mbed library sources

Fork of mbed-src by mbed official

Revision:
237:f3da66175598
Child:
375:3d36234a1087
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/cmsis/TARGET_STM/TARGET_NUCLEO_F334R8/stm32f3xx_hal_dac_ex.c	Tue Jun 24 14:45:08 2014 +0100
@@ -0,0 +1,987 @@
+/**
+  ******************************************************************************
+  * @file    stm32f3xx_hal_dac_ex.c
+  * @author  MCD Application Team
+  * @version V1.0.1
+  * @date    18-June-2014
+  * @brief   Extended DAC HAL module driver.
+  *
+  *          This file provides firmware functions to manage the following
+  *          functionalities of the Power Controller (DAC) peripheral:
+  *           + Initialization and de-initialization functions
+  *           + Peripheral Control functions
+  @verbatim   
+
+ @endverbatim    
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************  
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f3xx_hal.h"
+
+/** @addtogroup STM32F3xx_HAL_Driver
+  * @{
+  */
+
+/** @addtogroup DAC
+  * @brief DAC HAL module driver
+  * @{
+  */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+
+static void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma);
+static void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma);
+static void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma); 
+
+#if defined(STM32F303xC) || defined(STM32F358xx) || defined(STM32F303x8) || defined(STM32F328xx) || defined(STM32F334x8) || defined(STM32F373xC) || defined(STM32F378xx) 
+/* DAC channel 2 is available on top of DAC channel 1 */
+static void DAC_DMAConvCpltCh2(DMA_HandleTypeDef *hdma);
+static void DAC_DMAErrorCh2(DMA_HandleTypeDef *hdma);
+static void DAC_DMAHalfConvCpltCh2(DMA_HandleTypeDef *hdma); 
+#endif /* STM32F303xC STM32F358xx STM32F303x8 STM32F328xx STM32F302xC STM32F334x8 STM32F373xC STM32F378xx */
+
+/* Private functions ---------------------------------------------------------*/
+
+/** @addtogroup DAC_Private_Functions
+  * @{
+  */
+
+/** @defgroup DAC_Group3 Peripheral Control functions
+ *  @brief   	Peripheral Control functions 
+ *
+@verbatim   
+  ==============================================================================
+             ##### Peripheral Control functions #####
+  ==============================================================================  
+    [..]  This section provides functions allowing to:
+      (+) Set the specified data holding register value for DAC channel.
+      
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Set the specified data holding register value for DAC channel.
+  * @param  hdac: pointer to a DAC_HandleTypeDef structure that contains
+  *         the configuration information for the specified DAC.
+  * @param  channel: The selected DAC channel. 
+  * @param  alignment: Specifies the data alignment for DAC channel.
+  *          This parameter can be one of the following values:
+  *            @arg DAC_ALIGN_8B_R: 8bit right data alignment selected
+  *            @arg DAC_ALIGN_12B_L: 12bit left data alignment selected
+  *            @arg DAC_ALIGN_12B_R: 12bit right data alignment selected
+  * @param  data: Data to be loaded in the selected data holding register.
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t channel, uint32_t alignment, uint32_t data)
+{  
+  __IO uint32_t tmp = 0;
+  
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL(channel));
+  assert_param(IS_DAC_ALIGN(alignment));
+  assert_param(IS_DAC_DATA(data));
+   
+  tmp = (uint32_t) (hdac->Instance);
+
+/* DAC 1 has 1 or 2 channels - no DAC2 */
+#if defined(STM32F302xC) ||  defined(STM32F302x8) || defined(STM32F301x8) ||  defined(STM32F318xx) || defined(STM32F303xC) || defined(STM32F358xx) || defined(STM32F328xx) || \
+    defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F373xC) || defined(STM32F378xx)
+/* DAC 1 has 2 channels 1 & 2 - DAC 2 has one channel 1 */
+
+  if(channel == DAC_CHANNEL_1)
+  {
+    tmp += __HAL_DHR12R1_ALIGNEMENT(alignment);
+  }
+
+#endif
+
+  else /* channel = DAC_CHANNEL_2  */
+  {
+    tmp += __HAL_DHR12R2_ALIGNEMENT(alignment);
+  }
+
+  /* Set the DAC channel1 selected data holding register */
+  *(__IO uint32_t *) tmp = data;
+  
+  /* Return function status */
+  return HAL_OK;
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup DAC_Group2 IO operation functions
+ *  @brief    IO operation functions 
+ *
+@verbatim   
+  ==============================================================================
+             ##### IO operation functions #####
+  ==============================================================================  
+    [..]  This section provides functions allowing to:
+      (+) Start conversion.
