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-rw-r--r--quantum/audio/audio.c740
1 files changed, 342 insertions, 398 deletions
diff --git a/quantum/audio/audio.c b/quantum/audio/audio.c
index 3da164c736..781378788c 100644
--- a/quantum/audio/audio.c
+++ b/quantum/audio/audio.c
@@ -18,9 +18,9 @@
#include <string.h>
//#include <math.h>
#if defined(__AVR__)
- #include <avr/pgmspace.h>
- #include <avr/interrupt.h>
- #include <avr/io.h>
+# include <avr/pgmspace.h>
+# include <avr/interrupt.h>
+# include <avr/io.h>
#endif
#include "print.h"
#include "audio.h"
@@ -35,119 +35,118 @@
// 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
+// 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
+# 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
+# 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
+# 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
+# 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
+# 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
+# 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
// -----------------------------------------------------------------------------
-
-int voices = 0;
-int voice_place = 0;
-float frequency = 0;
+int voices = 0;
+int voice_place = 0;
+float frequency = 0;
float frequency_alt = 0;
-int volume = 0;
-long position = 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;
+int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+bool sliding = false;
float place = 0;
-uint8_t * sample;
+uint8_t* sample;
uint16_t sample_length = 0;
-bool playing_notes = false;
-bool playing_note = false;
+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];
+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;
+uint8_t rest_counter = 0;
#ifdef VIBRATO_ENABLE
-float vibrato_counter = 0;
+float vibrato_counter = 0;
float vibrato_strength = .5;
-float vibrato_rate = 0.125;
+float vibrato_rate = 0.125;
#endif
float polyphony_rate = 0;
@@ -157,73 +156,69 @@ static bool audio_initialized = false;
audio_config_t audio_config;
uint16_t envelope_index = 0;
-bool glissando = true;
+bool glissando = true;
#ifndef STARTUP_SONG
- #define STARTUP_SONG SONG(STARTUP_SOUND)
+# define STARTUP_SONG SONG(STARTUP_SOUND)
#endif
#ifndef AUDIO_ON_SONG
- #define AUDIO_ON_SONG SONG(AUDIO_ON_SOUND)
+# define AUDIO_ON_SONG SONG(AUDIO_ON_SOUND)
#endif
#ifndef AUDIO_OFF_SONG
- #define AUDIO_OFF_SONG SONG(AUDIO_OFF_SOUND)
+# define AUDIO_OFF_SONG SONG(AUDIO_OFF_SOUND)
#endif
-float startup_song[][2] = STARTUP_SONG;
-float audio_on_song[][2] = AUDIO_ON_SONG;
+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()
-{
-
+void audio_init() {
// Check EEPROM
- if (!eeconfig_is_enabled())
- {
+ 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
- // 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
+// 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;
}
@@ -231,11 +226,9 @@ void audio_init()
if (audio_config.enable) {
PLAY_SONG(startup_song);
}
-
}
-void stop_all_notes()
-{
+void stop_all_notes() {
dprintf("audio stop all notes");
if (!audio_initialized) {
@@ -243,31 +236,29 @@ void stop_all_notes()
}
voices = 0;
- #ifdef CPIN_AUDIO
- DISABLE_AUDIO_COUNTER_3_ISR;
- DISABLE_AUDIO_COUNTER_3_OUTPUT;
- #endif
+#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
+#ifdef BPIN_AUDIO
+ DISABLE_AUDIO_COUNTER_1_ISR;
+ DISABLE_AUDIO_COUNTER_1_OUTPUT;
+#endif
playing_notes = false;
- playing_note = false;
- frequency = 0;
+ playing_note = false;
+ frequency = 0;
frequency_alt = 0;
- volume = 0;
+ volume = 0;
- for (uint8_t i = 0; i < 8; i++)
- {
+ for (uint8_t i = 0; i < 8; i++) {
frequencies[i] = 0;
- volumes[i] = 0;
+ volumes[i] = 0;
}
}
-void stop_note(float freq)
-{
+void stop_note(float freq) {
dprintf("audio stop note freq=%d", (int)freq);
if (playing_note) {
@@ -277,133 +268,129 @@ void stop_note(float freq)
for (int i = 7; i >= 0; i--) {
if (frequencies[i] == freq) {
frequencies[i] = 0;
- volumes[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;
+ 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 (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;
+#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;
+ volume = 0;
+ playing_note = false;
}
}
}
#ifdef VIBRATO_ENABLE
-float mod(float a, int b)
-{
+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);
+# 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)
-{
