qmk_firmware

commit 96789a7cb01b6ac3b6cf46a8dec650ac19c823c0
parent 727b1d159771898888e1e710c4641aa2e447051b
Author: Nebuleon <2391500+Nebuleon@users.noreply.github.com>
Date:   Thu, 27 Jul 2023 19:14:34 -0400

Unify MIDI note calculation with the audio feature's algorithm (#21588)


Diffstat:
M
quantum/midi/qmk_midi.c
 | 
4
++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/quantum/midi/qmk_midi.c b/quantum/midi/qmk_midi.c
@@ -108,10 +108,10 @@ static void fallthrough_callback(MidiDevice* device, uint16_t cnt, uint8_t byte0
     if (cnt == 3) {
         switch (byte0 & 0xF0) {
             case MIDI_NOTEON:
-                play_note(((double)261.6) * pow(2.0, -4.0) * pow(2.0, (byte1 & 0x7F) / 12.0), (byte2 & 0x7F) / 8);
+                play_note(440.0f * powf(2.0f, ((byte1 & 0x7F) - 57) / 12.0f), (byte2 & 0x7F) / 8);
                 break;
             case MIDI_NOTEOFF:
-                stop_note(((double)261.6) * pow(2.0, -4.0) * pow(2.0, (byte1 & 0x7F) / 12.0));
+                stop_note(440.0f * powf(2.0f, ((byte1 & 0x7F) - 57) / 12.0f));
                 break;
         }
     }