Public function

Functions
void	nfcextend_cfg_setup (nfcextend_cfg_t *cfg)
	Config Object Initialization function.
NFCEXTEND_RETVAL	nfcextend_init (nfcextend_t *ctx, nfcextend_cfg_t *cfg)
	Initialization function.
uint8_t	nfcextend_default_cfg (nfcextend_t *ctx)
	Click Default Configuration function.
uint8_t	nfcextend_password_present (nfcextend_t *ctx, uint8_t *pass_buf)
	Password present function.
uint8_t	nfcextend_i2c_set (nfcextend_t *ctx, nfcextend_block_t *block)
	I2C set function.
uint8_t	nfcextend_i2c_get (nfcextend_t *ctx, nfcextend_block_t *block)
	I2C get function.
uint8_t	nfcextend_digital_read_int (nfcextend_t *ctx)
	Digital read interrupt.

Detailed Description

Function Documentation

nfcextend_cfg_setup()

void nfcextend_cfg_setup

(

nfcextend_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.

nfcextend_default_cfg()

uint8_t nfcextend_default_cfg

(

nfcextend_t *

ctx

)

Click Default Configuration function.

Parameters

ctx	Click object.

@description This function executes default configuration for NfcExtend click.

nfcextend_digital_read_int()

uint8_t nfcextend_digital_read_int

(

nfcextend_t *

ctx

)

Digital read interrupt.

Parameters

ctx	Click object.
block	I2C block structure.

@description This function reads the digital signal from the INT pin.

nfcextend_i2c_get()

uint8_t nfcextend_i2c_get	(	nfcextend_t *	ctx,
		nfcextend_block_t *	block )

I2C get function.

Parameters

ctx	Click object.
block	I2C block structure.

@description This function reads data from the chip.

nfcextend_i2c_set()

uint8_t nfcextend_i2c_set	(	nfcextend_t *	ctx,
		nfcextend_block_t *	block )

I2C set function.

Parameters

ctx	Click object.
block	I2C block structure.

@description This function writes data to the chip.

nfcextend_init()

NFCEXTEND_RETVAL nfcextend_init	(	nfcextend_t *	ctx,
		nfcextend_cfg_t *	cfg )

Initialization function.

Parameters

nfcextend	Click object.
cfg	Click configuration structure.

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

nfcextend_password_present()

uint8_t nfcextend_password_present	(	nfcextend_t *	ctx,
		uint8_t *	pass_buf )

Password present function.

Parameters

ctx	Click object.
pass_buf	Password buffer pointer.

@description This function presents the specified password to the chip.