ST STM32F2

HAL DAC Generic Driver
UM1940
164/1371
DocID028236 Rev 2
HAL_DAC_Start
Function name
HAL_StatusTypeDef HAL_DAC_Start (DAC_HandleTypeDef *
hdac, uint32_t Channel)
Function description
Enables DAC and starts conversion of channel.
Parameters
hdac: pointer to a DAC_HandleTypeDef structure that
contains the configuration information for the specified DAC.
Channel: The selected DAC channel. This parameter can be
one of the following values:
DAC_CHANNEL_1: DAC Channel1 selected
DAC_CHANNEL_2: DAC Channel2 selected
Return values
HAL: status
HAL_DAC_Stop
Function name
HAL_StatusTypeDef HAL_DAC_Stop (DAC_HandleTypeDef *
hdac, uint32_t Channel)
Function description
Disables DAC and stop conversion of channel.
Parameters
hdac: pointer to a DAC_HandleTypeDef structure that
contains the configuration information for the specified DAC.
Channel: The selected DAC channel. This parameter can be
one of the following values:
DAC_CHANNEL_1: DAC Channel1 selected
DAC_CHANNEL_2: DAC Channel2 selected
Return values
HAL: status
HAL_DAC_Start_DMA
Function name
HAL_StatusTypeDef HAL_DAC_Start_DMA
(DAC_HandleTypeDef * hdac, uint32_t Channel, uint32_t *
pData, uint32_t Length, uint32_t Alignment)
Function description
Enables DAC and starts conversion of channel.
Parameters
hdac: pointer to a DAC_HandleTypeDef structure that
contains the configuration information for the specified DAC.
Channel: The selected DAC channel. This parameter can be
one of the following values:
DAC_CHANNEL_1: DAC Channel1 selected
DAC_CHANNEL_2: DAC Channel2 selected
pData: The destination peripheral Buffer address.
Length: The length of data to be transferred from memory to
DAC peripheral
Alignment: Specifies the data alignment for DAC channel.
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
Return values
HAL: status