+      (+) Stop conversion.
+      (+) Start conversion and enable DMA transfer.
+      (+) Stop conversion and disable DMA transfer.
+      (+) Get result of conversion.
+                     
+@endverbatim
+  * @{
+  */
+
+/* DAC 1 has 2 channels 1 & 2 - DAC 2 has one channel 1 */
+#if  defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F373xC) || defined(STM32F378xx) || \
+     defined(STM32F303xC) || defined(STM32F358xx)
+/* DAC 1 has 2 channels 1 & 2 */
+
+/**
+  * @brief  Enables DAC and starts conversion of channel.
+  * @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:
+  *            @arg DAC_CHANNEL_1: DAC1 Channel1 or DAC2 Channel1 selected
+  *            @arg DAC_CHANNEL_2: DAC1 Channel2 selected
+  * @retval HAL status
+  */
+
+/**
+  * @brief  Enables DAC and starts conversion of channel.
+  * @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:
+  *            @arg DAC_CHANNEL_1: DAC1 Channel1 selected
+  *            @arg DAC_CHANNEL_2: DAC1 Channel2 selected
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t channel)
+{
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL_INSTANCE(hdac->Instance, channel));
+  
+  /* Process locked */
+  __HAL_LOCK(hdac);
+  
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_BUSY;
+  
+  /* Enable the Peripharal */
+  __HAL_DAC_ENABLE(hdac, channel);
+  
+  if(channel == DAC_CHANNEL_1)
+  {
+    /* Check if software trigger enabled */
+    if(((hdac->Instance->CR & DAC_CR_TEN1) ==  DAC_CR_TEN1) && ((hdac->Instance->CR & DAC_CR_TSEL1) ==  DAC_CR_TSEL1))
+    {
+      /* Enable the selected DAC software conversion */
+      hdac->Instance->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG1;
+    }
+  }
+  else
+  {
+    /* Check if software trigger enabled */
+    if(((hdac->Instance->CR & DAC_CR_TEN2) == DAC_CR_TEN2) && ((hdac->Instance->CR & DAC_CR_TSEL2) == DAC_CR_TSEL2))
+    {
+      /* Enable the selected DAC software conversion*/
+      hdac->Instance->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG2;
+    }
+  }
+  
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_READY;
+  
+  /* Process unlocked */
+  __HAL_UNLOCK(hdac);
+    
+  /* Return function status */
+  return HAL_OK;
+}
+#endif
+
+#if defined(STM32F302xC) ||  defined(STM32F302x8) || defined(STM32F301x8) ||  defined(STM32F318xx)
+/* DAC 1 has 1 channels 1 */
+HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t channel)
+{
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL_INSTANCE(hdac->Instance, channel));
+  
+  /* Process locked */
+  __HAL_LOCK(hdac);
+  
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_BUSY;
+  
+  /* Enable the Peripharal */
+  __HAL_DAC_ENABLE(hdac, channel);
+  
+  /* Check if software trigger enabled */
+  if(((hdac->Instance->CR & DAC_CR_TEN1) ==  DAC_CR_TEN1) && ((hdac->Instance->CR & DAC_CR_TSEL1) ==  DAC_CR_TSEL1))
+  {
+    /* Enable the selected DAC software conversion */
+    hdac->Instance->SWTRIGR |= (uint32_t)DAC_SWTRIGR_SWTRIG1;
+  }
+  
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_READY;
+  
+  /* Process unlocked */
+  __HAL_UNLOCK(hdac);
+    
+  /* Return function status */
+  return HAL_OK;
+}
+#endif
+
+/* DAC 1 has 2 channels 1 & 2 - DAC 2 has one channel 1 */
+#if  defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F373xC) || defined(STM32F378xx) || defined(STM32F328xx) || \
+     defined(STM32F303xC) || defined(STM32F358xx)
+/* DAC 1 has 2 channels 1 & 2 */
+
+/**
+  * @brief  Enables DAC and starts conversion of channel.
