Sasha Kuznetsov | 768de57 | 2020-02-11 06:00:10 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2020 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 | |
| 17 | package android.hardware.gnss@2.1; |
| 18 | |
| 19 | import IGnssAntennaInfoCallback; |
| 20 | |
| 21 | /** |
| 22 | * Extended interface for GNSS antenna information support. |
| 23 | */ |
| 24 | interface IGnssAntennaInfo { |
| 25 | enum GnssAntennaInfoStatus : int32_t { |
| 26 | SUCCESS = 0, |
| 27 | ERROR_ALREADY_INIT = -100, |
| 28 | ERROR_GENERIC = -101, |
| 29 | }; |
| 30 | |
| 31 | /** |
| 32 | * Registers the callback routines with the HAL. |
| 33 | * |
| 34 | * @param callback Handle to the GnssAntennaInfo callback interface. |
| 35 | */ |
| 36 | setCallback(IGnssAntennaInfoCallback callback) generates (GnssAntennaInfoStatus initRet); |
| 37 | |
| 38 | /** |
| 39 | * Stops updates from the HAL, and unregisters the callback routines. |
| 40 | * After a call to close(), the previously registered callbacks must be |
| 41 | * considered invalid by the HAL. |
| 42 | * If close() is invoked without a previous setCallback, this function must perform |
| 43 | * no work. |
| 44 | */ |
| 45 | close(); |
| 46 | }; |