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-rw-r--r--quantum/audio/audio_avr.c812
1 files changed, 0 insertions, 812 deletions
diff --git a/quantum/audio/audio_avr.c b/quantum/audio/audio_avr.c
deleted file mode 100644
index 1bac43bb43..0000000000
--- a/quantum/audio/audio_avr.c
+++ /dev/null
@@ -1,812 +0,0 @@
-/* Copyright 2016 Jack Humbert
- *
- * 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 <stdio.h>
-#include <string.h>
-//#include <math.h>
-#if defined(__AVR__)
-# include <avr/pgmspace.h>
-# include <avr/interrupt.h>
-# include <avr/io.h>
-#endif
-#include "print.h"
-#include "audio.h"
-#include "keymap.h"
-#include "wait.h"
-
-#include "eeconfig.h"
-
-#define CPU_PRESCALER 8
-
-// -----------------------------------------------------------------------------
-// Timer Abstractions
-// -----------------------------------------------------------------------------
-
-// Currently we support timers 1 and 3 used at the sime time, channels A-C,
-// pins PB5, PB6, PB7, PC4, PC5, and PC6
-#if defined(C6_AUDIO)
-# define CPIN_AUDIO
-# define CPIN_SET_DIRECTION DDRC |= _BV(PORTC6);
-# define INIT_AUDIO_COUNTER_3 TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
-# define ENABLE_AUDIO_COUNTER_3_ISR TIMSK3 |= _BV(OCIE3A)
-# define DISABLE_AUDIO_COUNTER_3_ISR TIMSK3 &= ~_BV(OCIE3A)
-# define ENABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A |= _BV(COM3A1);
-# define DISABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A &= ~(_BV(COM3A1) | _BV(COM3A0));
-# define TIMER_3_PERIOD ICR3
-# define TIMER_3_DUTY_CYCLE OCR3A
-# define TIMER3_AUDIO_vect TIMER3_COMPA_vect
-#endif
-#if defined(C5_AUDIO)
-# define CPIN_AUDIO
-# define CPIN_SET_DIRECTION DDRC |= _BV(PORTC5);
-# define INIT_AUDIO_COUNTER_3 TCCR3A = (0 << COM3B1) | (0 << COM3B0) | (1 << WGM31) | (0 << WGM30);
-# define ENABLE_AUDIO_COUNTER_3_ISR TIMSK3 |= _BV(OCIE3B)
-# define DISABLE_AUDIO_COUNTER_3_ISR TIMSK3 &= ~_BV(OCIE3B)
-# define ENABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A |= _BV(COM3B1);
-# define DISABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A &= ~(_BV(COM3B1) | _BV(COM3B0));
-# define TIMER_3_PERIOD ICR3
-# define TIMER_3_DUTY_CYCLE OCR3B
-# define TIMER3_AUDIO_vect TIMER3_COMPB_vect
-#endif
-#if defined(C4_AUDIO)
-# define CPIN_AUDIO
-# define CPIN_SET_DIRECTION DDRC |= _BV(PORTC4);
-# define INIT_AUDIO_COUNTER_3 TCCR3A = (0 << COM3C1) | (0 << COM3C0) | (1 << WGM31) | (0 << WGM30);
-# define ENABLE_AUDIO_COUNTER_3_ISR TIMSK3 |= _BV(OCIE3C)
-# define DISABLE_AUDIO_COUNTER_3_ISR TIMSK3 &= ~_BV(OCIE3C)
-# define ENABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A |= _BV(COM3C1);
-# define DISABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A &= ~(_BV(COM3C1) | _BV(COM3C0));
-# define TIMER_3_PERIOD ICR3
-# define TIMER_3_DUTY_CYCLE OCR3C
-# define TIMER3_AUDIO_vect TIMER3_COMPC_vect
-#endif
-
-#if defined(B5_AUDIO)
-# define BPIN_AUDIO
-# define BPIN_SET_DIRECTION DDRB |= _BV(PORTB5);
-# define INIT_AUDIO_COUNTER_1 TCCR1A = (0 << COM1A1) | (0 << COM1A0) | (1 << WGM11) | (0 << WGM10);
-# define ENABLE_AUDIO_COUNTER_1_ISR TIMSK1 |= _BV(OCIE1A)
-# define DISABLE_AUDIO_COUNTER_1_ISR TIMSK1 &= ~_BV(OCIE1A)
-# define ENABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A |= _BV(COM1A1);
-# define DISABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A &= ~(_BV(COM1A1) | _BV(COM1A0));
-# define TIMER_1_PERIOD ICR1
-# define TIMER_1_DUTY_CYCLE OCR1A
