Configuration

Functions
__STATIC_INLINE void	LL_DMAMUX_SetRequestID (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel, uint32_t Request)
	Set DMAMUX request ID for DMAMUX Channel x. More...
__STATIC_INLINE uint32_t	LL_DMAMUX_GetRequestID (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel)
	Get DMAMUX request ID for DMAMUX Channel x. More...
__STATIC_INLINE void	LL_DMAMUX_SetSyncRequestNb (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel, uint32_t RequestNb)
	Set the number of DMA request that will be autorized after a synchronization event and/or the number of DMA request needed to generate an event. CxCR NBREQ LL_DMAMUX_SetSyncRequestNb. More...
__STATIC_INLINE uint32_t	LL_DMAMUX_GetSyncRequestNb (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel)
	Get the number of DMA request that will be autorized after a synchronization event and/or the number of DMA request needed to generate an event. CxCR NBREQ LL_DMAMUX_GetSyncRequestNb. More...
__STATIC_INLINE void	LL_DMAMUX_SetSyncPolarity (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel, uint32_t Polarity)
	Set the polarity of the signal on which the DMA request is synchronized. CxCR SPOL LL_DMAMUX_SetSyncPolarity. More...
__STATIC_INLINE uint32_t	LL_DMAMUX_GetSyncPolarity (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel)
	Get the polarity of the signal on which the DMA request is synchronized. CxCR SPOL LL_DMAMUX_GetSyncPolarity. More...
__STATIC_INLINE void	LL_DMAMUX_EnableEventGeneration (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel)
	Enable the Event Generation on DMAMUX channel x. CxCR EGE LL_DMAMUX_EnableEventGeneration. More...
__STATIC_INLINE void	LL_DMAMUX_DisableEventGeneration (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel)
	Disable the Event Generation on DMAMUX channel x. CxCR EGE LL_DMAMUX_DisableEventGeneration. More...
__STATIC_INLINE uint32_t	LL_DMAMUX_IsEnabledEventGeneration (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel)
	Check if the Event Generation on DMAMUX channel x is enabled or disabled. CxCR EGE LL_DMAMUX_IsEnabledEventGeneration. More...
__STATIC_INLINE void	LL_DMAMUX_EnableSync (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel)
	Enable the synchronization mode. CxCR SE LL_DMAMUX_EnableSync. More...
__STATIC_INLINE void	LL_DMAMUX_DisableSync (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel)
	Disable the synchronization mode. CxCR SE LL_DMAMUX_DisableSync. More...
__STATIC_INLINE uint32_t	LL_DMAMUX_IsEnabledSync (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel)
	Check if the synchronization mode is enabled or disabled. CxCR SE LL_DMAMUX_IsEnabledSync. More...
__STATIC_INLINE void	LL_DMAMUX_SetSyncID (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel, uint32_t SyncID)
	Set DMAMUX synchronization ID on DMAMUX Channel x. CxCR SYNC_ID LL_DMAMUX_SetSyncID. More...
__STATIC_INLINE uint32_t	LL_DMAMUX_GetSyncID (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t Channel)
	Get DMAMUX synchronization ID on DMAMUX Channel x. CxCR SYNC_ID LL_DMAMUX_GetSyncID. More...
__STATIC_INLINE void	LL_DMAMUX_EnableRequestGen (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t RequestGenChannel)
	Enable the Request Generator. RGxCR GE LL_DMAMUX_EnableRequestGen. More...
__STATIC_INLINE void	LL_DMAMUX_DisableRequestGen (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t RequestGenChannel)
	Disable the Request Generator. RGxCR GE LL_DMAMUX_DisableRequestGen. More...
__STATIC_INLINE uint32_t	LL_DMAMUX_IsEnabledRequestGen (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t RequestGenChannel)
	Check if the Request Generator is enabled or disabled. RGxCR GE LL_DMAMUX_IsEnabledRequestGen. More...
__STATIC_INLINE void	LL_DMAMUX_SetRequestGenPolarity (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t RequestGenChannel, uint32_t Polarity)
	Set the polarity of the signal on which the DMA request is generated. RGxCR GPOL LL_DMAMUX_SetRequestGenPolarity. More...
__STATIC_INLINE uint32_t	LL_DMAMUX_GetRequestGenPolarity (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t RequestGenChannel)
	Get the polarity of the signal on which the DMA request is generated. RGxCR GPOL LL_DMAMUX_GetRequestGenPolarity. More...
__STATIC_INLINE void	LL_DMAMUX_SetGenRequestNb (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t RequestGenChannel, uint32_t RequestNb)
	Set the number of DMA request that will be autorized after a generation event. More...
__STATIC_INLINE uint32_t	LL_DMAMUX_GetGenRequestNb (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t RequestGenChannel)
	Get the number of DMA request that will be autorized after a generation event. RGxCR GNBREQ LL_DMAMUX_GetGenRequestNb. More...
__STATIC_INLINE void	LL_DMAMUX_SetRequestSignalID (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t RequestGenChannel, uint32_t RequestSignalID)
	Set DMAMUX external Request Signal ID on DMAMUX Request Generation Trigger Event Channel x. RGxCR SIG_ID LL_DMAMUX_SetRequestSignalID. More...
__STATIC_INLINE uint32_t	LL_DMAMUX_GetRequestSignalID (DMAMUX_Channel_TypeDef *DMAMUXx, uint32_t RequestGenChannel)
	Get DMAMUX external Request Signal ID set on DMAMUX Channel x. RGxCR SIG_ID LL_DMAMUX_GetRequestSignalID. More...

