diff options
Diffstat (limited to 'quantum/audio/audio_pwm.c')
| -rw-r--r-- | quantum/audio/audio_pwm.c | 637 |
1 files changed, 287 insertions, 350 deletions
diff --git a/quantum/audio/audio_pwm.c b/quantum/audio/audio_pwm.c index ed6713609..545aef6dd 100644 --- a/quantum/audio/audio_pwm.c +++ b/quantum/audio/audio_pwm.c @@ -29,7 +29,6 @@ #define CPU_PRESCALER 8 - // Timer Abstractions // TIMSK3 - Timer/Counter #3 Interrupt Mask Register @@ -37,70 +36,67 @@ #define ENABLE_AUDIO_COUNTER_3_ISR TIMSK3 |= _BV(OCIE3A) #define DISABLE_AUDIO_COUNTER_3_ISR TIMSK3 &= ~_BV(OCIE3A) - // TCCR3A: Timer/Counter #3 Control Register // Compare Output Mode (COM3An) = 0b00 = Normal port operation, OC3A disconnected from PC6 #define ENABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A |= _BV(COM3A1); #define DISABLE_AUDIO_COUNTER_3_OUTPUT TCCR3A &= ~(_BV(COM3A1) | _BV(COM3A0)); - #define NOTE_PERIOD ICR3 #define NOTE_DUTY_CYCLE OCR3A - #ifdef PWM_AUDIO - #include "wave.h" - #define SAMPLE_DIVIDER 39 - #define SAMPLE_RATE (2000000.0/SAMPLE_DIVIDER/2048) - // Resistor value of 1/ (2 * PI * 10nF * (2000000 hertz / SAMPLE_DIVIDER / 10)) for 10nF cap - - float places[8] = {0, 0, 0, 0, 0, 0, 0, 0}; - uint16_t place_int = 0; - bool repeat = true; +# include "wave.h" +# define SAMPLE_DIVIDER 39 +# define SAMPLE_RATE (2000000.0 / SAMPLE_DIVIDER / 2048) +// Resistor value of 1/ (2 * PI * 10nF * (2000000 hertz / SAMPLE_DIVIDER / 10)) for 10nF cap + +float places[8] = {0, 0, 0, 0, 0, 0, 0, 0}; +uint16_t place_int = 0; +bool repeat = true; #endif void delay_us(int count) { - while(count--) { - _delay_us(1); - } + while (count--) { + _delay_us(1); + } } -int voices = 0; -int voice_place = 0; -float frequency = 0; -int volume = 0; -long position = 0; +int voices = 0; +int voice_place = 0; +float frequency = 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; // float freq = 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; float notes_rest; 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; @@ -112,50 +108,49 @@ audio_config_t audio_config; uint16_t envelope_index = 0; void audio_init() { - // Check EEPROM - if (!eeconfig_is_enabled()) - { + if (!eeconfig_is_enabled()) { eeconfig_init(); } audio_config.raw = eeconfig_read_audio(); - #ifdef PWM_AUDIO +#ifdef PWM_AUDIO - PLLFRQ = _BV(PDIV2); - PLLCSR = _BV(PLLE); - while(!(PLLCSR & _BV(PLOCK))); - PLLFRQ |= _BV(PLLTM0); /* PCK 48MHz */ + PLLFRQ = _BV(PDIV2); + PLLCSR = _BV(PLLE); + while (!(PLLCSR & _BV(PLOCK))) + ; + PLLFRQ |= _BV(PLLTM0); /* PCK 48MHz */ - /* Init a fast PWM on Timer4 */ - TCCR4A = _BV(COM4A0) | _BV(PWM4A); /* Clear OC4A on Compare Match */ - TCCR4B = _BV(CS40); /* No prescaling => f = PCK/256 = 187500Hz */ - OCR4A = 0; + /* Init a fast PWM on Timer4 */ + TCCR4A = _BV(COM4A0) | _BV(PWM4A); /* Clear OC4A on Compare Match */ + TCCR4B = _BV(CS40); /* No prescaling => f = PCK/256 = 187500Hz */ + OCR4A = 0; - /* Enable the OC4A output */ - DDRC |= _BV(PORTC6); + /* Enable the OC4A output */ + DDRC |= _BV(PORTC6); - DISABLE_AUDIO_COUNTER_3_ISR; // Turn off 3A interputs + DISABLE_AUDIO_COUNTER_3_ISR; // Turn off 3A interputs - TCCR3A = 0x0; // Options not needed - TCCR3B = _BV(CS31) | _BV(CS30) | _BV(WGM32); // 64th prescaling and CTC - OCR3A = SAMPLE_DIVIDER - 1; // Correct count/compare, related to sample playback + TCCR3A = 0x0; // Options not needed + TCCR3B = _BV(CS31) | _BV(CS30) | _BV(WGM32); // 64th prescaling and CTC + OCR3A = SAMPLE_DIVIDER - 1; // Correct count/compare, related to sample playback - #else +#else - // Set port PC6 (OC3A and /OC4A) as output - DDRC |= _BV(PORTC6); + // Set port PC6 (OC3A and /OC4A) as output + DDRC |= _BV(PORTC6); - DISABLE_AUDIO_COUNTER_3_ISR; + DISABLE_AUDIO_COUNTER_3_ISR; - // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers - // 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) - // Clock Select (CS3n) = 0b010 = Clock / 8 - TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30); - TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30); + // TCCR3A / TCCR3B: Timer/Counter #3 Control Registers + // 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) + // Clock Select (CS3n) = 0b010 = Clock / 8 + TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30); + TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30); - #endif +#endif audio_initialized = true; } @@ -165,62 +160,59 @@ void stop_all_notes() { audio_init(); } voices = 0; - #ifdef PWM_AUDIO - DISABLE_AUDIO_COUNTER_3_ISR; - #else - DISABLE_AUDIO_COUNTER_3_ISR; - DISABLE_AUDIO_COUNTER_3_OUTPUT; - #endif +#ifdef PWM_AUDIO + DISABLE_AUDIO_COUNTER_3_ISR; +#else + DISABLE_AUDIO_COUNTER_3_ISR; + DISABLE_AUDIO_COUNTER_3_OUTPUT; +#endif playing_notes = false; - playing_note = false; - frequency = 0; - volume = 0; + playing_note = false; + frequency = 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) { if (playing_note) { if (!audio_initialized) { audio_init(); } - #ifdef PWM_AUDIO - freq = freq / SAMPLE_RATE; - #endif +#ifdef PWM_AUDIO + freq = freq / SAMPLE_RATE; +#endif 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 PWM_AUDIO - DISABLE_AUDIO_COUNTER_3_ISR; - #else - DISABLE_AUDIO_COUNTER_3_ISR; - DISABLE_AUDIO_COUNTER_3_OUTPUT; - #endif - frequency = 0; - volume = 0; +#ifdef PWM_AUDIO + DISABLE_AUDIO_COUNTER_3_ISR; +#else + DISABLE_AUDIO_COUNTER_3_ISR; + DISABLE_AUDIO_COUNTER_3_OUTPUT; +#endif + frequency = 0; + volume = 0; playing_note = false; } } @@ -228,126 +220,120 @@ void stop_note(float freq) #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 -ISR(TIMER3_COMPA_vect) -{ +ISR(TIMER3_COMPA_vect) { if (playing_note) { - #ifdef PWM_AUDIO - if (voices == 1) { +#ifdef PWM_AUDIO + if (voices == 1) { + // SINE + OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 2; + + // SQUARE + // if (((int)place) >= 1024){ + // OCR4A = 0xFF >> 2; + // } else { + // OCR4A = 0x00; + // } + + // SAWTOOTH + // OCR4A = (int)place / 4; + + // TRIANGLE + // if (((int)place) >= 1024) { + // OCR4A = (int)place / 2; + // } else { + // OCR4A = 2048 - (int)place / 2; + // } + + place += frequency; + + if (place >= SINE_LENGTH) place -= SINE_LENGTH; + + } else { + int sum = 0; + for (int i = 0; i < voices; i++) { // SINE - OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 2; + sum += pgm_read_byte(&sinewave[(uint16_t)places[i]]) >> 2; // SQUARE - // if (((int)place) >= 1024){ - // OCR4A = 0xFF >> 2; + // if (((int)places[i]) >= 1024){ + // sum += 0xFF >> 2; // } else { - // OCR4A = 0x00; + // sum += 0x00; // } - // SAWTOOTH - // OCR4A = (int)place / 4; - - // TRIANGLE - // if (((int)place) >= 1024) { - // OCR4A = (int)place / 2; - // } else { - // OCR4A = 2048 - (int)place / 2; - // } + places[i] += frequencies[i]; - place += frequency; - - if (place >= SINE_LENGTH) - place -= SINE_LENGTH; - - } else { - int sum = 0; - for (int i = 0; i < voices; i++) { - // SINE - sum += pgm_read_byte(&sinewave[(uint16_t)places[i]]) >> 2; - - // SQUARE - // if (((int)places[i]) >= 1024){ - // sum += 0xFF >> 2; - // } else { - // sum += 0x00; - // } - - places[i] += frequencies[i]; - - if (places[i] >= SINE_LENGTH) - places[i] -= SINE_LENGTH; - } - OCR4A = sum; + if (places[i] >= SINE_LENGTH) places[i] -= SINE_LENGTH; } - #else - if (voices > 0) { - float freq; - 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 { - #else - { - #endif - freq = frequencies[voice_place]; + OCR4A = sum; + } +#else + if (voices > 0) { + float freq; + 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 { - 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]; - } - - - #ifdef VIBRATO_ENABLE - if (vibrato_strength > 0) { - freq = vibrato(frequency); - } else { - #else - { - #endif - freq = frequency; - } +# else + { +# endif + freq = frequencies[voice_place]; + } + } 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 