+  * @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:
+  *            @arg DAC_CHANNEL_1: DAC1 Channel1 selected
+  *            @arg DAC_CHANNEL_2: DAC1 Channel2 selected
+  * @param  pData: The destination peripheral Buffer address.
+  * @param  Length: The length of data to be transferred from memory to DAC peripheral
+  * @param  alignment: Specifies the data alignment for DAC channel.
+  *          This parameter can be one of the following values:
+  *            @arg DAC_Align_8b_R: 8bit right data alignment selected
+  *            @arg DAC_Align_12b_L: 12bit left data alignment selected
+  *            @arg DAC_Align_12b_R: 12bit right data alignment selected
+  * @retval HAL status
+  */
+
+HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef* hdac, uint32_t channel, uint32_t* pData, uint32_t Length, uint32_t alignment)
+{
+  uint32_t tmpreg = 0;
+    
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL_INSTANCE(hdac->Instance, channel));
+  assert_param(IS_DAC_ALIGN(alignment));
+  
+  /* Process locked */
+  __HAL_LOCK(hdac);
+  
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_BUSY;
+
+  if(channel == DAC_CHANNEL_1)
+  {
+    /* Set the DMA transfer complete callback for channel1 */
+    hdac->DMA_Handle1->XferCpltCallback = DAC_DMAConvCpltCh1;
+    
+    /* Set the DMA half transfer complete callback for channel1 */
+    hdac->DMA_Handle1->XferHalfCpltCallback = DAC_DMAHalfConvCpltCh1;
+      
+    /* Set the DMA error callback for channel1 */
+    hdac->DMA_Handle1->XferErrorCallback = DAC_DMAErrorCh1;
+  }
+  else
+  {
+    /* Set the DMA transfer complete callback for channel2 */
+    hdac->DMA_Handle2->XferCpltCallback = DAC_DMAConvCpltCh2;
+    
+    /* Set the DMA half transfer complete callback for channel2 */
+    hdac->DMA_Handle2->XferHalfCpltCallback = DAC_DMAHalfConvCpltCh2;
+       
+    /* Set the DMA error callback for channel2 */
+    hdac->DMA_Handle2->XferErrorCallback = DAC_DMAErrorCh2;
+  }
+  
+ if(channel == DAC_CHANNEL_1)
+  {
+    /* Enable the selected DAC channel1 DMA request */
+    hdac->Instance->CR |= DAC_CR_DMAEN1;
+    
+    /* Case of use of channel 1 */
+    switch(alignment)
+    {
+      case DAC_ALIGN_12B_R:
+        /* Get DHR12R1 address */
+        tmpreg = (uint32_t)&hdac->Instance->DHR12R1;
+        break;
+      case DAC_ALIGN_12B_L:
+        /* Get DHR12L1 address */
+        tmpreg = (uint32_t)&hdac->Instance->DHR12L1;
+        break;
+      case DAC_ALIGN_8B_R:
+        /* Get DHR8R1 address */
+        tmpreg = (uint32_t)&hdac->Instance->DHR8R1;
+        break;
+      default:
+        break;
+    }
+  }
+  else
+  {
+    /* Enable the selected DAC channel2 DMA request */
+    hdac->Instance->CR |= DAC_CR_DMAEN2;
+    
+    /* Case of use of channel 2 */
+    switch(alignment)
+    {
+      case DAC_ALIGN_12B_R:
+        /* Get DHR12R2 address */
+        tmpreg = (uint32_t)&hdac->Instance->DHR12R2;
+        break;
+      case DAC_ALIGN_12B_L:
+        /* Get DHR12L2 address */
+        tmpreg = (uint32_t)&hdac->Instance->DHR12L2;
+        break;
+      case DAC_ALIGN_8B_R:
+        /* Get DHR8R2 address */
+        tmpreg = (uint32_t)&hdac->Instance->DHR8R2;
+        break;
+      default:
+        break;
+    }
+  }
+  
+  /* Enable the DMA Channel */
+  if(channel == DAC_CHANNEL_1)
+  {
+    /* Enable the DAC DMA underrun interrupt */
+    __HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR1);
+
+    /* Enable the DMA Channel */
+    HAL_DMA_Start_IT(hdac->DMA_Handle1, (uint32_t)pData, tmpreg, Length);
+  } 
+  else
+  {
+    /* Enable the DAC DMA underrun interrupt */
+    __HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR2);
+
+    /* Enable the DMA Channel */
+    HAL_DMA_Start_IT(hdac->DMA_Handle2, (uint32_t)pData, tmpreg, Length);
+  }
+ 
+  /* Enable the Peripheral */
+  __HAL_DAC_ENABLE(hdac, channel);
+  
+  /* Process Unlocked */
+  __HAL_UNLOCK(hdac);
+  
+  /* Return function status */
+  return HAL_OK;
+}
+
+#endif
+
+#if defined(STM32F302xC) ||  defined(STM32F302x8) || defined(STM32F301x8) ||  defined(STM32F318xx)
+/* DAC 1 has 1 channels 1 */
+
+/**
+  * @brief  Enables DAC and starts conversion of channel.