-# define TIMER1_AUDIO_vect TIMER1_COMPA_vect
-#endif
-#if defined(B6_AUDIO)
-# define BPIN_AUDIO
-# define BPIN_SET_DIRECTION DDRB |= _BV(PORTB6);
-# define INIT_AUDIO_COUNTER_1 TCCR1A = (0 << COM1B1) | (0 << COM1B0) | (1 << WGM11) | (0 << WGM10);
-# define ENABLE_AUDIO_COUNTER_1_ISR TIMSK1 |= _BV(OCIE1B)
-# define DISABLE_AUDIO_COUNTER_1_ISR TIMSK1 &= ~_BV(OCIE1B)
-# define ENABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A |= _BV(COM1B1);
-# define DISABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A &= ~(_BV(COM1B1) | _BV(COM1B0));
-# define TIMER_1_PERIOD ICR1
-# define TIMER_1_DUTY_CYCLE OCR1B
-# define TIMER1_AUDIO_vect TIMER1_COMPB_vect
-#endif
-#if defined(B7_AUDIO)
-# define BPIN_AUDIO
-# define BPIN_SET_DIRECTION DDRB |= _BV(PORTB7);
-# define INIT_AUDIO_COUNTER_1 TCCR1A = (0 << COM1C1) | (0 << COM1C0) | (1 << WGM11) | (0 << WGM10);
-# define ENABLE_AUDIO_COUNTER_1_ISR TIMSK1 |= _BV(OCIE1C)
-# define DISABLE_AUDIO_COUNTER_1_ISR TIMSK1 &= ~_BV(OCIE1C)
-# define ENABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A |= _BV(COM1C1);
-# define DISABLE_AUDIO_COUNTER_1_OUTPUT TCCR1A &= ~(_BV(COM1C1) | _BV(COM1C0));
-# define TIMER_1_PERIOD ICR1
-# define TIMER_1_DUTY_CYCLE OCR1C
-# define TIMER1_AUDIO_vect TIMER1_COMPC_vect
-#endif
-
-#if !defined(BPIN_AUDIO) && !defined(CPIN_AUDIO)
-# error "Audio feature enabled, but no suitable pin selected - see docs/feature_audio.md under the AVR settings for available options."
-#endif
-
-// -----------------------------------------------------------------------------
-
-int voices = 0;
-int voice_place = 0;
-float frequency = 0;
-float frequency_alt = 0;
-int volume = 0;
-long position = 0;
-
-float frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
-int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
-bool sliding = false;
-
-float place = 0;
-
-uint8_t* sample;
-uint16_t sample_length = 0;
-
-bool playing_notes = false;
-bool playing_note = false;
-float note_frequency = 0;
-float note_length = 0;
-uint8_t note_tempo = TEMPO_DEFAULT;
-float note_timbre = TIMBRE_DEFAULT;
-uint16_t note_position = 0;
-float (*notes_pointer)[][2];
-uint16_t notes_count;
-bool notes_repeat;
-bool note_resting = false;
-
-uint16_t current_note = 0;
-uint8_t rest_counter = 0;
-
-#ifdef VIBRATO_ENABLE
-float vibrato_counter = 0;
-float vibrato_strength = .5;
-float vibrato_rate = 0.125;
-#endif
-
-float polyphony_rate = 0;
-
-static bool audio_initialized = false;
-
-audio_config_t audio_config;
-
-uint16_t envelope_index = 0;
-bool glissando = true;
-
-#ifndef STARTUP_SONG
-# define STARTUP_SONG SONG(STARTUP_SOUND)
-#endif
-#ifndef AUDIO_ON_SONG
-# define AUDIO_ON_SONG SONG(AUDIO_ON_SOUND)
-#endif
-#ifndef AUDIO_OFF_SONG
-# define AUDIO_OFF_SONG SONG(AUDIO_OFF_SOUND)
-#endif
-float startup_song[][2] = STARTUP_SONG;
-float audio_on_song[][2] = AUDIO_ON_SONG;
-float audio_off_song[][2] = AUDIO_OFF_SONG;
-
-void audio_init() {
- // Check EEPROM
- if (!eeconfig_is_enabled()) {
- eeconfig_init();
- }
- audio_config.raw = eeconfig_read_audio();
-
- if (!audio_initialized) {
-// Set audio ports as output
-#ifdef CPIN_AUDIO
- CPIN_SET_DIRECTION
- DISABLE_AUDIO_COUNTER_3_ISR;
-#endif
-#ifdef BPIN_AUDIO
- BPIN_SET_DIRECTION
- DISABLE_AUDIO_COUNTER_1_ISR;
-#endif
-
-// TCCR3A / TCCR3B: Timer/Counter #3 Control Registers TCCR3A/TCCR3B, TCCR1A/TCCR1B
-// Compare Output Mode (COM3An and COM1An) = 0b00 = Normal port operation
-// OC3A -- PC6
