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button.h
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button.h
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/*
* simpleclock - clock backpack for TWIDisplay
* (C) 2012 Akafugu Corporation
*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
*/
#ifndef BUTTON_H_
#define BUTTON_H_
#include <stdbool.h>
#define BUTTON_PORT PORTD
#define BUTTON_DDR DDRD
#define BUTTON_PIN PIND
#define BUTTON1_BIT PORTD3
#define BUTTON2_BIT PORTD4
#define SWITCH_PORT PORTD
#define SWITCH_DDR DDRD
#define SWITCH_PIN PIND
#define SWITCH_BIT PORTD5
struct BUTTON_STATE
{
bool b1_keydown : 1;
bool b1_keyup : 1;
bool b1_repeat : 1;
bool b2_keydown : 1;
bool b2_keyup : 1;
bool b2_repeat : 1;
bool both_held : 1;
bool none_held : 1;
};
struct BUTTON_STATE_OLD
{
bool pressed, released, held;
};
/** returns true if the alarm switch is on (right side) or false if off (left side) */
bool get_alarm_switch(void);
void get_button_state_old(struct BUTTON_STATE_OLD* button1, struct BUTTON_STATE_OLD* button2);
void get_button_state(struct BUTTON_STATE* buttons);
void button_timer(void);
#endif