Merge remote-tracking branch 'origin/master' into xfer_isr

# Conflicts:
#	examples/device/audio_4_channel_mic_freertos/src/main.c
#	examples/device/audio_test_freertos/src/main.c
#	src/class/audio/audio_device.c

examples/device/audio_4_channel_mic_freertos/src/main.c

@@ -39,7 +39,7 @@
 #include "bsp/board_api.h"
 #include "tusb.h"
 
-#if TUSB_MCU_VENDOR_ESPRESSIF
+#ifdef ESP_PLATFORM
   // ESP-IDF need "freertos/" prefix in include path.
   // CFG_TUSB_OS_INC_PATH should be defined accordingly.
   #include "freertos/FreeRTOS.h"
@@ -157,15 +157,15 @@ int main(void) {
   xTaskCreate(audio_isr_task, "audio", AUDIO_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, NULL);
 #endif
 
-// skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
-#if !TUSB_MCU_VENDOR_ESPRESSIF
-  vTaskStartScheduler();
-#endif
+  // only start scheduler for non-espressif mcu
+  #ifndef ESP_PLATFORM
+    vTaskStartScheduler();
+  #endif
 
   return 0;
 }
 
-#if TUSB_MCU_VENDOR_ESPRESSIF
+#ifdef ESP_PLATFORM
 void app_main(void) {
   main();
 }