micropython/tests/pyb/i2c_accel.py

24 wiersze
455 B
Python
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# use accelerometer to test i2c bus
import pyb
from pyb import I2C
if not hasattr(pyb, "Accel"):
print("SKIP")
raise SystemExit
accel_addr = 76
pyb.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)