summaryrefslogtreecommitdiff
path: root/quantum/audio/audio.c
diff options
context:
space:
mode:
Diffstat (limited to 'quantum/audio/audio.c')
-rw-r--r--quantum/audio/audio.c78
1 files changed, 47 insertions, 31 deletions
diff --git a/quantum/audio/audio.c b/quantum/audio/audio.c
index b3d6389dd5..c6523b908c 100644
--- a/quantum/audio/audio.c
+++ b/quantum/audio/audio.c
@@ -64,21 +64,21 @@
#ifndef AUDIO_TONE_STACKSIZE
# define AUDIO_TONE_STACKSIZE 8
#endif
-uint8_t active_tones = 0; // number of tones pushed onto the stack by audio_play_tone - might be more than the hardware is able to reproduce at any single time
-musical_tone_t tones[AUDIO_TONE_STACKSIZE]; // stack of currently active tones
+uint8_t active_tones = 0; // number of tones pushed onto the stack by audio_play_tone - might be more than the hardware is able to reproduce at any single time
+musical_tone_t tones[AUDIO_TONE_STACKSIZE]; // stack of currently active tones
-bool playing_melody = false; // playing a SONG?
-bool playing_note = false; // or (possibly multiple simultaneous) tones
-bool state_changed = false; // global flag, which is set if anything changes with the active_tones
+bool playing_melody = false; // playing a SONG?
+bool playing_note = false; // or (possibly multiple simultaneous) tones
+bool state_changed = false; // global flag, which is set if anything changes with the active_tones
// melody/SONG related state variables
-float (*notes_pointer)[][2]; // SONG, an array of MUSICAL_NOTEs
-uint16_t notes_count; // length of the notes_pointer array
-bool notes_repeat; // PLAY_SONG or PLAY_LOOP?
-uint16_t melody_current_note_duration = 0; // duration of the currently playing note from the active melody, in ms
-uint8_t note_tempo = TEMPO_DEFAULT; // beats-per-minute
-uint16_t current_note = 0; // index into the array at notes_pointer
-bool note_resting = false; // if a short pause was introduced between two notes with the same frequency while playing a melody
+float (*notes_pointer)[][2]; // SONG, an array of MUSICAL_NOTEs
+uint16_t notes_count; // length of the notes_pointer array
+bool notes_repeat; // PLAY_SONG or PLAY_LOOP?
+uint16_t melody_current_note_duration = 0; // duration of the currently playing note from the active melody, in ms
+uint8_t note_tempo = TEMPO_DEFAULT; // beats-per-minute
+uint16_t current_note = 0; // index into the array at notes_pointer
+bool note_resting = false; // if a short pause was introduced between two notes with the same frequency while playing a melody
uint16_t last_timestamp = 0;
#ifdef AUDIO_ENABLE_TONE_MULTIPLEXING
@@ -86,7 +86,7 @@ uint16_t last_timestamp = 0;
# define AUDIO_MAX_SIMULTANEOUS_TONES 3
# endif
uint16_t tone_multiplexing_rate = AUDIO_TONE_MULTIPLEXING_RATE_DEFAULT;
-uint8_t tone_multiplexing_index_shift = 0; // offset used on active-tone array access
+uint8_t tone_multiplexing_index_shift = 0; // offset used on active-tone array access
#endif
// provided and used by voices.c
@@ -123,12 +123,12 @@ void audio_init() {
eeconfig_init();
}
audio_config.raw = eeconfig_read_audio();
-#else // EEPROM settings
+#else // EEPROM settings
audio_config.enable = true;
# ifdef AUDIO_CLICKY_ON
audio_config.clicky_enable = true;
# endif
-#endif // EEPROM settings
+#endif // EEPROM settings
for (uint8_t i = 0; i < AUDIO_TONE_STACKSIZE; i++) {
tones[i] = (musical_tone_t){.time_started = 0, .pitch = -1.0f, .duration = 0};
@@ -181,7 +181,9 @@ void audio_off(void) {
eeconfig_update_audio(audio_config.raw);
}
-bool audio_is_on(void) { return (audio_config.enable != 0); }
+bool audio_is_on(void) {
+ return (audio_config.enable != 0);
+}
void audio_stop_all() {
if (audio_driver_stopped) {
@@ -268,7 +270,7 @@ void audio_play_note(float pitch, uint16_t duration) {
tones[j] = tones[j + 1];
tones[j + 1] = (musical_tone_t){.time_started = timer_read(), .pitch = pitch, .duration = duration};
}
- return; // since this frequency played already, the hardware was already started
+ return; // since this frequency played already, the hardware was already started
}
}
@@ -286,7 +288,7 @@ void audio_play_note(float pitch, uint16_t duration) {
tones[active_tones - 1] = (musical_tone_t){.time_started = timer_read(), .pitch = pitch, .duration = duration};
// TODO: needs to be handled per note/tone -> use its timestamp instead?
