add debug messages to audio
This commit is contained in:
Gabriel Young
parent
d11962aeb2
commit
0734f56940
1 changed files with 150 additions and 144 deletions
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@ -89,15 +89,15 @@ void audio_init()
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}
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audio_config.raw = eeconfig_read_audio();
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// Set port PC6 (OC3A and /OC4A) as output
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// Set port PC6 (OC3A and /OC4A) as output
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DDRC |= _BV(PORTC6);
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DISABLE_AUDIO_COUNTER_3_ISR;
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// TCCR3A / TCCR3B: Timer/Counter #3 Control Registers
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// Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6
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// Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A)
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// Clock Select (CS3n) = 0b010 = Clock / 8
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// TCCR3A / TCCR3B: Timer/Counter #3 Control Registers
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// Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6
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// Waveform Generation Mode (WGM3n) = 0b1110 = Fast PWM Mode 14 (Period = ICR3, Duty Cycle = OCR3A)
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// Clock Select (CS3n) = 0b010 = Clock / 8
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TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
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TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30);
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@ -106,6 +106,8 @@ void audio_init()
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void stop_all_notes()
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{
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dprintf("audio stop all notes");
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if (!audio_initialized) {
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audio_init();
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}
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@ -128,6 +130,8 @@ void stop_all_notes()
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void stop_note(float freq)
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{
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dprintf("audio stop note freq=%d", (int)freq);
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if (playing_note) {
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if (!audio_initialized) {
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audio_init();
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@ -183,159 +187,161 @@ float vibrato(float average_freq) {
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ISR(TIMER3_COMPA_vect)
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{
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float freq;
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float freq;
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if (playing_note) {
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if (voices > 0) {
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if (polyphony_rate > 0) {
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if (voices > 1) {
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voice_place %= voices;
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if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
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voice_place = (voice_place + 1) % voices;
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place = 0.0;
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}
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}
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if (playing_note) {
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if (voices > 0) {
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if (polyphony_rate > 0) {
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if (voices > 1) {
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voice_place %= voices;
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if (place++ > (frequencies[voice_place] / polyphony_rate / CPU_PRESCALER)) {
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voice_place = (voice_place + 1) % voices;
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place = 0.0;
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}
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}
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#ifdef VIBRATO_ENABLE
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if (vibrato_strength > 0) {
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freq = vibrato(frequencies[voice_place]);
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} else {
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freq = frequencies[voice_place];
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}
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#else
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freq = frequencies[voice_place];
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#endif
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} else {
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if (glissando) {
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if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) {
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frequency = frequency * pow(2, 440/frequency/12/2);
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} else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) {
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frequency = frequency * pow(2, -440/frequency/12/2);
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} else {
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frequency = frequencies[voices - 1];
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}
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} else {
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frequency = frequencies[voices - 1];
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}
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#ifdef VIBRATO_ENABLE
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if (vibrato_strength > 0) {
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freq = vibrato(frequencies[voice_place]);
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} else {
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freq = frequencies[voice_place];
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}
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#else
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freq = frequencies[voice_place];
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#endif
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} else {
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if (glissando) {
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if (frequency != 0 && frequency < frequencies[voices - 1] && frequency < frequencies[voices - 1] * pow(2, -440/frequencies[voices - 1]/12/2)) {
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frequency = frequency * pow(2, 440/frequency/12/2);
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} else if (frequency != 0 && frequency > frequencies[voices - 1] && frequency > frequencies[voices - 1] * pow(2, 440/frequencies[voices - 1]/12/2)) {
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frequency = frequency * pow(2, -440/frequency/12/2);
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} else {
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frequency = frequencies[voices - 1];
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}
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} else {
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frequency = frequencies[voices - 1];
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}
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#ifdef VIBRATO_ENABLE
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if (vibrato_strength > 0) {
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freq = vibrato(frequency);
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} else {
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freq = frequency;
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}
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#else
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freq = frequency;
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#endif
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}
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#ifdef VIBRATO_ENABLE
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if (vibrato_strength > 0) {
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freq = vibrato(frequency);
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} else {
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freq = frequency;
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}
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#else
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freq = frequency;
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#endif
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}
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if (envelope_index < 65535) {
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envelope_index++;
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}
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if (envelope_index < 65535) {
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envelope_index++;
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}
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freq = voice_envelope(freq);
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freq = voice_envelope(freq);
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if (freq < 30.517578125) {
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freq = 30.52;
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}
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if (freq < 30.517578125) {
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freq = 30.52;
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}
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TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
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TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
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}
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}
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TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
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TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
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}
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}
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if (playing_notes) {
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if (note_frequency > 0) {
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#ifdef VIBRATO_ENABLE
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if (vibrato_strength > 0) {
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freq = vibrato(note_frequency);
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} else {
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freq = note_frequency;
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}
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#else
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freq = note_frequency;
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#endif
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if (playing_notes) {
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if (note_frequency > 0) {
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#ifdef VIBRATO_ENABLE
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if (vibrato_strength > 0) {
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freq = vibrato(note_frequency);
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} else {
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freq = note_frequency;
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}
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#else
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freq = note_frequency;
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#endif
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if (envelope_index < 65535) {
