bit[7:0] for noise wave generation
+  *            @arg DAC_CHANNEL_2: DAC Channel2 selected
-  *            @arg DAC_LFSRUNMASK_BITS8_0: Unmask DAC channel LFSR bit[8:0] for noise wave generation
+  * @param  Amplitude Unmask DAC channel LFSR for noise wave generation.
-  *            @arg DAC_LFSRUNMASK_BITS9_0: Unmask DAC channel LFSR bit[9:0] for noise wave generation
+  *          This parameter can be one of the following values:
-  *            @arg DAC_LFSRUNMASK_BITS10_0: Unmask DAC channel LFSR bit[10:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BIT0: Unmask DAC channel LFSR bit0 for noise wave generation
-  *            @arg DAC_LFSRUNMASK_BITS11_0: Unmask DAC channel LFSR bit[11:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS1_0: Unmask DAC channel LFSR bit[1:0] for noise wave generation
-  * @retval HAL status
+  *            @arg DAC_LFSRUNMASK_BITS2_0: Unmask DAC channel LFSR bit[2:0] for noise wave generation
-  */
+  *            @arg DAC_LFSRUNMASK_BITS3_0: Unmask DAC channel LFSR bit[3:0] for noise wave generation
-HAL_StatusTypeDef HAL_DACEx_NoiseWaveGenerate(DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t Amplitude)
+  *            @arg DAC_LFSRUNMASK_BITS4_0: Unmask DAC channel LFSR bit[4:0] for noise wave generation
-{
+  *            @arg DAC_LFSRUNMASK_BITS5_0: Unmask DAC channel LFSR bit[5:0] for noise wave generation
-  /* Check the parameters */
+  *            @arg DAC_LFSRUNMASK_BITS6_0: Unmask DAC channel LFSR bit[6:0] for noise wave generation
-  assert_param(IS_DAC_CHANNEL(Channel));
+  *            @arg DAC_LFSRUNMASK_BITS7_0: Unmask DAC channel LFSR bit[7:0] for noise wave generation
-  assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
+  *            @arg DAC_LFSRUNMASK_BITS8_0: Unmask DAC channel LFSR bit[8:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS9_0: Unmask DAC channel LFSR bit[9:0] for noise wave generation
-  /* Process locked */
+  *            @arg DAC_LFSRUNMASK_BITS10_0: Unmask DAC channel LFSR bit[10:0] for noise wave generation
-  __HAL_LOCK(hdac);
+  *            @arg DAC_LFSRUNMASK_BITS11_0: Unmask DAC channel LFSR bit[11:0] for noise wave generation
+  * @retval HAL status
-  /* Change DAC state */
+  */
-  hdac->State = HAL_DAC_STATE_BUSY;
+HAL_StatusTypeDef HAL_DACEx_NoiseWaveGenerate(DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t Amplitude)
+{
-  /* Enable the noise wave generation for the selected DAC channel */
+  /* Check the DAC peripheral handle */
-  MODIFY_REG(hdac->Instance->CR, ((DAC_CR_WAVE1) | (DAC_CR_MAMP1)) << (Channel & 0x10UL),
+  if (hdac == NULL)
-             (DAC_CR_WAVE1_0 | Amplitude) << (Channel & 0x10UL));
+  {
+    return HAL_ERROR;
-  /* Change DAC state */
+  }
-  hdac->State = HAL_DAC_STATE_READY;
+  /* Check the parameters */
-  /* Process unlocked */
+  assert_param(IS_DAC_CHANNEL(Channel));
-  __HAL_UNLOCK(hdac);
+  assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
-  /* Return function status */
+  /* Process locked */
-  return HAL_OK;
+  __HAL_LOCK(hdac);
-}
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_BUSY;
-/**
-  * @brief  Set the specified data holding register value for dual DAC channel.
+  /* Enable the noise wave generation for the selected DAC channel */
-  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
+  MODIFY_REG(hdac->Instance->CR, ((DAC_CR_WAVE1) | (DAC_CR_MAMP1)) << (Channel & 0x10UL),
-  *               the configuration information for the specified DAC.
+             (DAC_CR_WAVE1_0 | Amplitude) << (Channel & 0x10UL));
-  * @param  Alignment Specifies the data alignment for dual channel DAC.
-  *          This parameter can be one of the following values:
+  /* Change DAC state */
-  *            DAC_ALIGN_8B_R: 8bit right data alignment selected
+  hdac->State = HAL_DAC_STATE_READY;
-  *            DAC_ALIGN_12B_L: 12bit left data alignment selected
-  *            DAC_ALIGN_12B_R: 12bit right data alignment selected
+  /* Process unlocked */
-  * @param  Data1 Data for DAC Channel1 to be loaded in the selected data holding register.
