# HwBinder IPC from client to server, and callbacks binder_call(hal_gnss_client, hal_gnss_server) binder_call(hal_gnss_server, hal_gnss_client) hal_attribute_hwservice(hal_gnss, hal_gnss_hwservice) hal_attribute_service(hal_gnss, hal_gnss_service) binder_use(hal_gnss_server) binder_use(hal_gnss_client)