Public function

Functions
void	touchkey_cfg_setup (touchkey_cfg_t *cfg)
	Config Object Initialization function.
TOUCHKEY_RETVAL	touchkey_init (touchkey_t *ctx, touchkey_cfg_t *cfg)
	Initialization function.
uint8_t	touchkey_a (touchkey_t *ctx)
	Taster A pressed function.
uint8_t	touchkey_b (touchkey_t *ctx)
	Taster B pressed function.
uint8_t	touchkey_c (touchkey_t *ctx)
	Taster C pressed function.
uint8_t	touchkey_d (touchkey_t *ctx)
	Taster D pressed function.

Detailed Description

Function Documentation

touchkey_a()

uint8_t touchkey_a

(

touchkey_t *

ctx

)

Taster A pressed function.

Parameters

ctx	Click object.

Returns

1 : Key A pressed. 0 : Key A not pressed.

Function gets state of "a" (RST) pin on TouchKey Click board.

touchkey_b()

uint8_t touchkey_b

(

touchkey_t *

ctx

)

Taster B pressed function.

Parameters

ctx	Click object.

Returns

1 : Key B pressed. 0 : Key B not pressed.

@description Function gets state of "b" (AN) pin on TouchKey Click board.

touchkey_c()

uint8_t touchkey_c

(

touchkey_t *

ctx

)

Taster C pressed function.

Parameters

ctx	Click object.

Returns

1 : Key C pressed. 0 : Key C not pressed.

@description Function gets state of "c" (PWM) pin on TouchKey Click board.

touchkey_cfg_setup()

void touchkey_cfg_setup

(

touchkey_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.

touchkey_d()

uint8_t touchkey_d

(

touchkey_t *

ctx

)

Taster D pressed function.

Parameters

ctx	Click object.

Returns

1 : Key D pressed. 0 : Key D not pressed.

@description Function gets state of "d" (INT) pin on TouchKey Click board.

touchkey_init()

TOUCHKEY_RETVAL touchkey_init	(	touchkey_t *	ctx,
		touchkey_cfg_t *	cfg )

Initialization function.

Parameters

touchkey	Click object.
cfg	Click configuration structure.

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