Priyadi Iman Nurcahyo
8 years ago
parent
a0c2305bd1
commit
c68e596f32
@ -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);
|
||||
|
||||
Loading…
Reference in new issue