Move source code to firmware directory

firmware/keyboard.h

@@ -0,0 +1,14 @@
+#ifndef __KEYBOARD_H__
+#define __KEYBOARD_H__
+
+#define KEYBOARD_DIR DDRB
+#define KEYBOARD_PIN PINB
+#define KEYBOARD_PORT PORTB
+#define KEY_INC_HOUR (1<<PB0)
+#define KEY_INC_MINUTE (1<<PB1)
+#define KEY_INC_SECOND (1<<PB2)
+
+void keyboard_init(void);
+void keyboard_handle_input(void);
+
+#endif