summaryrefslogtreecommitdiff
path: root/quantum/audio/audio_arm.c
diff options
context:
space:
mode:
Diffstat (limited to 'quantum/audio/audio_arm.c')
-rw-r--r--quantum/audio/audio_arm.c881
1 files changed, 406 insertions, 475 deletions
diff --git a/quantum/audio/audio_arm.c b/quantum/audio/audio_arm.c
index 5a9d03686a..7ef02ebaae 100644
--- a/quantum/audio/audio_arm.c
+++ b/quantum/audio/audio_arm.c
@@ -26,44 +26,44 @@
// -----------------------------------------------------------------------------
-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;
systime_t last_note_played_at;
-virtual_timer_t play_note_timer;
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;
-bool dac_on = true;
+int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+bool sliding = false;
+bool dac_on = true;
+virtual_timer_t play_note_timer;
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;
@@ -73,10 +73,10 @@ 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
float startup_song[][2] = STARTUP_SONG;
@@ -88,7 +88,7 @@ static void shutoff_dac_callback(void *arg);
#define PLAY_NOTE_TIMEOUT MS2ST(5)
#define DAC_BUFFER_SIZE 100
#ifndef DAC_SAMPLE_MAX
-#define DAC_SAMPLE_MAX 65535U
+# define DAC_SAMPLE_MAX 65535U
#endif
#define START_CHANNEL_1() dacStart(&DACD1, &dac1cfg1); \
@@ -99,22 +99,26 @@ static void shutoff_dac_callback(void *arg);
gptStart(&GPTD6, &gpt6cfg1); \
gptStartContinuous(&GPTD6, 2U); \
palSetPadMode(GPIOA, 5, PAL_MODE_INPUT_ANALOG);
-#define START_CHANNEL_2() gptStart(&GPTD7, &gpt7cfg1); \
+#define START_CHANNEL_2() \
+ gptStart(&GPTD7, &gpt7cfg1); \
gptStartContinuous(&GPTD7, 2U)
#define STOP_CHANNEL_1() gptStopTimer(&GPTD6)
#define STOP_CHANNEL_2() gptStopTimer(&GPTD7)
-#define RESTART_CHANNEL_1() STOP_CHANNEL_1(); \
+#define RESTART_CHANNEL_1() \
+ STOP_CHANNEL_1(); \
START_CHANNEL_1()
-#define RESTART_CHANNEL_2() STOP_CHANNEL_2(); \
+#define RESTART_CHANNEL_2() \
+ STOP_CHANNEL_2(); \
START_CHANNEL_2()
-#define UPDATE_CHANNEL_1_FREQ(freq) gpt6cfg1.frequency = freq * DAC_BUFFER_SIZE; \
+#define UPDATE_CHANNEL_1_FREQ(freq) \
+ gpt6cfg1.frequency = freq * DAC_BUFFER_SIZE; \
RESTART_CHANNEL_1()
-#define UPDATE_CHANNEL_2_FREQ(freq) gpt7cfg1.frequency = freq * DAC_BUFFER_SIZE; \
+#define UPDATE_CHANNEL_2_FREQ(freq) \
+ gpt7cfg1.frequency = freq * DAC_BUFFER_SIZE; \
RESTART_CHANNEL_2()
#define GET_CHANNEL_1_FREQ (uint16_t)(gpt6cfg1.frequency * DAC_BUFFER_SIZE)
#define GET_CHANNEL_2_FREQ (uint16_t)(gpt7cfg1.frequency * DAC_BUFFER_SIZE)
-
/*
* GPT6 configuration.
*/
@@ -125,27 +129,20 @@ static void shutoff_dac_callback(void *arg);
// .dier = 0U
// };
-GPTConfig gpt6cfg1 = {
- .frequency = 440U*DAC_BUFFER_SIZE,
- .callback = NULL,
- .cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
- .dier = 0U
-};
-
-GPTConfig gpt7cfg1 = {
- .frequency = 440U*DAC_BUFFER_SIZE,
- .callback = NULL,
- .cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
- .dier = 0U
-};
+GPTConfig gpt6cfg1 = {.frequency = 440U * DAC_BUFFER_SIZE,
+ .callback = NULL,
+ .cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
+ .dier = 0U};
-GPTConfig gpt8cfg1 = {
- .frequency = 10,
- .callback = gpt_cb8,
- .cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
- .dier = 0U
-};
+GPTConfig gpt7cfg1 = {.frequency = 440U * DAC_BUFFER_SIZE,
+ .callback = NULL,
+ .cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
+ .dier = 0U};
+GPTConfig gpt8cfg1 = {.frequency = 10,
+ .callback = gpt_cb8,
+ .cr2 = TIM_CR2_MMS_1, /* MMS = 010 = TRGO on Update Event. */
+ .dier = 0U};
/*
* DAC test buffer (sine wave).
