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Operation on DAC channels
Functions

Operation on DAC channels
[DAC Exported Functions]

Functions

__STATIC_INLINE void LL_DAC_Enable (DAC_TypeDef *DACx, uint32_t DAC_Channel)
 Enable DAC selected channel.
__STATIC_INLINE void LL_DAC_Disable (DAC_TypeDef *DACx, uint32_t DAC_Channel)
 Disable DAC selected channel.
__STATIC_INLINE uint32_t LL_DAC_IsEnabled (DAC_TypeDef *DACx, uint32_t DAC_Channel)
 Get DAC enable state of the selected channel.
__STATIC_INLINE void LL_DAC_EnableTrigger (DAC_TypeDef *DACx, uint32_t DAC_Channel)
 Enable DAC trigger of the selected channel.
__STATIC_INLINE void LL_DAC_DisableTrigger (DAC_TypeDef *DACx, uint32_t DAC_Channel)
 Disable DAC trigger of the selected channel.
__STATIC_INLINE uint32_t LL_DAC_IsTriggerEnabled (DAC_TypeDef *DACx, uint32_t DAC_Channel)
 Get DAC trigger state of the selected channel.
__STATIC_INLINE void LL_DAC_TrigSWConversion (DAC_TypeDef *DACx, uint32_t DAC_Channel)
 Trig DAC conversion by software for the selected DAC channel.
__STATIC_INLINE void LL_DAC_ConvertData12RightAligned (DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
 Set the data to be loaded in the data holding register in format 12 bits left alignment (LSB aligned on bit 0), for the selected DAC channel.
__STATIC_INLINE void LL_DAC_ConvertData12LeftAligned (DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
 Set the data to be loaded in the data holding register in format 12 bits left alignment (MSB aligned on bit 15), for the selected DAC channel.
__STATIC_INLINE void LL_DAC_ConvertData8RightAligned (DAC_TypeDef *DACx, uint32_t DAC_Channel, uint32_t Data)
 Set the data to be loaded in the data holding register in format 8 bits left alignment (LSB aligned on bit 0), for the selected DAC channel.
__STATIC_INLINE void LL_DAC_ConvertDualData12RightAligned (DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
 Set the data to be loaded in the data holding register in format 12 bits left alignment (LSB aligned on bit 0), for both DAC channels.
__STATIC_INLINE void LL_DAC_ConvertDualData12LeftAligned (DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
 Set the data to be loaded in the data holding register in format 12 bits left alignment (MSB aligned on bit 15), for both DAC channels.
__STATIC_INLINE void LL_DAC_ConvertDualData8RightAligned (DAC_TypeDef *DACx, uint32_t DataChannel1, uint32_t DataChannel2)
 Set the data to be loaded in the data holding register in format 8 bits left alignment (LSB aligned on bit 0), for both DAC channels.
__STATIC_INLINE uint32_t LL_DAC_RetrieveOutputData (DAC_TypeDef *DACx, uint32_t DAC_Channel)
 Retrieve output data currently generated for the selected DAC channel.

Function Documentation

__STATIC_INLINE void LL_DAC_ConvertData12LeftAligned ( DAC_TypeDef *  DACx,
uint32_t  DAC_Channel,
uint32_t  Data 
)

Set the data to be loaded in the data holding register in format 12 bits left alignment (MSB aligned on bit 15), for the selected DAC channel.

DHR12L1 DACC1DHR LL_DAC_ConvertData12LeftAligned
DHR12L2 DACC2DHR LL_DAC_ConvertData12LeftAligned

Parameters:
DACxDAC instance
DAC_ChannelThis parameter can be one of the following values:

  • LL_DAC_CHANNEL_1
  • LL_DAC_CHANNEL_2
DataValue between Min_Data=0x000 and Max_Data=0xFFF
Return values:
None

Definition at line 1490 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE void LL_DAC_ConvertData12RightAligned ( DAC_TypeDef *  DACx,
uint32_t  DAC_Channel,
uint32_t  Data 
)

Set the data to be loaded in the data holding register in format 12 bits left alignment (LSB aligned on bit 0), for the selected DAC channel.

