+/* 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>
#include <avr/io.h>
#include "print.h"
#include "audio.h"
-#include "keymap_common.h"
+#include "keymap.h"
#include "eeconfig.h"
#define CPU_PRESCALER 8
-
// Timer Abstractions
// TIMSK3 - Timer/Counter #3 Interrupt Mask Register
#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;
-uint8_t current_note = 0;
-uint8_t rest_counter = 0;
+uint16_t current_note = 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;
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;
}
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;
}
}
#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
// 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;
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();
}
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);
// 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) {
}
}
-
//------------------------------------------------------------------------------
// 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() {}
//------------------------------------------------------------------------------
projects / qmk_firmware.git / blobdiff