diff options
Diffstat (limited to 'examples/device/uac2_headset/src/main.c')
| -rw-r--r-- | examples/device/uac2_headset/src/main.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/examples/device/uac2_headset/src/main.c b/examples/device/uac2_headset/src/main.c index f6d3c041d..96fa66f1e 100644 --- a/examples/device/uac2_headset/src/main.c +++ b/examples/device/uac2_headset/src/main.c @@ -73,7 +73,7 @@ static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED; // Audio controls // Current states -int8_t mute[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX + 1]; // +1 for master channel 0 +uint8_t mute[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX + 1]; // +1 for master channel 0 int16_t volume[CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX + 1];// +1 for master channel 0 // Buffer for microphone data @@ -610,6 +610,10 @@ void audio_control_task(void) { uint32_t btn = board_button_read(); + // Even UAC1 spec have status interrupt support like UAC2, most host do not support it + // So you have to either use UAC2 or use old day HID volume control + TU_VERIFY((tud_audio_version() == 1),); + if (!btn_prev && btn) { // Adjust volume between 0dB (100%) and -30dB (10%) for (int i = 0; i < CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX + 1; i++) { |