- voices_timer = timer_read(); // reset to zero, for the effects added by voices.c
+ voices_timer = timer_read(); // reset to zero, for the effects added by voices.c
if (audio_driver_stopped) {
audio_driver_start();
@@ -294,7 +296,9 @@ void audio_play_note(float pitch, uint16_t duration) {
}
}
-void audio_play_tone(float pitch) { audio_play_note(pitch, 0xffff); }
+void audio_play_tone(float pitch) {
+ audio_play_note(pitch, 0xffff);
+}
void audio_play_melody(float (*np)[][2], uint16_t n_count, bool n_repeat) {
if (!audio_config.enable) {
@@ -316,7 +320,7 @@ void audio_play_melody(float (*np)[][2], uint16_t n_count, bool n_repeat) {
notes_count = n_count;
notes_repeat = n_repeat;
- current_note = 0; // note in the melody-array/list at note_pointer
+ current_note = 0; // note in the melody-array/list at note_pointer
// start first note manually, which also starts the audio_driver
// all following/remaining notes are played by 'audio_update_state'
@@ -347,11 +351,17 @@ void audio_play_click(uint16_t delay, float pitch, uint16_t duration) {
}
}
-bool audio_is_playing_note(void) { return playing_note; }
+bool audio_is_playing_note(void) {
+ return playing_note;
+}
-bool audio_is_playing_melody(void) { return playing_melody; }
+bool audio_is_playing_melody(void) {
+ return playing_melody;
+}
-uint8_t audio_get_number_of_active_tones(void) { return active_tones; }
+uint8_t audio_get_number_of_active_tones(void) {
+ return active_tones;
+}
float audio_get_frequency(uint8_t tone_index) {
if (tone_index >= active_tones) {
@@ -370,7 +380,7 @@ float audio_get_processed_frequency(uint8_t tone_index) {
#ifdef AUDIO_ENABLE_TONE_MULTIPLEXING
index = index - tone_multiplexing_index_shift;
- if (index < 0) // wrap around
+ if (index < 0) // wrap around
index += active_tones;
#endif
@@ -396,7 +406,7 @@ bool audio_update_state(void) {
last_timestamp = current_time;
uint16_t previous_note = current_note;
current_note++;
- voices_timer = timer_read(); // reset to zero, for the effects added by voices.c
+ voices_timer = timer_read(); // reset to zero, for the effects added by voices.c
if (current_note >= notes_count) {
if (notes_repeat) {
@@ -466,11 +476,11 @@ bool audio_update_state(void) {
// housekeeping: stop notes that have no playtime left
for (int i = 0; i < active_tones; i++) {
- if ((tones[i].duration != 0xffff) // indefinitely playing notes, started by 'audio_play_tone'
- && (tones[i].duration != 0) // 'uninitialized'
+ if ((tones[i].duration != 0xffff) // indefinitely playing notes, started by 'audio_play_tone'
+ && (tones[i].duration != 0) // 'uninitialized'
) {
if (timer_elapsed(tones[i].time_started) >= tones[i].duration) {
- audio_stop_tone(tones[i].pitch); // also sets 'state_changed=true'
+ audio_stop_tone(tones[i].pitch); // also sets 'state_changed=true'
}
}
}
@@ -487,9 +497,15 @@ bool audio_update_state(void) {
// Tone-multiplexing functions
#ifdef AUDIO_ENABLE_TONE_MULTIPLEXING
-void audio_set_tone_multiplexing_rate(uint16_t rate) { tone_multiplexing_rate = rate; }
-void audio_enable_tone_multiplexing(void) { tone_multiplexing_rate = AUDIO_TONE_MULTIPLEXING_RATE_DEFAULT; }
-void audio_disable_tone_multiplexing(void) { tone_multiplexing_rate = 0; }
+void audio_set_tone_multiplexing_rate(uint16_t rate) {
+ tone_multiplexing_rate = rate;
+}
+void audio_enable_tone_multiplexing(void) {
+ tone_multiplexing_rate = AUDIO_TONE_MULTIPLEXING_RATE_DEFAULT;
+}
+void audio_disable_tone_multiplexing(void) {
+ tone_multiplexing_rate = 0;
+}
void audio_increase_tone_multiplexing_rate(uint16_t change) {
if ((0xffff - change) > tone_multiplexing_rate) {
tone_multiplexing_rate += change;
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-15 08:16:10 +0000