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#ifndef _KEYPAD_H
#define _KEYPAD_H
enum key_codes {
KEY_0 = 0,
KEY_1,
KEY_2,
KEY_3,
KEY_4,
KEY_5,
KEY_6,
KEY_7,
KEY_8,
KEY_9,
KEY_STAR, //*
KEY_HASH, //#
KEY_MENU, //center of directional keys
KEY_LEFT_SB, //softbutton
KEY_RIGHT_SB, //softbutton
KEY_UP,
KEY_DOWN,
KEY_LEFT,
KEY_RIGHT,
KEY_OK, //green off-hook
KEY_POWER, //red on-hook
KEY_MINUS,
KEY_PLUS,
KEY_INV = 0xFF
};
#define BUTTON_CNT 23
enum key_states {
PRESSED,
RELEASED,
};
void keypad_init(const uint8_t *keymap, uint8_t interrupts);
void keypad_poll();
typedef void (*key_handler_t)(enum key_codes code, enum key_states state);
void keypad_set_handler(key_handler_t handler);
#endif /* KEYPAD_H */
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