Detailed Description

Function Documentation

LL_DMAMUX_DisableEventGeneration()

__STATIC_INLINE void LL_DMAMUX_DisableEventGeneration	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel
	)

Disable the Event Generation on DMAMUX channel x. CxCR EGE LL_DMAMUX_DisableEventGeneration.

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13

Return values

None

Definition at line 825 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  CLEAR_BIT((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_EGE);
}

LL_DMAMUX_DisableRequestGen()

__STATIC_INLINE void LL_DMAMUX_DisableRequestGen	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	RequestGenChannel
	)

Disable the Request Generator. RGxCR GE LL_DMAMUX_DisableRequestGen.

Parameters

DMAMUXx	DMAMUXx Instance
RequestGenChannel	This parameter can be one of the following values: LL_DMAMUX_REQ_GEN_0 LL_DMAMUX_REQ_GEN_1 LL_DMAMUX_REQ_GEN_2 LL_DMAMUX_REQ_GEN_3

Return values

None

Definition at line 1074 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  CLEAR_BIT(((DMAMUX_RequestGen_TypeDef *)((uint32_t)((uint32_t)DMAMUX1_RequestGenerator0 + (DMAMUX_RGCR_SIZE * (RequestGenChannel)))))->RGCR, DMAMUX_RGxCR_GE);
}

LL_DMAMUX_DisableSync()

__STATIC_INLINE void LL_DMAMUX_DisableSync	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel
	)

Disable the synchronization mode. CxCR SE LL_DMAMUX_DisableSync.

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13

Return values

None

Definition at line 906 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  CLEAR_BIT((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_SE);
}

LL_DMAMUX_EnableEventGeneration()

__STATIC_INLINE void LL_DMAMUX_EnableEventGeneration	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel
	)

Enable the Event Generation on DMAMUX channel x. CxCR EGE LL_DMAMUX_EnableEventGeneration.

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13

Return values

None

Definition at line 798 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  SET_BIT((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_EGE);
}

LL_DMAMUX_EnableRequestGen()

__STATIC_INLINE void LL_DMAMUX_EnableRequestGen	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	RequestGenChannel
	)

Enable the Request Generator. RGxCR GE LL_DMAMUX_EnableRequestGen.

Parameters

DMAMUXx	DMAMUXx Instance
RequestGenChannel	This parameter can be one of the following values: LL_DMAMUX_REQ_GEN_0 LL_DMAMUX_REQ_GEN_1 LL_DMAMUX_REQ_GEN_2 LL_DMAMUX_REQ_GEN_3

Return values

None

Definition at line 1057 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  SET_BIT(((DMAMUX_RequestGen_TypeDef *)((uint32_t)((uint32_t)DMAMUX1_RequestGenerator0 + (DMAMUX_RGCR_SIZE * (RequestGenChannel)))))->RGCR, DMAMUX_RGxCR_GE);
}

LL_DMAMUX_EnableSync()

__STATIC_INLINE void LL_DMAMUX_EnableSync	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel
	)

Enable the synchronization mode. CxCR SE LL_DMAMUX_EnableSync.

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13

Return values

None

Definition at line 879 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  SET_BIT((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_SE);
}

LL_DMAMUX_GetGenRequestNb()

__STATIC_INLINE uint32_t LL_DMAMUX_GetGenRequestNb	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	RequestGenChannel
	)

Get the number of DMA request that will be autorized after a generation event. RGxCR GNBREQ LL_DMAMUX_GetGenRequestNb.

Parameters

DMAMUXx	DMAMUXx Instance
RequestGenChannel	This parameter can be one of the following values: LL_DMAMUX_REQ_GEN_0 LL_DMAMUX_REQ_GEN_1 LL_DMAMUX_REQ_GEN_2 LL_DMAMUX_REQ_GEN_3

Return values

Between

Min_Data = 1 and Max_Data = 32

Definition at line 1170 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  return (uint32_t)((READ_BIT(((DMAMUX_RequestGen_TypeDef *)((uint32_t)((uint32_t)DMAMUX1_RequestGenerator0 + (DMAMUX_RGCR_SIZE * (RequestGenChannel)))))->RGCR, DMAMUX_RGxCR_GNBREQ) >> DMAMUX_RGxCR_GNBREQ_Pos) + 1U);
}

LL_DMAMUX_GetRequestGenPolarity()

__STATIC_INLINE uint32_t LL_DMAMUX_GetRequestGenPolarity	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	RequestGenChannel
	)

Get the polarity of the signal on which the DMA request is generated. RGxCR GPOL LL_DMAMUX_GetRequestGenPolarity.

