diff options
Diffstat (limited to 'examples/host/audio_host/src/audio_app.c')
| -rw-r--r-- | examples/host/audio_host/src/audio_app.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/examples/host/audio_host/src/audio_app.c b/examples/host/audio_host/src/audio_app.c index 4623dff5a..8852ca58c 100644 --- a/examples/host/audio_host/src/audio_app.c +++ b/examples/host/audio_host/src/audio_app.c @@ -360,11 +360,9 @@ void tuh_audio_err_cb(uint8_t idx, uint8_t stream_idx, uint16_t xferred_bytes) { // Print all supported stream configurations static void print_stream_configs(uint8_t idx, uint8_t stream_idx) { - const tuh_audio_direction_t dir = tuh_audio_stream_direction(idx, stream_idx); - const char *dir_name = (dir == TUH_AUDIO_STREAM_CAPTURE) ? "capture" : "playback"; - const uint8_t feature_unit_id = tuh_audio_get_feature_unit_id(idx, stream_idx); - printf(" %s stream %u Feature Unit ID: %u, configurations: %u\r\n", dir_name, stream_idx, feature_unit_id, - tuh_audio_config_count(idx, stream_idx)); + const tuh_audio_direction_t dir = tuh_audio_stream_direction(idx, stream_idx); + const char *dir_name = (dir == TUH_AUDIO_STREAM_CAPTURE) ? "capture" : "playback"; + printf(" %s stream %u, configurations: %u\r\n", dir_name, stream_idx, tuh_audio_config_count(idx, stream_idx)); tuh_audio_volume_range_t range; if (tuh_audio_mute_supported(idx, stream_idx)) { printf(" master mute supported\r\n"); @@ -383,17 +381,14 @@ static void print_stream_configs(uint8_t idx, uint8_t stream_idx) { } static void configure_stream_controls(uint8_t idx, uint8_t stream_idx, const char *stream_name) { - const uint8_t feature_unit_id = tuh_audio_get_feature_unit_id(idx, stream_idx); - if (feature_unit_id == 0) { - printf(" %s stream has no master mute/volume Feature Unit\r\n", stream_name); - return; - } + bool has_control = false; if (tuh_audio_mute_supported(idx, stream_idx)) { + has_control = true; bool mute; tusb_xfer_result_t result = tuh_audio_mute_get_sync(idx, stream_idx, &mute); if (result == XFER_RESULT_SUCCESS) { - printf(" %s Feature Unit %u master mute: %s\r\n", stream_name, feature_unit_id, mute ? "on" : "off"); + printf(" %s master mute: %s\r\n", stream_name, mute ? "on" : "off"); result = tuh_audio_mute_set_sync(idx, stream_idx, false); } if (result != XFER_RESULT_SUCCESS) { @@ -403,10 +398,11 @@ static void configure_stream_controls(uint8_t idx, uint8_t stream_idx, const cha tuh_audio_volume_range_t range; if (tuh_audio_volume_range_get(idx, stream_idx, &range)) { + has_control = true; int16_t volume; tusb_xfer_result_t result = tuh_audio_volume_get_sync(idx, stream_idx, &volume); if (result == XFER_RESULT_SUCCESS) { - printf(" %s Feature Unit %u master volume: %d (1/256 dB)\r\n", stream_name, feature_unit_id, volume); + printf(" %s master volume: %d (1/256 dB)\r\n", stream_name, volume); int32_t target = FEATURE_UNIT_VOLUME_DB; target = TU_MAX(target, range.min); target = TU_MIN(target, range.max); @@ -421,6 +417,10 @@ static void configure_stream_controls(uint8_t idx, uint8_t stream_idx, const cha printf(" Accessing %s master volume failed: result=%u\r\n", stream_name, result); } } + + if (!has_control) { + printf(" %s stream has no master mute/volume control\r\n", stream_name); + } } // Invoked when device with Audio interface is un-mounted |