platform_hardware_interfaces/gnss/2.0/IAGnssCallback.hal

/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package android.hardware.gnss@2.0;

/** Callback structure for the AGNSS interface. */
interface IAGnssCallback {
    /** AGNSS service type **/
    enum AGnssType : uint8_t {
        SUPL         = 1,
        C2K          = 2,
        SUPL_EIMS    = 3,
        SUPL_IMS     = 4,
    };

    enum AGnssStatusValue : uint8_t {
        /** GNSS requests data connection for AGNSS. */
        REQUEST_AGNSS_DATA_CONN  = 1,
        /** GNSS releases the AGNSS data connection. */
        RELEASE_AGNSS_DATA_CONN  = 2,
        /** AGNSS data connection initiated */
        AGNSS_DATA_CONNECTED     = 3,
        /** AGNSS data connection completed */
        AGNSS_DATA_CONN_DONE     = 4,
        /** AGNSS data connection failed */
        AGNSS_DATA_CONN_FAILED   = 5
    };

    /**
     * Callback with AGNSS status information.
     *
     * The GNSS HAL implementation must use this method to request the framework to setup
     * network connection for the specified AGNSS service and to update the connection
     * status so that the framework can release the resources.
     *
     * @param type Type of AGNSS service.
     * @parama status Status of the data connection.
     */
    agnssStatusCb(AGnssType type, AGnssStatusValue status);
};