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#ifndef _KEYPAD_H
#define _KEYPAD_H
enum buttons {
BTN_0 = 0x00002000,
BTN_1 = 0x00008000,
BTN_2 = 0x00000400,
BTN_3 = 0x00000020,
BTN_4 = 0x00010000,
BTN_5 = 0x00000800,
BTN_6 = 0x00000040,
BTN_7 = 0x00020000,
BTN_8 = 0x00001000,
BTN_9 = 0x00000080,
BTN_STAR = 0x00040000,
BTN_HASH = 0x00000100,
BTN_MENU = 0x00004000,
BTN_LEFT_SB = 0x00080000,
BTN_RIGHT_SB = 0x00000200,
BTN_UP = 0x00000002,
BTN_DOWN = 0x00000004,
BTN_LEFT = 0x00000008,
BTN_RIGHT = 0x00000010,
BTN_OK = 0x00000001,
BTN_POWER = 0x01000000,
};
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_INV = 0xFF
};
enum key_states {
PRESSED,
RELEASED,
};
void keypad_init(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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