100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
/*
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Copyright 2017 Priyadi Iman Nurcahyo
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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 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef AUDIO_ENABLE
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#error "AUDIO_ENABLE and FAUXCLICKY_ENABLE cannot be both enabled"
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#endif
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#include "musical_notes.h"
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#include "stdbool.h"
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__attribute__ ((weak))
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float fauxclicky_pressed_note[2];
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__attribute__ ((weak))
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float fauxclicky_released_note[2];
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__attribute__ ((weak))
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float fauxclicky_beep_note[2];
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bool fauxclicky_enabled;
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//
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// tempo in BPM
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//
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#ifndef FAUXCLICKY_TEMPO
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#define FAUXCLICKY_TEMPO TEMPO_DEFAULT
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#endif
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// beep on press
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#define FAUXCLICKY_ACTION_PRESS fauxclicky_play(fauxclicky_pressed_note)
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// beep on release
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#define FAUXCLICKY_ACTION_RELEASE fauxclicky_play(fauxclicky_released_note)
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// general purpose beep
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#define FAUXCLICKY_BEEP fauxclicky_play(fauxclicky_beep_note)
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// enable
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#define FAUXCLICKY_ON fauxclicky_enabled = true
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// disable
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#define FAUXCLICKY_OFF do { \
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fauxclicky_enabled = false; \
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fauxclicky_stop(); \
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} while (0)
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// toggle
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#define FAUXCLICKY_TOGGLE do { \
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if (fauxclicky_enabled) { \
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FAUXCLICKY_OFF; \
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} else { \
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FAUXCLICKY_ON; \
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} \
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} while (0)
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//
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// pin configuration
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//
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#ifndef FAUXCLICKY_CPU_PRESCALER
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#define FAUXCLICKY_CPU_PRESCALER 8
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#endif
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#ifndef FAUXCLICKY_ENABLE_OUTPUT
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#define FAUXCLICKY_ENABLE_OUTPUT TCCR3A |= _BV(COM3A1);
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#endif
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#ifndef FAUXCLICKY_DISABLE_OUTPUT
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#define FAUXCLICKY_DISABLE_OUTPUT TCCR3A &= ~(_BV(COM3A1) | _BV(COM3A0));
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#endif
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#ifndef FAUXCLICKY_TIMER_PERIOD
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#define FAUXCLICKY_TIMER_PERIOD ICR3
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#endif
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#ifndef FAUXCLICKY_DUTY_CYCLE
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#define FAUXCLICKY_DUTY_CYCLE OCR3A
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#endif
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//
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// definitions
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//
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void fauxclicky_init(void);
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void fauxclicky_stop(void);
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void fauxclicky_play(float note[2]);
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void fauxclicky_check(void);
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