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add debug messages to audio

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This commit is contained in:
Gabriel Young 2017-03-02 12:28:12 -08:00
parent d11962aeb2
commit 0734f56940
1 changed files with 150 additions and 144 deletions
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294
quantum/audio/audio.c
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@ -89,15 +89,15 @@ void audio_init()
} }
audio_config.raw = eeconfig_read_audio(); audio_config.raw = eeconfig_read_audio();
// Set port PC6 (OC3A and /OC4A) as output // Set port PC6 (OC3A and /OC4A) as output
DDRC |= _BV(PORTC6); DDRC |= _BV(PORTC6);
DISABLE_AUDIO_COUNTER_3_ISR; DISABLE_AUDIO_COUNTER_3_ISR;
// TCCR3A / TCCR3B: Timer/Counter #3 Control Registers // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers
// Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6 // Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6
// Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A) // Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A)
// Clock Select (CS3n) = 0b010 = Clock / 8 // Clock Select (CS3n) = 0b010 = Clock / 8
TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30); TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30); TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30);
@ -106,6 +106,8 @@ void audio_init()
void stop_all_notes() void stop_all_notes()
{ {
dprintf("audio stop all notes");
if (!audio_initialized) { if (!audio_initialized) {
audio_init(); audio_init();
} }
@ -128,6 +130,8 @@ void stop_all_notes()
void stop_note(float freq) void stop_note(float freq)
{ {
dprintf("audio stop note freq=%d", (int)freq);
if (playing_note) { if (playing_note) {
if (!audio_initialized) { if (!audio_initialized) {
audio_init(); audio_init();
@ -183,159 +187,161 @@ float vibrato(float average_freq) {
ISR(TIMER3_COMPA_vect) ISR(TIMER3_COMPA_vect)
{ {
float freq; float freq;
if (playing_note) { if (playing_note) {
if (voices > 0) { if (voices > 0) {
if (polyphony_rate > 0) { if (polyphony_rate > 0) {
if (voices > 1) { if (voices > 1) {
voice_place %= voices; voice_place %= voices;
if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) { if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
voice_place = (voice_place + 1) % voices; voice_place = (voice_place + 1) % voices;
place = 0.0; place = 0.0;
} }
} }
#ifdef VIBRATO_ENABLE #ifdef VIBRATO_ENABLE
if (vibrato_strength > 0) { if (vibrato_strength > 0) {
freq = vibrato(frequencies[voice_place]); freq = vibrato(frequencies[voice_place]);
} else { } else {
freq = frequencies[voice_place]; freq = frequencies[voice_place];
} }
#else #else
freq = frequencies[voice_place]; freq = frequencies[voice_place];
#endif #endif
} else { } else {
if (glissando) { if (glissando) {
if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/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); 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)) { } 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); frequency = frequency * pow(2, -440/frequency/12/2);
} else { } else {
frequency = frequencies[voices - 1]; frequency = frequencies[voices - 1];
} }
} else { } else {
frequency = frequencies[voices - 1]; frequency = frequencies[voices - 1];
} }
#ifdef VIBRATO_ENABLE #ifdef VIBRATO_ENABLE
if (vibrato_strength > 0) { if (vibrato_strength > 0) {
freq = vibrato(frequency); freq = vibrato(frequency);
} else { } else {
freq = frequency; freq = frequency;
} }
#else #else
freq = frequency; freq = frequency;
#endif #endif
} }
if (envelope_index < 65535) { if (envelope_index < 65535) {
envelope_index++; envelope_index++;
} }
freq = voice_envelope(freq); freq = voice_envelope(freq);
if (freq < 30.517578125) { if (freq < 30.517578125) {
freq = 30.52; 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); TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
} }
} }
if (playing_notes) { if (playing_notes) {
if (note_frequency > 0) { if (note_frequency > 0) {
