Adafruit_PureIO/smbus.py
def write_byte(self, addr, val):
        """Write a single byte to the specified device."""
        assert self._device is not None, 'Bus must be opened before operations are made against it!'
        self._select_device(addr)
        data = bytearray(1)
        data[0] = val & 0xFF
        self._device.write(data)
def write_byte(self, addr, val):
        """Write a single byte to the specified device."""
        assert self._device is not None, 'Bus must be opened before operations are made against it!'
        self._select_device(addr)
        data = bytearray(1)
        data[0] = val & 0xFF
        self._device.write(data)
Write a single byte to the specified device.