-// OC3B -- PC5
-// OC3C -- PC4
-// OC1A -- PB5
-// OC1B -- PB6
-// OC1C -- PB7
-
-// Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14. Period = ICR3, Duty Cycle OCR3A)
-// OCR3A - PC6
-// OCR3B - PC5
-// OCR3C - PC4
-// OCR1A - PB5
-// OCR1B - PB6
-// OCR1C - PB7
-
-// Clock Select (CS3n) = 0b010 = Clock / 8
-#ifdef CPIN_AUDIO
- INIT_AUDIO_COUNTER_3
- TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30);
- TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (440 * CPU_PRESCALER));
- TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (440 * CPU_PRESCALER)) * note_timbre);
-#endif
-#ifdef BPIN_AUDIO
- INIT_AUDIO_COUNTER_1
- TCCR1B = (1 << WGM13) | (1 << WGM12) | (0 << CS12) | (1 << CS11) | (0 << CS10);
- TIMER_1_PERIOD = (uint16_t)(((float)F_CPU) / (440 * CPU_PRESCALER));
- TIMER_1_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (440 * CPU_PRESCALER)) * note_timbre);
-#endif
-
- audio_initialized = true;
- }
-}
-
-void audio_startup() {
- if (audio_config.enable) {
- PLAY_SONG(startup_song);
- }
-}
-
-void stop_all_notes() {
- dprintf("audio stop all notes");
-
- if (!audio_initialized) {
- audio_init();
- }
- voices = 0;
-
-#ifdef CPIN_AUDIO
- DISABLE_AUDIO_COUNTER_3_ISR;
- DISABLE_AUDIO_COUNTER_3_OUTPUT;
-#endif
-
-#ifdef BPIN_AUDIO
- DISABLE_AUDIO_COUNTER_1_ISR;
- DISABLE_AUDIO_COUNTER_1_OUTPUT;
-#endif
-
- playing_notes = false;
- playing_note = false;
- frequency = 0;
- frequency_alt = 0;
- volume = 0;
-
- for (uint8_t i = 0; i < 8; i++) {
- frequencies[i] = 0;
- volumes[i] = 0;
- }
-}
-
-void stop_note(float freq) {
- dprintf("audio stop note freq=%d", (int)freq);
-
- if (playing_note) {
- if (!audio_initialized) {
- audio_init();
- }
- for (int i = 7; i >= 0; i--) {
- if (frequencies[i] == freq) {
- frequencies[i] = 0;
- volumes[i] = 0;
- for (int j = i; (j < 7); j++) {
- frequencies[j] = frequencies[j + 1];
- frequencies[j + 1] = 0;
- volumes[j] = volumes[j + 1];
- volumes[j + 1] = 0;
- }
- break;
- }
- }
- voices--;
- if (voices < 0) voices = 0;
- if (voice_place >= voices) {
- voice_place = 0;
- }
- if (voices == 0) {
-#ifdef CPIN_AUDIO
- DISABLE_AUDIO_COUNTER_3_ISR;
- DISABLE_AUDIO_COUNTER_3_OUTPUT;
-#endif
-#ifdef BPIN_AUDIO
- DISABLE_AUDIO_COUNTER_1_ISR;
- DISABLE_AUDIO_COUNTER_1_OUTPUT;
-#endif
- frequency = 0;
- frequency_alt = 0;
- volume = 0;
- playing_note = false;
- }
- }
-}
-
-#ifdef VIBRATO_ENABLE
-
-float mod(float a, int b) {
- float r = fmod(a, b);
- return r < 0 ? r + b : r;
-}
-
-float vibrato(float average_freq) {
-# ifdef VIBRATO_STRENGTH_ENABLE
- float vibrated_freq = average_freq * pow(vibrato_lut[(int)vibrato_counter], vibrato_strength);
-# else
- float vibrated_freq = average_freq * vibrato_lut[(int)vibrato_counter];
-# endif
- vibrato_counter = mod((vibrato_counter + vibrato_rate * (1.0 + 440.0 / average_freq)), VIBRATO_LUT_LENGTH);
- return vibrated_freq;
-}
-
-#endif
-
-#ifdef CPIN_AUDIO
-ISR(TIMER3_AUDIO_vect) {
- float freq;
-
- if (playing_note) {
- if (voices > 0) {
-# ifdef BPIN_AUDIO
- float freq_alt = 0;
- if (voices > 1) {
- if (polyphony_rate == 0) {
- if (glissando) {
- if (frequency_alt != 0 && frequency_alt < frequencies[voices - 2] && frequency_alt < frequencies[voices - 2] * pow(2, -440 / frequencies[voices - 2] / 12 / 2)) {
- frequency_alt = frequency_alt * pow(2, 440 / frequency_alt / 12 / 2);
- } else if (frequency_alt != 0 && frequency_alt > frequencies[voices - 2] && frequency_alt > frequencies[voices - 2] * pow(2, 440 / frequencies[voices - 2] / 12 / 2)) {
