Public function

Functions
void	digipot4_cfg_setup (digipot4_cfg_t *cfg)
	Config Object Initialization function.
DIGIPOT4_RETVAL	digipot4_init (digipot4_t *ctx, digipot4_cfg_t *cfg)
	Initialization function.
void	digipot4_generic_transfer (digipot4_t *ctx, uint8_t *wr_buf, uint16_t wr_len, uint8_t *rd_buf, uint16_t rd_len)
	Generic transfer function.
void	digipot4_write_reg (digipot4_t *ctx, uint8_t reg, uint16_t value)
	Writes data in register.
void	digipot4_copy_reg (digipot4_t *ctx, uint8_t reg)
	Copy data.

Detailed Description

Function Documentation

digipot4_cfg_setup()

void digipot4_cfg_setup

(

digipot4_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.

digipot4_copy_reg()

void digipot4_copy_reg	(	digipot4_t *	ctx,
		uint8_t	reg )

Copy data.

Parameters

ctx	Click object.
reg	Register

@description This function is used to copy the data from the wipers to the NV memory and from the NV memory it wipers.

digipot4_generic_transfer()

void digipot4_generic_transfer	(	digipot4_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

digipot4_init()

DIGIPOT4_RETVAL digipot4_init	(	digipot4_t *	ctx,
		digipot4_cfg_t *	cfg )

Initialization function.

Parameters

ctx	Click object.
cfg	Click configuration structure.

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

digipot4_write_reg()

void digipot4_write_reg	(	digipot4_t *	ctx,
		uint8_t	reg,
		uint16_t	value )

Writes data in register.

Parameters

ctx	Click object.
reg	Register
value	Value

@description This function writes data in wiper register and NV register.