1/*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.hardware.gnss@2.1;
18
19import @2.0::GnssConstellationType;
20
21/**
22 * Represents a GNSS signal type.
23 */
24struct GnssSignalType {
25    /**
26     * Constellation type of the SV that transmits the signal.
27     */
28    GnssConstellationType constellation;
29
30    /**
31     * Carrier frequency in Hz of the signal.
32     */
33    double carrierFrequencyHz;
34
35    /**
36     * The type of code of the GNSS signal.
37     *
38     * This is used to specify the observation descriptor defined in GNSS Observation Data File
39     * Header Section Description in the RINEX standard (Version 3.XX). In RINEX Version 3.03,
40     * in Appendix Table A2 Attributes are listed as uppercase letters (for instance, "A" for
41     * "A channel").
42     *
43     * See the comment of @2.0::IGnssMeasurementCallback.GnssMeasurement.codeType for more details.
44     */
45    string codeType;
46};
47