mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

Revision:
149:156823d33999
Parent:
144:ef7eb2e8f9f7
Child:
156:95d6b41a828b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_hal_dac_ex.c	Fri Oct 28 11:17:30 2016 +0100
@@ -0,0 +1,1189 @@
+/**
+  ******************************************************************************
+  * @file    stm32f0xx_hal_dac_ex.c
+  * @author  MCD Application Team
+  * @version V1.4.0
+  * @date    27-May-2016
+  * @brief   DAC HAL module driver.
+  *          This file provides firmware functions to manage the extended 
+  *          functionalities of the DAC peripheral.  
+  *     
+  *
+  @verbatim      
+  ==============================================================================
+                      ##### How to use this driver #####
+  ==============================================================================
+    [..]          
+      (+) 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 Channel 1 and Channel 2.  
+      (+) Use HAL_DACEx_TriangleWaveGenerate() to generate Triangle signal.
+      (+) Use HAL_DACEx_NoiseWaveGenerate() to generate Noise signal.
+   
+ @endverbatim    
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2016 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 "stm32f0xx_hal.h"
+
+/** @addtogroup STM32F0xx_HAL_Driver
+  * @{
+  */
+
+#ifdef HAL_DAC_MODULE_ENABLED
+
+/** @addtogroup DAC
+  * @{
+  */ 
+
+#if defined(STM32F051x8) || defined(STM32F058xx) || \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
+    defined(STM32F091xC) || defined(STM32F098xx)
+
+/** @addtogroup DAC_Private_Functions
+  * @{
+  */
+static void DAC_DMAConvCpltCh1(DMA_HandleTypeDef *hdma);
+static void DAC_DMAErrorCh1(DMA_HandleTypeDef *hdma);
+static void DAC_DMAHalfConvCpltCh1(DMA_HandleTypeDef *hdma); 
+/**
+  * @}
+  */
+  
+#endif /* STM32F051x8 STM32F058xx  */
+       /* STM32F071xB STM32F072xB STM32F078xx */
+       /* STM32F091xC STM32F098xx */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
+    defined(STM32F091xC) || defined(STM32F098xx)
+
+/** @addtogroup DAC_Private_Functions
+  * @{
+  */
+
+/* DAC_DMAConvCpltCh2 / DAC_DMAErrorCh2 / DAC_DMAHalfConvCpltCh2 */
+/* are set by HAL_DAC_Start_DMA */
+
+void DAC_DMAConvCpltCh2(DMA_HandleTypeDef *hdma);
+void DAC_DMAErrorCh2(DMA_HandleTypeDef *hdma);
+void DAC_DMAHalfConvCpltCh2(DMA_HandleTypeDef *hdma); 
+/**
+  * @}
+  */
+
+#endif /* STM32F071xB  STM32F072xB  STM32F078xx */
+       /* STM32F091xC  STM32F098xx */
+
+/** @addtogroup DAC_Exported_Functions
+  * @{
+  */
+
+/** @addtogroup DAC_Exported_Functions_Group3
+  * @{
+  */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
+    defined(STM32F091xC) || defined(STM32F098xx)
+
+/**
+  * @brief  Configures the selected DAC channel.
+  * @param  hdac: pointer to a DAC_HandleTypeDef structure that contains
+  *         the configuration information for the specified DAC.
+  * @param  sConfig: DAC configuration structure.
+  * @param  Channel: The selected DAC channel. 
