# test hal errors import pyb i2c = pyb.I2C(2, pyb.I2C.MASTER) try: i2c.recv(1, 1) except OSError as e: print(repr(e)) can = pyb.CAN(1, pyb.CAN.NORMAL) try: can.send('1', 1, timeout=50) except OSError as e: print(repr(e))