import pyb
from pyb import I2C
# test we can correctly create by id
for bus in (-1, 0, 1):
try:
I2C(bus)
print("I2C", bus)
except ValueError:
print("ValueError", bus)
i2c = I2C(1)
i2c.init(I2C.CONTROLLER, baudrate=400000)
print(i2c.scan())
i2c.deinit()