


#if !defined (STM32L010xB) && !defined (STM32L010x8) && !defined (STM32L010x6) && !defined (STM32L010x4) && !defined (STM32L011xx) && !defined (STM32L021xx) && !defined (STM32L031xx) && !defined (STM32L041xx) && !defined (STM32L051xx) && !defined (STM32L061xx) && !defined (STM32L071xx) && !defined (STM32L081xx)
/* Includes ------------------------------------------------------------------*/
#include "stm32l0xx_hal.h"

#ifdef HAL_DAC_MODULE_ENABLED
/** @addtogroup STM32L0xx_HAL_Driver
  * @{
  */

/** @addtogroup DAC
  * @brief DAC driver modules
  * @{
  */


/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/

/* Private functions ---------------------------------------------------------*/

/** @addtogroup DAC_Exported_Functions
  * @{
  */

/** @addtogroup DAC_Exported_Functions_Group1
 *  @brief    Initialization and Configuration functions
 *
@verbatim
  ==============================================================================
              ##### Initialization and de-initialization functions #####
  ==============================================================================
    [..]  This section provides functions allowing to:
      (+) Initialize and configure the DAC.
      (+) De-initialize the DAC.

@endverbatim
  * @{
  */

/**
  * @brief  Initialize the DAC peripheral according to the specified parameters
  *         in the DAC_InitStruct and initialize the associated handle.
  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
  *         the configuration information for the specified DAC.
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_DAC_Init(DAC_HandleTypeDef* hdac)
{
  /* Check DAC handle */
  if(hdac == NULL)
  {
     return HAL_ERROR;
  }
  /* Check the parameters */
  assert_param(IS_DAC_ALL_INSTANCE(hdac->Instance));

  if(hdac->State == HAL_DAC_STATE_RESET)
  {
#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
    /* Init the DAC Callback settings */
    hdac->ConvCpltCallbackCh1           = HAL_DAC_ConvCpltCallbackCh1;
    hdac->ConvHalfCpltCallbackCh1       = HAL_DAC_ConvHalfCpltCallbackCh1;
    hdac->ErrorCallbackCh1              = HAL_DAC_ErrorCallbackCh1;
    hdac->DMAUnderrunCallbackCh1        = HAL_DAC_DMAUnderrunCallbackCh1;

    hdac->ConvCpltCallbackCh2           = HAL_DACEx_ConvCpltCallbackCh2;
    hdac->ConvHalfCpltCallbackCh2       = HAL_DACEx_ConvHalfCpltCallbackCh2;
    hdac->ErrorCallbackCh2              = HAL_DACEx_ErrorCallbackCh2;
    hdac->DMAUnderrunCallbackCh2        = HAL_DACEx_DMAUnderrunCallbackCh2;

    if(hdac->MspInitCallback == NULL)
    {
      hdac->MspInitCallback               = HAL_DAC_MspInit;
    }
#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */

    /* Allocate lock resource and initialize it */
    hdac->Lock = HAL_UNLOCKED;

#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
    /* Init the low level hardware */
    hdac->MspInitCallback(hdac);
#else
    /* Init the low level hardware */
    HAL_DAC_MspInit(hdac);
#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
  }

  /* Initialize the DAC state*/
  hdac->State = HAL_DAC_STATE_BUSY;

  /* Set DAC error code to none */
  hdac->ErrorCode = HAL_DAC_ERROR_NONE;

  /* Initialize the DAC state*/
  hdac->State = HAL_DAC_STATE_READY;

  /* Return function status */
  return HAL_OK;
}

/**
  * @brief  Deinitialize the DAC peripheral registers to their default reset values.
  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
  *         the configuration information for the specified DAC.
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_DAC_DeInit(DAC_HandleTypeDef* hdac)
{
  /* Check DAC handle */
  if(hdac == NULL)
  {
     return HAL_ERROR;
  }

  /* Check the parameters */
  assert_param(IS_DAC_ALL_INSTANCE(hdac->Instance));