@@ -218,124 +215,101 @@ GPTConfig gpt8cfg1 = {
// squarewave
static const dacsample_t dac_buffer[DAC_BUFFER_SIZE] = {
- // First half is max, second half is 0
- [0 ... DAC_BUFFER_SIZE/2-1] = DAC_SAMPLE_MAX,
- [DAC_BUFFER_SIZE/2 ... DAC_BUFFER_SIZE -1] = 0,
+ // First half is max, second half is 0
+ [0 ... DAC_BUFFER_SIZE / 2 - 1] = DAC_SAMPLE_MAX,
+ [DAC_BUFFER_SIZE / 2 ... DAC_BUFFER_SIZE - 1] = 0,
};
// squarewave
static const dacsample_t dac_buffer_2[DAC_BUFFER_SIZE] = {
- // opposite of dac_buffer above
- [0 ... DAC_BUFFER_SIZE/2-1] = 0,
- [DAC_BUFFER_SIZE/2 ... DAC_BUFFER_SIZE -1] = DAC_SAMPLE_MAX,
+ // opposite of dac_buffer above
+ [0 ... DAC_BUFFER_SIZE / 2 - 1] = 0,
+ [DAC_BUFFER_SIZE / 2 ... DAC_BUFFER_SIZE - 1] = DAC_SAMPLE_MAX,
};
/*
* DAC streaming callback.
*/
-size_t nx = 0, ny = 0, nz = 0;
+size_t nx = 0, ny = 0, nz = 0;
static void end_cb1(DACDriver *dacp, dacsample_t *buffer, size_t n) {
+ (void)dacp;
- (void)dacp;
-
- nz++;
- if (dac_buffer == buffer) {
- nx += n;
- }
- else {
- ny += n;
- }
+ nz++;
+ if (dac_buffer == buffer) {
+ nx += n;
+ } else {
+ ny += n;
+ }
- if ((nz % 1000) == 0) {
- // palTogglePad(GPIOD, GPIOD_LED3);
- }
+ if ((nz % 1000) == 0) {
+ // palTogglePad(GPIOD, GPIOD_LED3);
+ }
}
/*
* DAC error callback.
*/
static void error_cb1(DACDriver *dacp, dacerror_t err) {
+ (void)dacp;
+ (void)err;
- (void)dacp;
- (void)err;
-
- chSysHalt("DAC failure");
+ chSysHalt("DAC failure");
}
-static const DACConfig dac1cfg1 = {
- .init = DAC_SAMPLE_MAX,
- .datamode = DAC_DHRM_12BIT_RIGHT
-};
+static const DACConfig dac1cfg1 = {.init = DAC_SAMPLE_MAX, .datamode = DAC_DHRM_12BIT_RIGHT};
-static const DACConversionGroup dacgrpcfg1 = {
- .num_channels = 1U,
- .end_cb = end_cb1,
- .error_cb = error_cb1,
- .trigger = DAC_TRG(0)
-};
+static const DACConversionGroup dacgrpcfg1 = {.num_channels = 1U, .end_cb = end_cb1, .error_cb = error_cb1, .trigger = DAC_TRG(0)};
-static const DACConfig dac1cfg2 = {
- .init = DAC_SAMPLE_MAX,
- .datamode = DAC_DHRM_12BIT_RIGHT
-};
+static const DACConfig dac1cfg2 = {.init = DAC_SAMPLE_MAX, .datamode = DAC_DHRM_12BIT_RIGHT};
-static const DACConversionGroup dacgrpcfg2 = {
- .num_channels = 1U,
- .end_cb = end_cb1,
- .error_cb = error_cb1,
- .trigger = DAC_TRG(0)
-};
+static const DACConversionGroup dacgrpcfg2 = {.num_channels = 1U, .end_cb = end_cb1, .error_cb = error_cb1, .trigger = DAC_TRG(0)};
void audio_init() {
+ if (audio_initialized) {
+ return;
+ }
- if (audio_initialized) {
- return;
- }
-
- // Check EEPROM
- #if defined(STM32_EEPROM_ENABLE) || defined(PROTOCOL_ARM_ATSAM) || defined(EEPROM_SIZE)
+// Check EEPROM
+#if defined(STM32_EEPROM_ENABLE) || defined(PROTOCOL_ARM_ATSAM) || defined(EEPROM_SIZE)
if (!eeconfig_is_enabled()) {
- eeconfig_init();
+ eeconfig_init();
}
audio_config.raw = eeconfig_read_audio();
-#else // ARM EEPROM
- audio_config.enable = true;
- #ifdef AUDIO_CLICKY_ON
+#else // ARM EEPROM
+ audio_config.enable = true;
+# ifdef AUDIO_CLICKY_ON
audio_config.clicky_enable = true;
- #endif
-#endif // ARM EEPROM
-
- /*
- * Starting DAC1 driver, setting up the output pin as analog as suggested
- * by the Reference Manual.