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]; } - if (envelope_index < 65535) { - envelope_index++; +# ifdef VIBRATO_ENABLE + if (vibrato_strength > 0) { + freq = vibrato(frequency); + } else { +# else + { +# endif + freq = frequency; } - freq = voice_envelope(freq); + } - if (freq < 30.517578125) - freq = 30.52; - NOTE_PERIOD = (int)(((double)F_CPU) / (freq * CPU_PRESCALER)); // Set max to the period - NOTE_DUTY_CYCLE = (int)((((double)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); // Set compare to half the period + if (envelope_index < 65535) { + envelope_index++; } - #endif + freq = voice_envelope(freq); + + if (freq < 30.517578125) freq = 30.52; + NOTE_PERIOD = (int)(((double)F_CPU) / (freq * CPU_PRESCALER)); // Set max to the period + NOTE_DUTY_CYCLE = (int)((((double)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); // Set compare to half the period + } +#endif } // SAMPLE @@ -361,41 +347,38 @@ ISR(TIMER3_COMPA_vect) // else // DISABLE_AUDIO_COUNTER_3_ISR; - if (playing_notes) { - #ifdef PWM_AUDIO - OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 0; - - place += note_frequency; - if (place >= SINE_LENGTH) - place -= SINE_LENGTH; - #else - if (note_frequency > 0) { - float freq; - - #ifdef VIBRATO_ENABLE - if (vibrato_strength > 0) { - freq = vibrato(note_frequency); - } else { - #else - { - #endif - freq = note_frequency; - } +#ifdef PWM_AUDIO + OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 0; - if (envelope_index < 65535) { - envelope_index++; - } - freq = voice_envelope(freq); + place += note_frequency; + if (place >= SINE_LENGTH) place -= SINE_LENGTH; +#else + if (note_frequency > 0) { + float freq; - NOTE_PERIOD = (int)(((double)F_CPU) / (freq * CPU_PRESCALER)); // Set max to the period - NOTE_DUTY_CYCLE = (int)((((double)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); // Set compare to half the period +# ifdef VIBRATO_ENABLE + if (vibrato_strength > 0) { + freq = vibrato(note_frequency); } else { - NOTE_PERIOD = 0; - NOTE_DUTY_CYCLE = 0; +# else + { +# endif + freq = note_frequency; } - #endif + if (envelope_index < 65535) { + envelope_index++; + } + freq = voice_envelope(freq); + + NOTE_PERIOD = (int)(((double)F_CPU) / (freq * CPU_PRESCALER)); // Set max to the period + NOTE_DUTY_CYCLE = (int)((((double)F_CPU) / (freq * CPU_PRESCALER)) * note_timbre); // Set compare to half the period + } else { + NOTE_PERIOD = 0; + NOTE_DUTY_CYCLE = 0; + } +#endif note_position++; bool end_of_note = false; @@ -409,126 +392,116 @@ ISR(TIMER3_COMPA_vect) if (notes_repeat) { current_note = 0; } else { - #ifdef PWM_AUDIO - DISABLE_AUDIO_COUNTER_3_ISR; - #else - DISABLE_AUDIO_COUNTER_3_ISR; - DISABLE_AUDIO_COUNTER_3_OUTPUT; - #endif +#ifdef PWM_AUDIO + DISABLE_AUDIO_COUNTER_3_ISR; +#else + DISABLE_AUDIO_COUNTER_3_ISR; + DISABLE_AUDIO_COUNTER_3_OUTPUT; +#endif playing_notes = false; return; } } if (!note_resting && (notes_rest > 0)) { - note_resting = true; + note_resting = true; note_frequency = 0; - note_length = notes_rest; + note_length = notes_rest; current_note--; } else { note_resting = false; - #ifdef PWM_AUDIO - note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE; - note_length = (*notes_pointer)[current_note][1] * (((float)note_tempo) / 100); - #else - envelope_index = 0; - note_frequency = (*notes_pointer)[current_note][0]; - note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100); - #endif +#ifdef PWM_AUDIO + note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE; + note_length = (*notes_pointer)[current_note][1] * (((float)note_tempo) / 100); +#else + envelope_index = 0; + note_frequency = (*notes_pointer)[current_note][0]; + note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100); +#endif } note_position = 0; } - } if (!audio_config.enable) { playing_notes = false; - playing_note = false; + playing_note = false; } } void