  /* Change DAC state */
  hdac->State = HAL_DAC_STATE_BUSY;

#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  if(hdac->MspDeInitCallback == NULL)
  {
    hdac->MspDeInitCallback = HAL_DAC_MspDeInit;
  }
  /* DeInit the low level hardware */
  hdac->MspDeInitCallback(hdac);
#else
  /* DeInit the low level hardware */
  HAL_DAC_MspDeInit(hdac);
#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */

  /* Set DAC error code to none */
  hdac->ErrorCode = HAL_DAC_ERROR_NONE;

  /* Change DAC state */
  hdac->State = HAL_DAC_STATE_RESET;
  
  /* Release Lock */
  __HAL_UNLOCK(hdac);

  /* Return function status */
  return HAL_OK;
}

/**
  * @brief  Initialize the DAC MSP.
  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
  *         the configuration information for the specified DAC.
  * @retval None
  */
__weak void HAL_DAC_MspInit(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_MspInit could be implemented in the user file
   */
}

/**
  * @brief  DeInitialize the DAC MSP.
  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
  *         the configuration information for the specified DAC.  
  * @retval None
  */
__weak void HAL_DAC_MspDeInit(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_MspDeInit could be implemented in the user file
   */
}

/**
  * @}
  */

/** @addtogroup DAC_Exported_Functions_Group2
 *  @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.
      (+) Get result of dual mode conversion (STM32L07xx/STM32L08xx only)

@endverbatim
  * @{
  */

/**
  * @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
  */
__weak HAL_StatusTypeDef HAL_DAC_Start(DAC_HandleTypeDef* hdac, uint32_t Channel)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hdac);
  UNUSED(Channel);

  /* Note : This function is defined into this file for library reference. */
  /*        Function content is located into file stm32l0xx_hal_dac_ex.c   */
  
  /* Return function status */
  return HAL_OK;
}

/**
  * @brief  Disables DAC and stop 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 (STM32L07x/STM32L08x only)
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_DAC_Stop(DAC_HandleTypeDef* hdac, uint32_t Channel)
{
  /* Check the parameters */
  assert_param(IS_DAC_CHANNEL(Channel));
  
  /* Disable the Peripheral */
  __HAL_DAC_DISABLE(hdac, Channel);
  
  /* Change DAC state */
  hdac->State = HAL_DAC_STATE_READY;
  
  /* Return function status */
  return HAL_OK;
}

/**
  * @brief  Enables DAC and starts conversion of channel using DMA.
  * @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 (STM32L07x/STM32L08x only)
  * @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
  */
__weak HAL_StatusTypeDef HAL_DAC_Start_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t* pData, uint32_t Length, uint32_t Alignment)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hdac);
  UNUSED(Channel);
  UNUSED(pData);
  UNUSED(Length);
  UNUSED(Alignment);

  /* Note : This function is defined into this file for library reference. */
  /*        Function content is located into file stm32l0xx_hal_dac_ex.c   */

  /* Return function status */
  return HAL_OK;
}

/**
  * @brief  Disables DAC and stop 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 (STM32L07x/STM32L08x only)
  * @retval HAL status
  */
__weak HAL_StatusTypeDef HAL_DAC_Stop_DMA(DAC_HandleTypeDef* hdac, uint32_t Channel)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hdac);
  UNUSED(Channel);

  /* Note : This function is defined into this file for library reference. */
  /*        Function content is located into file stm32l0xx_hal_dac_ex.c   */

  /* Return function status */
  return HAL_OK;
}

/**
  * @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 (STM32L07x/STM32L08x only)
  * @retval The selected DAC channel data output value.
  */
__weak uint32_t HAL_DAC_GetValue(DAC_HandleTypeDef* hdac, uint32_t Channel)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hdac);
  UNUSED(Channel);

  /* Note : This function is defined into this file for library reference. */
  /*        Function content is located into file stm32l0xx_hal_dac_ex.c   */

