Public function

Functions
void	c2x2key_cfg_setup (c2x2key_cfg_t *cfg)
	Config Object Initialization function.
C2X2KEY_RETVAL	c2x2key_init (c2x2key_t *ctx, c2x2key_cfg_t *cfg)
	Initialization function.
void	c2x2key_default_cfg (c2x2key_t *ctx)
	Click Default Configuration function.
uint8_t	c2x2key_t1_state (c2x2key_t *ctx)
	Taster 1 state function.
uint8_t	c2x2key_t2_state (c2x2key_t *ctx)
	Taster 2 state function.
uint8_t	c2x2key_t3_state (c2x2key_t *ctx)
	Taster 3 state function.
uint8_t	c2x2key_t4_state (c2x2key_t *ctx)
	Taster 4 state function.
uint8_t	c2x2key_taster_pressed (c2x2key_t *ctx)
	Taster Pressed function.

Detailed Description

Function Documentation

c2x2key_cfg_setup()

void c2x2key_cfg_setup

(

c2x2key_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.

c2x2key_default_cfg()

void c2x2key_default_cfg

(

c2x2key_t *

ctx

)

Click Default Configuration function.

Parameters

ctx	Click object.

@description This function executes default configuration for 2x2 key click.

c2x2key_init()

C2X2KEY_RETVAL c2x2key_init	(	c2x2key_t *	ctx,
		c2x2key_cfg_t *	cfg )

Initialization function.

Parameters

c2x2key	Click object.
cfg	Click configuration structure.

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

c2x2key_t1_state()

uint8_t c2x2key_t1_state

(

c2x2key_t *

ctx

)

Taster 1 state function.

Parameters

ctx	Click object.

Returns

• 1 : Key 1 pressed
• 0 : Key 1 is not pressed

@description This function gets state of T1O pin on 2X2_Key Click board.

c2x2key_t2_state()

uint8_t c2x2key_t2_state

(

c2x2key_t *

ctx

)

Taster 2 state function.

Parameters

ctx	Click object.

Returns

• 1 : Key 2 pressed
• 0 : Key 2 is not pressed

@description This function gets state of T2O pin on 2X2_Key Click board.

c2x2key_t3_state()

uint8_t c2x2key_t3_state

(

c2x2key_t *

ctx

)

Taster 3 state function.

Parameters

ctx	Click object.

Returns

• 1 : Key 3 pressed
• 0 : Key 3 is not pressed

@description This function gets state of T3O pin on 2X2_Key Click board.

c2x2key_t4_state()

uint8_t c2x2key_t4_state

(

c2x2key_t *

ctx

)

Taster 4 state function.

Parameters

ctx	Click object.

Returns

• 1 : Key 4 pressed
• 0 : Key 4 is not pressed

@description This function gets state of T4O pin on 2X2_Key Click board.

c2x2key_taster_pressed()

uint8_t c2x2key_taster_pressed

(

c2x2key_t *

ctx

)

Taster Pressed function.

Parameters

ctx	Click object.

Returns

• 1 : Any key pressed
• 0 : Any key is not pressed

@description This function gets state of TINT pin on 2X2_Key Click board.