- frequency_alt = frequency_alt * pow(2, -440 / frequency_alt / 12 / 2);
- } else {
- frequency_alt = frequencies[voices - 2];
- }
- } else {
- frequency_alt = frequencies[voices - 2];
- }
-
-# ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq_alt = vibrato(frequency_alt);
- } else {
- freq_alt = frequency_alt;
- }
-# else
- freq_alt = frequency_alt;
-# endif
- }
-
- if (envelope_index < 65535) {
- envelope_index++;
- }
-
- freq_alt = voice_envelope(freq_alt);
-
- if (freq_alt < 30.517578125) {
- freq_alt = 30.52;
- }
-
- TIMER_1_PERIOD = (uint16_t)(((float)F_CPU) / (freq_alt * CPU_PRESCALER));
- TIMER_1_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq_alt * CPU_PRESCALER)) * note_timbre);
- }
-# endif
-
- if (polyphony_rate > 0) {
- if (voices > 1) {
- voice_place %= voices;
- if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
- voice_place = (voice_place + 1) % voices;
- place = 0.0;
- }
- }
-
-# ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequencies[voice_place]);
- } else {
- freq = frequencies[voice_place];
- }
-# else
- freq = frequencies[voice_place];
-# endif
- } else {
- if (glissando) {
- if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440 / frequencies[voices - 1] / 12 / 2)) {
- frequency = frequency * pow(2, 440 / frequency / 12 / 2);
- } else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440 / frequencies[voices - 1] / 12 / 2)) {
- frequency = frequency * pow(2, -440 / frequency / 12 / 2);
- } else {
- frequency = frequencies[voices - 1];
- }
- } else {
- frequency = frequencies[voices - 1];
- }
-
-# ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequency);
- } else {
- freq = frequency;
- }
-# else
- freq = frequency;
-# endif
- }
-
- if (envelope_index < 65535) {
- envelope_index++;
- }
-
- freq = voice_envelope(freq);
-
- if (freq < 30.517578125) {
- freq = 30.52;
- }
-
- TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
- TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
- }
- }
-
- if (playing_notes) {
- if (note_frequency > 0) {
-# ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(note_frequency);
- } else {
- freq = note_frequency;
- }
-# else
- freq = note_frequency;
-# endif
-
- if (envelope_index < 65535) {
- envelope_index++;
- }
- freq = voice_envelope(freq);
-
- TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
- TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
- } else {
- TIMER_3_PERIOD = 0;
- TIMER_3_DUTY_CYCLE = 0;
- }
-
- note_position++;
- bool end_of_note = false;
- if (TIMER_3_PERIOD > 0) {
- if (!note_resting)
- end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF - 1));
- else
- end_of_note = (note_position >= (note_length));
- } else {
- end_of_note = (note_position >= (note_length));
- }
-
- if (end_of_note) {
- current_note++;
- if (current_note >= notes_count) {
- if (notes_repeat) {
- current_note = 0;
- } else {
- DISABLE_AUDIO_COUNTER_3_ISR;
- DISABLE_AUDIO_COUNTER_3_OUTPUT;
- playing_notes = false;
- return;
- }
- }
- if (!note_resting) {
- note_resting = true;
- current_note--;
- if ((*notes_pointer)[current_note][0] == (*notes_pointer)[current_note + 1][0]) {
- note_frequency = 0;
- note_length = 1;
- } else {
- note_frequency = (*notes_pointer)[current_note][0];
- note_length = 1;
- }
- } else {
- note_resting = false;
- envelope_index = 0;
- note_frequency = (*notes_pointer)[current_note][0];