- */
- palSetPadMode(GPIOA, 4, PAL_MODE_INPUT_ANALOG);
- palSetPadMode(GPIOA, 5, PAL_MODE_INPUT_ANALOG);
- palSetPad(GPIOA, 5);
-
- dacStart(&DACD1, &dac1cfg1);
- dacStart(&DACD2, &dac1cfg2);
-
- /*
- * Starting GPT6/7 driver, it is used for triggering the DAC.
- */
- START_CHANNEL_1();
- START_CHANNEL_2();
-
- /*
- * Starting a continuous conversion.
- */
- dacStartConversion(&DACD1, &dacgrpcfg1, (dacsample_t *)dac_buffer, DAC_BUFFER_SIZE);
- dacStartConversion(&DACD2, &dacgrpcfg2, (dacsample_t *)dac_buffer_2, DAC_BUFFER_SIZE);
-
- audio_initialized = true;
-
- if (audio_config.enable) {
- PLAY_SONG(startup_song);
- } else {
- stop_all_notes();
- }
-
+# endif
+#endif // ARM EEPROM
+
+ /*
+ * Starting DAC1 driver, setting up the output pin as analog as suggested
+ * by the Reference Manual.
+ */
+ palSetPadMode(GPIOA, 4, PAL_MODE_INPUT_ANALOG);
+ palSetPadMode(GPIOA, 5, PAL_MODE_INPUT_ANALOG);
+ dacStart(&DACD1, &dac1cfg1);
+ dacStart(&DACD2, &dac1cfg2);
+
+ /*
+ * Starting GPT6/7 driver, it is used for triggering the DAC.
+ */
+ START_CHANNEL_1();
+ START_CHANNEL_2();
+
+ /*
+ * Starting a continuous conversion.
+ */
+ dacStartConversion(&DACD1, &dacgrpcfg1, (dacsample_t *)dac_buffer, DAC_BUFFER_SIZE);
+ dacStartConversion(&DACD2, &dacgrpcfg2, (dacsample_t *)dac_buffer_2, DAC_BUFFER_SIZE);
+
+ audio_initialized = true;
+
+ if (audio_config.enable) {
+ PLAY_SONG(startup_song);
+ } else {
+ stop_all_notes();
+ }
}
void stop_all_notes() {
@@ -351,284 +325,278 @@ void stop_all_notes() {
gptStopTimer(&GPTD8);
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) {
- dprintf("audio stop note freq=%d", (int)freq);
+ dprintf("audio stop note freq=%d", (int)freq);
- if (playing_note) {
- if (!audio_initialized) {
- audio_init();
- }
- for (int i = 7; i >= 0; i--) {
- if (frequencies[i] == freq) {
- frequencies[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;
+ if (playing_note) {
+ if (!audio_initialized) {
+ audio_init();
+ }
+ for (int i = 7; i >= 0; i--) {
+ if (frequencies[i] == freq) {
+ frequencies[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;
+ }
+ break;
+ }
+ }
+ voices--;
+ if (voices < 0) {
+ voices = 0;
+ }
+ if (voice_place >= voices) {
+ voice_place = 0;
+ }
+ if (voices == 0) {
+ STOP_CHANNEL_1();
+ STOP_CHANNEL_2();
+ gptStopTimer(&GPTD8);
+ frequency = 0;
+ frequency_alt = 0;
+ volume = 0;
+ playing_note = false;
}
- break;
- }
- }
- voices--;
- if (voices < 0) {
- voices = 0;
- }
- if (voice_place >= voices) {
- voice_place = 0;
- }
- if (voices == 0) {
- STOP_CHANNEL_1();
- STOP_CHANNEL_2();
- gptStopTimer(&GPTD8);
- frequency = 0;
- frequency_alt = 0;
- volume = 0;
- playing_note = false;
}
- }
}
#ifdef VIBRATO_ENABLE
float mod(float a, int b) {
- float r = fmod(a, b);
- return r < 0 ? r + b : r;
+ float r = fmod(a, b);
+ return r < 0 ? r + b : r;
}
float vibrato(float average_freq) {
- #ifdef VIBRATO_STRENGTH_ENABLE
+# ifdef VIBRATO_STRENGTH_ENABLE
float vibrated_freq = average_freq * pow(vibrato_lut[(int)vibrato_counter], vibrato_strength);
- #else
+# 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
+ vibrato_counter = mod((vibrato_counter + vibrato_rate * (1.0 + 440.0 / average_freq)), VIBRATO_LUT_LENGTH);
+ return vibrated_freq;
}
#endif