+  * @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:
+  *            @arg DAC_CHANNEL_1: DAC1 Channel1 selected
+  * @param  pData: The destination peripheral Buffer address.
+  * @param  Length: The length of data to be transferred from memory to DAC peripheral
+  * @param  alignment: Specifies the data alignment for DAC channel.
+  *          This parameter can be one of the following values:
+  *            @arg DAC_Align_8b_R: 8bit right data alignment selected
+  *            @arg DAC_Align_12b_L: 12bit left data alignment selected
+  *            @arg DAC_Align_12b_R: 12bit right data alignment selected
+  * @retval HAL status
+  */
+
+HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef* hdac, uint32_t channel, uint32_t* pData, uint32_t Length, uint32_t alignment)
+{
+  uint32_t tmpreg = 0;
+    
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL_INSTANCE(hdac->Instance, channel));
+  assert_param(IS_DAC_ALIGN(alignment));
+  
+  /* Process locked */
+  __HAL_LOCK(hdac);
+  
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_BUSY;
+    
+  /* Set the DMA transfer complete callback for channel1 */
+  hdac->DMA_Handle1->XferCpltCallback = DAC_DMAConvCpltCh1;
+  
+  /* Set the DMA half transfer complete callback for channel1 */
+  hdac->DMA_Handle1->XferHalfCpltCallback = DAC_DMAHalfConvCpltCh1;
+    
+  /* Set the DMA error callback for channel1 */
+  hdac->DMA_Handle1->XferErrorCallback = DAC_DMAErrorCh1;
+
+  /* Enable the selected DAC channel1 DMA request */
+  hdac->Instance->CR |= DAC_CR_DMAEN1;
+    
+  /* Case of use of channel 1 */
+  switch(alignment)
+  {
+    case DAC_ALIGN_12B_R:
+      /* Get DHR12R1 address */
+      tmpreg = (uint32_t)&hdac->Instance->DHR12R1;
+      break;
+    case DAC_ALIGN_12B_L:
+      /* Get DHR12L1 address */
+      tmpreg = (uint32_t)&hdac->Instance->DHR12L1;
+      break;
+    case DAC_ALIGN_8B_R:
+      /* Get DHR8R1 address */
+      tmpreg = (uint32_t)&hdac->Instance->DHR8R1;
+      break;
+    default:
+      break;
+  }
+  
+  /* Enable the DMA Channel */
+  /* Enable the DAC DMA underrun interrupt */
+  __HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR1);
+
+  /* Enable the DMA Channel */
+  HAL_DMA_Start_IT(hdac->DMA_Handle1, (uint32_t)pData, tmpreg, Length);
+ 
+  /* Enable the Peripheral */
+  __HAL_DAC_ENABLE(hdac, channel);
+  
+  /* Process Unlocked */
+  __HAL_UNLOCK(hdac);
+  
+  /* Return function status */
+  return HAL_OK;
+}
+#endif
+
+/* DAC 1 has 2 channels 1 & 2 - DAC 2 has one channel 1 */
+#if  defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F373xC) || defined(STM32F378xx) ||  \
+     defined(STM32F302xC) || defined(STM32F303xC) || defined(STM32F358xx)
+/* DAC 1 has 2 channels 1 & 2 */
+
+/**
+  * @brief  Returns 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.
+  * @param  channel: The selected DAC channel. 
