Port, board and/or hardware

esp32-c6 custorm pcb

MicroPython version

MicroPython v1.25.0 on 2025-06-28; ESP32C6 module with ESP32C6

built with espidf v5.3.2 or 5.4.1, trying v1.26 preview form master branch gives same result

Reproduction

1. create a timer ( 0 or 1)
2. init it and set a callback
3. wait for callback result

def mycallback(t):
    print('timer')

tim = Timer(0)

tim.init(period=100, callback=mycallback)

Expected behaviour

Expected print "timer"

Observed behaviour

nothing happens, working fine on espidf 5.2.5

Additional Information

No, I've provided everything above.

Code of Conduct

Yes, I agree