- note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
- }
-
- note_position = 0;
- }
- }
-
- if (!audio_config.enable) {
- playing_notes = false;
- playing_note = false;
- }
-}
-#endif
-
-#ifdef BPIN_AUDIO
-ISR(TIMER1_AUDIO_vect) {
-# if defined(BPIN_AUDIO) && !defined(CPIN_AUDIO)
- float freq = 0;
-
- if (playing_note) {
- if (voices > 0) {
- if (polyphony_rate > 0) {
- if (voices > 1) {
- voice_place %= voices;
- if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
- voice_place = (voice_place + 1) % voices;
- place = 0.0;
- }
- }
-
-# ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequencies[voice_place]);
- } else {
- freq = frequencies[voice_place];
- }
-# else
- freq = frequencies[voice_place];
-# endif
- } else {
- if (glissando) {
- if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440 / frequencies[voices - 1] / 12 / 2)) {
- frequency = frequency * pow(2, 440 / frequency / 12 / 2);
- } else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440 / frequencies[voices - 1] / 12 / 2)) {
- frequency = frequency * pow(2, -440 / frequency / 12 / 2);
- } else {
- frequency = frequencies[voices - 1];
- }
- } else {
- frequency = frequencies[voices - 1];
- }
-
-# ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequency);
- } else {
- freq = frequency;
- }
-# else
- freq = frequency;
-# endif
- }
-
- if (envelope_index < 65535) {
- envelope_index++;
- }
-
- freq = voice_envelope(freq);
-
- if (freq < 30.517578125) {
- freq = 30.52;
- }
-
- TIMER_1_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
- TIMER_1_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
- }
- }
-
- if (playing_notes) {
- if (note_frequency > 0) {
-# ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(note_frequency);
- } else {
- freq = note_frequency;
- }
-# else
- freq = note_frequency;
-# endif
-
- if (envelope_index < 65535) {
- envelope_index++;
- }
- freq = voice_envelope(freq);
-
- TIMER_1_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
- TIMER_1_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
- } else {
- TIMER_1_PERIOD = 0;
- TIMER_1_DUTY_CYCLE = 0;
- }
-
- note_position++;
- bool end_of_note = false;
- if (TIMER_1_PERIOD > 0) {
- if (!note_resting)
- end_of_note = (note_position >= (note_length / TIMER_1_PERIOD * 0xFFFF - 1));
- else
- end_of_note = (note_position >= (note_length));
- } else {
- end_of_note = (note_position >= (note_length));
- }
-
- if (end_of_note) {
- current_note++;
- if (current_note >= notes_count) {
- if (notes_repeat) {
- current_note = 0;
- } else {
- DISABLE_AUDIO_COUNTER_1_ISR;
- DISABLE_AUDIO_COUNTER_1_OUTPUT;
- playing_notes = false;
- return;
- }
- }
- if (!note_resting) {
- note_resting = true;
- current_note--;
- if ((*notes_pointer)[current_note][0] == (*notes_pointer)[current_note + 1][0]) {
- note_frequency = 0;
- note_length = 1;
- } else {
- note_frequency = (*notes_pointer)[current_note][0];
- note_length = 1;
- }
- } else {
- note_resting = false;
- envelope_index = 0;
- note_frequency = (*notes_pointer)[current_note][0];
- note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
- }
-
- note_position = 0;
- }
- }
-
- if (!audio_config.enable) {
- playing_notes = false;
- playing_note = false;
- }
-# endif
-}
-#endif
-
-void play_note(float freq, int vol) {
- dprintf("audio play note freq=%d vol=%d", (int)freq, vol);
-
- if (!audio_initialized) {
- audio_init();
- }
-
- if (audio_config.enable && voices < 8) {
-#ifdef CPIN_AUDIO
