Public function

Functions
void	barcode2_cfg_setup (barcode2_cfg_t *cfg)
	Config Object Initialization function.
BARCODE2_RETVAL	barcode2_init (barcode2_t *ctx, barcode2_cfg_t *cfg)
	Initialization function.
void	barcode2_generic_write (barcode2_t *ctx, char *data_buf, uint16_t len)
	Generic write function.
int32_t	barcode2_generic_read (barcode2_t *ctx, char *data_buf, uint16_t max_len)
	Generic read function.
void	barcode2_enable_scaning (barcode2_t *ctx, uint8_t en_state)
	Enable scaning function.
void	barcode2_enable_reset (barcode2_t *ctx, uint8_t en_state)
	Enable reset function.

Detailed Description

Function Documentation

barcode2_cfg_setup()

void barcode2_cfg_setup

(

barcode2_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.

barcode2_enable_reset()

void barcode2_enable_reset	(	barcode2_t *	ctx,
		uint8_t	en_state )

Enable reset function.

Parameters

ctx	Click object.
en_state	- 0x00 ( LOW ) : Enable. - 0x01 ( HIGH ) : Disable.

@description The function enables or disables barcode scaner reset depending on state parametar value.

barcode2_enable_scaning()

void barcode2_enable_scaning	(	barcode2_t *	ctx,
		uint8_t	en_state )

Enable scaning function.

Parameters

ctx	Click object.
en_state	- 0x00 ( LOW ) : Enable. - 0x01 ( HIGH ) : Disable.

@description The function enables or disables barcode scaning depending on state parametar value.

barcode2_generic_read()

int32_t barcode2_generic_read	(	barcode2_t *	ctx,
		char *	data_buf,
		uint16_t	max_len )

Generic read function.

Parameters

ctx	Click object.
data_buf	Data buffer for read data.
max_len	The maximum length of data that can be read.

Returns

Number of reads data.

@description This function read maximum length of data.

barcode2_generic_write()

void barcode2_generic_write	(	barcode2_t *	ctx,
		char *	data_buf,
		uint16_t	len )

Generic write function.

Parameters

ctx	Click object.
data_buf	Data buffer for sends.
len	Number of bytes for sends.

@description This function write desired number of bytes.

barcode2_init()

BARCODE2_RETVAL barcode2_init	(	barcode2_t *	ctx,
		barcode2_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.