play_note(float freq, int vol) { - if (!audio_initialized) { audio_init(); } - if (audio_config.enable && voices < 8) { - DISABLE_AUDIO_COUNTER_3_ISR; - - // Cancel notes if notes are playing - if (playing_notes) - stop_all_notes(); + if (audio_config.enable && voices < 8) { + DISABLE_AUDIO_COUNTER_3_ISR; - playing_note = true; + // Cancel notes if notes are playing + if (playing_notes) stop_all_notes(); - envelope_index = 0; + playing_note = true; - #ifdef PWM_AUDIO - freq = freq / SAMPLE_RATE; - #endif - if (freq > 0) { - frequencies[voices] = freq; - volumes[voices] = vol; - voices++; - } + envelope_index = 0; - #ifdef PWM_AUDIO - ENABLE_AUDIO_COUNTER_3_ISR; - #else - ENABLE_AUDIO_COUNTER_3_ISR; - ENABLE_AUDIO_COUNTER_3_OUTPUT; - #endif - } +#ifdef PWM_AUDIO + freq = freq / SAMPLE_RATE; +#endif + if (freq > 0) { + frequencies[voices] = freq; + volumes[voices] = vol; + voices++; + } +#ifdef PWM_AUDIO + ENABLE_AUDIO_COUNTER_3_ISR; +#else + ENABLE_AUDIO_COUNTER_3_ISR; + ENABLE_AUDIO_COUNTER_3_OUTPUT; +#endif + } } -void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest) -{ - +void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest) { if (!audio_initialized) { audio_init(); } - if (audio_config.enable) { - - DISABLE_AUDIO_COUNTER_3_ISR; - - // Cancel note if a note is playing - if (playing_note) - stop_all_notes(); - - playing_notes = true; + if (audio_config.enable) { + DISABLE_AUDIO_COUNTER_3_ISR; - notes_pointer = np; - notes_count = n_count; - notes_repeat = n_repeat; - notes_rest = n_rest; + // Cancel note if a note is playing + if (playing_note) stop_all_notes(); - place = 0; - current_note = 0; + playing_notes = true; - #ifdef PWM_AUDIO - note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE; - note_length = (*notes_pointer)[current_note][1] * (((float)note_tempo) / 100); - #else - note_frequency = (*notes_pointer)[current_note][0]; - note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100); - #endif - note_position = 0; + notes_pointer = np; + notes_count = n_count; + notes_repeat = n_repeat; + notes_rest = n_rest; + place = 0; + current_note = 0; - #ifdef PWM_AUDIO - ENABLE_AUDIO_COUNTER_3_ISR; - #else - ENABLE_AUDIO_COUNTER_3_ISR; - ENABLE_AUDIO_COUNTER_3_OUTPUT; - #endif - } +#ifdef PWM_AUDIO + note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE; + note_length = (*notes_pointer)[current_note][1] * (((float)note_tempo) / 100); +#else + note_frequency = (*notes_pointer)[current_note][0]; + note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100); +#endif + note_position = 0; +#ifdef PWM_AUDIO + ENABLE_AUDIO_COUNTER_3_ISR; +#else + ENABLE_AUDIO_COUNTER_3_ISR; + ENABLE_AUDIO_COUNTER_3_OUTPUT; +#endif + } } #ifdef PWM_AUDIO -void play_sample(uint8_t * s, uint16_t l, bool r) { +void play_sample(uint8_t* s, uint16_t l, bool r) { if (!audio_initialized) { audio_init(); } @@ -536,17 +509,16 @@ void play_sample(uint8_t * s, uint16_t l, bool r) { if (audio_config.enable) { DISABLE_AUDIO_COUNTER_3_ISR; stop_all_notes(); - place_int = 0; - sample = s; + place_int = 0; + sample = s; sample_length = l; - repeat = r; + repeat = r; ENABLE_AUDIO_COUNTER_3_ISR; } } #endif - void audio_toggle(void) { audio_config.enable ^= 1; eeconfig_update_audio(audio_config.raw); @@ -566,73 +538,45 @@ 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) { @@ -642,17 +586,10 @@ void increase_tempo(uint8_t tempo_change) { } } - //------------------------------------------------------------------------------ // Override these functions in your keymap file to play different tunes on // startup and bootloader jump -__attribute__ ((weak)) -void play_startup_tone() -{ -} +__attribute__((weak)) void play_startup_tone() {} -__attribute__ ((weak)) -void play_goodbye_tone() -{ -} +__attribute__((weak)) void play_goodbye_tone() {} //------------------------------------------------------------------------------ |