circuitpython/tests/pyb/i2c.py

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from pyb import I2C
i2c = I2C(1)
i2c2 = I2C(2)
i2c.init(I2C.MASTER, baudrate=400000)
print(i2c.scan())
i2c.deinit()
# use accelerometer to test i2c bus
accel_addr = 76
pyb.Accel() # this will init the bus for us
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)