DMA_Management

Functions
__STATIC_INLINE void	LL_SWPMI_EnableDMAReq_RX (SWPMI_TypeDef *SWPMIx)
	Enable DMA mode for reception CR RXDMA LL_SWPMI_EnableDMAReq_RX. More...
__STATIC_INLINE void	LL_SWPMI_DisableDMAReq_RX (SWPMI_TypeDef *SWPMIx)
	Disable DMA mode for reception CR RXDMA LL_SWPMI_DisableDMAReq_RX. More...
__STATIC_INLINE uint32_t	LL_SWPMI_IsEnabledDMAReq_RX (SWPMI_TypeDef *SWPMIx)
	Check if DMA mode for reception is enabled CR RXDMA LL_SWPMI_IsEnabledDMAReq_RX. More...
__STATIC_INLINE void	LL_SWPMI_EnableDMAReq_TX (SWPMI_TypeDef *SWPMIx)
	Enable DMA mode for transmission CR TXDMA LL_SWPMI_EnableDMAReq_TX. More...
__STATIC_INLINE void	LL_SWPMI_DisableDMAReq_TX (SWPMI_TypeDef *SWPMIx)
	Disable DMA mode for transmission CR TXDMA LL_SWPMI_DisableDMAReq_TX. More...
__STATIC_INLINE uint32_t	LL_SWPMI_IsEnabledDMAReq_TX (SWPMI_TypeDef *SWPMIx)
	Check if DMA mode for transmission is enabled CR TXDMA LL_SWPMI_IsEnabledDMAReq_TX. More...
__STATIC_INLINE uint32_t	LL_SWPMI_DMA_GetRegAddr (SWPMI_TypeDef *SWPMIx, uint32_t Direction)
	Get the data register address used for DMA transfer TDR TD LL_SWPMI_DMA_GetRegAddr RDR RD LL_SWPMI_DMA_GetRegAddr. More...

Detailed Description

Function Documentation

LL_SWPMI_DisableDMAReq_RX()

__STATIC_INLINE void LL_SWPMI_DisableDMAReq_RX

(

SWPMI_TypeDef *

SWPMIx

)

Disable DMA mode for reception CR RXDMA LL_SWPMI_DisableDMAReq_RX.

Parameters

SWPMIx

SWPMI Instance

Return values

None

Definition at line 970 of file stm32l4xx_ll_swpmi.h.

{
  CLEAR_BIT(SWPMIx->CR, SWPMI_CR_RXDMA);
}

LL_SWPMI_DisableDMAReq_TX()

__STATIC_INLINE void LL_SWPMI_DisableDMAReq_TX

(

SWPMI_TypeDef *

SWPMIx

)

Disable DMA mode for transmission CR TXDMA LL_SWPMI_DisableDMAReq_TX.

Parameters

SWPMIx

SWPMI Instance

Return values

None

Definition at line 1003 of file stm32l4xx_ll_swpmi.h.

{
  CLEAR_BIT(SWPMIx->CR, SWPMI_CR_TXDMA);
}

LL_SWPMI_DMA_GetRegAddr()

__STATIC_INLINE uint32_t LL_SWPMI_DMA_GetRegAddr	(	SWPMI_TypeDef *	SWPMIx,
		uint32_t	Direction
	)

Get the data register address used for DMA transfer TDR TD LL_SWPMI_DMA_GetRegAddr
RDR RD LL_SWPMI_DMA_GetRegAddr.

Parameters

SWPMIx	SWPMI Instance
Direction	This parameter can be one of the following values: LL_SWPMI_DMA_REG_DATA_TRANSMIT LL_SWPMI_DMA_REG_DATA_RECEIVE

Return values

Address

of data register

Definition at line 1029 of file stm32l4xx_ll_swpmi.h.

{
  uint32_t data_reg_addr;

  if (Direction == LL_SWPMI_DMA_REG_DATA_TRANSMIT)
  {
    /* return address of TDR register */
    data_reg_addr = (uint32_t)&(SWPMIx->TDR);
  }
  else
  {
    /* return address of RDR register */
    data_reg_addr = (uint32_t)&(SWPMIx->RDR);
  }

  return data_reg_addr;
}

LL_SWPMI_EnableDMAReq_RX()

__STATIC_INLINE void LL_SWPMI_EnableDMAReq_RX

(

SWPMI_TypeDef *

SWPMIx

)

Enable DMA mode for reception CR RXDMA LL_SWPMI_EnableDMAReq_RX.

Parameters

SWPMIx

SWPMI Instance

Return values

None

Definition at line 959 of file stm32l4xx_ll_swpmi.h.

{
  SET_BIT(SWPMIx->CR, SWPMI_CR_RXDMA);
}

LL_SWPMI_EnableDMAReq_TX()

__STATIC_INLINE void LL_SWPMI_EnableDMAReq_TX

(

SWPMI_TypeDef *

SWPMIx

)

Enable DMA mode for transmission CR TXDMA LL_SWPMI_EnableDMAReq_TX.

Parameters

SWPMIx

SWPMI Instance

Return values

None

Definition at line 992 of file stm32l4xx_ll_swpmi.h.

{
  SET_BIT(SWPMIx->CR, SWPMI_CR_TXDMA);
}

LL_SWPMI_IsEnabledDMAReq_RX()

__STATIC_INLINE uint32_t LL_SWPMI_IsEnabledDMAReq_RX

(

SWPMI_TypeDef *

SWPMIx

)

Check if DMA mode for reception is enabled CR RXDMA LL_SWPMI_IsEnabledDMAReq_RX.

Parameters

SWPMIx

SWPMI Instance

Return values

State

of bit (1 or 0).

Definition at line 981 of file stm32l4xx_ll_swpmi.h.

{
  return ((READ_BIT(SWPMIx->CR, SWPMI_CR_RXDMA) == (SWPMI_CR_RXDMA)) ? 1UL : 0UL);
}

LL_SWPMI_IsEnabledDMAReq_TX()

__STATIC_INLINE uint32_t LL_SWPMI_IsEnabledDMAReq_TX

(

SWPMI_TypeDef *

SWPMIx

)

Check if DMA mode for transmission is enabled CR TXDMA LL_SWPMI_IsEnabledDMAReq_TX.

Parameters

SWPMIx

SWPMI Instance

Return values

State

of bit (1 or 0).

Definition at line 1014 of file stm32l4xx_ll_swpmi.h.

{
  return ((READ_BIT(SWPMIx->CR, SWPMI_CR_TXDMA) == (SWPMI_CR_TXDMA)) ? 1UL : 0UL);
}