+ISR(TIMER3_AUDIO_vect) {
float freq;
if (playing_note) {
if (voices > 0) {
-
- #ifdef BPIN_AUDIO
+# 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];
- }
+ 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];
}
-
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq_alt = vibrato(frequency_alt);
- } else {
- freq_alt = frequency_alt;
- }
- #else
- freq_alt = frequency_alt;
- #endif
+ } else {
+ frequency_alt = frequencies[voices - 2];
}
- if (envelope_index < 65535) {
- envelope_index++;
+# ifdef VIBRATO_ENABLE
+ if (vibrato_strength > 0) {
+ freq_alt = vibrato(frequency_alt);
+ } else {
+ freq_alt = frequency_alt;
}
+# else
+ freq_alt = frequency_alt;
+# endif
+ }
- freq_alt = voice_envelope(freq_alt);
+ if (envelope_index < 65535) {
+ envelope_index++;
+ }
- if (freq_alt < 30.517578125) {
- freq_alt = 30.52;
- }
+ freq_alt = voice_envelope(freq_alt);
- 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);
+ if (freq_alt < 30.517578125) {
+ freq_alt = 30.52;
}
- #endif
+
+ 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;
+ place = 0.0;
}
}
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequencies[voice_place]);
- } else {
- freq = frequencies[voice_place];
- }
- #else
+# ifdef VIBRATO_ENABLE
+ if (vibrato_strength > 0) {
+ freq = vibrato(frequencies[voice_place]);
+ } else {
freq = frequencies[voice_place];
- #endif
+ }
+# 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);
+ 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];
}
@@ -411,15 +398,15 @@ ISR(TIMER3_AUDIO_vect)
frequency = frequencies[voices - 1];
}
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequency);
- } else {
- freq = frequency;
- }
- #else
+# ifdef VIBRATO_ENABLE
+ if (vibrato_strength > 0) {
+ freq = vibrato(frequency);
+ } else {
freq = frequency;
- #endif
+ }
+# else
+ freq = frequency;
+# endif
}
if (envelope_index < 65535) {
@@ -432,32 +419,32 @@ ISR(TIMER3_AUDIO_vect)
freq = 30.52;
}
- TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
+ 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
+# 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_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_PERIOD = 0;
TIMER_3_DUTY_CYCLE = 0;
}
@@ -489,16 +476,16 @@ ISR(TIMER3_AUDIO_vect)
current_note--;
if ((*notes_pointer)[current_note][0] == (*notes_pointer)[current_note + 1][0]) {
note_frequency = 0;
- note_length = 1;
+ note_length = 1;
} else {
note_frequency = (*notes_pointer)[current_note][0];
- note_length = 1;
+ note_length = 1;
}
} else {
- note_resting = false;
+ 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_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
}
note_position = 0;
@@ -507,15 +494,14 @@ ISR(TIMER3_AUDIO_vect)
if (!audio_config.enable) {
playing_notes = false;
- playing_note = false;
+ playing_note = false;
}
}
#endif
#ifdef BPIN_AUDIO
-ISR(TIMER1_AUDIO_vect)
-{
- #if defined(BPIN_AUDIO) && !defined(CPIN_AUDIO)
+ISR(TIMER1_AUDIO_vect) {
+# if defined(BPIN_AUDIO) && !defined(CPIN_AUDIO)
float freq = 0;
if (playing_note) {
@@ -525,25 +511,25 @@ ISR(TIMER1_AUDIO_vect)
voice_place %= voices;
if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
voice_place = (voice_place + 1) % voices;
- place = 0.0;
+ place = 0.0;
}
}
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequencies[voice_place]);
- } else {
- freq = frequencies[voice_place];
- }
- #else
+# ifdef VIBRATO_ENABLE
+ if (vibrato_strength > 0) {
+ freq = vibrato(frequencies[voice_place]);
+ } else {
freq = frequencies[voice_place];
- #endif
+ }
+# 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);
+ 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];
}
@@ -551,15 +537,15 @@ ISR(TIMER1_AUDIO_vect)
frequency = frequencies[voices - 1];
}
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequency);
- } else {
- freq = frequency;
- }
- #else
+# ifdef VIBRATO_ENABLE
+ if (vibrato_strength > 0) {
+ freq = vibrato(frequency);
+ } else {
freq = frequency;
- #endif
+ }
+# else
+ freq = frequency;
+# endif
}
if (envelope_index < 65535) {
@@ -572,32 +558,32 @@ ISR(TIMER1_AUDIO_vect)
freq = 30.52;
}
- TIMER_1_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
+ 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
+# 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_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_PERIOD = 0;
TIMER_1_DUTY_CYCLE = 0;
}