DHR12R1 DACC1DHR LL_DAC_ConvertData12RightAligned
DHR12R2 DACC2DHR LL_DAC_ConvertData12RightAligned

Parameters:
DACxDAC instance
DAC_ChannelThis parameter can be one of the following values:

  • LL_DAC_CHANNEL_1
  • LL_DAC_CHANNEL_2
DataValue between Min_Data=0x000 and Max_Data=0xFFF
Return values:
None

Definition at line 1468 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE void LL_DAC_ConvertData8RightAligned ( DAC_TypeDef *  DACx,
uint32_t  DAC_Channel,
uint32_t  Data 
)

Set the data to be loaded in the data holding register in format 8 bits left alignment (LSB aligned on bit 0), for the selected DAC channel.

DHR8R1 DACC1DHR LL_DAC_ConvertData8RightAligned
DHR8R2 DACC2DHR LL_DAC_ConvertData8RightAligned

Parameters:
DACxDAC instance
DAC_ChannelThis parameter can be one of the following values:

  • LL_DAC_CHANNEL_1
  • LL_DAC_CHANNEL_2
DataValue between Min_Data=0x00 and Max_Data=0xFF
Return values:
None

Definition at line 1512 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE void LL_DAC_ConvertDualData12LeftAligned ( DAC_TypeDef *  DACx,
uint32_t  DataChannel1,
uint32_t  DataChannel2 
)

Set the data to be loaded in the data holding register in format 12 bits left alignment (MSB aligned on bit 15), for both DAC channels.

DHR12LD DACC1DHR LL_DAC_ConvertDualData12LeftAligned
DHR12LD DACC2DHR LL_DAC_ConvertDualData12LeftAligned

Parameters:
DACxDAC instance
DataChannel1Value between Min_Data=0x000 and Max_Data=0xFFF
DataChannel2Value between Min_Data=0x000 and Max_Data=0xFFF
Return values:
None

Definition at line 1550 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE void LL_DAC_ConvertDualData12RightAligned ( DAC_TypeDef *  DACx,
uint32_t  DataChannel1,
uint32_t  DataChannel2 
)

Set the data to be loaded in the data holding register in format 12 bits left alignment (LSB aligned on bit 0), for both DAC channels.

DHR12RD DACC1DHR LL_DAC_ConvertDualData12RightAligned
DHR12RD DACC2DHR LL_DAC_ConvertDualData12RightAligned

Parameters:
DACxDAC instance
DataChannel1Value between Min_Data=0x000 and Max_Data=0xFFF
DataChannel2Value between Min_Data=0x000 and Max_Data=0xFFF
Return values:
None

Definition at line 1532 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE void LL_DAC_ConvertDualData8RightAligned ( DAC_TypeDef *  DACx,
uint32_t  DataChannel1,
uint32_t  DataChannel2 
)

Set the data to be loaded in the data holding register in format 8 bits left alignment (LSB aligned on bit 0), for both DAC channels.

DHR8RD DACC1DHR LL_DAC_ConvertDualData8RightAligned
DHR8RD DACC2DHR LL_DAC_ConvertDualData8RightAligned

Parameters:
DACxDAC instance
DataChannel1Value between Min_Data=0x00 and Max_Data=0xFF
DataChannel2Value between Min_Data=0x00 and Max_Data=0xFF
Return values:
None

Definition at line 1571 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE void LL_DAC_Disable ( DAC_TypeDef *  DACx,
uint32_t  DAC_Channel 
)

Disable DAC selected channel.

CR EN1 LL_DAC_Disable
CR EN2 LL_DAC_Disable

Parameters:
DACxDAC instance
DAC_ChannelThis parameter can be one of the following values:

  • LL_DAC_CHANNEL_1
  • LL_DAC_CHANNEL_2
Return values:
None

Definition at line 1348 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE void LL_DAC_DisableTrigger ( DAC_TypeDef *  DACx,
uint32_t  DAC_Channel 
)

Disable DAC trigger of the selected channel.

CR TEN1 LL_DAC_DisableTrigger
CR TEN2 LL_DAC_DisableTrigger

Parameters:
DACxDAC instance
DAC_ChannelThis parameter can be one of the following values:

  • LL_DAC_CHANNEL_1
  • LL_DAC_CHANNEL_2
Return values:
None

Definition at line 1406 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE void LL_DAC_Enable ( DAC_TypeDef *  DACx,
uint32_t  DAC_Channel 
)

Enable DAC selected channel.

