adds option for alt pitch standards

2017-07-24 12:44:03 -04:00
parent a543ad4c1d
commit cefc09ae7d
2 changed files with 9 additions and 1 deletions
--- 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) {