Parameters

DMAMUXx	DMAMUXx Instance
RequestGenChannel	This parameter can be one of the following values: LL_DMAMUX_REQ_GEN_0 LL_DMAMUX_REQ_GEN_1 LL_DMAMUX_REQ_GEN_2 LL_DMAMUX_REQ_GEN_3

Return values

Returned

value can be one of the following values: LL_DMAMUX_REQ_GEN_NO_EVENT LL_DMAMUX_REQ_GEN_POL_RISING LL_DMAMUX_REQ_GEN_POL_FALLING LL_DMAMUX_REQ_GEN_POL_RISING_FALLING

Definition at line 1134 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  return (uint32_t)(READ_BIT(((DMAMUX_RequestGen_TypeDef *)((uint32_t)((uint32_t)DMAMUX1_RequestGenerator0 + (DMAMUX_RGCR_SIZE * (RequestGenChannel)))))->RGCR, DMAMUX_RGxCR_GPOL));
}

LL_DMAMUX_GetRequestID()

__STATIC_INLINE uint32_t LL_DMAMUX_GetRequestID	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel
	)

Get DMAMUX request ID for DMAMUX Channel x.

Note

DMAMUX channel 0 to 6 are mapped to DMA1 channel 1 to 7. DMAMUX channel 7 to 13 are mapped to DMA2 channel 1 to 7. CxCR DMAREQ_ID LL_DMAMUX_GetRequestID

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13

Return values

Returned

value can be one of the following values: LL_DMAMUX_REQ_MEM2MEM LL_DMAMUX_REQ_GENERATOR0 LL_DMAMUX_REQ_GENERATOR1 LL_DMAMUX_REQ_GENERATOR2 LL_DMAMUX_REQ_GENERATOR3 LL_DMAMUX_REQ_ADC1 LL_DMAMUX_REQ_DAC1_CH1 LL_DMAMUX_REQ_DAC1_CH2 LL_DMAMUX_REQ_TIM6_UP LL_DMAMUX_REQ_TIM7_UP LL_DMAMUX_REQ_SPI1_RX LL_DMAMUX_REQ_SPI1_TX LL_DMAMUX_REQ_SPI2_RX LL_DMAMUX_REQ_SPI2_TX LL_DMAMUX_REQ_SPI3_RX LL_DMAMUX_REQ_SPI3_TX LL_DMAMUX_REQ_I2C1_RX LL_DMAMUX_REQ_I2C1_TX LL_DMAMUX_REQ_I2C2_RX LL_DMAMUX_REQ_I2C2_TX LL_DMAMUX_REQ_I2C3_RX LL_DMAMUX_REQ_I2C3_TX LL_DMAMUX_REQ_I2C4_RX LL_DMAMUX_REQ_I2C4_TX LL_DMAMUX_REQ_USART1_RX LL_DMAMUX_REQ_USART1_TX LL_DMAMUX_REQ_USART2_RX LL_DMAMUX_REQ_USART2_TX LL_DMAMUX_REQ_USART3_RX LL_DMAMUX_REQ_USART3_TX LL_DMAMUX_REQ_UART4_RX LL_DMAMUX_REQ_UART4_TX LL_DMAMUX_REQ_UART5_RX LL_DMAMUX_REQ_UART5_TX LL_DMAMUX_REQ_LPUART1_RX LL_DMAMUX_REQ_LPUART1_TX LL_DMAMUX_REQ_SAI1_A LL_DMAMUX_REQ_SAI1_B LL_DMAMUX_REQ_SAI2_A LL_DMAMUX_REQ_SAI2_B LL_DMAMUX_REQ_OSPI1 LL_DMAMUX_REQ_OSPI2 LL_DMAMUX_REQ_TIM1_CH1 LL_DMAMUX_REQ_TIM1_CH2 LL_DMAMUX_REQ_TIM1_CH3 LL_DMAMUX_REQ_TIM1_CH4 LL_DMAMUX_REQ_TIM1_UP LL_DMAMUX_REQ_TIM1_TRIG LL_DMAMUX_REQ_TIM1_COM LL_DMAMUX_REQ_TIM8_CH1 LL_DMAMUX_REQ_TIM8_CH2 LL_DMAMUX_REQ_TIM8_CH3 LL_DMAMUX_REQ_TIM8_CH4 LL_DMAMUX_REQ_TIM8_UP LL_DMAMUX_REQ_TIM8_TRIG LL_DMAMUX_REQ_TIM8_COM LL_DMAMUX_REQ_TIM2_CH1 LL_DMAMUX_REQ_TIM2_CH2 LL_DMAMUX_REQ_TIM2_CH3 LL_DMAMUX_REQ_TIM2_CH4 LL_DMAMUX_REQ_TIM2_UP LL_DMAMUX_REQ_TIM3_CH1 LL_DMAMUX_REQ_TIM3_CH2 LL_DMAMUX_REQ_TIM3_CH3 LL_DMAMUX_REQ_TIM3_CH4 LL_DMAMUX_REQ_TIM3_UP LL_DMAMUX_REQ_TIM3_TRIG LL_DMAMUX_REQ_TIM4_CH1 LL_DMAMUX_REQ_TIM4_CH2 LL_DMAMUX_REQ_TIM4_CH3 LL_DMAMUX_REQ_TIM4_CH4 LL_DMAMUX_REQ_TIM4_UP LL_DMAMUX_REQ_TIM5_CH1 LL_DMAMUX_REQ_TIM5_CH2 LL_DMAMUX_REQ_TIM5_CH3 LL_DMAMUX_REQ_TIM5_CH4 LL_DMAMUX_REQ_TIM5_UP LL_DMAMUX_REQ_TIM5_TRIG LL_DMAMUX_REQ_TIM15_CH1 LL_DMAMUX_REQ_TIM15_UP LL_DMAMUX_REQ_TIM15_TRIG LL_DMAMUX_REQ_TIM15_COM LL_DMAMUX_REQ_TIM16_CH1 LL_DMAMUX_REQ_TIM16_UP LL_DMAMUX_REQ_TIM17_CH1 LL_DMAMUX_REQ_TIM17_UP LL_DMAMUX_REQ_DFSDM1_FLT0 LL_DMAMUX_REQ_DFSDM1_FLT1 LL_DMAMUX_REQ_DFSDM1_FLT2 LL_DMAMUX_REQ_DFSDM1_FLT3 LL_DMAMUX_REQ_DCMI LL_DMAMUX_REQ_AES_IN LL_DMAMUX_REQ_AES_OUT LL_DMAMUX_REQ_HASH_IN