+  *          This parameter can be one of the following values:
+  *            @arg DAC_CHANNEL_1: DAC1 Channel1 or DAC2 Channel1 selected
+  *            @arg DAC_CHANNEL_2: DAC1 Channel2 selected
+  * @retval The selected DAC channel data output value.
+  */
+
+
+/**
+  * @brief  Returns 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.
+  * @param  channel: The selected DAC channel. 
+  *          This parameter can be one of the following values:
+  *            @arg DAC_CHANNEL_1: DAC1 Channel1 selected
+  *            @arg DAC_CHANNEL_2: DAC1 Channel2 selected
+  * @retval The selected DAC channel data output value.
+  */
+uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t channel)
+{
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL_INSTANCE(hdac->Instance, channel));
+  
+  /* Returns the DAC channel data output register value */
+  if(channel == DAC_CHANNEL_1) 
+  {
+    return hdac->Instance->DOR1;
+  }
+  else /* channel = DAC_CHANNEL_2  */
+  {
+    return hdac->Instance->DOR2;
+  }
+}
+
+#endif
+
+#if defined(STM32F302x8) || defined(STM32F301x8) ||  defined(STM32F318xx)
+/* DAC 1 has 1 channel (channel 1)  */
+/**
+  * @brief  Returns 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.
+  * @param  channel: The selected DAC channel. 
+  *          This parameter can be one of the following values:
+  *            @arg DAC_CHANNEL_1: DAC1 Channel1 selected
+  * @retval The selected DAC channel data output value.
+  */
+uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t channel)
+{
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL_INSTANCE(hdac->Instance, channel));
+  
+  /* Returns the DAC channel data output register value */
+  return hdac->Instance->DOR1;
+}
+#endif
+
+#if defined(STM32F301x8) || defined(STM32F302x8) || defined(STM32F318xx)
+/* DAC channel 2 is NOT available. Only DAC channel 1 is available */
+
+/**
+  * @brief  Handles DAC interrupt request  
+  * @param  hdac: pointer to a DAC_HandleTypeDef structure that contains
+  *         the configuration information for the specified DAC.
+  * @retval None
+  */
+
+void HAL_DAC_IRQHandler(struct __DAC_HandleTypeDef* hdac)
+{
+  /* Check Overrun flag */
+  if(__HAL_DAC_GET_FLAG(hdac, DAC_FLAG_DMAUDR1))
+  {
+    /* Change DAC state to error state */
+    hdac->State = HAL_DAC_STATE_ERROR;
+    
+    /* Set DAC error code to chanel1 DMA underrun error */
+    hdac->ErrorCode |= HAL_DAC_ERROR_DMAUNDERRUNCH1;
+    
+    /* Clear the underrun flag */
+    __HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR1);
+    
+    /* Disable the selected DAC channel1 DMA request */
+    hdac->Instance->CR &= ~DAC_CR_DMAEN1;
+    
+    /* Error callback */ 
+    HAL_DAC_DMAUnderrunCallbackCh1(hdac);
+  }
+}
+#endif /* STM32F301x8 STM32F302x8 STM32F318xx */
+
+#if defined(STM32F303xC) || defined(STM32F358xx) || defined(STM32F303x8) || defined(STM32F328xx)|| defined(STM32F302xC) || defined(STM32F334x8) || defined(STM32F373xC) || defined(STM32F378xx) 
+/* DAC channel 2 is available on top of DAC channel 1 */
+
+/**
+  * @brief  Handles DAC interrupt request  
+  * @param  hdac: pointer to a DAC_HandleTypeDef structure that contains
+  *         the configuration information for the specified DAC.
