@ -0,0 +1,68 @@ | |||||
/* | |||||
Copyright 2017 Priyadi Iman Nurcahyo | |||||
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. | |||||
You should have received a copy of the GNU General Public License | |||||
along with this program. If not, see <http://www.gnu.org/licenses/>. | |||||
*/ | |||||
#include <avr/interrupt.h> | |||||
#include <avr/io.h> | |||||
#include <timer.h> | |||||
#include <fauxclicky.h> | |||||
#include <stdbool.h> | |||||
#include <musical_notes.h> | |||||
__attribute__ ((weak)) | |||||
float fauxclicky_pressed_note[2] = MUSICAL_NOTE(_F3, 2); | |||||
__attribute__ ((weak)) | |||||
float fauxclicky_released_note[2] = MUSICAL_NOTE(_A3, 2); | |||||
__attribute__ ((weak)) | |||||
float fauxclicky_beep_note[2] = MUSICAL_NOTE(_C3, 2); | |||||
bool fauxclicky_enabled = true; | |||||
uint16_t note_start = 0; | |||||
bool note_playing = false; | |||||
uint16_t note_period = 0; | |||||
void fauxclicky_init() | |||||
{ | |||||
// Set port PC6 (OC3A and /OC4A) as output | |||||
DDRC |= _BV(PORTC6); | |||||
// TCCR3A / TCCR3B: Timer/Counter #3 Control Registers | |||||
TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30); | |||||
TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30); | |||||
} | |||||
void fauxclicky_stop() | |||||
{ | |||||
FAUXCLICKY_DISABLE_OUTPUT; | |||||
note_playing = false; | |||||
} | |||||
void fauxclicky_play(float note[2]) { | |||||
if (!fauxclicky_enabled) return; | |||||
if (note_playing) fauxclicky_stop(); | |||||
FAUXCLICKY_TIMER_PERIOD = (uint16_t)(((float)F_CPU) / (note[0] * FAUXCLICKY_CPU_PRESCALER)); | |||||
FAUXCLICKY_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (note[0] * FAUXCLICKY_CPU_PRESCALER)) / 2); | |||||
note_playing = true; | |||||
note_period = (note[1] / 16) * (60 / (float)FAUXCLICKY_TEMPO) * 100; // check this | |||||
note_start = timer_read(); | |||||
FAUXCLICKY_ENABLE_OUTPUT; | |||||
} | |||||
void fauxclicky_check() { | |||||
if (!note_playing) return; | |||||
if (timer_elapsed(note_start) > note_period) { | |||||
fauxclicky_stop(); | |||||
} | |||||
} |
@ -0,0 +1,87 @@ | |||||
/* | |||||
Copyright 2017 Priyadi Iman Nurcahyo | |||||
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. | |||||
You should have received a copy of the GNU General Public License | |||||
along with this program. If not, see <http://www.gnu.org/licenses/>. | |||||
*/ | |||||
#ifdef AUDIO_ENABLE | |||||
#error "AUDIO_ENABLE and FAUXCLICKY_ENABLE cannot be both enabled" | |||||
#endif | |||||
#include "musical_notes.h" | |||||
__attribute__ ((weak)) | |||||
float fauxclicky_pressed_note[2]; | |||||
__attribute__ ((weak)) | |||||
float fauxclicky_released_note[2]; | |||||
__attribute__ ((weak)) | |||||
float fauxclicky_beep_note[2]; | |||||
// | |||||
// tempo in BPM | |||||
// | |||||
#ifndef FAUXCLICKY_TEMPO | |||||
#define FAUXCLICKY_TEMPO TEMPO_DEFAULT | |||||
#endif | |||||
// beep on press | |||||
#define FAUXCLICKY_ACTION_PRESS fauxclicky_play(fauxclicky_pressed_note) | |||||
// beep on release | |||||
#define FAUXCLICKY_ACTION_RELEASE fauxclicky_play(fauxclicky_released_note) | |||||
// general purpose beep | |||||
#define FAUXCLICKY_BEEP fauxclicky_play(fauxclicky_beep_note) | |||||
// enable | |||||
#define FAUXCLICKY_ON fauxclicky_enabled = true | |||||
// disable | |||||
#define FAUXCLICKY_OFF do { \ | |||||
fauxclicky_enabled = false; \ | |||||
fauxclicky_stop(); \ | |||||
} while (0) | |||||
// | |||||
// pin configuration | |||||
// | |||||
#ifndef FAUXCLICKY_CPU_PRESCALER | |||||
#define FAUXCLICKY_CPU_PRESCALER 8 | |||||
#endif | |||||
#ifndef FAUXCLICKY_ENABLE_OUTPUT | |||||
#define FAUXCLICKY_ENABLE_OUTPUT TCCR3A |= _BV(COM3A1); | |||||
#endif | |||||
#ifndef FAUXCLICKY_DISABLE_OUTPUT | |||||
#define FAUXCLICKY_DISABLE_OUTPUT TCCR3A &= ~(_BV(COM3A1) | _BV(COM3A0)); | |||||
#endif | |||||
#ifndef FAUXCLICKY_TIMER_PERIOD | |||||
#define FAUXCLICKY_TIMER_PERIOD ICR3 | |||||
#endif | |||||
#ifndef FAUXCLICKY_DUTY_CYCLE | |||||
#define FAUXCLICKY_DUTY_CYCLE OCR3A | |||||
#endif | |||||
// | |||||
// definitions | |||||
// | |||||
void fauxclicky_init(void); | |||||
void fauxclicky_stop(void); | |||||
void fauxclicky_play(float note[2]); | |||||
void fauxclicky_check(void); | |||||