#ifdef VIBRATO_ENABLE #ifdef VIBRATO_ENABLE
if (vibrato_strength > 0) { if (vibrato_strength > 0) {
freq = vibrato(note_frequency); freq = vibrato(note_frequency);
} else { } else {
freq = note_frequency; freq = note_frequency;
} }
#else #else
freq = note_frequency; freq = note_frequency;
#endif #endif
if (envelope_index < 65535) { if (envelope_index < 65535) {
envelope_index++; envelope_index++;
} }
freq = voice_envelope(freq); 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); TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
} else { } else {
TIMER_3_PERIOD = 0; TIMER_3_PERIOD = 0;
TIMER_3_DUTY_CYCLE = 0; TIMER_3_DUTY_CYCLE = 0;
} }
note_position++; note_position++;
bool end_of_note = false; bool end_of_note = false;
if (TIMER_3_PERIOD > 0) { if (TIMER_3_PERIOD > 0) {
end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF)); end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF));
} else { } else {
end_of_note = (note_position >= (note_length * 0x7FF)); end_of_note = (note_position >= (note_length * 0x7FF));
} }
if (end_of_note) { if (end_of_note) {
current_note++; current_note++;
if (current_note >= notes_count) { if (current_note >= notes_count) {
if (notes_repeat) { if (notes_repeat) {
current_note = 0; current_note = 0;
} else { } else {
DISABLE_AUDIO_COUNTER_3_ISR; DISABLE_AUDIO_COUNTER_3_ISR;
DISABLE_AUDIO_COUNTER_3_OUTPUT; DISABLE_AUDIO_COUNTER_3_OUTPUT;
playing_notes = false; playing_notes = false;
return; return;
} }
} }
if (!note_resting && (notes_rest > 0)) { if (!note_resting && (notes_rest > 0)) {
note_resting = true; note_resting = true;
note_frequency = 0; note_frequency = 0;
note_length = notes_rest; note_length = notes_rest;
current_note--; current_note--;
} else { } else {
note_resting = false; note_resting = false;
envelope_index = 0; envelope_index = 0;
note_frequency = (*notes_pointer)[current_note][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; note_position = 0;
} }
} }
if (!audio_config.enable) { if (!audio_config.enable) {
playing_notes = false; playing_notes = false;
playing_note = false; playing_note = false;
} }
} }
void play_note(float freq, int vol) { void play_note(float freq, int vol) {
dprintf("audio play note freq=%d vol=%d", (int)freq, vol);
if (!audio_initialized) { if (!audio_initialized) {
audio_init(); audio_init();
} }
if (audio_config.enable && voices < 8) { if (audio_config.enable && voices < 8) {
DISABLE_AUDIO_COUNTER_3_ISR; DISABLE_AUDIO_COUNTER_3_ISR;
// Cancel notes if notes are playing // Cancel notes if notes are playing
if (playing_notes) if (playing_notes)
stop_all_notes(); stop_all_notes();
playing_note = true; playing_note = true;
envelope_index = 0; envelope_index = 0;
if (freq > 0) { if (freq > 0) {
frequencies[voices] = freq; frequencies[voices] = freq;
volumes[voices] = vol; volumes[voices] = vol;
voices++; voices++;
} }
ENABLE_AUDIO_COUNTER_3_ISR; ENABLE_AUDIO_COUNTER_3_ISR;
ENABLE_AUDIO_COUNTER_3_OUTPUT; ENABLE_AUDIO_COUNTER_3_OUTPUT;
} }
} }
@ -346,37 +352,37 @@ void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest)
audio_init(); audio_init();
} }
if (audio_config.enable) { if (audio_config.enable) {
DISABLE_AUDIO_COUNTER_3_ISR; DISABLE_AUDIO_COUNTER_3_ISR;
// Cancel note if a note is playing // Cancel note if a note is playing
if (playing_note) if (playing_note)
stop_all_notes(); stop_all_notes();
playing_notes = true; playing_notes = true;
notes_pointer = np; notes_pointer = np;
notes_count = n_count; notes_count = n_count;
notes_repeat = n_repeat; notes_repeat = n_repeat;
notes_rest = n_rest; notes_rest = n_rest;
place = 0; place = 0;
current_note = 0; current_note = 0;
note_frequency = (*notes_pointer)[current_note][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; note_position = 0;
ENABLE_AUDIO_COUNTER_3_ISR; ENABLE_AUDIO_COUNTER_3_ISR;
ENABLE_AUDIO_COUNTER_3_OUTPUT; ENABLE_AUDIO_COUNTER_3_OUTPUT;
} }
} }
bool is_playing_notes(void) { bool is_playing_notes(void) {
return playing_notes; return playing_notes;
} }
bool is_audio_on(void) { bool is_audio_on(void) {