  /* Return function status */
  return 0U;
}

/**
  * @brief  Handles DAC interrupt request
  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
  *         the configuration information for the specified DAC.
  * @retval None
  */
__weak void HAL_DAC_IRQHandler(DAC_HandleTypeDef* hdac)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hdac);

  /* Note : This function is defined into this file for library reference. */
  /*        Function content is located into file stm32l0xx_hal_dac_ex.c   */

}

/**
  * @brief  Conversion complete callback in non-blocking mode for Channel1
  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
  *         the configuration information for the specified DAC.
  * @retval None
  */
__weak void HAL_DAC_ConvCpltCallbackCh1(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_ConvCpltCallbackCh1 could be implemented in the user file
   */
}

/**
  * @brief  Conversion half DMA transfer callback in non-blocking mode for Channel1
  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
  *         the configuration information for the specified DAC.
  * @retval None
  */
__weak void HAL_DAC_ConvHalfCpltCallbackCh1(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_ConvHalfCpltCallbackCh1 could be implemented in the user file
   */
}

/**
  * @brief  Error DAC callback for Channel1.
  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
  *         the configuration information for the specified DAC.
  * @retval None
  */
__weak void HAL_DAC_ErrorCallbackCh1(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_ErrorCallbackCh1 could be implemented in the user file
   */
}

/**
  * @brief  DMA underrun DAC callback for channel1.
  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
  *         the configuration information for the specified DAC.
  * @retval None
  */
__weak void HAL_DAC_DMAUnderrunCallbackCh1(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_DMAUnderrunCallbackCh1 could be implemented in the user file
   */
}

/**
  * @}
  */
  
/** @addtogroup DAC_Exported_Functions_Group3
 *  @brief    Peripheral Control functions 
 *
@verbatim
  ==============================================================================
             ##### Peripheral Control functions #####
  ==============================================================================  
    [..]  This section provides functions allowing to:
      (+) Configure channels.
      (+) Set the specified data holding register value for DAC channel.
      
@endverbatim
  * @{
  */

/**
  * @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 (STM32L07x/STM32L08x only)
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_DAC_ConfigChannel(DAC_HandleTypeDef* hdac, DAC_ChannelConfTypeDef* sConfig, uint32_t Channel)
{
  uint32_t tmpreg1 = 0U, tmpreg2 = 0U;

  /* 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_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;
  /* Disable wave generation */
  CLEAR_BIT(hdac->Instance->CR, (DAC_CR_WAVE1 << Channel));
  /* Change DAC state */
  hdac->State = HAL_DAC_STATE_READY;

  /* Process unlocked */
  __HAL_UNLOCK(hdac);

  /* Return function status */
  return HAL_OK;
}

/**
  * @}
  */

/** @addtogroup DAC_Exported_Functions_Group4
 *  @brief   Peripheral State and Errors functions 
 *
@verbatim
  ==============================================================================
            ##### Peripheral State and Errors functions #####
  ==============================================================================
    [..]
    This subsection provides functions allowing to
      (+) Check the DAC state.
      (+) Check the DAC Errors.

@endverbatim
  * @{
  */

/**
  * @brief  return the DAC handle state
  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
  *         the configuration information for the specified DAC.
  * @retval HAL state
  */
HAL_DAC_StateTypeDef HAL_DAC_GetState(DAC_HandleTypeDef* hdac)
{
  /* Return DAC handle state */
  return hdac->State;
}


/**
  * @brief  Return the DAC error code
  * @param  hdac pointer to a DAC_HandleTypeDef structure that contains
  *         the configuration information for the specified DAC.
  * @retval DAC Error Code
  */
uint32_t HAL_DAC_GetError(DAC_HandleTypeDef *hdac)
{
  return hdac->ErrorCode;
}

