Description

Keyscan driver.

Data Structures
struct	sl_keyscan_driver_process_keyscan_event_handle_t

Functions
sl_status_t	sl_keyscan_driver_init (void)
	Initializes the keyscan driver.

void	sl_keyscan_driver_subscribe_event ( sl_keyscan_driver_process_keyscan_event_handle_t *event_handle)
	Registers an event callback on Keyscan event.

void	sl_keyscan_driver_unsubscribe_event ( sl_keyscan_driver_process_keyscan_event_handle_t *event_handle)
	Unregisters an event callback on Keyscan event.

sl_status_t	sl_keyscan_driver_start_scan (void)
	Starts the keyscan scan.

sl_status_t	sl_keyscan_driver_stop_scan (void)
	Stops the keyscan scan.

Typedefs
typedef void(*	sl_keyscan_driver_process_keyscan_event ) (uint8_t *p_keyscan_matrix, sl_keyscan_driver_status_t status)

Enumerations
enum	sl_keyscan_driver_status_t { SL_KEYSCAN_STATUS_KEYPRESS_VALID = 0, SL_KEYSCAN_STATUS_KEYPRESS_INVALID , SL_KEYSCAN_STATUS_KEYPRESS_RELEASED }
	KEYSCAN status values.

Function Documentation

sl_status_t sl_keyscan_driver_init ( void )

Initializes the keyscan driver.

void sl_keyscan_driver_subscribe_event ( sl_keyscan_driver_process_keyscan_event_handle_t * event_handle )

Registers an event callback on Keyscan event.

void sl_keyscan_driver_unsubscribe_event ( sl_keyscan_driver_process_keyscan_event_handle_t * event_handle )

Unregisters an event callback on Keyscan event.

sl_status_t sl_keyscan_driver_start_scan ( void )

Starts the keyscan scan.

sl_status_t sl_keyscan_driver_stop_scan ( void )

Stops the keyscan scan.

KEYSCAN status values.