+  * @retval None
+  */
+void HAL_DAC_IRQHandler(struct __DAC_HandleTypeDef* hdac)
+{
+  /* Check Overrun flag */
+  if(__HAL_DAC_GET_FLAG(hdac, DAC_FLAG_DMAUDR1))
+  {
+    /* Change DAC state to error state */
+    hdac->State = HAL_DAC_STATE_ERROR;
+    
+    /* Set DAC error code to chanel1 DMA underrun error */
+    hdac->ErrorCode |= HAL_DAC_ERROR_DMAUNDERRUNCH1;
+    
+    /* Clear the underrun flag */
+    __HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR1);
+    
+    /* Disable the selected DAC channel1 DMA request */
+    hdac->Instance->CR &= ~DAC_CR_DMAEN1;
+    
+    /* Error callback */ 
+    HAL_DAC_DMAUnderrunCallbackCh1(hdac);
+  }
+  else
+  {
+    if (__HAL_DAC_GET_FLAG(hdac, DAC_FLAG_DMAUDR2))
+    {
+      /* Change DAC state to error state */
+      hdac->State = HAL_DAC_STATE_ERROR;
+    
+      /* Set DAC error code to channel2 DMA underrun error */
+      hdac->ErrorCode |= HAL_DAC_ERROR_DMAUNDERRUNCH2;
+    
+      /* Clear the underrun flag */
+      __HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR2);
+    
+      /* Disable the selected DAC channel1 DMA request */
+      hdac->Instance->CR &= ~DAC_CR_DMAEN2;
+    
+      /* Error callback */ 
+      HAL_DACEx_DMAUnderrunCallbackCh2(hdac);
+    }
+  }
+}
+
+#endif /* STM32F303xC STM32F358xx STM32F303x8 STM32F328xx STM32F302xC STM32F334x8 STM32F373xC STM32F378xx */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/** @defgroup DACEx
+  * @brief DACEx Extended HAL module driver
+  * @{
+  */
+
+/** @defgroup DACEx_Private_Functions
+  * @{
+  */
+
+#if  defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F373xC) || defined(STM32F378xx) || defined(STM32F303xC) || defined(STM32F358xx)
+/* DAC channel 2 is present in DAC 1 */
+/**
+  * @brief  Set the specified data holding register value for dual DAC channel.
+  * @param  hdac: pointer to a DAC_HandleTypeDef structure that contains
+  *         the configuration information for the specified DAC.
+  * @param  alignment: Specifies the data alignment for dual channel DAC.
+  *          This parameter can be one of the following values:
+  *            @arg DAC_Align_8b_R: 8bit right data alignment selected
+  *            @arg DAC_Align_12b_L: 12bit left data alignment selected
+  *            @arg DAC_Align_12b_R: 12bit right data alignment selected
+  * @param  data2: Data for DAC Channel2 to be loaded in the selected data holding register.
+  * @param  data1: Data for DAC Channel1 to be loaded in the selected data  holding register.
+  * @note   In dual mode, a unique register access is required to write in both
+  *          DAC channels at the same time.
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_DACEx_DualSetValue(DAC_HandleTypeDef* hdac, uint32_t alignment, uint32_t data1, uint32_t data2)
+{
+  uint32_t data = 0, tmp = 0;
+
+  /* Check the parameters */
+  assert_param(IS_DAC_ALIGN(alignment));
+  assert_param(IS_DAC_DATA(data1));
+  assert_param(IS_DAC_DATA(data2));
+
+  /* Calculate and set dual DAC data holding register value */
+  if (alignment == DAC_ALIGN_8B_R)
+  {
+    data = ((uint32_t)data2 << 8) | data1;
+  }
+  else
+  {
+    data = ((uint32_t)data2 << 16) | data1;
+  }
+
+    tmp = (uint32_t) (hdac->Instance);
+    tmp += __HAL_DHR12RD_ALIGNEMENT(alignment);
+
+  /* Set the dual DAC selected data holding register */
+  *(__IO uint32_t *)tmp = data;
+
+  /* Return function status */
+  return HAL_OK;
+}
+#endif
+
+/**
+  * @brief  Returns 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)
+{
+  uint32_t tmp = 0;
+
+  tmp |= hdac->Instance->DOR1;
+
+#if  defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F373xC) || defined(STM32F378xx) || defined(STM32F303xC) || defined(STM32F358xx)
+/* DAC channel 2 is present in DAC 1 */
+  tmp |= hdac->Instance->DOR2 << 16;
+#endif
+  /* Returns the DAC channel data output register value */
+  return tmp;
+}
+
+/**
+  * @brief  Enables or disables 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:
+  *            @arg DAC_CHANNEL_1: DAC1 Channel1 selected
+  *            @arg DAC_CHANNEL_2: DAC1 Channel2 selected
+  * @param  Amplitude: Select max triangle amplitude.
