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| -rw-r--r-- | docs/feature_audio.md | 7 | ||||
| -rw-r--r-- | quantum/audio/audio_arm.c | 2 |
2 files changed, 9 insertions, 0 deletions
diff --git a/docs/feature_audio.md b/docs/feature_audio.md index 82e0ed9503..a39c456873 100644 --- a/docs/feature_audio.md +++ b/docs/feature_audio.md @@ -65,6 +65,13 @@ The available keycodes for audio are: * `AU_OFF` - Turn audio mode off * `AU_TOG` - Toggle audio mode +## ARM Audio Volume + +For ARM devices, you can adjust the DAC sample values. If your board is too loud for you or your coworkers, you can set the max using `DAC_SAMPLE_MAX` in your `config.h`: + +```c +#define DAC_SAMPLE_MAX 65535U +``` ## Music Mode diff --git a/quantum/audio/audio_arm.c b/quantum/audio/audio_arm.c index 18e8a8c66d..989f7a64be 100644 --- a/quantum/audio/audio_arm.c +++ b/quantum/audio/audio_arm.c @@ -80,7 +80,9 @@ float startup_song[][2] = STARTUP_SONG; static void gpt_cb8(GPTDriver *gptp); #define DAC_BUFFER_SIZE 720 +#ifndef DAC_SAMPLE_MAX #define DAC_SAMPLE_MAX 65535U +#endif #define START_CHANNEL_1() gptStart(&GPTD6, &gpt6cfg1); \ gptStartContinuous(&GPTD6, 2U) |