Public function

Functions
void	rs232_cfg_setup (rs232_cfg_t *cfg)
	Config Object Initialization function.
RS232_RETVAL	rs232_init (rs232_t *ctx, rs232_cfg_t *cfg)
	Initialization function.
void	rs232_generic_write (rs232_t *ctx, char *data_buf, uint16_t len)
	Generic write function.
int32_t	rs232_generic_read (rs232_t *ctx, char *data_buf, uint16_t max_len)
	Generic read function.
uint8_t	rs232_get_cts_state (rs232_t *ctx)
	Get CTS pin state (Clear to send)
void	rs232_set_rts_state (rs232_t *ctx, uint8_t state)
	Set RTS pin state.

Detailed Description

Function Documentation

rs232_cfg_setup()

void rs232_cfg_setup

(

rs232_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.

rs232_generic_read()

int32_t rs232_generic_read	(	rs232_t *	ctx,
		char *	data_buf,
		uint16_t	max_len )

Generic read function.

Parameters

rs232	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.

rs232_generic_write()

void rs232_generic_write	(	rs232_t *	ctx,
		char *	data_buf,
		uint16_t	len )

Generic write function.

Parameters

rs232	Click object.
data_buf	Data buffer for sends.
len	Number of bytes for sends.

rs232_get_cts_state()

uint8_t rs232_get_cts_state

(

rs232_t *

ctx

)

Get CTS pin state (Clear to send)

Parameters

ctx	Click object.

Returns

CTS pin state

rs232_init()

RS232_RETVAL rs232_init	(	rs232_t *	ctx,
		rs232_cfg_t *	cfg )

Initialization function.

Parameters

rs232	Click object.
cfg	Click configuration structure.

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

rs232_set_rts_state()

void rs232_set_rts_state	(	rs232_t *	ctx,
		uint8_t	state )

Set RTS pin state.

Parameters

ctx	Click object.
state	RTS (Request to send) pin state