+  __HAL_UNLOCK(hdac);
-  * @param  Data2 Data for DAC Channel2 to be loaded in the selected data  holding register.
-  * @note   In dual mode, a unique register access is required to write in both
+  /* Return function status */
-  *          DAC channels at the same time.
+  return HAL_OK;
-  * @retval HAL status
+}
-  */
-HAL_StatusTypeDef HAL_DACEx_DualSetValue(DAC_HandleTypeDef *hdac, uint32_t Alignment, uint32_t Data1, uint32_t Data2)
-{
+/**
-  uint32_t data;
+  * @brief  Set the specified data holding register value for dual DAC channel.
-  uint32_t tmp;
+  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
+  *               the configuration information for the specified DAC.
-  /* Check the parameters */
+  * @param  Alignment Specifies the data alignment for dual channel DAC.
-  assert_param(IS_DAC_ALIGN(Alignment));
+  *          This parameter can be one of the following values:
-  assert_param(IS_DAC_DATA(Data1));
+  *            DAC_ALIGN_8B_R: 8bit right data alignment selected
-  assert_param(IS_DAC_DATA(Data2));
+  *            DAC_ALIGN_12B_L: 12bit left data alignment selected
+  *            DAC_ALIGN_12B_R: 12bit right data alignment selected
-  /* Calculate and set dual DAC data holding register value */
+  * @param  Data1 Data for DAC Channel1 to be loaded in the selected data holding register.
-  if (Alignment == DAC_ALIGN_8B_R)
+  * @param  Data2 Data for DAC Channel2 to be loaded in the selected data  holding register.
-  {
+  * @note   In dual mode, a unique register access is required to write in both
-    data = ((uint32_t)Data2 << 8U) | Data1;
+  *          DAC channels at the same time.
-  }
+  * @retval HAL status
-  else
+  */
-  {
+HAL_StatusTypeDef HAL_DACEx_DualSetValue(DAC_HandleTypeDef *hdac, uint32_t Alignment, uint32_t Data1, uint32_t Data2)
-    data = ((uint32_t)Data2 << 16U) | Data1;
+{
-  }
+  uint32_t data;
+  uint32_t tmp;
-  tmp = (uint32_t)hdac->Instance;
-  tmp += DAC_DHR12RD_ALIGNMENT(Alignment);
+  /* Check the DAC peripheral handle */
+  if (hdac == NULL)
-  /* Set the dual DAC selected data holding register */
+  {
-  *(__IO uint32_t *)tmp = data;
+    return HAL_ERROR;
+  }
-  /* Return function status */
-  return HAL_OK;
+  /* Check the parameters */
-}
+  assert_param(IS_DAC_ALIGN(Alignment));
+  assert_param(IS_DAC_DATA(Data1));
-/**
+  assert_param(IS_DAC_DATA(Data2));
-  * @brief  Conversion complete callback in non-blocking mode for Channel2.
-  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
+  /* Calculate and set dual DAC data holding register value */
-  *         the configuration information for the specified DAC.
+  if (Alignment == DAC_ALIGN_8B_R)
-  * @retval None
+  {
-  */
+    data = ((uint32_t)Data2 << 8U) | Data1;
-__weak void HAL_DACEx_ConvCpltCallbackCh2(DAC_HandleTypeDef *hdac)
+  }
-{
+  else
-  /* Prevent unused argument(s) compilation warning */
+  {
-  UNUSED(hdac);
+    data = ((uint32_t)Data2 << 16U) | Data1;
+  }
-  /* NOTE : This function should not be modified, when the callback is needed,
-            the HAL_DACEx_ConvCpltCallbackCh2 could be implemented in the user file
+  tmp = (uint32_t)hdac->Instance;
-   */
+  tmp += DAC_DHR12RD_ALIGNMENT(Alignment);
-}
+  /* Set the dual DAC selected data holding register */
-/**
+  *(__IO uint32_t *)tmp = data;
-  * @brief  Conversion half DMA transfer callback in non-blocking mode for Channel2.
-  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
+  /* Return function status */
-  *         the configuration information for the specified DAC.
+  return HAL_OK;
-  * @retval None
+}
-  */
-__weak void HAL_DACEx_ConvHalfCpltCallbackCh2(DAC_HandleTypeDef *hdac)
+/**
-{
+  * @brief  Conversion complete callback in non-blocking mode for Channel2.
-  /* Prevent unused argument(s) compilation warning */
+  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
-  UNUSED(hdac);
+  *         the configuration information for the specified DAC.
+  * @retval None
-  /* NOTE : This function should not be modified, when the callback is needed,
+  */
-            the HAL_DACEx_ConvHalfCpltCallbackCh2 could be implemented in the user file
+__weak void HAL_DACEx_ConvCpltCallbackCh2(DAC_HandleTypeDef *hdac)
-   */
+{
-}
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hdac);
-/**
-  * @brief  Error DAC callback for Channel2.