+  *          This parameter can be one of the following values:
+  *            @arg DAC_CHANNEL_1: DAC Channel1 selected
+  *            @arg DAC_CHANNEL_2: DAC Channel2 selected
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac, DAC_ChannelConfTypeDef* sConfig, uint32_t Channel)
+{
+  uint32_t tmpreg1 = 0, tmpreg2 = 0;
+
+  /* Check the DAC parameters */
+  assert_param(IS_DAC_TRIGGER(sConfig->DAC_Trigger));
+  assert_param(IS_DAC_OUTPUT_BUFFER_STATE(sConfig->DAC_OutputBuffer));
+  assert_param(IS_DAC_TRIGGER(sConfig->DAC_Trigger));
+  assert_param(IS_DAC_CHANNEL(Channel));
+  
+  /* Process locked */
+  __HAL_LOCK(hdac);
+  
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_BUSY;
+  
+  /* Get the DAC CR value */
+  tmpreg1 = hdac->Instance->CR;
+  /* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */
+  tmpreg1 &= ~(((uint32_t)(DAC_CR_MAMP1 | DAC_CR_WAVE1 | DAC_CR_TSEL1 | DAC_CR_TEN1 | DAC_CR_BOFF1)) << Channel); 
+  /* Configure for the selected DAC channel: buffer output, trigger */
+  /* Set TSELx and TENx bits according to DAC_Trigger value */
+  /* Set BOFFx bit according to DAC_OutputBuffer value */   
+  tmpreg2 = (sConfig->DAC_Trigger | sConfig->DAC_OutputBuffer);
+  /* Calculate CR register value depending on DAC_Channel */
+  tmpreg1 |= tmpreg2 << Channel;
+  /* Write to DAC CR */
+  hdac->Instance->CR = tmpreg1;
+  
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_READY;
+  
+  /* Process unlocked */
+  __HAL_UNLOCK(hdac);
+  
+  /* Return function status */
+  return HAL_OK;
+}
+
+#endif /* STM32F071xB STM32F072xB STM32F078xx */
+       /* STM32F091xC STM32F098xx  */
+
+#if defined (STM32F051x8) || defined (STM32F058xx)
+
+/**
+  * @brief  Configures the selected DAC channel.
+  * @param  hdac: pointer to a DAC_HandleTypeDef structure that contains
+  *         the configuration information for the specified DAC.
+  * @param  sConfig: DAC configuration structure.
+  * @param  Channel: The selected DAC channel. 
+  *          This parameter can be one of the following values:
+  *            @arg DAC_CHANNEL_1: DAC Channel1 selected
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac, DAC_ChannelConfTypeDef* sConfig, uint32_t Channel)
+{
+  uint32_t tmpreg1 = 0, tmpreg2 = 0;
+
+  /* Check the DAC parameters */
+  assert_param(IS_DAC_TRIGGER(sConfig->DAC_Trigger));
+  assert_param(IS_DAC_OUTPUT_BUFFER_STATE(sConfig->DAC_OutputBuffer));
+  assert_param(IS_DAC_TRIGGER(sConfig->DAC_Trigger));
+  assert_param(IS_DAC_CHANNEL(Channel));
+  
+  /* Process locked */
+  __HAL_LOCK(hdac);
+  
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_BUSY;
+  
+  /* Get the DAC CR value */
+  tmpreg1 = hdac->Instance->CR;
+  /* Clear BOFFx, TENx, TSELx, WAVEx and MAMPx bits */
+  tmpreg1 &= ~(((uint32_t)(DAC_CR_TSEL1 | DAC_CR_TEN1 | DAC_CR_BOFF1)) << Channel); 
+  /* Configure for the selected DAC channel: buffer output, trigger */
+  /* Set TSELx and TENx bits according to DAC_Trigger value */
+  /* Set BOFFx bit according to DAC_OutputBuffer value */   
+  tmpreg2 = (sConfig->DAC_Trigger | sConfig->DAC_OutputBuffer);
+  /* Calculate CR register value depending on DAC_Channel */
+  tmpreg1 |= tmpreg2 << Channel;
+  /* Write to DAC CR */
+  hdac->Instance->CR = tmpreg1;
+  
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_READY;
+  
+  /* Process unlocked */
+  __HAL_UNLOCK(hdac);
+  
+  /* Return function status */
+  return HAL_OK;
+}
+
+#endif /* STM32F051x8 STM32F058xx */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
+    defined(STM32F091xC) || defined(STM32F098xx)
+/* 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: DAC Channel1 selected
+  *            @arg DAC_CHANNEL_2: DAC 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(Channel));
+  
