ads1x15.py 文件源码

def diff(self, channel1, channel2):
        self._write_register(_REGISTER_CONFIG, _CQUE_NONE | _CLAT_NONLAT |
            _CPOL_ACTVLOW | _CMODE_TRAD | _DR_1600SPS | _MODE_SINGLE |
            _OS_SINGLE | _GAINS[self.gain] | _DIFFS[(channel1, channel2)])
        while not self._read_register(_REGISTER_CONFIG) & _OS_NOTBUSY:
            time.sleep_ms(1)
        return self._read_register(_REGISTER_CONVERT)