/**
* @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
* @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
*/
HAL_StatusTypeDef HAL_DAC_SetValue(DAC_HandleTypeDef* hdac, uint32_t Channel, uint32_t Alignment, uint32_t Data)
{
__IO uint32_t tmp = 0U;
/* 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;
if(Channel == DAC_CHANNEL_1)
{
tmp += DAC_DHR12R1_ALIGNMENT(Alignment);
}
else
{
tmp += DAC_DHR12R2_ALIGNMENT(Alignment);
}
/* Set the DAC channel1 selected data holding register */
*(__IO uint32_t *) tmp = Data;
/* Return function status */
return HAL_OK;
}
/**
* @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 = 0U, tmp = 0U;
/* 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_ALIGNEMENT(Alignment);
/* Set the dual DAC selected data holding register */
*(__IO uint32_t *)tmp = data;
/* 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
* @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 */
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);
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;
}
/**
* @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;
}
/**
* @brief Set the specified data holding register value for DAC channel1.
* @param DAC_Align : Specifies the data alignement for DAC channel1 from
* @ref DAC_Align_TypeDef enumeration.
* @param DAC_Data : Data to be loaded in the selected data holding register.
* @retval None.
*/
void DAC_SetChannel1Data(DAC_Align_TypeDef DAC_Align, uint16_t DAC_Data)
{
/* Check the parameters */
assert_param(IS_DAC_ALIGN(DAC_Align));
if (DAC_Align != DAC_Align_8b_R)
{
/* Set the DAC channel1 selected data holding register */
*(uint8_t*)((uint16_t)(DAC_BASE + CH1RDHRH_Offset + DAC_Align )) = (uint8_t)(((uint16_t)DAC_Data) >> 8);
*(uint8_t*)((uint16_t)(DAC_BASE + CH1RDHRH_Offset + 1 + DAC_Align )) = (uint8_t)DAC_Data;
}
/**
* @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 alignment: Specifies the data alignment for DAC channel1.
* 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)DAC_BASE;
tmp += __HAL_DHR12R1_ALIGNEMENT(alignment);
/* Set the DAC channel1 selected data holding register */
*(__IO uint32_t *) tmp = data;
/* Return function status */
return HAL_OK;
}
/**
* @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 = 0U;
/* 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 */
/* DAC 1 has 2 channels 1U & 2U - DAC 2 has one channel 1U */
if(Channel == DAC_CHANNEL_1)
{
tmp += DAC_DHR12R1_ALIGNMENT(Alignment);
}
#if defined(STM32F303xE) || defined(STM32F398xx) || \
defined(STM32F303xC) || defined(STM32F358xx) || \
defined(STM32F303x8) || defined(STM32F334x8) || defined(STM32F328xx) || \
defined(STM32F373xC) || defined(STM32F378xx)
else /* channel = DAC_CHANNEL_2 */
{
tmp += DAC_DHR12R2_ALIGNMENT(Alignment);
}
#endif /* STM32F303xE || STM32F398xx || */
/* STM32F303xC || STM32F358xx || */
/* STM32F303x8 || STM32F334x8 || STM32F328xx || */
/* STM32F373xC || STM32F378xx */
/* Set the DAC channel1 selected data holding register */
*(__IO uint32_t *) tmp = Data;
/* 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
* @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 = 0U;
/* 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;
}
UNUSED(tmpreg); /* avoid warning on tmpreg affectation with stupid compiler */
}
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 Stream */
if(Channel == DAC_CHANNEL_1)
{
/* Enable the DAC DMA underrun interrupt */
__HAL_DAC_ENABLE_IT(hdac, DAC_IT_DMAUDR1);
/* Enable the DMA Stream */
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 Stream */
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;
}