+  *          This parameter can be one of the following values:
+  *            @arg DAC_TRIANGLEAMPLITUDE_1: Select max triangle amplitude of 1
+  *            @arg DAC_TRIANGLEAMPLITUDE_3: Select max triangle amplitude of 3
+  *            @arg DAC_TRIANGLEAMPLITUDE_7: Select max triangle amplitude of 7
+  *            @arg DAC_TRIANGLEAMPLITUDE_15: Select max triangle amplitude of 15
+  *            @arg DAC_TRIANGLEAMPLITUDE_31: Select max triangle amplitude of 31
+  *            @arg DAC_TRIANGLEAMPLITUDE_63: Select max triangle amplitude of 63
+  *            @arg DAC_TRIANGLEAMPLITUDE_127: Select max triangle amplitude of 127
+  *            @arg DAC_TRIANGLEAMPLITUDE_255: Select max triangle amplitude of 255
+  *            @arg DAC_TRIANGLEAMPLITUDE_511: Select max triangle amplitude of 511
+  *            @arg DAC_TRIANGLEAMPLITUDE_1023: Select max triangle amplitude of 1023
+  *            @arg DAC_TRIANGLEAMPLITUDE_2047: Select max triangle amplitude of 2047
+  *            @arg DAC_TRIANGLEAMPLITUDE_4095: Select max triangle amplitude of 4095
+  * @note   Wave generation is not available in DAC2.
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_DACEx_TriangleWaveGenerate(DAC_HandleTypeDef* hdac, uint32_t channel, uint32_t Amplitude)
+{
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL(channel));
+  assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
+
+  /* Process locked */
+  __HAL_LOCK(hdac);
+
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_BUSY;
+
+  /* Enable the selected wave generation for the selected DAC channel */
+  hdac->Instance->CR |= (DAC_WAVE_TRIANGLE | Amplitude) << channel;
+
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_READY;
+
+  /* Process unlocked */
+  __HAL_UNLOCK(hdac);
+
+  /* Return function status */
+  return HAL_OK;
+}
+
+/**
+  * @brief  Enables or disables 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:
+  *            @arg DAC_CHANNEL_1: DAC1 Channel1 selected
+  *            @arg DAC_CHANNEL_2: DAC1 Channel2 selected
+  * @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
+  *            @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
+  *            @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
+  *            @arg DAC_LFSRUNMASK_BITS6_0: Unmask DAC channel LFSR bit[6:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS7_0: Unmask DAC channel LFSR bit[7:0] for noise wave generation
+  *            @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
+  *            @arg DAC_LFSRUNMASK_BITS10_0: Unmask DAC channel LFSR bit[10:0] for noise wave generation
+  *            @arg DAC_LFSRUNMASK_BITS11_0: Unmask DAC channel LFSR bit[11:0] for noise wave generation
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_DACEx_NoiseWaveGenerate(DAC_HandleTypeDef* hdac, uint32_t channel, uint32_t Amplitude)
+{
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL(channel));
+  assert_param(IS_DAC_LFSR_UNMASK_TRIANGLE_AMPLITUDE(Amplitude));
+
+  /* Process locked */
+  __HAL_LOCK(hdac);
+
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_BUSY;
+
+  /* Enable the selected wave generation for the selected DAC channel */
+  hdac->Instance->CR |= (DAC_WAVE_NOISE | Amplitude) << channel;
+
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_READY;
+
+  /* Process unlocked */
+  __HAL_UNLOCK(hdac);
+
+  /* Return function status */
+  return HAL_OK;
+}
+
+/**
+  * @brief  Conversion complete callback in non blocking mode for Channel2
+  * @param  hdac: pointer to a DAC_HandleTypeDef structure that contains
+  *         the configuration information for the specified DAC.
+  * @retval None
+  */
+__weak void HAL_DACEx_ConvCpltCallbackCh2(DAC_HandleTypeDef* hdac)
+{
+  /* NOTE : This function Should not be modified, when the callback is needed,
+            the HAL_DACEx_ConvCpltCallbackCh2 could be implemented in the user file
+   */
+}
+
+/**
+  * @brief  Conversion half DMA transfer callback in non blocking mode for Channel2
+  * @param  hdac: pointer to a DAC_HandleTypeDef structure that contains
+  *         the configuration information for the specified DAC.