CR EN1 LL_DAC_Enable
CR EN2 LL_DAC_Enable

Note:
After enable from off state, DAC channel requires a delay for output voltage to reach accuracy +/- 1 LSB. Refer to device datasheet, parameter "tWAKEUP".
Parameters:
DACxDAC instance
DAC_ChannelThis parameter can be one of the following values:

  • LL_DAC_CHANNEL_1
  • LL_DAC_CHANNEL_2
Return values:
None

Definition at line 1332 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE void LL_DAC_EnableTrigger ( DAC_TypeDef *  DACx,
uint32_t  DAC_Channel 
)

Enable DAC trigger of the selected channel.

Note:
- If DAC trigger is disabled, DAC conversion is performed automatically once the data holding register is updated, using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()": LL_DAC_ConvertData12RightAligned(), ...
  • If DAC trigger is enabled, DAC conversion is performed only when a hardware of software trigger event is occurring. Select trigger source using function LL_DAC_SetTriggerSource(). CR TEN1 LL_DAC_EnableTrigger
    CR TEN2 LL_DAC_EnableTrigger
Parameters:
DACxDAC instance
DAC_ChannelThis parameter can be one of the following values:

  • LL_DAC_CHANNEL_1
  • LL_DAC_CHANNEL_2
Return values:
None

Definition at line 1390 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE uint32_t LL_DAC_IsEnabled ( DAC_TypeDef *  DACx,
uint32_t  DAC_Channel 
)

Get DAC enable state of the selected channel.

(0: DAC channel is disabled, 1: DAC channel is enabled) CR EN1 LL_DAC_IsEnabled
CR EN2 LL_DAC_IsEnabled

Parameters:
DACxDAC instance
DAC_ChannelThis parameter can be one of the following values:

  • LL_DAC_CHANNEL_1
  • LL_DAC_CHANNEL_2
Return values:
Stateof bit (1 or 0).

Definition at line 1365 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE uint32_t LL_DAC_IsTriggerEnabled ( DAC_TypeDef *  DACx,
uint32_t  DAC_Channel 
)

Get DAC trigger state of the selected channel.

(0: DAC trigger is disabled, 1: DAC trigger is enabled) CR TEN1 LL_DAC_IsTriggerEnabled
CR TEN2 LL_DAC_IsTriggerEnabled

Parameters:
DACxDAC instance
DAC_ChannelThis parameter can be one of the following values:

  • LL_DAC_CHANNEL_1
  • LL_DAC_CHANNEL_2
Return values:
Stateof bit (1 or 0).

Definition at line 1423 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE uint32_t LL_DAC_RetrieveOutputData ( DAC_TypeDef *  DACx,
uint32_t  DAC_Channel 
)

Retrieve output data currently generated for the selected DAC channel.

Note:
Whatever alignment and resolution settings (using functions "LL_DAC_ConvertData{8; 12}{Right; Left} Aligned()": LL_DAC_ConvertData12RightAligned(), ...), output data format is 12 bits right aligned (LSB aligned on bit 0). DOR1 DACC1DOR LL_DAC_RetrieveOutputData
DOR2 DACC2DOR LL_DAC_RetrieveOutputData
Parameters:
DACxDAC instance
DAC_ChannelThis parameter can be one of the following values:

  • LL_DAC_CHANNEL_1
  • LL_DAC_CHANNEL_2
Return values:
Valuebetween Min_Data=0x000 and Max_Data=0xFFF

Definition at line 1592 of file stm32l4xx_ll_dac.h.

__STATIC_INLINE void LL_DAC_TrigSWConversion ( DAC_TypeDef *  DACx,
uint32_t  DAC_Channel 
)

Trig DAC conversion by software for the selected DAC channel.

Note:
Preliminarily, DAC trigger must be set to software trigger using function LL_DAC_SetTriggerSource() with parameter "LL_DAC_TRIGGER_SOFTWARE". and DAC trigger must be enabled using function LL_DAC_EnableTrigger().
For devices featuring DAC with 2 channels: this function can perform a SW start of both DAC channels simultaneously. Two channels can be selected as parameter. Example: (LL_DAC_CHANNEL_1 | LL_DAC_CHANNEL_2) SWTRIGR SWTRIG1 LL_DAC_TrigSWConversion
SWTRIGR SWTRIG2 LL_DAC_TrigSWConversion
Parameters:
DACxDAC instance
DAC_ChannelThis parameter can a combination of the following values:

  • LL_DAC_CHANNEL_1
  • LL_DAC_CHANNEL_2
Return values:
None

Definition at line 1449 of file stm32l4xx_ll_dac.h.

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