- DISABLE_AUDIO_COUNTER_3_ISR;
-#endif
-#ifdef BPIN_AUDIO
- DISABLE_AUDIO_COUNTER_1_ISR;
-#endif
-
- // Cancel notes if notes are playing
- if (playing_notes) stop_all_notes();
-
- playing_note = true;
-
- envelope_index = 0;
-
- if (freq > 0) {
- frequencies[voices] = freq;
- volumes[voices] = vol;
- voices++;
- }
-
-#ifdef CPIN_AUDIO
- ENABLE_AUDIO_COUNTER_3_ISR;
- ENABLE_AUDIO_COUNTER_3_OUTPUT;
-#endif
-#ifdef BPIN_AUDIO
-# ifdef CPIN_AUDIO
- if (voices > 1) {
- ENABLE_AUDIO_COUNTER_1_ISR;
- ENABLE_AUDIO_COUNTER_1_OUTPUT;
- }
-# else
- ENABLE_AUDIO_COUNTER_1_ISR;
- ENABLE_AUDIO_COUNTER_1_OUTPUT;
-# endif
-#endif
- }
-}
-
-void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat) {
- if (!audio_initialized) {
- audio_init();
- }
-
- if (audio_config.enable) {
-#ifdef CPIN_AUDIO
- DISABLE_AUDIO_COUNTER_3_ISR;
-#endif
-#ifdef BPIN_AUDIO
- DISABLE_AUDIO_COUNTER_1_ISR;
-#endif
-
- // Cancel note if a note is playing
- if (playing_note) stop_all_notes();
-
- playing_notes = true;
-
- notes_pointer = np;
- notes_count = n_count;
- notes_repeat = n_repeat;
-
- place = 0;
- current_note = 0;
-
- note_frequency = (*notes_pointer)[current_note][0];
- note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
- note_position = 0;
-
-#ifdef CPIN_AUDIO
- ENABLE_AUDIO_COUNTER_3_ISR;
- ENABLE_AUDIO_COUNTER_3_OUTPUT;
-#endif
-#ifdef BPIN_AUDIO
-# ifndef CPIN_AUDIO
- ENABLE_AUDIO_COUNTER_1_ISR;
- ENABLE_AUDIO_COUNTER_1_OUTPUT;
-# endif
-#endif
- }
-}
-
-bool is_playing_notes(void) { return playing_notes; }
-
-bool is_audio_on(void) { return (audio_config.enable != 0); }
-
-void audio_toggle(void) {
- audio_config.enable ^= 1;
- eeconfig_update_audio(audio_config.raw);
- if (audio_config.enable) audio_on_user();
-}
-
-void audio_on(void) {
- audio_config.enable = 1;
- eeconfig_update_audio(audio_config.raw);
- audio_on_user();
- PLAY_SONG(audio_on_song);
-}
-
-void audio_off(void) {
- PLAY_SONG(audio_off_song);
- wait_ms(100);
- stop_all_notes();
- audio_config.enable = 0;
- eeconfig_update_audio(audio_config.raw);
-}
-
-#ifdef VIBRATO_ENABLE
-
-// Vibrato rate functions
-
-void set_vibrato_rate(float rate) { vibrato_rate = rate; }
-
-void increase_vibrato_rate(float change) { vibrato_rate *= change; }
-
-void decrease_vibrato_rate(float change) { vibrato_rate /= change; }
-
-# ifdef VIBRATO_STRENGTH_ENABLE
-
-void set_vibrato_strength(float strength) { vibrato_strength = strength; }
-
-void increase_vibrato_strength(float change) { vibrato_strength *= change; }
-
-void decrease_vibrato_strength(float change) { vibrato_strength /= change; }
-
-# endif /* VIBRATO_STRENGTH_ENABLE */
-
-#endif /* VIBRATO_ENABLE */
-
-// Polyphony functions
-
-void set_polyphony_rate(float rate) { polyphony_rate = rate; }
-
-void enable_polyphony() { polyphony_rate = 5; }
-
-void disable_polyphony() { polyphony_rate = 0; }
-
-void increase_polyphony_rate(float change) { polyphony_rate *= change; }
-
-void decrease_polyphony_rate(float change) { polyphony_rate /= change; }
-
-// Timbre function
-
-void set_timbre(float timbre) { note_timbre = timbre; }
-
-// Tempo functions
-
-void set_tempo(uint8_t tempo) { note_tempo = tempo; }
-
-void decrease_tempo(uint8_t tempo_change) { note_tempo += tempo_change; }
-
-void increase_tempo(uint8_t tempo_change) {
- if (note_tempo - tempo_change < 10) {
- note_tempo = 10;
- } else {
- note_tempo -= tempo_change;
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 23:24:56 +0000