+  * @retval None
+  */
+__weak void HAL_DACEx_ConvHalfCpltCallbackCh2(DAC_HandleTypeDef* hdac)
+{
+  /* NOTE : This function Should not be modified, when the callback is needed,
+            the HAL_DACEx_ConvHalfCpltCallbackCh2 could be implemented in the user file
+   */
+}
+
+/**
+  * @brief  Error DAC callback for Channel2.
+  * @param  hdac: pointer to a DAC_HandleTypeDef structure that contains
+  *         the configuration information for the specified DAC.
+  * @retval None
+  */
+__weak void HAL_DACEx_ErrorCallbackCh2(DAC_HandleTypeDef *hdac)
+{
+  /* NOTE : This function Should not be modified, when the callback is needed,
+            the HAL_DACEx_ErrorCallbackCh2 could be implemented in the user file
+   */
+}
+
+/**
+  * @brief  DMA underrun DAC callback for channel2.
+  * @param  hdac: pointer to a DAC_HandleTypeDef structure that contains
+  *         the configuration information for the specified DAC.
+  * @retval None
+  */
+__weak void HAL_DACEx_DMAUnderrunCallbackCh2(DAC_HandleTypeDef *hdac)
+{
+  /* NOTE : This function Should not be modified, when the callback is needed,
+            the HAL_DACEx_DMAUnderrunCallbackCh2 could be implemented in the user file
+   */
+}
+
+/**
+  * @brief  DMA conversion complete callback. 
+  * @param  hdma: pointer to DMA handle.
+  * @retval None
+  */
+static void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma)   
+{
+  DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+  
+  HAL_DAC_ConvCpltCallbackCh1(hdac); 
+  
+  hdac->State= HAL_DAC_STATE_READY;
+}
+
+/**
+  * @brief  DMA half transfer complete callback. 
+  * @param  hdma: pointer to DMA handle.
+  * @retval None
+  */
+static void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma)   
+{
+    DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+    /* Conversion complete callback */
+    HAL_DAC_ConvHalfCpltCallbackCh1(hdac); 
+}
+
+/**
+  * @brief  DMA error callback 
+  * @param  hdma: pointer to DMA handle.
+  * @retval None
+  */
+static void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma)   
+{
+  DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+    
+  /* Set DAC error code to DMA error */
+  hdac->ErrorCode |= HAL_DAC_ERROR_DMA;
+    
+  HAL_DAC_ErrorCallbackCh1(hdac); 
+    
+  hdac->State= HAL_DAC_STATE_READY;
+}
+
+#if defined(STM32F303xC) || defined(STM32F358xx) || defined(STM32F303x8) || defined(STM32F328xx) || defined(STM32F334x8) || defined(STM32F373xC) || defined(STM32F378xx)
+/* DAC channel 2 is available on top of DAC channel 1 */
+
+/**
+  * @brief  DMA conversion complete callback. 
+  * @param  hdma: pointer to DMA handle.
+  * @retval None
+  */
+static void DAC_DMAConvCpltCh2(DMA_HandleTypeDef *hdma)   
+{
+  DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+  
+  HAL_DACEx_ConvCpltCallbackCh2(hdac);
+  
+  hdac->State= HAL_DAC_STATE_READY;
+}
+
+/**
+  * @brief  DMA half transfer complete callback. 
+  * @param  hdma: pointer to DMA handle.
+  * @retval None
+  */
+static void DAC_DMAHalfConvCpltCh2(DMA_HandleTypeDef *hdma)   
+{
+    DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+    /* Conversion complete callback */
+    HAL_DACEx_ConvHalfCpltCallbackCh2(hdac);
+}
+
+/**
+  * @brief  DMA error callback 
+  * @param  hdma: pointer to DMA handle.
+  * @retval None
+  */
+static void DAC_DMAErrorCh2(DMA_HandleTypeDef *hdma)   
+{
+  DAC_HandleTypeDef* hdac = ( DAC_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
+    
+  /* Set DAC error code to DMA error */
+  hdac->ErrorCode |= HAL_DAC_ERROR_DMA;
+    
+  HAL_DACEx_ErrorCallbackCh2(hdac);
+    
+  hdac->State= HAL_DAC_STATE_READY;
+}
+#endif /* STM32F303xC STM32F358xx STM32F303x8 STM32F328xx STM32F334x8 STM32F373xC STM32F378xx */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif /* HAL_DAC_MODULE_ENABLED */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/