Definition at line 653 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  return (uint32_t)(READ_BIT((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_DMAREQ_ID));
}

LL_DMAMUX_GetRequestSignalID()

__STATIC_INLINE uint32_t LL_DMAMUX_GetRequestSignalID	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	RequestGenChannel
	)

Get DMAMUX external Request Signal ID set on DMAMUX Channel x. RGxCR SIG_ID LL_DMAMUX_GetRequestSignalID.

Parameters

DMAMUXx	DMAMUXx Instance
RequestGenChannel	This parameter can be one of the following values: LL_DMAMUX_REQ_GEN_0 LL_DMAMUX_REQ_GEN_1 LL_DMAMUX_REQ_GEN_2 LL_DMAMUX_REQ_GEN_3

Return values

Returned

value can be one of the following values: LL_DMAMUX_REQ_GEN_EXTI_LINE0 LL_DMAMUX_REQ_GEN_EXTI_LINE1 LL_DMAMUX_REQ_GEN_EXTI_LINE2 LL_DMAMUX_REQ_GEN_EXTI_LINE3 LL_DMAMUX_REQ_GEN_EXTI_LINE4 LL_DMAMUX_REQ_GEN_EXTI_LINE5 LL_DMAMUX_REQ_GEN_EXTI_LINE6 LL_DMAMUX_REQ_GEN_EXTI_LINE7 LL_DMAMUX_REQ_GEN_EXTI_LINE8 LL_DMAMUX_REQ_GEN_EXTI_LINE9 LL_DMAMUX_REQ_GEN_EXTI_LINE10 LL_DMAMUX_REQ_GEN_EXTI_LINE11 LL_DMAMUX_REQ_GEN_EXTI_LINE12 LL_DMAMUX_REQ_GEN_EXTI_LINE13 LL_DMAMUX_REQ_GEN_EXTI_LINE14 LL_DMAMUX_REQ_GEN_EXTI_LINE15 LL_DMAMUX_REQ_GEN_DMAMUX_CH0 LL_DMAMUX_REQ_GEN_DMAMUX_CH1 LL_DMAMUX_REQ_GEN_DMAMUX_CH2 LL_DMAMUX_REQ_GEN_DMAMUX_CH3 LL_DMAMUX_REQ_GEN_LPTIM1_OUT LL_DMAMUX_REQ_GEN_LPTIM2_OUT LL_DMAMUX_REQ_GEN_DSI_TE LL_DMAMUX_REQ_GEN_DSI_REFRESH_END LL_DMAMUX_REQ_GEN_DMA2D_TX_END LL_DMAMUX_REQ_GEN_LTDC_LINE_IT

Definition at line 1257 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  return (uint32_t)(READ_BIT(((DMAMUX_RequestGen_TypeDef *)((uint32_t)((uint32_t)DMAMUX1_RequestGenerator0 + (DMAMUX_RGCR_SIZE * (RequestGenChannel)))))->RGCR, DMAMUX_RGxCR_SIG_ID));
}

LL_DMAMUX_GetSyncID()

__STATIC_INLINE uint32_t LL_DMAMUX_GetSyncID	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel
	)

Get DMAMUX synchronization ID on DMAMUX Channel x. CxCR SYNC_ID LL_DMAMUX_GetSyncID.

