1 files changed, 66 insertions, 0 deletions
diff --git a/src/target/firmware/include/keypad.h b/src/target/firmware/include/keypad.h
new file mode 100644
index 00000000..dd89734c
--- /dev/null
+++ b/src/target/firmware/include/keypad.h
@@ -0,0 +1,66 @@
+#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();
+
+void keypad_scan();
+
+typedef void (*key_handler_t)(enum key_codes code, enum key_states state);
+
+void keypad_set_handler(key_handler_t handler);
+
+#endif /* KEYPAD_H */