General Description

Enumerations
enum	cy_en_ks_status_t { CY_KEYSCAN_SUCCESS = 0x00u, CY_KEYSCAN_BAD_PARAM = CY_KEYSCAN_ID \| CY_PDL_STATUS_ERROR \| 0x01u, CY_KEYSCAN_BUSY = CY_KEYSCAN_ID \| CY_PDL_STATUS_ERROR \| 0x02u, CY_KEYSCAN_QUEUE_OVERFLOW = CY_KEYSCAN_ID \| CY_PDL_STATUS_ERROR \| 0x03u, CY_KEYSCAN_QUEUE_EMPTY = CY_KEYSCAN_ID \| CY_PDL_STATUS_ERROR \| 0x04u, CY_KEYSCAN_EVENT_NONE = CY_KEYSCAN_ID \| CY_PDL_STATUS_ERROR \| 0x05u }
	KEYSCAN API status definition. More...

enum	cy_en_ks_keycode_t { KEYSCAN_KEYCODE_GHOST = 0xf5, KEYSCAN_KEYCODE_NONE = 0xfd, KEYSCAN_KEYCODE_END_OF_SCAN_CYCLE = 0xfe, KEYSCAN_KEYCODE_ROLLOVER = 0xff }
	Keycode enumerations. More...

Enumeration Type Documentation

KEYSCAN API status definition.

Enumerator
CY_KEYSCAN_SUCCESS	Returned successful.
CY_KEYSCAN_BAD_PARAM	Bad parameter was passed.
CY_KEYSCAN_BUSY	Change settings while tx/rx on-going.
CY_KEYSCAN_QUEUE_OVERFLOW	QUEUE Over flow condition.
CY_KEYSCAN_QUEUE_EMPTY	QUEUE Empty condition.
CY_KEYSCAN_EVENT_NONE	Event None.

Keycode enumerations.

Enumerator
KEYSCAN_KEYCODE_GHOST	Ghost key keycode.
KEYSCAN_KEYCODE_NONE	Keycode value if no key is pressed.
KEYSCAN_KEYCODE_END_OF_SCAN_CYCLE	Event returned to indicate the end of a scan cycle.
KEYSCAN_KEYCODE_ROLLOVER	Rollover event generated by the keyscan driver in case of an error (ghost or overflow) For every key event its state has to be stored and if there is an error, then rollover event is triggered and driver restores the previous state.