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13

Return values

Returned

value can be one of the following values: LL_DMAMUX_SYNC_EXTI_LINE0 LL_DMAMUX_SYNC_EXTI_LINE1 LL_DMAMUX_SYNC_EXTI_LINE2 LL_DMAMUX_SYNC_EXTI_LINE3 LL_DMAMUX_SYNC_EXTI_LINE4 LL_DMAMUX_SYNC_EXTI_LINE5 LL_DMAMUX_SYNC_EXTI_LINE6 LL_DMAMUX_SYNC_EXTI_LINE7 LL_DMAMUX_SYNC_EXTI_LINE8 LL_DMAMUX_SYNC_EXTI_LINE9 LL_DMAMUX_SYNC_EXTI_LINE10 LL_DMAMUX_SYNC_EXTI_LINE11 LL_DMAMUX_SYNC_EXTI_LINE12 LL_DMAMUX_SYNC_EXTI_LINE13 LL_DMAMUX_SYNC_EXTI_LINE14 LL_DMAMUX_SYNC_EXTI_LINE15 LL_DMAMUX_SYNC_DMAMUX_CH0 LL_DMAMUX_SYNC_DMAMUX_CH1 LL_DMAMUX_SYNC_DMAMUX_CH2 LL_DMAMUX_SYNC_DMAMUX_CH3 LL_DMAMUX_SYNC_LPTIM1_OUT LL_DMAMUX_SYNC_LPTIM2_OUT LL_DMAMUX_SYNC_DSI_TE LL_DMAMUX_SYNC_DSI_REFRESH_END LL_DMAMUX_SYNC_DMA2D_TX_END LL_DMAMUX_SYNC_LTDC_LINE_IT

Definition at line 1040 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  return (uint32_t)(READ_BIT((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_SYNC_ID));
}

LL_DMAMUX_GetSyncPolarity()

__STATIC_INLINE uint32_t LL_DMAMUX_GetSyncPolarity	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel
	)

Get the polarity of the signal on which the DMA request is synchronized. CxCR SPOL LL_DMAMUX_GetSyncPolarity.

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13

Return values

Returned

value can be one of the following values: LL_DMAMUX_SYNC_NO_EVENT LL_DMAMUX_SYNC_POL_RISING LL_DMAMUX_SYNC_POL_FALLING LL_DMAMUX_SYNC_POL_RISING_FALLING

Definition at line 771 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  return (uint32_t)(READ_BIT((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_SPOL));
}

LL_DMAMUX_GetSyncRequestNb()

__STATIC_INLINE uint32_t LL_DMAMUX_GetSyncRequestNb	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel
	)

Get the number of DMA request that will be autorized after a synchronization event and/or the number of DMA request needed to generate an event. CxCR NBREQ LL_DMAMUX_GetSyncRequestNb.

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13

Return values

Between

Min_Data = 1 and Max_Data = 32

Definition at line 708 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  return (uint32_t)(((READ_BIT((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_NBREQ)) >> DMAMUX_CxCR_NBREQ_Pos) + 1U);
}

LL_DMAMUX_IsEnabledEventGeneration()

__STATIC_INLINE uint32_t LL_DMAMUX_IsEnabledEventGeneration	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel
	)

Check if the Event Generation on DMAMUX channel x is enabled or disabled. CxCR EGE LL_DMAMUX_IsEnabledEventGeneration.

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13

Return values

State

of bit (1 or 0).

Definition at line 852 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  return ((READ_BIT((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_EGE) == (DMAMUX_CxCR_EGE))? 1UL : 0UL);
}

LL_DMAMUX_IsEnabledRequestGen()

__STATIC_INLINE uint32_t LL_DMAMUX_IsEnabledRequestGen	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	RequestGenChannel
	)

Check if the Request Generator is enabled or disabled. RGxCR GE LL_DMAMUX_IsEnabledRequestGen.

Parameters

DMAMUXx	DMAMUXx Instance
RequestGenChannel	This parameter can be one of the following values: LL_DMAMUX_REQ_GEN_0 LL_DMAMUX_REQ_GEN_1 LL_DMAMUX_REQ_GEN_2 LL_DMAMUX_REQ_GEN_3

Return values

State

of bit (1 or 0).

Definition at line 1091 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  return ((READ_BIT(((DMAMUX_RequestGen_TypeDef *)((uint32_t)((uint32_t)DMAMUX1_RequestGenerator0 + (DMAMUX_RGCR_SIZE * (RequestGenChannel)))))->RGCR, DMAMUX_RGxCR_GE) == (DMAMUX_RGxCR_GE))? 1UL : 0UL);
}

LL_DMAMUX_IsEnabledSync()

__STATIC_INLINE uint32_t LL_DMAMUX_IsEnabledSync	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel
	)

Check if the synchronization mode is enabled or disabled. CxCR SE LL_DMAMUX_IsEnabledSync.

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13

Return values

State

of bit (1 or 0).

Definition at line 933 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  return ((READ_BIT((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_SE) == (DMAMUX_CxCR_SE))? 1UL : 0UL);
}

LL_DMAMUX_SetGenRequestNb()

__STATIC_INLINE void LL_DMAMUX_SetGenRequestNb	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	RequestGenChannel,
		uint32_t	RequestNb
	)

Set the number of DMA request that will be autorized after a generation event.

