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fix: usbaudio set_cur cmd set volume

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This commit is contained in:
awalol
2026-05-07 19:11:42 +08:00
parent 8155ebdfec
commit b736cc91d7
4 changed files with 19 additions and 4 deletions
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src/usb.cpp
+10 -2
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@@ -4,6 +4,7 @@
#include "tusb.h"
#include "bsp/board_api.h"
#include "config.h"
uint8_t mute[2]; // 0: SPEAKER(0x02) 1: MIC(0x05)
float volume[2] = {1.0f}; // 0: SPEAKER(0x02) 1: MIC(0x05)
@@ -66,6 +67,11 @@ static bool audio10_set_req_entity(tusb_control_request_t const *p_request, uint
TU_VERIFY(p_request->wLength == 2);
volume[index] = static_cast<float>(tu_unaligned_read16(pBuff)) / 256;
if (entityID == UAC1_ENTITY_SPK_FEATURE_UNIT) {
auto config = get_config();
config.speaker_volume = volume[index];
set_config(config);
}
TU_LOG2(" Set Volume: %d dB of entity: %u\r\n", volume[index], entityID);
return true;
@@ -103,8 +109,10 @@ static bool audio10_get_req_entity(uint8_t rhport, tusb_control_request_t const
switch (p_request->bRequest) {
case AUDIO10_CS_REQ_GET_CUR:
TU_LOG2(" Get Volume of entity: %u\r\n", entityID); {
int16_t vol = volume[index];
vol = vol * 256; // convert to 1/256 dB units
if (entityID == UAC1_ENTITY_SPK_FEATURE_UNIT) {
volume[index] = get_config().speaker_volume;
}
int16_t vol = volume[index] * 256; // convert to 1/256 dB units
return tud_audio_buffer_and_schedule_control_xfer(rhport, p_request, &vol, sizeof(vol));
}