+  /* Returns the DAC channel data output register value */
+  if(Channel == DAC_CHANNEL_1)
+  {
+    return hdac->Instance->DOR1;
+  }
+  else
+  {
+    return hdac->Instance->DOR2;
+  }
+}
+
+#endif /* STM32F071xB  STM32F072xB  STM32F078xx */
+       /* STM32F091xC  STM32F098xx */
+  
+#if defined (STM32F051x8) || defined (STM32F058xx)
+
+/* DAC 1 has 1 channels  */
+
+/**
+  * @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: DAC 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(Channel));
+  
+  /* Returns the DAC channel data output register value */
+  return hdac->Instance->DOR1;
+}
+
+
+
+#endif /* STM32F051x8 STM32F058xx */
+
+/**
+  * @}
+  */
+
+/** @addtogroup DAC_Exported_Functions_Group2
+  * @{
+  */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
+    defined(STM32F091xC) || defined(STM32F098xx)
+
+/**
+  * @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: DAC Channel1 selected
+  *            @arg DAC_CHANNEL_2: DAC Channel2 selected
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t Channel)
+{
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL(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_TSEL1)) == (DAC_CR_TEN1 | DAC_CR_TSEL1))
+    {
+      /* Enable the selected DAC software conversion */
+      SET_BIT(hdac->Instance->SWTRIGR, DAC_SWTRIGR_SWTRIG1);
+    }
+  }
+  else
+  {
+    /* Check if software trigger enabled */
+    if((hdac->Instance->CR & (DAC_CR_TEN2 | DAC_CR_TSEL2)) == (DAC_CR_TEN2 | DAC_CR_TSEL2))
+    {
+      /* Enable the selected DAC software conversion*/
+      SET_BIT(hdac->Instance->SWTRIGR, DAC_SWTRIGR_SWTRIG2);
+    }
+  }
+  
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_READY;
+  
+  /* Process unlocked */
+  __HAL_UNLOCK(hdac);
+    
+  /* Return function status */
+  return HAL_OK;
+}
+
+/**
+  * @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: DAC Channel1 selected
+  *            @arg DAC_CHANNEL_2: DAC 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(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;
+    
+    /* Enable the selected DAC channel1 DMA request */
+    SET_BIT(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
+  {
+    /* 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;
+    
+    /* Enable the selected DAC channel2 DMA request */
+    SET_BIT(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 Peripharal */
+  __HAL_DAC_ENABLE(hdac, Channel);
+  
+  /* Process Unlocked */
+  __HAL_UNLOCK(hdac);
+  
+  /* Return function status */
+  return HAL_OK;
+}
+
+
+
+#endif /* STM32F071xB  STM32F072xB  STM32F078xx */
+       /* STM32F091xC  STM32F098xx */
+
+#if defined (STM32F051x8) || defined (STM32F058xx)
+
+HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t Channel)
+{
+  /* Check the parameters */
+  assert_param(IS_DAC_CHANNEL(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_TSEL1)) == (DAC_CR_TEN1 | DAC_CR_TSEL1))
+    {
+      /* Enable the selected DAC software conversion */
+      SET_BIT(hdac->Instance->SWTRIGR, DAC_SWTRIGR_SWTRIG1);
+    }
+  }
+ 
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_READY;
+  
+  /* Process unlocked */
+  __HAL_UNLOCK(hdac);
+    
+  /* Return function status */
+  return HAL_OK;
+}
+
+/**
+  * @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: DAC 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(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 */
+  SET_BIT(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 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 Peripharal */
+  __HAL_DAC_ENABLE(hdac, Channel);
+  
+  /* Process Unlocked */
+  __HAL_UNLOCK(hdac);
+  
+  /* Return function status */
+  return HAL_OK;
+}
+
+#endif  /* STM32F051x8 STM32F058xx */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