static void gpt_cb8(GPTDriver *gptp) {
- float freq;
-
- if (playing_note) {
- last_note_played_at = chVTGetSystemTime();
- chVTReset(&play_note_timer);
- chVTSet(&play_note_timer, PLAY_NOTE_TIMEOUT, shutoff_dac_callback, NULL);
- if (voices > 0) {
-
- 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];
- }
- } else {
- frequency_alt = frequencies[voices - 2];
- }
+ float freq;
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq_alt = vibrato(frequency_alt);
- } else {
- freq_alt = frequency_alt;
- }
- #else
- freq_alt = frequency_alt;
- #endif
- }
+ if (playing_note) {
+ last_note_played_at = chVTGetSystemTime();
+ chVTReset(&play_note_timer);
+ chVTSet(&play_note_timer, PLAY_NOTE_TIMEOUT, shutoff_dac_callback, NULL);
+ if (voices > 0) {
+ 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];
+ }
+ } 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);
- if (GET_CHANNEL_2_FREQ != (uint16_t)freq_alt) {
- UPDATE_CHANNEL_2_FREQ(freq_alt);
- } else {
- RESTART_CHANNEL_2();
- }
- //note_timbre;
- }
-
- if (polyphony_rate > 0) {
- if (voices > 1) {
- voice_place %= voices;
- if (place++ > (frequencies[voice_place] / polyphony_rate)) {
- voice_place = (voice_place + 1) % voices;
- place = 0.0;
- }
- }
+ if (freq_alt < 30.517578125) {
+ freq_alt = 30.52;
+ }
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequencies[voice_place]);
- } else {
- freq = frequencies[voice_place];
- }
- #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);
- } else {
- frequency = frequencies[voices - 1];
- }
- } else {
- frequency = frequencies[voices - 1];
- }
+ if (GET_CHANNEL_2_FREQ != (uint16_t)freq_alt) {
+ UPDATE_CHANNEL_2_FREQ(freq_alt);
+ } else {
+ RESTART_CHANNEL_2();
+ }
+ // note_timbre;
+ }
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(frequency);
- } else {
- freq = frequency;
- }
- #else
- freq = frequency;
- #endif
- }
+ if (polyphony_rate > 0) {
+ if (voices > 1) {
+ voice_place %= voices;
+ if (place++ > (frequencies[voice_place] / polyphony_rate)) {
+ voice_place = (voice_place + 1) % voices;
+ place = 0.0;
+ }
+ }
- if (envelope_index < 65535) {
- envelope_index++;
- }
+#ifdef VIBRATO_ENABLE
+ if (vibrato_strength > 0) {
+ freq = vibrato(frequencies[voice_place]);
+ } else {
+ freq = frequencies[voice_place];
+ }
+#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);
+ } else {
+ frequency = frequencies[voices - 1];
+ }
+ } else {
+ frequency = frequencies[voices - 1];
+ }
- freq = voice_envelope(freq);
+#ifdef VIBRATO_ENABLE
+ if (vibrato_strength > 0) {
+ freq = vibrato(frequency);
+ } else {
+ freq = frequency;
+ }
+#else
+ freq = frequency;
+#endif
+ }
- if (freq < 30.517578125) {
- freq = 30.52;
- }
+ if (envelope_index < 65535) {
+ envelope_index++;
+ }
+ freq = voice_envelope(freq);
- if (GET_CHANNEL_1_FREQ != (uint16_t)freq) {
- UPDATE_CHANNEL_1_FREQ(freq);
- } else {
- RESTART_CHANNEL_1();
- }
- //note_timbre;
- }
- }
+ if (freq < 30.517578125) {
+ freq = 30.52;
+ }
- if (playing_notes) {
- last_note_played_at = chVTGetSystemTime();
- if (note_frequency > 0) {
- #ifdef VIBRATO_ENABLE
- if (vibrato_strength > 0) {
- freq = vibrato(note_frequency);
- } else {
- freq = note_frequency;
+ if (GET_CHANNEL_1_FREQ != (uint16_t)freq) {
+ UPDATE_CHANNEL_1_FREQ(freq);
+ } else {
