diff options
Diffstat (limited to 'quantum/process_keycode/process_audio.c')
| -rw-r--r-- | quantum/process_keycode/process_audio.c | 62 | 
1 files changed, 62 insertions, 0 deletions
| diff --git a/quantum/process_keycode/process_audio.c b/quantum/process_keycode/process_audio.c new file mode 100644 index 0000000000..0b6380ed39 --- /dev/null +++ b/quantum/process_keycode/process_audio.c @@ -0,0 +1,62 @@ +#include "audio.h" +#include "process_audio.h" + +static float compute_freq_for_midi_note(uint8_t note) +{ +    // https://en.wikipedia.org/wiki/MIDI_tuning_standard +    return pow(2.0, (note - 69) / 12.0) * 440.0f; +} + +bool process_audio(uint16_t keycode, keyrecord_t *record) { + +    if (keycode == AU_ON && record->event.pressed) { +      audio_on(); +      return false; +    } + +    if (keycode == AU_OFF && record->event.pressed) { +      audio_off(); +      return false; +    } + +    if (keycode == AU_TOG && record->event.pressed) { +        if (is_audio_on()) +        { +            audio_off(); +        } +        else +        { +            audio_on(); +        } +        return false; +    } + +    if (keycode == MUV_IN && record->event.pressed) { +        voice_iterate(); +        music_scale_user(); +        return false; +    } + +    if (keycode == MUV_DE && record->event.pressed) { +        voice_deiterate(); +        music_scale_user(); +        return false; +    } + +    return true; +} + +void process_audio_noteon(uint8_t note) { +    play_note(compute_freq_for_midi_note(note), 0xF); +} + +void process_audio_noteoff(uint8_t note) { +    stop_note(compute_freq_for_midi_note(note)); +} + +void process_audio_all_notes_off(void) { +    stop_all_notes(); +} + +__attribute__ ((weak)) +void audio_on_user() {}
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