+    defined(STM32F091xC) || defined(STM32F098xx)
+/* 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(DAC_HandleTypeDef* hdac)
+{
+  if(__HAL_DAC_GET_IT_SOURCE(hdac, DAC_IT_DMAUDR1))
+  { 
+    /* Check underrun channel 1 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 channel1 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);
+    }
+  }
+  if(__HAL_DAC_GET_IT_SOURCE(hdac, DAC_IT_DMAUDR2))
+  {
+    /* Check underrun channel 2 flag */
+    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  /* STM32F071xB  STM32F072xB  STM32F078xx */
+        /* STM32F091xC  STM32F098xx */
+
+#if defined (STM32F051x8) || defined (STM32F058xx)
+/* 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(DAC_HandleTypeDef* hdac)
+{
+  if(__HAL_DAC_GET_IT_SOURCE(hdac, DAC_IT_DMAUDR1))
+  { 
+  /* 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  /* STM32F051x8 STM32F058xx */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#if defined(STM32F051x8) || defined(STM32F058xx) || \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
+    defined(STM32F091xC) || defined(STM32F098xx)
+
+/** @addtogroup DAC_Private_Functions
+  * @{
+  */
+
+/**
+  * @brief  DMA conversion complete callback. 
+  * @param  hdma: pointer to a DMA_HandleTypeDef structure that contains
+  *                the configuration information for the specified DMA module.
+  * @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 a DMA_HandleTypeDef structure that contains
+  *                the configuration information for the specified DMA module.
+  * @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 a DMA_HandleTypeDef structure that contains
+  *                the configuration information for the specified DMA module.
+  * @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;
+}
+/**
+  * @}
+  */
+#endif /* STM32F051x8  STM32F058xx */
+       /* STM32F071xB  STM32F072xB  STM32F078xx */
+       /* STM32F091xC  STM32F098xx */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
+    defined(STM32F091xC) || defined(STM32F098xx)
+
+/** @addtogroup DAC_Private_Functions
+  * @{
+  */
+
+/**
+  * @brief  DMA conversion complete callback. 
+  * @param  hdma: pointer to a DMA_HandleTypeDef structure that contains
+  *                the configuration information for the specified DMA module.
+  * @retval None
+  */
+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 a DMA_HandleTypeDef structure that contains
+  *                the configuration information for the specified DMA module.
+  * @retval None
+  */
+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 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;
+    
+  /* Set DAC error code to DMA error */
+  hdac->ErrorCode |= HAL_DAC_ERROR_DMA;
+    
+  HAL_DACEx_ErrorCallbackCh2(hdac); 
+    
+  hdac->State= HAL_DAC_STATE_READY;
+}
+
+/**
+  * @}
+  */
+
+#endif /* STM32F071xB  STM32F072xB  STM32F078xx */
+       /* STM32F091xC  STM32F098xx */
+
+/**
+  * @}
+  */
+
+/** @defgroup DACEx DACEx
+  * @brief DACEx driver module
+  * @{
+  */ 
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/* Private macro -------------------------------------------------------------*/
+/** @defgroup DACEx_Private_Macros DACEx Private Macros
+  * @{
+  */
+/**
+  * @}
+  */
+
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+
+/** @defgroup DACEx_Exported_Functions DACEx Exported Functions
+  * @{
+  */
+
+/** @defgroup DACEx_Exported_Functions_Group1 Extended features functions
+ *  @brief    Extended features functions 
+ *
+@verbatim   
+  ==============================================================================
+                 ##### Extended features 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.
+      (+) Get result of dual mode conversion.