+ RESTART_CHANNEL_1();
+ }
+ // note_timbre;
}
- #else
- freq = note_frequency;
- #endif
-
- if (envelope_index < 65535) {
- envelope_index++;
- }
- freq = voice_envelope(freq);
-
-
- if (GET_CHANNEL_1_FREQ != (uint16_t)freq) {
- UPDATE_CHANNEL_1_FREQ(freq);
- UPDATE_CHANNEL_2_FREQ(freq);
- }
- //note_timbre;
- } else {
- // gptStopTimer(&GPTD6);
- // gptStopTimer(&GPTD7);
}
- note_position++;
- bool end_of_note = false;
- if (GET_CHANNEL_1_FREQ > 0) {
- if (!note_resting)
- end_of_note = (note_position >= (note_length*8 - 1));
- else
- end_of_note = (note_position >= (note_length*8));
- } else {
- end_of_note = (note_position >= (note_length*8));
- }
+ if (playing_notes) {
+ last_note_played_at = chVTGetSystemTime();
+ if (note_frequency > 0) {
+#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);
- if (end_of_note) {
- current_note++;
- if (current_note >= notes_count) {
- if (notes_repeat) {
- current_note = 0;
+ if (GET_CHANNEL_1_FREQ != (uint16_t)freq) {
+ UPDATE_CHANNEL_1_FREQ(freq);
+ UPDATE_CHANNEL_2_FREQ(freq);
+ }
+ // note_timbre;
} else {
- STOP_CHANNEL_1();
- STOP_CHANNEL_2();
- // gptStopTimer(&GPTD8);
- playing_notes = false;
- return;
+ // gptStopTimer(&GPTD6);
+ // gptStopTimer(&GPTD7);
}
- }
- if (!note_resting) {
- note_resting = true;
- current_note--;
- if ((*notes_pointer)[current_note][0] == (*notes_pointer)[current_note + 1][0]) {
- note_frequency = 0;
- note_length = 1;
+
+ note_position++;
+ bool end_of_note = false;
+ if (GET_CHANNEL_1_FREQ > 0) {
+ if (!note_resting)
+ end_of_note = (note_position >= (note_length * 8 - 1));
+ else
+ end_of_note = (note_position >= (note_length * 8));
} else {
- note_frequency = (*notes_pointer)[current_note][0];
- note_length = 1;
+ end_of_note = (note_position >= (note_length * 8));
}
- } else {
- 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_position = 0;
+ if (end_of_note) {
+ current_note++;
+ if (current_note >= notes_count) {
+ if (notes_repeat) {
+ current_note = 0;
+ } else {
+ STOP_CHANNEL_1();
+ STOP_CHANNEL_2();
+ // gptStopTimer(&GPTD8);
+ playing_notes = false;
+ return;
+ }
+ }
+ if (!note_resting) {
+ note_resting = true;
+ current_note--;
+ if ((*notes_pointer)[current_note][0] == (*notes_pointer)[current_note + 1][0]) {
+ note_frequency = 0;
+ note_length = 1;
+ } else {
+ note_frequency = (*notes_pointer)[current_note][0];
+ note_length = 1;
+ }
+ } else {
+ 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_position = 0;
+ }
}
- }
- if (!audio_config.enable) {
- playing_notes = false;
- playing_note = false;
- }
+ if (!audio_config.enable) {
+ playing_notes = false;
+ playing_note = false;
+ }
- if(should_shutoff_dac()) {
- shutoff_dac();
- }
+ if(should_shutoff_dac()) {
+ shutoff_dac();
+ }
}
-bool should_shutoff_dac() {
- return ST2MS(chVTTimeElapsedSinceX(last_note_played_at)) > 5 && dac_on;
-}
+bool should_shutoff_dac() { return ST2MS(chVTTimeElapsedSinceX(last_note_played_at)) > 5 && dac_on; }
void shutoff_dac() {
- dacStopConversion(&DACD2);
- dacStop(&DACD2);
- palSetPadMode(GPIOA, 5, PAL_MODE_OUTPUT_PUSHPULL );
- palSetPad(GPIOA, 5);
- dac_on = false;
+ dacStopConversion(&DACD2);
+ dacStop(&DACD2);
+ palSetPadMode(GPIOA, 5, PAL_MODE_OUTPUT_PUSHPULL );
+ palSetPad(GPIOA, 5);
