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Fix usb_mic_task overrun by enforcing MIC_INTERVAL_MS pacing (AEGHB-1078) #512

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Merged
merged 1 commit into from
Jul 25, 2025
Merged

Fix usb_mic_task overrun by enforcing MIC_INTERVAL_MS pacing (AEGHB-1078) #512

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4 changes: 4 additions & 0 deletions components/usb/usb_device_uac/usb_device_uac.c
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Original file line number Diff line number Diff line change
Expand Up @@ -456,10 +456,12 @@ static void usb_spk_task(void *pvParam)
#if CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX
static void usb_mic_task(void *pvParam)
{
TickType_t xLastWakeTime = xTaskGetTickCount();
while (1) {
if (s_uac_device->mic_active == false) {
// clear the notification
ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
xLastWakeTime = xTaskGetTickCount();
continue;
}
// clear the notification
Expand All @@ -479,6 +481,8 @@ static void usb_mic_task(void *pvParam)
s_uac_device->mic_data_size = bytes_read;
UAC_EXIT_CRITICAL();
}

vTaskDelayUntil(&xLastWakeTime, pdMS_TO_TICKS(MIC_INTERVAL_MS));
}
}
#endif
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