Public function

Functions
void	llcspi_cfg_setup (llcspi_cfg_t *cfg)
	Config Object Initialization function.
LLCSPI_RETVAL	llcspi_init (llcspi_t *ctx, llcspi_cfg_t *cfg)
	Initialization function.
void	llcspi_generic_transfer (llcspi_t *ctx, uint8_t *wr_buf, uint16_t wr_len, uint8_t *rd_buf, uint16_t rd_len)
	Generic transfer function.
void	llcspi_set_cs_pin (llcspi_t *ctx, uint8_t state)
	Function for set CS pin state.
void	llcspi_generic_write (llcspi_t *ctx, uint8_t *p_buf, uint16_t n_bytes)
	LLC SPI write.
void	llcspi_generic_read (llcspi_t *ctx, uint8_t *p_buf, uint16_t n_bytes)
	LLC SPI read.

Detailed Description

Function Documentation

llcspi_cfg_setup()

void llcspi_cfg_setup

(

llcspi_cfg_t *

cfg

)

Config Object Initialization function.

Parameters

cfg	Click configuration structure.

@description This function initializes click configuration structure to init state.

Note

All used pins will be set to unconnected state.

llcspi_generic_read()

void llcspi_generic_read	(	llcspi_t *	ctx,
		uint8_t *	p_buf,
		uint16_t	n_bytes )

LLC SPI read.

Parameters

ctx	Click object.
p_buf	pointer to data buffer
n_bytes	number of bytes for writing

@description Function executes read sequence of n bytes.

Note

This function should not use CS pin.

llcspi_generic_transfer()

void llcspi_generic_transfer	(	llcspi_t *	ctx,
		uint8_t *	wr_buf,
		uint16_t	wr_len,
		uint8_t *	rd_buf,
		uint16_t	rd_len )

Generic transfer function.

Parameters

ctx	Click object.
wr_buf	Write data buffer
wr_len	Number of byte in write data buffer
rd_buf	Read data buffer
rd_len	Number of byte in read data buffer

@description Generic SPI transfer, for sending and receiving packages

llcspi_generic_write()

void llcspi_generic_write	(	llcspi_t *	ctx,
		uint8_t *	p_buf,
		uint16_t	n_bytes )

LLC SPI write.

Parameters

ctx	Click object.
p_buf	pointer to data buffer
n_bytes	number of bytes for writing

@description Function executes write sequence of n bytes.

Note

This function have not using CS pin.

llcspi_init()

LLCSPI_RETVAL llcspi_init	(	llcspi_t *	ctx,
		llcspi_cfg_t *	cfg )

Initialization function.

Parameters

llcspi	Click object.
cfg	Click configuration structure.

@description This function initializes all necessary pins and peripherals used for this click.

llcspi_set_cs_pin()

void llcspi_set_cs_pin	(	llcspi_t *	ctx,
		uint8_t	state )

Function for set CS pin state.

Parameters

ctx	Click object.
state	CS pin state