+ dac_on = false;
}
void shutoff_dac_callback(void *args) {
@@ -638,177 +606,140 @@ void shutoff_dac_callback(void *args) {
}
void play_note(float freq, int vol) {
+ dprintf("audio play note freq=%d vol=%d", (int)freq, vol);
- dprintf("audio play note freq=%d vol=%d", (int)freq, vol);
-
- if (!audio_initialized) {
- audio_init();
- }
-
- if (audio_config.enable && voices < 8) {
-
- // Cancel notes if notes are playing
- if (playing_notes) {
- stop_all_notes();
+ if (!audio_initialized) {
+ audio_init();
}
- playing_note = true;
+ if (audio_config.enable && voices < 8) {
+ // Cancel notes if notes are playing
+ if (playing_notes) {
+ stop_all_notes();
+ }
- envelope_index = 0;
+ playing_note = true;
- if (freq > 0) {
- frequencies[voices] = freq;
- volumes[voices] = vol;
- voices++;
- }
+ envelope_index = 0;
- gptStart(&GPTD8, &gpt8cfg1);
- gptStartContinuous(&GPTD8, 2U);
- RESTART_CHANNEL_1();
- RESTART_CHANNEL_2();
- chVTReset(&play_note_timer);
- chVTSet(&play_note_timer, PLAY_NOTE_TIMEOUT, shutoff_dac_callback, NULL);
- }
+ if (freq > 0) {
+ frequencies[voices] = freq;
+ volumes[voices] = vol;
+ voices++;
+ }
+ gptStart(&GPTD8, &gpt8cfg1);
+ gptStartContinuous(&GPTD8, 2U);
+ RESTART_CHANNEL_1();
+ RESTART_CHANNEL_2();
+ chVTReset(&play_note_timer);
+ chVTSet(&play_note_timer, PLAY_NOTE_TIMEOUT, shutoff_dac_callback, NULL);
+ }
}
void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat) {
-
- if (!audio_initialized) {
- audio_init();
- }
-
- if (audio_config.enable) {
-
- // Cancel note if a note is playing
- if (playing_note) {
- stop_all_notes();
+ if (!audio_initialized) {
+ audio_init();
}
- playing_notes = true;
+ if (audio_config.enable) {
+ // Cancel note if a note is playing
+ if (playing_note) {
+ stop_all_notes();
+ }
+
+ playing_notes = true;
- notes_pointer = np;
- notes_count = n_count;
- notes_repeat = n_repeat;
+ notes_pointer = np;
+ notes_count = n_count;
+ notes_repeat = n_repeat;
- place = 0;
- current_note = 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_frequency = (*notes_pointer)[current_note][0];
+ note_length = ((*notes_pointer)[current_note][1] / 4) * (((float)note_tempo) / 100);
+ note_position = 0;
- gptStart(&GPTD8, &gpt8cfg1);
- gptStartContinuous(&GPTD8, 2U);
- RESTART_CHANNEL_1();
- RESTART_CHANNEL_2();
- }
+ gptStart(&GPTD8, &gpt8cfg1);
+ gptStartContinuous(&GPTD8, 2U);
+ RESTART_CHANNEL_1();
+ RESTART_CHANNEL_2();
+ }
}
-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();
- }
+ audio_config.enable ^= 1;
+ eeconfig_update_audio(audio_config.raw);
+ if (audio_config.enable) {
+ audio_on_user();
+ }
}
void audio_on(void) {
- audio_config.enable = 1;
- eeconfig_update_audio(audio_config.raw);
- audio_on_user();
+ audio_config.enable = 1;
+ eeconfig_update_audio(audio_config.raw);
+ audio_on_user();
}
void audio_off(void) {
- stop_all_notes();
- audio_config.enable = 0;
- eeconfig_update_audio(audio_config.raw);
+ stop_all_notes();
+ audio_config.enable = 0;
+ eeconfig_update_audio(audio_config.raw);
}
#ifdef VIBRATO_ENABLE
// 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) {
- note_tempo = 10;
- } else {
- note_tempo -= tempo_change;
- }
+ if (note_tempo - tempo_change < 10) {
+ note_tempo = 10;
+ } else {
+ note_tempo -= tempo_change;
+ }
}