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35 lines
989 B
C
35 lines
989 B
C
4 years ago
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/**
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* buttons.h - Provides ability to read button state.
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* Copyright (C) 2020 Clyne Sullivan
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* See the GNU General Public License for more details.
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*/
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#ifndef BUTTONS_H_
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#define BUTTONS_H_
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4 years ago
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#define BUTTON_JOYUL (1 << 7)
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#define BUTTON_JOYUR (1 << 6)
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#define BUTTON_JOYDR (1 << 5)
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#define BUTTON_JOYDL (1 << 4)
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#define BUTTON_JOY (1 << 3)
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#define BUTTON_1 (1 << 2)
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#define BUTTON_2 (1 << 1)
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#define BUTTON_3 (1 << 0)
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4 years ago
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#define BUTTON_JOYUP (BUTTON_JOYUL | BUTTON_JOYUR)
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#define BUTTON_JOYDOWN (BUTTON_JOYDL | BUTTON_JOYDR)
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#define BUTTON_JOYLEFT (BUTTON_JOYUL | BUTTON_JOYDL)
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#define BUTTON_JOYRIGHT (BUTTON_JOYUR | BUTTON_JOYDR)
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4 years ago
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extern unsigned char button_state;
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void buttons_init();
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#endif // BUTTONS_H_
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