stm32f4xx_hal_dac_ex.c

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/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
 
#ifdef HAL_DAC_MODULE_ENABLED
 
#if defined(DAC)
 
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
 
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
 
#if defined(DAC_CHANNEL2_SUPPORT)
HAL_StatusTypeDef HAL_DACEx_DualStart(DAC_HandleTypeDef *hdac)
{
  uint32_t tmp_swtrig = 0UL;
 
  /* Check the DAC peripheral handle */
  if (hdac == NULL)
  {
    return HAL_ERROR;
  }
 
 
  /* Process locked */
  __HAL_LOCK(hdac);
 
  /* Change DAC state */
  hdac->State = HAL_DAC_STATE_BUSY;
 
  /* Enable the Peripheral */
  __HAL_DAC_ENABLE(hdac, DAC_CHANNEL_1);
  __HAL_DAC_ENABLE(hdac, DAC_CHANNEL_2);
 
  /* Check if software trigger enabled */
  if ((hdac->Instance->CR & (DAC_CR_TEN1 | DAC_CR_TSEL1)) == DAC_TRIGGER_SOFTWARE)
  {
    tmp_swtrig |= DAC_SWTRIGR_SWTRIG1;
  }
  if ((hdac->Instance->CR & (DAC_CR_TEN2 | DAC_CR_TSEL2)) == (DAC_TRIGGER_SOFTWARE << (DAC_CHANNEL_2 & 0x10UL)))
  {
    tmp_swtrig |= DAC_SWTRIGR_SWTRIG2;
  }
  /* Enable the selected DAC software conversion*/
  SET_BIT(hdac->Instance->SWTRIGR, tmp_swtrig);
 
  /* Change DAC state */
  hdac->State = HAL_DAC_STATE_READY;
 
  /* Process unlocked */
  __HAL_UNLOCK(hdac);
 
  /* Return function status */
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_DACEx_DualStop(DAC_HandleTypeDef *hdac)
{
  /* Check the DAC peripheral handle */
  if (hdac == NULL)
  {
    return HAL_ERROR;
  }
 
 
  /* Disable the Peripheral */
  __HAL_DAC_DISABLE(hdac, DAC_CHANNEL_1);
  __HAL_DAC_DISABLE(hdac, DAC_CHANNEL_2);
 
  /* Change DAC state */
  hdac->State = HAL_DAC_STATE_READY;
 
  /* Return function status */
  return HAL_OK;
}
#endif /* DAC_CHANNEL2_SUPPORT */
 
HAL_StatusTypeDef HAL_DACEx_TriangleWaveGenerate(DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t Amplitude)
{
  /* Check the DAC peripheral handle */
  if (hdac == NULL)
  {
    return HAL_ERROR;
  }
 
  /* 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 triangle wave generation for the selected DAC channel */
  MODIFY_REG(hdac->Instance->CR, ((DAC_CR_WAVE1) | (DAC_CR_MAMP1)) << (Channel & 0x10UL),
             (DAC_CR_WAVE1_1 | Amplitude) << (Channel & 0x10UL));
 
  /* Change DAC state */
  hdac->State = HAL_DAC_STATE_READY;
 
  /* Process unlocked */
  __HAL_UNLOCK(hdac);
 
  /* Return function status */
  return HAL_OK;
}
 
HAL_StatusTypeDef HAL_DACEx_NoiseWaveGenerate(DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t Amplitude)
{
  /* Check the DAC peripheral handle */
  if (hdac == NULL)
  {
    return HAL_ERROR;
  }
 
  /* 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 noise wave generation for the selected DAC channel */
  MODIFY_REG(hdac->Instance->CR, ((DAC_CR_WAVE1) | (DAC_CR_MAMP1)) << (Channel & 0x10UL),
             (DAC_CR_WAVE1_0 | Amplitude) << (Channel & 0x10UL));
 
  /* Change DAC state */
  hdac->State = HAL_DAC_STATE_READY;
 
  /* Process unlocked */
  __HAL_UNLOCK(hdac);
 
  /* Return function status */
  return HAL_OK;
}
 
#if defined(DAC_CHANNEL2_SUPPORT)
HAL_StatusTypeDef HAL_DACEx_DualSetValue(DAC_HandleTypeDef *hdac, uint32_t Alignment, uint32_t Data1, uint32_t Data2)
{
  uint32_t data;
  uint32_t tmp;
 
  /* Check the DAC peripheral handle */
  if (hdac == NULL)
  {
    return HAL_ERROR;
  }
 
  /* 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 << 8U) | Data1;
  }
  else
  {
    data = ((uint32_t)Data2 << 16U) | 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;
}
 
__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_DACEx_ConvCpltCallbackCh2 could be implemented in the user file
   */
}
 
__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_DACEx_ConvHalfCpltCallbackCh2 could be implemented in the user file
   */
}
 
__weak void HAL_DACEx_ErrorCallbackCh2(DAC_HandleTypeDef *hdac)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hdac);
 
  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_DACEx_ErrorCallbackCh2 could be implemented in the user file
   */
}
 
__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_DACEx_DMAUnderrunCallbackCh2 could be implemented in the user file
   */
}
#endif /* DAC_CHANNEL2_SUPPORT */
 
 
#if defined(DAC_CHANNEL2_SUPPORT)
uint32_t HAL_DACEx_DualGetValue(const DAC_HandleTypeDef *hdac)
{
  uint32_t tmp = 0UL;
 
  tmp |= hdac->Instance->DOR1;
 
  tmp |= hdac->Instance->DOR2 << 16UL;
 
  /* Returns the DAC channel data output register value */
  return tmp;
}
#endif /* DAC_CHANNEL2_SUPPORT */
 
/* Private functions ---------------------------------------------------------*/
#if defined(DAC_CHANNEL2_SUPPORT)
void DAC_DMAConvCpltCh2(DMA_HandleTypeDef *hdma)
{
  DAC_HandleTypeDef *hdac = (DAC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
 
#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  hdac->ConvCpltCallbackCh2(hdac);
#else
  HAL_DACEx_ConvCpltCallbackCh2(hdac);
#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
 
  hdac->State = HAL_DAC_STATE_READY;
}
 
void DAC_DMAHalfConvCpltCh2(DMA_HandleTypeDef *hdma)
{
  DAC_HandleTypeDef *hdac = (DAC_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent;
  /* Conversion complete callback */
#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  hdac->ConvHalfCpltCallbackCh2(hdac);
#else
  HAL_DACEx_ConvHalfCpltCallbackCh2(hdac);
#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
}
 
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;
 
#if (USE_HAL_DAC_REGISTER_CALLBACKS == 1)
  hdac->ErrorCallbackCh2(hdac);
#else
  HAL_DACEx_ErrorCallbackCh2(hdac);
#endif /* USE_HAL_DAC_REGISTER_CALLBACKS */
 
  hdac->State = HAL_DAC_STATE_READY;
}
#endif /* DAC_CHANNEL2_SUPPORT */
 
#endif /* DAC */
 
#endif /* HAL_DAC_MODULE_ENABLED */