# use accelerometer to test i2c bus try: from pyb import Accel, I2C except ImportError: print("SKIP") raise SystemExit accel_addr = 76 Accel() # this will init the MMA for us i2c = I2C(1, I2C.CONTROLLER, baudrate=400000) print(i2c.scan()) print(i2c.is_ready(accel_addr)) print(i2c.mem_read(1, accel_addr, 7, timeout=500)) i2c.mem_write(0, accel_addr, 0, timeout=500) i2c.send(7, addr=accel_addr) i2c.recv(1, addr=accel_addr)