IO operation functions

IO operation functions. More...

Functions
HAL_StatusTypeDef	HAL_DAC_Start (DAC_HandleTypeDef *hdac, uint32_t Channel)
	Enables DAC and starts conversion of channel.
HAL_StatusTypeDef	HAL_DAC_Stop (DAC_HandleTypeDef *hdac, uint32_t Channel)
	Disables DAC and stop conversion of channel.
HAL_StatusTypeDef	HAL_DAC_Start_DMA (DAC_HandleTypeDef *hdac, uint32_t Channel, uint32_t *pData, uint32_t Length, uint32_t Alignment)
	Enables DAC and starts conversion of channel.
HAL_StatusTypeDef	HAL_DAC_Stop_DMA (DAC_HandleTypeDef *hdac, uint32_t Channel)
	Disables DAC and stop conversion of channel.
uint32_t	HAL_DAC_GetValue (DAC_HandleTypeDef *hdac, uint32_t Channel)
	Returns the last data output value of the selected DAC channel.
void	HAL_DAC_IRQHandler (DAC_HandleTypeDef *hdac)
	Handles DAC interrupt request.
__weak void	HAL_DAC_ConvCpltCallbackCh1 (DAC_HandleTypeDef *hdac)
	Conversion complete callback in non blocking mode for Channel1.
__weak void	HAL_DAC_ConvHalfCpltCallbackCh1 (DAC_HandleTypeDef *hdac)
	Conversion half DMA transfer callback in non blocking mode for Channel1.
__weak void	HAL_DAC_ErrorCallbackCh1 (DAC_HandleTypeDef *hdac)
	Error DAC callback for Channel1.
__weak void	HAL_DAC_DMAUnderrunCallbackCh1 (DAC_HandleTypeDef *hdac)
	DMA underrun DAC callback for channel1.

---

Detailed Description

IO operation functions.

  ==============================================================================
             ##### 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.
                     

---

Function Documentation

__weak void HAL_DAC_ConvCpltCallbackCh1

(

DAC_HandleTypeDef *

hdac

)

Conversion complete callback in non blocking mode for Channel1.

Parameters:

hdac	pointer to a DAC_HandleTypeDef structure that contains the configuration information for the specified DAC.

Return values:

None

Definition at line 687 of file stm32f4xx_hal_dac.c.

Referenced by DAC_DMAConvCpltCh1().

__weak void HAL_DAC_ConvHalfCpltCallbackCh1

(

DAC_HandleTypeDef *

hdac

)

Conversion half DMA transfer callback in non blocking mode for Channel1.

Parameters:

hdac	pointer to a DAC_HandleTypeDef structure that contains the configuration information for the specified DAC.

Return values:

None

Definition at line 702 of file stm32f4xx_hal_dac.c.

Referenced by DAC_DMAHalfConvCpltCh1().

__weak void HAL_DAC_DMAUnderrunCallbackCh1

(

DAC_HandleTypeDef *

hdac

)

DMA underrun DAC callback for channel1.

Parameters:

hdac	pointer to a DAC_HandleTypeDef structure that contains the configuration information for the specified DAC.

Return values:

None

Definition at line 732 of file stm32f4xx_hal_dac.c.

Referenced by HAL_DAC_IRQHandler().

__weak void HAL_DAC_ErrorCallbackCh1

(

DAC_HandleTypeDef *

hdac

)

Error DAC callback for Channel1.

Parameters:

hdac	pointer to a DAC_HandleTypeDef structure that contains the configuration information for the specified DAC.

Return values:

None

Definition at line 717 of file stm32f4xx_hal_dac.c.

Referenced by DAC_DMAErrorCh1().

uint32_t HAL_DAC_GetValue	(	DAC_HandleTypeDef *	hdac,
		uint32_t	Channel
	)

Returns the last data output value of the selected DAC 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:

The	selected DAC channel data output value.

Definition at line 619 of file stm32f4xx_hal_dac.c.