Note

This field can only be written when Generator is disabled. RGxCR GNBREQ LL_DMAMUX_SetGenRequestNb

Parameters

DMAMUXx	DMAMUXx Instance
RequestGenChannel	This parameter can be one of the following values: LL_DMAMUX_REQ_GEN_0 LL_DMAMUX_REQ_GEN_1 LL_DMAMUX_REQ_GEN_2 LL_DMAMUX_REQ_GEN_3
RequestNb	This parameter must be a value between Min_Data = 1 and Max_Data = 32.

Return values

None

Definition at line 1153 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  MODIFY_REG(((DMAMUX_RequestGen_TypeDef *)((uint32_t)((uint32_t)DMAMUX1_RequestGenerator0 + (DMAMUX_RGCR_SIZE * (RequestGenChannel)))))->RGCR, DMAMUX_RGxCR_GNBREQ, (RequestNb - 1U) << DMAMUX_RGxCR_GNBREQ_Pos);
}

LL_DMAMUX_SetRequestGenPolarity()

__STATIC_INLINE void LL_DMAMUX_SetRequestGenPolarity	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	RequestGenChannel,
		uint32_t	Polarity
	)

Set the polarity of the signal on which the DMA request is generated. RGxCR GPOL LL_DMAMUX_SetRequestGenPolarity.

Parameters

DMAMUXx	DMAMUXx Instance
RequestGenChannel	This parameter can be one of the following values: LL_DMAMUX_REQ_GEN_0 LL_DMAMUX_REQ_GEN_1 LL_DMAMUX_REQ_GEN_2 LL_DMAMUX_REQ_GEN_3
Polarity	This parameter can be one of the following values: LL_DMAMUX_REQ_GEN_NO_EVENT LL_DMAMUX_REQ_GEN_POL_RISING LL_DMAMUX_REQ_GEN_POL_FALLING LL_DMAMUX_REQ_GEN_POL_RISING_FALLING

Return values

None

Definition at line 1113 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  MODIFY_REG(((DMAMUX_RequestGen_TypeDef *)((uint32_t)((uint32_t)DMAMUX1_RequestGenerator0 + (DMAMUX_RGCR_SIZE * (RequestGenChannel)))))->RGCR, DMAMUX_RGxCR_GPOL, Polarity);
}

LL_DMAMUX_SetRequestID()

__STATIC_INLINE void LL_DMAMUX_SetRequestID	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel,
		uint32_t	Request
	)

Set DMAMUX request ID for DMAMUX Channel x.

Note

DMAMUX channel 0 to 6 are mapped to DMA1 channel 1 to 7. DMAMUX channel 7 to 13 are mapped to DMA2 channel 1 to 7. CxCR DMAREQ_ID LL_DMAMUX_SetRequestID

