button.h

00001 /*
00002  * VFD Modular Clock - mbed
00003  * (C) 2011-14 Akafugu Corporation
00004  *
00005  * This program is free software; you can redistribute it and/or modify it under the
00006  * terms of the GNU General Public License as published by the Free Software
00007  * Foundation; either version 2 of the License, or (at your option) any later
00008  * version.
00009  *
00010  * This program is distributed in the hope that it will be useful, but WITHOUT ANY
00011  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
00012  * PARTICULAR PURPOSE.  See the GNU General Public License for more details.
00013  *
00014  */
00015 
00016 #ifndef BUTTON_H_
00017 #define BUTTON_H_
00018 
00019 #include <stdbool.h>
00020 
00021 struct BUTTON_STATE
00022 {
00023     bool b1_keydown : 1;
00024     bool b1_keyup : 1;
00025     bool b1_repeat : 1;
00026     bool b2_keydown : 1;
00027     bool b2_keyup : 1;
00028     bool b2_repeat : 1;
00029     bool b3_keydown : 1;
00030     bool b3_keyup : 1;
00031     bool b3_repeat : 1;
00032     bool both_held : 1;
00033     bool none_held : 1;
00034 };
00035 
00036 void initialize_buttons();
00037 void get_button_state(struct BUTTON_STATE* buttons);
00038 void button_tick(void);
00039 
00040 uint8_t get_keystatus();
00041 
00042 #endif