When running the IDF a2dp sink example app (IDF version 5.3), when changing the volume from my phone (Xiaomi Mi8), the ESP doesn't get any ESP_AVRC_TG_SET_ABSOLUTE_VOLUME_CMD_EVT notification. The phone has absolute volume notifications enabled in developer settings. In fact, the target event ...

Yes, besides these. I am aware of them.

I have attempted to use RTC FAST memory as a task's stack, and it works, until the task attempts to do a flash write operation, which causes a crash, but the printed stack dump has only one frame and is flagged as corrupted. I didn't find any information about limitations when using RTC memory as ...

I have investigated further and it turns out that not all GPIO pins work for this function. For GPIO pins 16 and 17, the function bootloader_common_check_long_hold_gpio_level in bootloader_start.c always reads HIGH level, even when I have verified with a multimeter that the pin reads 0V. I even put ...

I'm having the same problem - I have tried with GPIO 16 and 17 - bridged the GPIO to Gnd. The bootloader ignores it, both when resetting via the reset button on the board and by power cycling. In the confiuration I have set:

[*] GPIO triggers factory reset
(17) Number of the GPIO input for factory ...