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13
Request	This parameter can be one of the following values: LL_DMAMUX_REQ_MEM2MEM LL_DMAMUX_REQ_GENERATOR0 LL_DMAMUX_REQ_GENERATOR1 LL_DMAMUX_REQ_GENERATOR2 LL_DMAMUX_REQ_GENERATOR3 LL_DMAMUX_REQ_ADC1 LL_DMAMUX_REQ_DAC1_CH1 LL_DMAMUX_REQ_DAC1_CH2 LL_DMAMUX_REQ_TIM6_UP LL_DMAMUX_REQ_TIM7_UP LL_DMAMUX_REQ_SPI1_RX LL_DMAMUX_REQ_SPI1_TX LL_DMAMUX_REQ_SPI2_RX LL_DMAMUX_REQ_SPI2_TX LL_DMAMUX_REQ_SPI3_RX LL_DMAMUX_REQ_SPI3_TX LL_DMAMUX_REQ_I2C1_RX LL_DMAMUX_REQ_I2C1_TX LL_DMAMUX_REQ_I2C2_RX LL_DMAMUX_REQ_I2C2_TX LL_DMAMUX_REQ_I2C3_RX LL_DMAMUX_REQ_I2C3_TX LL_DMAMUX_REQ_I2C4_RX LL_DMAMUX_REQ_I2C4_TX LL_DMAMUX_REQ_USART1_RX LL_DMAMUX_REQ_USART1_TX LL_DMAMUX_REQ_USART2_RX LL_DMAMUX_REQ_USART2_TX LL_DMAMUX_REQ_USART3_RX LL_DMAMUX_REQ_USART3_TX LL_DMAMUX_REQ_UART4_RX LL_DMAMUX_REQ_UART4_TX LL_DMAMUX_REQ_UART5_RX LL_DMAMUX_REQ_UART5_TX LL_DMAMUX_REQ_LPUART1_RX LL_DMAMUX_REQ_LPUART1_TX LL_DMAMUX_REQ_SAI1_A LL_DMAMUX_REQ_SAI1_B LL_DMAMUX_REQ_SAI2_A LL_DMAMUX_REQ_SAI2_B LL_DMAMUX_REQ_OSPI1 LL_DMAMUX_REQ_OSPI2 LL_DMAMUX_REQ_TIM1_CH1 LL_DMAMUX_REQ_TIM1_CH2 LL_DMAMUX_REQ_TIM1_CH3 LL_DMAMUX_REQ_TIM1_CH4 LL_DMAMUX_REQ_TIM1_UP LL_DMAMUX_REQ_TIM1_TRIG LL_DMAMUX_REQ_TIM1_COM LL_DMAMUX_REQ_TIM8_CH1 LL_DMAMUX_REQ_TIM8_CH2 LL_DMAMUX_REQ_TIM8_CH3 LL_DMAMUX_REQ_TIM8_CH4 LL_DMAMUX_REQ_TIM8_UP LL_DMAMUX_REQ_TIM8_TRIG LL_DMAMUX_REQ_TIM8_COM LL_DMAMUX_REQ_TIM2_CH1 LL_DMAMUX_REQ_TIM2_CH2 LL_DMAMUX_REQ_TIM2_CH3 LL_DMAMUX_REQ_TIM2_CH4 LL_DMAMUX_REQ_TIM2_UP LL_DMAMUX_REQ_TIM3_CH1 LL_DMAMUX_REQ_TIM3_CH2 LL_DMAMUX_REQ_TIM3_CH3 LL_DMAMUX_REQ_TIM3_CH4 LL_DMAMUX_REQ_TIM3_UP LL_DMAMUX_REQ_TIM3_TRIG LL_DMAMUX_REQ_TIM4_CH1 LL_DMAMUX_REQ_TIM4_CH2 LL_DMAMUX_REQ_TIM4_CH3 LL_DMAMUX_REQ_TIM4_CH4 LL_DMAMUX_REQ_TIM4_UP LL_DMAMUX_REQ_TIM5_CH1 LL_DMAMUX_REQ_TIM5_CH2 LL_DMAMUX_REQ_TIM5_CH3 LL_DMAMUX_REQ_TIM5_CH4 LL_DMAMUX_REQ_TIM5_UP LL_DMAMUX_REQ_TIM5_TRIG LL_DMAMUX_REQ_TIM15_CH1 LL_DMAMUX_REQ_TIM15_UP LL_DMAMUX_REQ_TIM15_TRIG LL_DMAMUX_REQ_TIM15_COM LL_DMAMUX_REQ_TIM16_CH1 LL_DMAMUX_REQ_TIM16_UP LL_DMAMUX_REQ_TIM17_CH1 LL_DMAMUX_REQ_TIM17_UP LL_DMAMUX_REQ_DFSDM1_FLT0 LL_DMAMUX_REQ_DFSDM1_FLT1 LL_DMAMUX_REQ_DFSDM1_FLT2 LL_DMAMUX_REQ_DFSDM1_FLT3 LL_DMAMUX_REQ_DCMI LL_DMAMUX_REQ_AES_IN LL_DMAMUX_REQ_AES_OUT LL_DMAMUX_REQ_HASH_IN

Return values

None

Definition at line 530 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  MODIFY_REG((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_DMAREQ_ID, Request);
}

LL_DMAMUX_SetRequestSignalID()

__STATIC_INLINE void LL_DMAMUX_SetRequestSignalID	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	RequestGenChannel,
		uint32_t	RequestSignalID
	)

Set DMAMUX external Request Signal ID on DMAMUX Request Generation Trigger Event Channel x. RGxCR SIG_ID LL_DMAMUX_SetRequestSignalID.

Parameters

DMAMUXx	DMAMUXx Instance
RequestGenChannel	This parameter can be one of the following values: LL_DMAMUX_REQ_GEN_0 LL_DMAMUX_REQ_GEN_1 LL_DMAMUX_REQ_GEN_2 LL_DMAMUX_REQ_GEN_3
RequestSignalID	This parameter can be one of the following values: LL_DMAMUX_REQ_GEN_EXTI_LINE0 LL_DMAMUX_REQ_GEN_EXTI_LINE1 LL_DMAMUX_REQ_GEN_EXTI_LINE2 LL_DMAMUX_REQ_GEN_EXTI_LINE3 LL_DMAMUX_REQ_GEN_EXTI_LINE4 LL_DMAMUX_REQ_GEN_EXTI_LINE5 LL_DMAMUX_REQ_GEN_EXTI_LINE6 LL_DMAMUX_REQ_GEN_EXTI_LINE7 LL_DMAMUX_REQ_GEN_EXTI_LINE8 LL_DMAMUX_REQ_GEN_EXTI_LINE9 LL_DMAMUX_REQ_GEN_EXTI_LINE10 LL_DMAMUX_REQ_GEN_EXTI_LINE11 LL_DMAMUX_REQ_GEN_EXTI_LINE12 LL_DMAMUX_REQ_GEN_EXTI_LINE13 LL_DMAMUX_REQ_GEN_EXTI_LINE14 LL_DMAMUX_REQ_GEN_EXTI_LINE15 LL_DMAMUX_REQ_GEN_DMAMUX_CH0 LL_DMAMUX_REQ_GEN_DMAMUX_CH1 LL_DMAMUX_REQ_GEN_DMAMUX_CH2 LL_DMAMUX_REQ_GEN_DMAMUX_CH3 LL_DMAMUX_REQ_GEN_LPTIM1_OUT LL_DMAMUX_REQ_GEN_LPTIM2_OUT LL_DMAMUX_REQ_GEN_DSI_TE LL_DMAMUX_REQ_GEN_DSI_REFRESH_END LL_DMAMUX_REQ_GEN_DMA2D_TX_END LL_DMAMUX_REQ_GEN_LTDC_LINE_IT

