diff options
Diffstat (limited to 'quantum/audio/audio.h')
| -rw-r--r-- | quantum/audio/audio.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/quantum/audio/audio.h b/quantum/audio/audio.h index 290d461f5a..fe23cf3ed1 100644 --- a/quantum/audio/audio.h +++ b/quantum/audio/audio.h @@ -54,9 +54,9 @@ typedef union { * "A musical tone is characterized by its duration, pitch, intensity (or loudness), and timbre (or quality)" */ typedef struct { - uint16_t time_started; // timestamp the tone/note was started, system time runs with 1ms resolution -> 16bit timer overflows every ~64 seconds, long enough under normal circumstances; but might be too soon for long-duration notes when the note_tempo is set to a very low value - float pitch; // aka frequency, in Hz - uint16_t duration; // in ms, converted from the musical_notes.h unit which has 64parts to a beat, factoring in the current tempo in beats-per-minute + uint16_t time_started; // timestamp the tone/note was started, system time runs with 1ms resolution -> 16bit timer overflows every ~64 seconds, long enough under normal circumstances; but might be too soon for long-duration notes when the note_tempo is set to a very low value + float pitch; // aka frequency, in Hz + uint16_t duration; // in ms, converted from the musical_notes.h unit which has 64parts to a beat, factoring in the current tempo in beats-per-minute // float intensity; // aka volume [0,1] TODO: not used at the moment; pwm drivers can't handle it // uint8_t timbre; // range: [0,100] TODO: this currently kept track of globally, should we do this per tone instead? } musical_tone_t; |