FLAG_Management

Functions
__STATIC_INLINE uint32_t	ll_spi_get_status (ssi_regs_t *SPIx)
	Get SPI status. More...
__STATIC_INLINE uint32_t	ll_spi_is_active_flag (ssi_regs_t *SPIx, uint32_t flag)
	Check active flag. More...
__STATIC_INLINE uint32_t	ll_spi_get_it_flag (ssi_regs_t *SPIx)
	Get SPI interrupt flags. More...
__STATIC_INLINE uint32_t	ll_spi_is_it_flag (ssi_regs_t *SPIx, uint32_t flag)
	Check interrupt flag. More...
__STATIC_INLINE uint32_t	ll_spi_get_raw_if_flag (ssi_regs_t *SPIx)
	Get SPI raw interrupt flags. More...
__STATIC_INLINE void	ll_spi_clear_flag_txo (ssi_regs_t *SPIx)
	Clear transmit FIFO overflow error flag. More...
__STATIC_INLINE void	ll_spi_clear_flag_rxo (ssi_regs_t *SPIx)
	Clear receive FIFO overflow error flag. More...
__STATIC_INLINE void	ll_spi_clear_flag_rxu (ssi_regs_t *SPIx)
	Clear receive FIFO underflow error flag. More...
__STATIC_INLINE void	ll_spi_clear_flag_mst (ssi_regs_t *SPIx)
	Clear multi-master error flag. More...
__STATIC_INLINE void	ll_spi_clear_flag_all (ssi_regs_t *SPIx)
	Clear all error flag. More...

Detailed Description

Function Documentation

ll_spi_clear_flag_all()

__STATIC_INLINE void ll_spi_clear_flag_all

(

ssi_regs_t *

SPIx

)

Clear all error flag.

Note

Clearing this flag is done by reading INTCLR register

Register	BitsName
INTCLR	INTCLR

Parameters

SPIx	SPI instance

Return values

None

ll_spi_clear_flag_mst()

__STATIC_INLINE void ll_spi_clear_flag_mst

(

ssi_regs_t *

SPIx

)

Clear multi-master error flag.

Note

Clearing this flag is done by reading MSTIC register

Register	BitsName
MSTIC	MSTIC

Parameters

SPIx	SPI instance

Return values

None

ll_spi_clear_flag_rxo()

__STATIC_INLINE void ll_spi_clear_flag_rxo

(

ssi_regs_t *

SPIx

)

Clear receive FIFO overflow error flag.

Note

Clearing this flag is done by reading RXOIC register

Register	BitsName
RXOIC	RXOIC

Parameters

SPIx	SPI instance

Return values

None

ll_spi_clear_flag_rxu()

__STATIC_INLINE void ll_spi_clear_flag_rxu

(

ssi_regs_t *

SPIx

)

Clear receive FIFO underflow error flag.

Note

Clearing this flag is done by reading RXUIC register

Register	BitsName
RXUIC	RXUIC

Parameters

SPIx	SPI instance

Return values

None

ll_spi_clear_flag_txo()

__STATIC_INLINE void ll_spi_clear_flag_txo

(

ssi_regs_t *

SPIx

)

Clear transmit FIFO overflow error flag.

Note

Clearing this flag is done by reading TXOIC register

Register	BitsName
TXOIC	TXOIC

Parameters

SPIx	SPI instance

Return values

None

ll_spi_get_it_flag()

__STATIC_INLINE uint32_t ll_spi_get_it_flag

(

ssi_regs_t *

SPIx

)

Get SPI interrupt flags.

Register	BitsName
INTSTAT	INTSTAT

Parameters

SPIx	SPI instance

Return values

Returned

value can be one or combination of the following values: LL_SSI_IS_MST(no effect in SPIS) LL_SSI_IS_RXF LL_SSI_IS_RXO LL_SSI_IS_RXU LL_SSI_IS_TXO LL_SSI_IS_TXE

ll_spi_get_raw_if_flag()

__STATIC_INLINE uint32_t ll_spi_get_raw_if_flag

(

ssi_regs_t *

SPIx

)

Get SPI raw interrupt flags.

Register	BitsName
RAW_INTSTAT	RAW_INTSTAT

Parameters

SPIx	SPI instance

Return values

Returned

value can be one or combination of the following values: LL_SSI_RIS_MST(no effect in SPIS) LL_SSI_RIS_RXF LL_SSI_RIS_RXO LL_SSI_RIS_RXU LL_SSI_RIS_TXO LL_SSI_RIS_TXE

ll_spi_get_status()

__STATIC_INLINE uint32_t ll_spi_get_status

(

ssi_regs_t *

SPIx

)

Get SPI status.

Register	BitsName
STAT	STAT

Parameters

SPIx	SPI instance

Return values

Returned

value can be one or combination of the following values: LL_SSI_SR_DCOL(no effect in SPIS) LL_SSI_SR_TXE LL_SSI_SR_RFF LL_SSI_SR_RFNE LL_SSI_SR_TFE LL_SSI_SR_TFNF LL_SSI_SR_BUSY

ll_spi_is_active_flag()

__STATIC_INLINE uint32_t ll_spi_is_active_flag	(	ssi_regs_t *	SPIx,
		uint32_t	flag
	)

Check active flag.

Register	BitsName
STAT	DCOL
STAT	TXE
STAT	RFF
STAT	RFNE
STAT	TFE
STAT	TFNF
STAT	BUSY

Parameters

SPIx	SPI instance
flag	This parameter can be one of the following values: LL_SSI_SR_DCOL(no effect in SPIS) LL_SSI_SR_TXE LL_SSI_SR_RFF LL_SSI_SR_RFNE LL_SSI_SR_TFE LL_SSI_SR_TFNF LL_SSI_SR_BUSY

Return values

State

of bit (1 or 0).

ll_spi_is_it_flag()

__STATIC_INLINE uint32_t ll_spi_is_it_flag	(	ssi_regs_t *	SPIx,
		uint32_t	flag
	)

Check interrupt flag.

Register	BitsName
INTSTAT	MSTIS
INTSTAT	RXFIS
INTSTAT	RXOIS
INTSTAT	RXUIS
INTSTAT	TXOIS
INTSTAT	TXEIS

Parameters

SPIx	SPI instance
flag	This parameter can be one of the following values: LL_SSI_IS_MST(no effect in SPIS) LL_SSI_IS_RXF LL_SSI_IS_RXO LL_SSI_IS_RXU LL_SSI_IS_TXO LL_SSI_IS_TXE

Return values

State

of bit (1 or 0).