+                     
+@endverbatim
+  * @{
+  */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
+    defined(STM32F091xC) || defined(STM32F098xx) 
+      
+/**
+  * @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;
+
+  /* DAC channel 2 is present in DAC 1 */
+  tmp |= hdac->Instance->DOR2 << 16;
+  
+  /* Returns the DAC channel data output register value */
+  return tmp;
+}
+
+#endif /* STM32F071xB  STM32F072xB  STM32F078xx */
+       /* STM32F091xC  STM32F098xx */
+
+#if defined (STM32F051x8) || defined (STM32F058xx)
+
+/**
+  * @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;
+  
+  /* Returns the DAC channel data output register value */
+  return tmp;
+}
+
+#endif /* STM32F051x8 STM32F058xx */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
+    defined(STM32F091xC) || defined(STM32F098xx)
+
+/**
+  * @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:
+  *            DAC_CHANNEL_1 / DAC_CHANNEL_2
+  * @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                               
+  * @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 */
+  MODIFY_REG(hdac->Instance->CR, ((DAC_CR_WAVE1)|(DAC_CR_MAMP1))<<Channel, (DAC_CR_WAVE1_1 | 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:
+  *            DAC_CHANNEL_1 / DAC_CHANNEL_2
+  * @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 */
+  MODIFY_REG(hdac->Instance->CR, ((DAC_CR_WAVE1)|(DAC_CR_MAMP1))<<Channel, (DAC_CR_WAVE1_0 | Amplitude) << Channel);
+  
+  /* Change DAC state */
+  hdac->State = HAL_DAC_STATE_READY;
+  
+  /* Process unlocked */
+  __HAL_UNLOCK(hdac);
+  
+  /* Return function status */
+  return HAL_OK;
+}
+
+#endif   /* STM32F071xB  STM32F072xB  STM32F078xx */
+         /* STM32F091xC  STM32F098xx */
+  
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#if defined(STM32F051x8) || defined(STM32F058xx) || \
+    defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
+    defined(STM32F091xC) || defined(STM32F098xx)
+
+/** @addtogroup DACEx_Exported_Functions
+  * @{
+  */
+
+/** @addtogroup DACEx_Exported_Functions_Group1
+ *  @brief    Extended features functions
+   * @{
+  */
+
+/**
+  * @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:
+  *            DAC_ALIGN_8B_R: 8bit right data alignment selected
+  *            DAC_ALIGN_12B_L: 12bit left data alignment selected
+  *            DAC_ALIGN_12B_R: 12bit right data alignment selected
+  * @param  Data1: Data for DAC Channel2 to be loaded in the selected data holding register.
+  * @param  Data2: 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 += DAC_DHR12RD_ALIGNMENT(Alignment);
+
+  /* Set the dual DAC selected data holding register */
+  *(__IO uint32_t *)tmp = data;
+  
+  /* Return function status */
+  return HAL_OK;
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif /* STM32F051x8  STM32F058xx */
+       /* STM32F071xB  STM32F072xB  STM32F078xx */
+       /* STM32F091xC  STM32F098xx */
+
+#if defined(STM32F071xB) || defined(STM32F072xB) || defined(STM32F078xx) || \
+    defined(STM32F091xC) || defined(STM32F098xx)
+
+/** @addtogroup DACEx_Exported_Functions
+  * @{
+  */
+
+/** @addtogroup DACEx_Exported_Functions_Group1
+ *  @brief    Extended features functions
+   * @{
+  */
+
+/**
+  * @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)
+{
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hdac);
+
+  /* NOTE : This function Should not be modified, when the callback is needed,
+            the HAL_DAC_ConvCpltCallback 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)
+{
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hdac);
+
+  /* NOTE : This function Should not be modified, when the callback is needed,
+            the HAL_DAC_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)
+{
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hdac);
+
+  /* NOTE : This function Should not be modified, when the callback is needed,
+            the HAL_DAC_ErrorCallback 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)
+{
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(hdac);
+
+  /* NOTE : This function Should not be modified, when the callback is needed,
+            the HAL_DAC_DMAUnderrunCallbackCh2 could be implemented in the user file
+   */
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif /* STM32F071xB  STM32F072xB  STM32F078xx */
+       /* STM32F091xC  STM32F098xx */
+
+/**
+  * @}
+  */
+
+#endif /* HAL_DAC_MODULE_ENABLED */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/