Return values

None

Definition at line 1214 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  MODIFY_REG(((DMAMUX_RequestGen_TypeDef *)((uint32_t)((uint32_t)DMAMUX1_RequestGenerator0 + (DMAMUX_RGCR_SIZE * (RequestGenChannel)))))->RGCR, DMAMUX_RGxCR_SIG_ID, RequestSignalID);
}

LL_DMAMUX_SetSyncID()

__STATIC_INLINE void LL_DMAMUX_SetSyncID	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel,
		uint32_t	SyncID
	)

Set DMAMUX synchronization ID on DMAMUX Channel x. CxCR SYNC_ID LL_DMAMUX_SetSyncID.

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13
SyncID	This parameter can be one of the following values: LL_DMAMUX_SYNC_EXTI_LINE0 LL_DMAMUX_SYNC_EXTI_LINE1 LL_DMAMUX_SYNC_EXTI_LINE2 LL_DMAMUX_SYNC_EXTI_LINE3 LL_DMAMUX_SYNC_EXTI_LINE4 LL_DMAMUX_SYNC_EXTI_LINE5 LL_DMAMUX_SYNC_EXTI_LINE6 LL_DMAMUX_SYNC_EXTI_LINE7 LL_DMAMUX_SYNC_EXTI_LINE8 LL_DMAMUX_SYNC_EXTI_LINE9 LL_DMAMUX_SYNC_EXTI_LINE10 LL_DMAMUX_SYNC_EXTI_LINE11 LL_DMAMUX_SYNC_EXTI_LINE12 LL_DMAMUX_SYNC_EXTI_LINE13 LL_DMAMUX_SYNC_EXTI_LINE14 LL_DMAMUX_SYNC_EXTI_LINE15 LL_DMAMUX_SYNC_DMAMUX_CH0 LL_DMAMUX_SYNC_DMAMUX_CH1 LL_DMAMUX_SYNC_DMAMUX_CH2 LL_DMAMUX_SYNC_DMAMUX_CH3 LL_DMAMUX_SYNC_LPTIM1_OUT LL_DMAMUX_SYNC_LPTIM2_OUT LL_DMAMUX_SYNC_DSI_TE LL_DMAMUX_SYNC_DSI_REFRESH_END LL_DMAMUX_SYNC_DMA2D_TX_END LL_DMAMUX_SYNC_LTDC_LINE_IT

Return values

None

Definition at line 987 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  MODIFY_REG((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_SYNC_ID, SyncID);
}

LL_DMAMUX_SetSyncPolarity()

__STATIC_INLINE void LL_DMAMUX_SetSyncPolarity	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel,
		uint32_t	Polarity
	)

Set the polarity of the signal on which the DMA request is synchronized. CxCR SPOL LL_DMAMUX_SetSyncPolarity.

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13
Polarity	This parameter can be one of the following values: LL_DMAMUX_SYNC_NO_EVENT LL_DMAMUX_SYNC_POL_RISING LL_DMAMUX_SYNC_POL_FALLING LL_DMAMUX_SYNC_POL_RISING_FALLING

Return values

None

Definition at line 740 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  MODIFY_REG((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_SPOL, Polarity);
}

LL_DMAMUX_SetSyncRequestNb()

__STATIC_INLINE void LL_DMAMUX_SetSyncRequestNb	(	DMAMUX_Channel_TypeDef *	DMAMUXx,
		uint32_t	Channel,
		uint32_t	RequestNb
	)

Set the number of DMA request that will be autorized after a synchronization event and/or the number of DMA request needed to generate an event. CxCR NBREQ LL_DMAMUX_SetSyncRequestNb.

Parameters

DMAMUXx	DMAMUXx Instance
Channel	This parameter can be one of the following values: LL_DMAMUX_CHANNEL_0 LL_DMAMUX_CHANNEL_1 LL_DMAMUX_CHANNEL_2 LL_DMAMUX_CHANNEL_3 LL_DMAMUX_CHANNEL_4 LL_DMAMUX_CHANNEL_5 LL_DMAMUX_CHANNEL_6 LL_DMAMUX_CHANNEL_7 LL_DMAMUX_CHANNEL_8 LL_DMAMUX_CHANNEL_9 LL_DMAMUX_CHANNEL_10 LL_DMAMUX_CHANNEL_11 LL_DMAMUX_CHANNEL_12 LL_DMAMUX_CHANNEL_13
RequestNb	This parameter must be a value between Min_Data = 1 and Max_Data = 32.

Return values

None

Definition at line 681 of file stm32l4xx_ll_dmamux.h.

{
  (void)(DMAMUXx);
  MODIFY_REG((DMAMUX1_Channel0 + Channel)->CCR, DMAMUX_CxCR_NBREQ, ((RequestNb - 1U) << DMAMUX_CxCR_NBREQ_Pos));
}