/**
  * @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.
  *          This parameter can be one of the following values:
  *            @arg DAC_CHANNEL_1: DAC Channel1 selected
  *            @arg DAC_CHANNEL_2: DAC Channel2 selected (STM32L07x/STM32L08x only)
  * @param  Alignment Specifies the data alignment.
  *          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
  */
__weak HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hdac);
  UNUSED(Channel);
  UNUSED(Alignment);
  UNUSED(Data);
  /* Note : This function is defined into this file for library reference. */
  /*        Function content is located into file stm32l0xx_hal_dac_ex.c   */

  /* Return function status */
  return HAL_OK;
}
/**
  * @}
  */

#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
/**
  * @brief  Register a User DAC Callback
  *         To be used instead of the weak (surcharged) predefined callback 
  * @param hdac DAC handle
  * @param CallbackID ID of the callback to be registered
  *        This parameter can be one of the following values:
  *          @arg @ref HAL_DAC_ERROR_INVALID_CALLBACK   DAC Error Callback ID
  *          @arg @ref HAL_DAC_CH1_COMPLETE_CB_ID       DAC CH1 Complete Callback ID
  *          @arg @ref HAL_DAC_CH1_HALF_COMPLETE_CB_ID  DAC CH1 Half Complete Callback ID
  *          @arg @ref HAL_DAC_CH1_ERROR_ID             DAC CH1 Error Callback ID
  *          @arg @ref HAL_DAC_CH1_UNDERRUN_CB_ID       DAC CH1 UnderRun Callback ID
  *          @arg @ref HAL_DAC_CH2_COMPLETE_CB_ID       DAC CH2 Complete Callback ID      
  *          @arg @ref HAL_DAC_CH2_HALF_COMPLETE_CB_ID  DAC CH2 Half Complete Callback ID 
  *          @arg @ref HAL_DAC_CH2_ERROR_ID             DAC CH2 Error Callback ID         
  *          @arg @ref HAL_DAC_CH2_UNDERRUN_CB_ID       DAC CH2 UnderRun Callback ID         
  *          @arg @ref HAL_DAC_MSP_INIT_CB_ID           DAC MSP Init Callback ID        
  *          @arg @ref HAL_DAC_MSP_DEINIT_CB_ID         DAC MSP DeInit Callback ID   
  *
    * @param pCallback pointer to the Callback function
  * @retval status
  */
HAL_StatusTypeDef HAL_DAC_RegisterCallback (DAC_HandleTypeDef *hdac, HAL_DAC_CallbackIDTypeDef CallbackId, pDAC_CallbackTypeDef pCallback)
{
  HAL_StatusTypeDef status = HAL_OK;

  if(pCallback == NULL)
  {
    /* Update the error code */
    hdac->ErrorCode |= HAL_DAC_ERROR_INVALID_CALLBACK;
    return HAL_ERROR;
  }

  /* Process locked */
  __HAL_LOCK(hdac);
  
  if(hdac->State == HAL_DAC_STATE_READY)
  {
    switch (CallbackId)
    {
    case HAL_DAC_CH1_COMPLETE_CB_ID :
      hdac->ConvCpltCallbackCh1 = pCallback;
      break;
    case HAL_DAC_CH1_HALF_COMPLETE_CB_ID :
      hdac->ConvHalfCpltCallbackCh1 = pCallback;
      break;
    case HAL_DAC_CH1_ERROR_ID :
      hdac->ErrorCallbackCh1 = pCallback;
      break;
    case HAL_DAC_CH1_UNDERRUN_CB_ID :
      hdac->DMAUnderrunCallbackCh1 = pCallback;
      break;
    case HAL_DAC_CH2_COMPLETE_CB_ID :
      hdac->ConvCpltCallbackCh2 = pCallback;
      break;
    case HAL_DAC_CH2_HALF_COMPLETE_CB_ID :
      hdac->ConvHalfCpltCallbackCh2 = pCallback;
      break;
    case HAL_DAC_CH2_ERROR_ID :
      hdac->ErrorCallbackCh2 = pCallback;
      break;
    case HAL_DAC_CH2_UNDERRUN_CB_ID :
      hdac->DMAUnderrunCallbackCh2 = pCallback;
      break;
    case HAL_DAC_MSP_INIT_CB_ID :
      hdac->MspInitCallback = pCallback;
      break;
    case HAL_DAC_MSP_DEINIT_CB_ID :
      hdac->MspDeInitCallback = pCallback;
      break;
    default :
      /* Update the error code */
      hdac->ErrorCode |= HAL_DAC_ERROR_INVALID_CALLBACK; 
      /* update return status */
      status =  HAL_ERROR;
      break;
    }
  }
  else if (hdac->State == HAL_DAC_STATE_RESET)
  {
    switch (CallbackId)
    {
    case HAL_DAC_MSP_INIT_CB_ID :
      hdac->MspInitCallback = pCallback;
      break;
    case HAL_DAC_MSP_DEINIT_CB_ID :
      hdac->MspDeInitCallback = pCallback;
      break;
    default :
      /* Update the error code */
      hdac->ErrorCode |= HAL_DAC_ERROR_INVALID_CALLBACK; 
      /* update return status */
      status =  HAL_ERROR;
      break;
    }
  }
  else
  {
    /* Update the error code */
    hdac->ErrorCode |= HAL_DAC_ERROR_INVALID_CALLBACK; 
    /* update return status */
    status =  HAL_ERROR;
  }

