diff options
| -rw-r--r-- | docs/modding_your_keyboard.md | 4 | ||||
| -rw-r--r-- | quantum/process_keycode/process_audio.c | 6 |
2 files changed, 9 insertions, 1 deletions
diff --git a/docs/modding_your_keyboard.md b/docs/modding_your_keyboard.md index 5613bf5253..a58fbd52b2 100644 --- a/docs/modding_your_keyboard.md +++ b/docs/modding_your_keyboard.md @@ -79,6 +79,10 @@ By default, `MUSIC_MASK` is set to `keycode < 0xFF` which means keycodes less th Which will capture all keycodes - be careful, this will get you stuck in music mode until you restart your keyboard! +The pitch standard (`PITCH_STANDARD_A`) is 440.0f by default - to change this, add something like this to your `config.h`: + + #define PITCH_STANDARD_A 432.0f + ## MIDI functionalty This is still a WIP, but check out `quantum/keymap_midi.c` to see what's happening. Enable from the Makefile. diff --git a/quantum/process_keycode/process_audio.c b/quantum/process_keycode/process_audio.c index eb74796fa7..32057ae8dc 100644 --- a/quantum/process_keycode/process_audio.c +++ b/quantum/process_keycode/process_audio.c @@ -6,10 +6,14 @@ #endif float voice_change_song[][2] = VOICE_CHANGE_SONG; +#ifndef PITCH_STANDARD_A + #define PITCH_STANDARD_A 440.0f +#endif + 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; + return pow(2.0, (note - 69) / 12.0) * PITCH_STANDARD_A; } bool process_audio(uint16_t keycode, keyrecord_t *record) { |