# test pyb module on F405 MCUs import os, pyb if not "STM32F405" in os.uname().machine: print("SKIP") raise SystemExit print(pyb.freq()) print(type(pyb.rng())) # test HAL error specific to F405 i2c = pyb.I2C(2, pyb.I2C.CONTROLLER) try: i2c.recv(1, 1) except OSError as e: print(repr(e))