  /* Release Lock */
  __HAL_UNLOCK(hdac);
  return status;
}

/**
  * @brief  Unregister a User DAC Callback
  *         DAC Callback is redirected to the weak (surcharged) predefined callback 
  * @param hdac DAC handle
  * @param  CallbackID ID of the callback to be unregistered
  *        This parameter can be one of the following values:
  *          @arg @ref HAL_DAC_CH1_COMPLETE_CB_ID          DAC CH1 tranfer Complete Callback ID     
  *          @arg @ref HAL_DAC_CH1_HALF_COMPLETE_CB_ID     DAC CH1 Half Complete Callback ID        
  *          @arg @ref HAL_DAC_CH1_ERROR_ID                DAC CH1 Error Callback ID                
  *          @arg @ref HAL_DAC_CH1_UNDERRUN_CB_ID          DAC CH1 UnderRun Callback ID
  *          @arg @ref HAL_DAC_CH2_COMPLETE_CB_ID          DAC CH2 Complete Callback ID             
  *          @arg @ref HAL_DAC_CH2_HALF_COMPLETE_CB_ID     DAC CH2 Half Complete Callback ID        
  *          @arg @ref HAL_DAC_CH2_ERROR_ID                DAC CH2 Error Callback ID                
  *          @arg @ref HAL_DAC_CH2_UNDERRUN_CB_ID          DAC CH2 UnderRun Callback ID
  *          @arg @ref HAL_DAC_MSP_INIT_CB_ID              DAC MSP Init Callback ID                 
  *          @arg @ref HAL_DAC_MSP_DEINIT_CB_ID            DAC MSP DeInit Callback ID               
  *          @arg @ref HAL_DAC_ALL_CB_ID                   DAC All callbacks
  * @retval status
  */
HAL_StatusTypeDef HAL_DAC_UnRegisterCallback (DAC_HandleTypeDef *hdac, HAL_DAC_CallbackIDTypeDef CallbackID)
{
  HAL_StatusTypeDef status = HAL_OK;

  /* Process locked */
  __HAL_LOCK(hdac);
  
