OK, Thanks

Great!
All the aboves work well.


Is a var declared as const storaged in FLASH?
Or I must add ICACHE_RODATA_ATTR before const?

Thank you.

I just want to get more RAM on esp32.

Esp32 has 512K RAM, but in fact, only less then 200K can be used by user app(with FreeRTOS）.

I want to know how to slim down the RAM userd by esp32 system function and/or FreeRTOS.

Is the FreeRTOS in esp-idf/componnents utilized to the smallest sytem for esp32?

I got the same error.

W (1379643) wifi: ampdu, m eb failed.

and
wifi: pm start