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envelope_index++;
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}
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freq = voice_envelope(freq);
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if (envelope_index < 65535) {
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envelope_index++;
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}
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freq = voice_envelope(freq);
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TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
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TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
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} else {
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TIMER_3_PERIOD = 0;
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TIMER_3_DUTY_CYCLE = 0;
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}
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TIMER_3_PERIOD = (uint16_t)(((float)F_CPU) / (freq * CPU_PRESCALER));
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TIMER_3_DUTY_CYCLE = (uint16_t)((((float)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre);
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} else {
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TIMER_3_PERIOD = 0;
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TIMER_3_DUTY_CYCLE = 0;
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}
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note_position++;
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bool end_of_note = false;
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if (TIMER_3_PERIOD > 0) {
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end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF));
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} else {
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end_of_note = (note_position >= (note_length * 0x7FF));
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}
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note_position++;
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bool end_of_note = false;
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if (TIMER_3_PERIOD > 0) {
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end_of_note = (note_position >= (note_length / TIMER_3_PERIOD * 0xFFFF));
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} else {
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end_of_note = (note_position >= (note_length * 0x7FF));
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}
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if (end_of_note) {
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current_note++;
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if (current_note >= notes_count) {
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if (notes_repeat) {
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current_note = 0;
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} else {
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DISABLE_AUDIO_COUNTER_3_ISR;
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DISABLE_AUDIO_COUNTER_3_OUTPUT;
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playing_notes = false;
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return;
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}
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}
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if (!note_resting && (notes_rest > 0)) {
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note_resting = true;
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note_frequency = 0;
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note_length = notes_rest;
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current_note--;
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} else {
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note_resting = false;
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envelope_index = 0;
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note_frequency = (*notes_pointer)[current_note][0];
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note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
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}
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if (end_of_note) {
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current_note++;
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if (current_note >= notes_count) {
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if (notes_repeat) {
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current_note = 0;
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} else {
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DISABLE_AUDIO_COUNTER_3_ISR;
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DISABLE_AUDIO_COUNTER_3_OUTPUT;
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playing_notes = false;
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return;
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}
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}
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if (!note_resting && (notes_rest > 0)) {
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note_resting = true;
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note_frequency = 0;
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note_length = notes_rest;
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current_note--;
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} else {
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note_resting = false;
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envelope_index = 0;
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note_frequency = (*notes_pointer)[current_note][0];
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note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
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}
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note_position = 0;
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}
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}
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note_position = 0;
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}
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}
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if (!audio_config.enable) {
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playing_notes = false;
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playing_note = false;
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}
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if (!audio_config.enable) {
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playing_notes = false;
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playing_note = false;
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}
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}
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void play_note(float freq, int vol) {
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dprintf("audio play note freq=%d vol=%d", (int)freq, vol);
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if (!audio_initialized) {
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audio_init();
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}
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if (audio_config.enable && voices < 8) {
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DISABLE_AUDIO_COUNTER_3_ISR;
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if (audio_config.enable && voices < 8) {
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DISABLE_AUDIO_COUNTER_3_ISR;
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// Cancel notes if notes are playing
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if (playing_notes)
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stop_all_notes();
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// Cancel notes if notes are playing
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if (playing_notes)
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stop_all_notes();
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playing_note = true;
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playing_note = true;
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envelope_index = 0;
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envelope_index = 0;
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if (freq > 0) {
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frequencies[voices] = freq;
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volumes[voices] = vol;
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voices++;
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}
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if (freq > 0) {
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frequencies[voices] = freq;
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volumes[voices] = vol;
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voices++;
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}
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ENABLE_AUDIO_COUNTER_3_ISR;
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ENABLE_AUDIO_COUNTER_3_OUTPUT;
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}
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}
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}
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@ -346,37 +352,37 @@ void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest)
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audio_init();
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}
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if (audio_config.enable) {
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if (audio_config.enable) {
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DISABLE_AUDIO_COUNTER_3_ISR;
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DISABLE_AUDIO_COUNTER_3_ISR;
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// Cancel note if a note is playing
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if (playing_note)
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stop_all_notes();
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// Cancel note if a note is playing
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if (playing_note)
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stop_all_notes();
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playing_notes = true;
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playing_notes = true;
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notes_pointer = np;
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notes_count = n_count;
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notes_repeat = n_repeat;
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notes_rest = n_rest;
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notes_pointer = np;
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notes_count = n_count;
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notes_repeat = n_repeat;
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notes_rest = n_rest;
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place = 0;
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current_note = 0;
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place = 0;
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current_note = 0;
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note_frequency = (*notes_pointer)[current_note][0];
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note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
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note_position = 0;
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note_position = 0;
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ENABLE_AUDIO_COUNTER_3_ISR;
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ENABLE_AUDIO_COUNTER_3_OUTPUT;
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}
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}
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}
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bool is_playing_notes(void) {
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return playing_notes;
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return playing_notes;
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}
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bool is_audio_on(void) {
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