Sends the setBrightness Pixy command.
        This method sets the brightness (exposure) of Pixy's camera.

        :param brightness: range between 0 and 255 with 255 being the brightest setting

        :returns: No return value.

async def pixy_set_brightness(self, brightness):
        """
        Sends the setBrightness Pixy command.
        This method sets the brightness (exposure) of Pixy's camera.

        :param brightness: range between 0 and 255 with 255 being the brightest setting

        :returns: No return value.
        """
        data = [PrivateConstants.PIXY_SET_BRIGHTNESS, brightness & 0x7f,
                (brightness >> 7) & 0x7f]
        await self._send_sysex(PrivateConstants.PIXY_CONFIG, data)