GATT.py 文件源码

def props_changed_cb(self, iface, changed_props, invalidated_props):
        """
        Callback indicating that properties have changed.

        :param iface: Interface associated with the callback.
        :param changed_props: Properties changed that triggered the callback.
        :param invalidated_props: Unused.
        """
        if iface != constants.GATT_CHRC_IFACE:
            return

        if not len(changed_props):
            return

        value = changed_props.get('Value', None)
        if not value:
            return

        logger.debug('Properties changed: ', value)