def capture_setting(self, sbp_msg, **metadata):
        """Callback to extract and store setting values from
        SBP_MSG_SETTINGS_READ_RESP

        Messages of any type other than SBP_MSG_SETTINGS_READ_RESP are ignored
        """
        if sbp_msg.msg_type == SBP_MSG_SETTINGS_READ_RESP:
            section, setting, value = sbp_msg.payload.split(b'\0')[:3]
            self.settings.append((section, setting, value))