DMA Management

Functions
__STATIC_INLINE void	LL_SPI_EnableDMAReq_RX (SPI_TypeDef *SPIx)
	Enable DMA Rx.
__STATIC_INLINE void	LL_SPI_DisableDMAReq_RX (SPI_TypeDef *SPIx)
	Disable DMA Rx.
__STATIC_INLINE uint32_t	LL_SPI_IsEnabledDMAReq_RX (SPI_TypeDef *SPIx)
	Check if DMA Rx is enabled.
__STATIC_INLINE void	LL_SPI_EnableDMAReq_TX (SPI_TypeDef *SPIx)
	Enable DMA Tx.
__STATIC_INLINE void	LL_SPI_DisableDMAReq_TX (SPI_TypeDef *SPIx)
	Disable DMA Tx.
__STATIC_INLINE uint32_t	LL_SPI_IsEnabledDMAReq_TX (SPI_TypeDef *SPIx)
	Check if DMA Tx is enabled.
__STATIC_INLINE void	LL_SPI_SetDMAParity_RX (SPI_TypeDef *SPIx, uint32_t Parity)
	Set parity of Last DMA reception.
__STATIC_INLINE uint32_t	LL_SPI_GetDMAParity_RX (SPI_TypeDef *SPIx)
	Get parity configuration for Last DMA reception.
__STATIC_INLINE void	LL_SPI_SetDMAParity_TX (SPI_TypeDef *SPIx, uint32_t Parity)
	Set parity of Last DMA transmission.
__STATIC_INLINE uint32_t	LL_SPI_GetDMAParity_TX (SPI_TypeDef *SPIx)
	Get parity configuration for Last DMA transmission.
__STATIC_INLINE uint32_t	LL_SPI_DMA_GetRegAddr (SPI_TypeDef *SPIx)
	Get the data register address used for DMA transfer.

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Function Documentation

__STATIC_INLINE void LL_SPI_DisableDMAReq_RX

(

SPI_TypeDef *

SPIx

)

Disable DMA Rx.

Reference Manual to LL API cross reference:

CR2 RXDMAEN LL_SPI_DisableDMAReq_RX

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 1205 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE void LL_SPI_DisableDMAReq_TX

(

SPI_TypeDef *

SPIx

)

Disable DMA Tx.

Reference Manual to LL API cross reference:

CR2 TXDMAEN LL_SPI_DisableDMAReq_TX

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 1238 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_SPI_DMA_GetRegAddr

(

SPI_TypeDef *

SPIx

)

Get the data register address used for DMA transfer.

Reference Manual to LL API cross reference:

DR DR LL_SPI_DMA_GetRegAddr

Parameters:

SPIx	SPI Instance

Return values:

Address

of data register

Definition at line 1314 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE void LL_SPI_EnableDMAReq_RX

(

SPI_TypeDef *

SPIx

)

Enable DMA Rx.

Reference Manual to LL API cross reference:

CR2 RXDMAEN LL_SPI_EnableDMAReq_RX

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 1194 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE void LL_SPI_EnableDMAReq_TX

(

SPI_TypeDef *

SPIx

)

Enable DMA Tx.

Reference Manual to LL API cross reference:

CR2 TXDMAEN LL_SPI_EnableDMAReq_TX

Parameters:

SPIx	SPI Instance

Return values:

None

Definition at line 1227 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_SPI_GetDMAParity_RX

(

SPI_TypeDef *

SPIx

)

Get parity configuration for Last DMA reception.

Reference Manual to LL API cross reference:

CR2 LDMARX LL_SPI_GetDMAParity_RX

Parameters:

SPIx	SPI Instance

Return values:

Returned

value can be one of the following values: LL_SPI_DMA_PARITY_ODD LL_SPI_DMA_PARITY_EVEN

Definition at line 1276 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_SPI_GetDMAParity_TX

(

SPI_TypeDef *

SPIx

)

Get parity configuration for Last DMA transmission.

Reference Manual to LL API cross reference:

CR2 LDMATX LL_SPI_GetDMAParity_TX

Parameters:

SPIx	SPI Instance

Return values:

Returned

value can be one of the following values: LL_SPI_DMA_PARITY_ODD LL_SPI_DMA_PARITY_EVEN

Definition at line 1303 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_SPI_IsEnabledDMAReq_RX

(

SPI_TypeDef *

SPIx

)

Check if DMA Rx is enabled.

Reference Manual to LL API cross reference:

CR2 RXDMAEN LL_SPI_IsEnabledDMAReq_RX

Parameters:

SPIx	SPI Instance

Return values:

State

of bit (1 or 0).

Definition at line 1216 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE uint32_t LL_SPI_IsEnabledDMAReq_TX

(

SPI_TypeDef *

SPIx

)

Check if DMA Tx is enabled.

Reference Manual to LL API cross reference:

CR2 TXDMAEN LL_SPI_IsEnabledDMAReq_TX

Parameters:

SPIx	SPI Instance

Return values:

State

of bit (1 or 0).

Definition at line 1249 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE void LL_SPI_SetDMAParity_RX	(	SPI_TypeDef *	SPIx,
		uint32_t	Parity
	)

Set parity of Last DMA reception.

Reference Manual to LL API cross reference:

CR2 LDMARX LL_SPI_SetDMAParity_RX

Parameters:

SPIx	SPI Instance
Parity	This parameter can be one of the following values: LL_SPI_DMA_PARITY_ODD LL_SPI_DMA_PARITY_EVEN

Return values:

None

Definition at line 1263 of file stm32l4xx_ll_spi.h.

__STATIC_INLINE void LL_SPI_SetDMAParity_TX	(	SPI_TypeDef *	SPIx,
		uint32_t	Parity
	)

Set parity of Last DMA transmission.

Reference Manual to LL API cross reference:

CR2 LDMATX LL_SPI_SetDMAParity_TX

Parameters:

SPIx	SPI Instance
Parity	This parameter can be one of the following values: LL_SPI_DMA_PARITY_ODD LL_SPI_DMA_PARITY_EVEN

Return values:

None

Definition at line 1290 of file stm32l4xx_ll_spi.h.