+  /* NOTE : This function should not be modified, when the callback is needed,
-  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
+            the HAL_DACEx_ConvCpltCallbackCh2 could be implemented in the user file
-  *         the configuration information for the specified DAC.
+   */
-  * @retval None
+}
-  */
-__weak void HAL_DACEx_ErrorCallbackCh2(DAC_HandleTypeDef *hdac)
+/**
-{
+  * @brief  Conversion half DMA transfer callback in non-blocking mode for Channel2.
-  /* Prevent unused argument(s) compilation warning */
+  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
-  UNUSED(hdac);
+  *         the configuration information for the specified DAC.
+  * @retval None
-  /* NOTE : This function should not be modified, when the callback is needed,
+  */
-            the HAL_DACEx_ErrorCallbackCh2 could be implemented in the user file
+__weak void HAL_DACEx_ConvHalfCpltCallbackCh2(DAC_HandleTypeDef *hdac)
-   */
+{
-}
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hdac);
-/**
-  * @brief  DMA underrun DAC callback for Channel2.
+  /* NOTE : This function should not be modified, when the callback is needed,
-  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
+            the HAL_DACEx_ConvHalfCpltCallbackCh2 could be implemented in the user file
-  *         the configuration information for the specified DAC.
+   */
-  * @retval None
+}
-  */
-__weak void HAL_DACEx_DMAUnderrunCallbackCh2(DAC_HandleTypeDef *hdac)
+/**
-{
+  * @brief  Error DAC callback for Channel2.
-  /* Prevent unused argument(s) compilation warning */
+  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
-  UNUSED(hdac);
+  *         the configuration information for the specified DAC.
+  * @retval None
-  /* NOTE : This function should not be modified, when the callback is needed,
+  */
-            the HAL_DACEx_DMAUnderrunCallbackCh2 could be implemented in the user file
+__weak void HAL_DACEx_ErrorCallbackCh2(DAC_HandleTypeDef *hdac)
-   */
+{
-}
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hdac);
+  /* NOTE : This function should not be modified, when the callback is needed,
-/**
+            the HAL_DACEx_ErrorCallbackCh2 could be implemented in the user file
-  * @}
+   */
-  */
+}
-/** @defgroup DACEx_Exported_Functions_Group3 Peripheral Control functions
+/**
-  *  @brief    Extended Peripheral Control functions
+  * @brief  DMA underrun DAC callback for Channel2.
-  *
+  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
-@verbatim
+  *         the configuration information for the specified DAC.
-  ==============================================================================
+  * @retval None
-             ##### Peripheral Control functions #####
+  */
-  ==============================================================================
+__weak void HAL_DACEx_DMAUnderrunCallbackCh2(DAC_HandleTypeDef *hdac)
-    [..]  This section provides functions allowing to:
+{
-      (+) Set the specified data holding register value for DAC channel.
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hdac);
-@endverbatim
-  * @{
+  /* NOTE : This function should not be modified, when the callback is needed,
-  */
+            the HAL_DACEx_DMAUnderrunCallbackCh2 could be implemented in the user file
+   */
+}
-/**
-  * @brief  Return the last data output value of the selected DAC channel.
-  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
-  *         the configuration information for the specified DAC.
+/**
-  * @retval The selected DAC channel data output value.
+  * @}
   */
-uint32_t HAL_DACEx_DualGetValue(DAC_HandleTypeDef *hdac)
-{
+/** @defgroup DACEx_Exported_Functions_Group3 Peripheral Control functions
-  uint32_t tmp = 0UL;
+  *  @brief    Extended Peripheral Control functions
+  *
-  tmp |= hdac->Instance->DOR1;
+@verbatim
+  ==============================================================================
-  tmp |= hdac->Instance->DOR2 << 16UL;
+             ##### Peripheral Control functions #####
+  ==============================================================================
-  /* Returns the DAC channel data output register value */
+    [..]  This section provides functions allowing to:
-  return tmp;
+      (+) Set the specified data holding register value for DAC channel.
-}
+@endverbatim
+  * @{
-/**
+  */
-  * @}
-  */
 /**
-  * @}
+  * @brief  Return the last data output value of the selected DAC channel.
-  */
+  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
+  *         the configuration information for the specified DAC.
-/* Private functions ---------------------------------------------------------*/
+  * @retval The selected DAC channel data output value.
-/** @defgroup DACEx_Private_Functions DACEx private functions
+  */
-  *  @brief    Extended private functions
+uint32_t HAL_DACEx_DualGetValue(const DAC_HandleTypeDef *hdac)
-  * @{
+{
-  */
+  uint32_t tmp = 0UL;
+  tmp |= hdac->Instance->DOR1;
-/**
-  * @brief  DMA conversion complete callback.