  if(hdac->State == HAL_DAC_STATE_READY)
  {
    switch (CallbackID)
    {
    case HAL_DAC_CH1_COMPLETE_CB_ID :
      hdac->ConvCpltCallbackCh1 = HAL_DAC_ConvCpltCallbackCh1;
      break;
    case HAL_DAC_CH1_HALF_COMPLETE_CB_ID :
      hdac->ConvHalfCpltCallbackCh1 = HAL_DAC_ConvHalfCpltCallbackCh1;
      break;
    case HAL_DAC_CH1_ERROR_ID :
      hdac->ErrorCallbackCh1 = HAL_DAC_ErrorCallbackCh1;
      break;
    case HAL_DAC_CH1_UNDERRUN_CB_ID :
      hdac->DMAUnderrunCallbackCh1 = HAL_DAC_DMAUnderrunCallbackCh1;
      break;
    case HAL_DAC_CH2_COMPLETE_CB_ID :
      hdac->ConvCpltCallbackCh2 = HAL_DACEx_ConvCpltCallbackCh2;
      break;
    case HAL_DAC_CH2_HALF_COMPLETE_CB_ID :
      hdac->ConvHalfCpltCallbackCh2 = HAL_DACEx_ConvHalfCpltCallbackCh2;
      break;
    case HAL_DAC_CH2_ERROR_ID :
      hdac->ErrorCallbackCh2 = HAL_DACEx_ErrorCallbackCh2;
      break;
    case HAL_DAC_CH2_UNDERRUN_CB_ID :
      hdac->DMAUnderrunCallbackCh2 = HAL_DACEx_DMAUnderrunCallbackCh2;
      break;
    case HAL_DAC_MSP_INIT_CB_ID :
      hdac->MspInitCallback = HAL_DAC_MspInit;
      break;
    case HAL_DAC_MSP_DEINIT_CB_ID :
      hdac->MspDeInitCallback = HAL_DAC_MspDeInit;
      break;
    case HAL_DAC_ALL_CB_ID :
      hdac->ConvCpltCallbackCh1 = HAL_DAC_ConvCpltCallbackCh1;
      hdac->ConvHalfCpltCallbackCh1 = HAL_DAC_ConvHalfCpltCallbackCh1;
      hdac->ErrorCallbackCh1 = HAL_DAC_ErrorCallbackCh1;
      hdac->DMAUnderrunCallbackCh1 = HAL_DAC_DMAUnderrunCallbackCh1;
      hdac->ConvCpltCallbackCh2 = HAL_DACEx_ConvCpltCallbackCh2;
      hdac->ConvHalfCpltCallbackCh2 = HAL_DACEx_ConvHalfCpltCallbackCh2;
      hdac->ErrorCallbackCh2 = HAL_DACEx_ErrorCallbackCh2;
      hdac->DMAUnderrunCallbackCh2 = HAL_DACEx_DMAUnderrunCallbackCh2;
      hdac->MspInitCallback = HAL_DAC_MspInit;
      hdac->MspDeInitCallback = HAL_DAC_MspDeInit;
      break;
    default :
      /* Update the error code */
      hdac->ErrorCode |= HAL_DAC_ERROR_INVALID_CALLBACK; 
      /* update return status */
      status =  HAL_ERROR;
      break;
    }
  }
  else if (hdac->State == HAL_DAC_STATE_RESET)
  {
    switch (CallbackID)
    {
    case HAL_DAC_MSP_INIT_CB_ID :
      hdac->MspInitCallback = HAL_DAC_MspInit;
      break;
    case HAL_DAC_MSP_DEINIT_CB_ID :
      hdac->MspDeInitCallback = HAL_DAC_MspDeInit;
      break;
    default :
      /* Update the error code */
      hdac->ErrorCode |= HAL_DAC_ERROR_INVALID_CALLBACK; 
      /* update return status */
      status =  HAL_ERROR;
      break;
    }
  }
  else
  {
    /* Update the error code */
    hdac->ErrorCode |= HAL_DAC_ERROR_INVALID_CALLBACK; 
    /* update return status */
    status =  HAL_ERROR;
  }

  /* Release Lock */
  __HAL_UNLOCK(hdac);
  return status;
}
#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */
#endif /* HAL_DAC_MODULE_ENABLED */
#endif /* !STM32L010xB && !STM32L010x8 && !STM32L010x6 && !STM32L010x4 && !STM32L011xx && !STM32L021xx && !STM32L031xx && !STM32L041xx && !STM32L051xx && !STM32L061xx&& !STM32L071xx&& !STM32L081xx */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