References assert_param, DAC_CHANNEL_1, DAC_HandleTypeDef::Instance, and IS_DAC_CHANNEL.

void HAL_DAC_IRQHandler

(

DAC_HandleTypeDef *

hdac

)

Handles DAC interrupt request.

Parameters:

hdac	pointer to a DAC_HandleTypeDef structure that contains the configuration information for the specified DAC.

Return values:

None

Definition at line 641 of file stm32f4xx_hal_dac.c.

References __HAL_DAC_CLEAR_FLAG, __HAL_DAC_GET_FLAG, DAC_FLAG_DMAUDR1, DAC_FLAG_DMAUDR2, DAC_HandleTypeDef::ErrorCode, HAL_DAC_DMAUnderrunCallbackCh1(), HAL_DAC_ERROR_DMAUNDERRUNCH1, HAL_DAC_ERROR_DMAUNDERRUNCH2, HAL_DAC_STATE_ERROR, HAL_DACEx_DMAUnderrunCallbackCh2(), DAC_HandleTypeDef::Instance, and DAC_HandleTypeDef::State.

HAL_StatusTypeDef HAL_DAC_Start	(	DAC_HandleTypeDef *	hdac,
		uint32_t	Channel
	)

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

Definition at line 359 of file stm32f4xx_hal_dac.c.

References __HAL_DAC_ENABLE, assert_param, DAC_CHANNEL_1, HAL_DAC_STATE_BUSY, HAL_DAC_STATE_READY, DAC_HandleTypeDef::Instance, IS_DAC_CHANNEL, and DAC_HandleTypeDef::State.

HAL_StatusTypeDef HAL_DAC_Start_DMA	(	DAC_HandleTypeDef *	hdac,
		uint32_t	Channel,
		uint32_t *	pData,
		uint32_t	Length,
		uint32_t	Alignment
	)

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

Definition at line 450 of file stm32f4xx_hal_dac.c.

References __HAL_DAC_ENABLE, __HAL_DAC_ENABLE_IT, assert_param, DAC_ALIGN_12B_L, DAC_ALIGN_12B_R, DAC_ALIGN_8B_R, DAC_CHANNEL_1, DAC_DMAConvCpltCh1(), DAC_DMAConvCpltCh2(), DAC_DMAErrorCh1(), DAC_DMAErrorCh2(), DAC_DMAHalfConvCpltCh1(), DAC_DMAHalfConvCpltCh2(), DAC_IT_DMAUDR1, DAC_IT_DMAUDR2, DAC_HandleTypeDef::DMA_Handle1, DAC_HandleTypeDef::DMA_Handle2, HAL_DAC_STATE_BUSY, HAL_DMA_Start_IT(), DAC_HandleTypeDef::Instance, IS_DAC_ALIGN, IS_DAC_CHANNEL, DAC_HandleTypeDef::State, __DMA_HandleTypeDef::XferCpltCallback, __DMA_HandleTypeDef::XferErrorCallback, and __DMA_HandleTypeDef::XferHalfCpltCallback.

HAL_StatusTypeDef HAL_DAC_Stop	(	DAC_HandleTypeDef *	hdac,
		uint32_t	Channel
	)

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

Definition at line 418 of file stm32f4xx_hal_dac.c.

References __HAL_DAC_DISABLE, assert_param, HAL_DAC_STATE_READY, IS_DAC_CHANNEL, and DAC_HandleTypeDef::State.

HAL_StatusTypeDef HAL_DAC_Stop_DMA	(	DAC_HandleTypeDef *	hdac,
		uint32_t	Channel
	)

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

Definition at line 569 of file stm32f4xx_hal_dac.c.

References __HAL_DAC_DISABLE, assert_param, DAC_CHANNEL_1, DAC_HandleTypeDef::DMA_Handle1, DAC_HandleTypeDef::DMA_Handle2, HAL_DAC_STATE_ERROR, HAL_DAC_STATE_READY, HAL_DMA_Abort(), DAC_HandleTypeDef::Instance, IS_DAC_CHANNEL, and DAC_HandleTypeDef::State.