+  tmp |= hdac->Instance->DOR2 << 16UL;
-  * @param  hdma pointer to a DMA_HandleTypeDef structure that contains
-  *                the configuration information for the specified DMA module.
+  /* Returns the DAC channel data output register value */
-  * @retval None
+  return tmp;
-  */
+}
-void DAC_DMAConvCpltCh2(DMA_HandleTypeDef *hdma)
-{
-  DAC_HandleTypeDef *hdac = (DAC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+/**
+  * @}
-#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
+  */
-  hdac->ConvCpltCallbackCh2(hdac);
+/**
-#else
+  * @}
-  HAL_DACEx_ConvCpltCallbackCh2(hdac);
+  */
-#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
+/* Private functions ---------------------------------------------------------*/
-  hdac->State = HAL_DAC_STATE_READY;
+/** @defgroup DACEx_Private_Functions DACEx private functions
-}
+  *  @brief    Extended private functions
+  * @{
-/**
+  */
-  * @brief  DMA half transfer complete callback.
-  * @param  hdma pointer to a DMA_HandleTypeDef structure that contains
-  *                the configuration information for the specified DMA module.
+/**
-  * @retval None
+  * @brief  DMA conversion complete callback.
-  */
+  * @param  hdma pointer to a DMA_HandleTypeDef structure that contains
-void DAC_DMAHalfConvCpltCh2(DMA_HandleTypeDef *hdma)
+  *                the configuration information for the specified DMA module.
-{
+  * @retval None
-  DAC_HandleTypeDef *hdac = (DAC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+  */
-  /* Conversion complete callback */
+void DAC_DMAConvCpltCh2(DMA_HandleTypeDef *hdma)
-#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
+{
-  hdac->ConvHalfCpltCallbackCh2(hdac);
+  DAC_HandleTypeDef *hdac = (DAC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-#else
-  HAL_DACEx_ConvHalfCpltCallbackCh2(hdac);
+#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
-#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
+  hdac->ConvCpltCallbackCh2(hdac);
-}
+#else
+  HAL_DACEx_ConvCpltCallbackCh2(hdac);
-/**
+#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
-  * @brief  DMA error callback.
-  * @param  hdma pointer to a DMA_HandleTypeDef structure that contains
+  hdac->State = HAL_DAC_STATE_READY;
-  *                the configuration information for the specified DMA module.
+}
-  * @retval None
-  */
+/**
-void DAC_DMAErrorCh2(DMA_HandleTypeDef *hdma)
+  * @brief  DMA half transfer complete callback.
-{
+  * @param  hdma pointer to a DMA_HandleTypeDef structure that contains
-  DAC_HandleTypeDef *hdac = (DAC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
+  *                the configuration information for the specified DMA module.
+  * @retval None
-  /* Set DAC error code to DMA error */
+  */
-  hdac->ErrorCode |= HAL_DAC_ERROR_DMA;
+void DAC_DMAHalfConvCpltCh2(DMA_HandleTypeDef *hdma)
+{
-#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
+  DAC_HandleTypeDef *hdac = (DAC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-  hdac->ErrorCallbackCh2(hdac);
+  /* Conversion complete callback */
-#else
+#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
-  HAL_DACEx_ErrorCallbackCh2(hdac);
+  hdac->ConvHalfCpltCallbackCh2(hdac);
-#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
+#else
+  HAL_DACEx_ConvHalfCpltCallbackCh2(hdac);
-  hdac->State = HAL_DAC_STATE_READY;
+#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
 }
+/**
-/**
+  * @brief  DMA error callback.
-  * @}
+  * @param  hdma pointer to a DMA_HandleTypeDef structure that contains
-  */
+  *                the configuration information for the specified DMA module.
+  * @retval None
-/**
+  */
-  * @}
+void DAC_DMAErrorCh2(DMA_HandleTypeDef *hdma)
-  */
+{
+  DAC_HandleTypeDef *hdac = (DAC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
-#endif /* DAC1 */
+  /* Set DAC error code to DMA error */
-#endif /* HAL_DAC_MODULE_ENABLED */
+  hdac->ErrorCode |= HAL_DAC_ERROR_DMA;
-/**
+#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
-  * @}
+  hdac->ErrorCallbackCh2(hdac);
-  */
+#else
+  HAL_DACEx_ErrorCallbackCh2(hdac);
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
+  hdac->State = HAL_DAC_STATE_READY;
+}
+/**
+  * @}
+  */
+/**
+  * @}
+  */
+#endif /* DAC1 */
+#endif /* HAL_DAC_MODULE_ENABLED */
+/**
+  * @}
+  */

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