@@ -629,16 +615,16 @@ ISR(TIMER1_AUDIO_vect)
current_note--;
if ((*notes_pointer)[current_note][0] == (*notes_pointer)[current_note + 1][0]) {
note_frequency = 0;
- note_length = 1;
+ note_length = 1;
} else {
note_frequency = (*notes_pointer)[current_note][0];
- note_length = 1;
+ note_length = 1;
}
} else {
- note_resting = false;
+ 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_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
}
note_position = 0;
@@ -647,14 +633,13 @@ ISR(TIMER1_AUDIO_vect)
if (!audio_config.enable) {
playing_notes = false;
- playing_note = false;
+ playing_note = false;
}
-#endif
+# endif
}
#endif
void play_note(float freq, int vol) {
-
dprintf("audio play note freq=%d vol=%d", (int)freq, vol);
if (!audio_initialized) {
@@ -662,16 +647,15 @@ void play_note(float freq, int vol) {
}
if (audio_config.enable && voices < 8) {
- #ifdef CPIN_AUDIO
- DISABLE_AUDIO_COUNTER_3_ISR;
- #endif
- #ifdef BPIN_AUDIO
- DISABLE_AUDIO_COUNTER_1_ISR;
- #endif
+#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();
+ if (playing_notes) stop_all_notes();
playing_note = true;
@@ -679,90 +663,78 @@ void play_note(float freq, int vol) {
if (freq > 0) {
frequencies[voices] = freq;
- volumes[voices] = vol;
+ 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
+#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;
- #endif
- #endif
+ }
+# 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)
-{
-
+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
+#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();
+ if (playing_note) stop_all_notes();
playing_notes = true;
notes_pointer = np;
- notes_count = n_count;
- notes_repeat = n_repeat;
+ notes_count = n_count;
+ notes_repeat = n_repeat;
- place = 0;
+ 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;
+ 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
+#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_playing_notes(void) { return playing_notes; }
-bool is_audio_on(void) {
- return (audio_config.enable != 0);
-}
+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();
+ if (audio_config.enable) audio_on_user();
}
void audio_on(void) {
@@ -784,73 +756,45 @@ void audio_off(void) {
// Vibrato rate functions
-void set_vibrato_rate(float rate) {
- vibrato_rate = rate;
-}
+void set_vibrato_rate(float rate) { vibrato_rate = rate; }
-void increase_vibrato_rate(float change) {
- vibrato_rate *= change;
-}
+void increase_vibrato_rate(float change) { vibrato_rate *= change; }
-void decrease_vibrato_rate(float change) {
- vibrato_rate /= change;
-}
+void decrease_vibrato_rate(float change) { vibrato_rate /= change; }
-#ifdef VIBRATO_STRENGTH_ENABLE
+# ifdef VIBRATO_STRENGTH_ENABLE
-void set_vibrato_strength(float strength) {
- vibrato_strength = strength;
-}
+void set_vibrato_strength(float strength) { vibrato_strength = strength; }
-void increase_vibrato_strength(float change) {
- vibrato_strength *= change;
-}
+void increase_vibrato_strength(float change) { vibrato_strength *= change; }
-void decrease_vibrato_strength(float change) {
- vibrato_strength /= change;
-}
+void decrease_vibrato_strength(float change) { vibrato_strength /= change; }
-#endif /* VIBRATO_STRENGTH_ENABLE */
+# endif /* VIBRATO_STRENGTH_ENABLE */
#endif /* VIBRATO_ENABLE */
// Polyphony functions
-void set_polyphony_rate(float rate) {
- polyphony_rate = rate;
-}
+void set_polyphony_rate(float rate) { polyphony_rate = rate; }
-void enable_polyphony() {
- polyphony_rate = 5;
-}
+void enable_polyphony() { polyphony_rate = 5; }
-void disable_polyphony() {
- polyphony_rate = 0;
-}
+void disable_polyphony() { polyphony_rate = 0; }
-void increase_polyphony_rate(float change) {
- polyphony_rate *= change;
-}
+void increase_polyphony_rate(float change) { polyphony_rate *= change; }
-void decrease_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;
-}
+void set_timbre(float timbre) { note_timbre = timbre; }
// Tempo functions
-void set_tempo(uint8_t tempo) {
- note_tempo = tempo;
-}
+void set_tempo(uint8_t tempo) { note_tempo = tempo; }
-void decrease_tempo(uint8_t tempo_change) {
- note_tempo += tempo_change;
-}
+void decrease_tempo(uint8_t tempo_change) { note_tempo += tempo_change; }
void increase_tempo(uint8_t tempo_change) {
if (note_tempo - tempo_change < 10) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-19 19:54:12 +0000