1 /* 2 * Copyright (C) 2016 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 #include "GnssUtils.h" 18 19 namespace android { 20 namespace hardware { 21 namespace gnss { 22 namespace V1_0 { 23 namespace implementation { 24 25 using android::hardware::gnss::V1_0::GnssLocation; 26 27 GnssLocation convertToGnssLocation(GpsLocation* location) { 28 GnssLocation gnssLocation = {}; 29 if (location != nullptr) { 30 gnssLocation = { 31 // Bit operation AND with 1f below is needed to clear vertical accuracy, 32 // speed accuracy and bearing accuracy flags as some vendors are found 33 // to be setting these bits in pre-Android-O devices 34 .gnssLocationFlags = static_cast<uint16_t>(location->flags & 0x1f), 35 .latitudeDegrees = location->latitude, 36 .longitudeDegrees = location->longitude, 37 .altitudeMeters = location->altitude, 38 .speedMetersPerSec = location->speed, 39 .bearingDegrees = location->bearing, 40 .horizontalAccuracyMeters = location->accuracy, 41 // Older chipsets do not provide the following 3 fields, hence the flags 42 // HAS_VERTICAL_ACCURACY, HAS_SPEED_ACCURACY and HAS_BEARING_ACCURACY are 43 // not set and the field are set to zeros. 44 .verticalAccuracyMeters = 0, 45 .speedAccuracyMetersPerSecond = 0, 46 .bearingAccuracyDegrees = 0, 47 .timestamp = location->timestamp 48 }; 49 } 50 51 return gnssLocation; 52 } 53 54 GnssLocation convertToGnssLocation(FlpLocation* flpLocation) { 55 GnssLocation gnssLocation = {}; 56 if (flpLocation != nullptr) { 57 gnssLocation = {.gnssLocationFlags = 0, // clear here and set below 58 .latitudeDegrees = flpLocation->latitude, 59 .longitudeDegrees = flpLocation->longitude, 60 .altitudeMeters = flpLocation->altitude, 61 .speedMetersPerSec = flpLocation->speed, 62 .bearingDegrees = flpLocation->bearing, 63 .horizontalAccuracyMeters = flpLocation->accuracy, 64 .verticalAccuracyMeters = 0, 65 .speedAccuracyMetersPerSecond = 0, 66 .bearingAccuracyDegrees = 0, 67 .timestamp = flpLocation->timestamp}; 68 // FlpLocation flags different from GnssLocation flags 69 if (flpLocation->flags & FLP_LOCATION_HAS_LAT_LONG) { 70 gnssLocation.gnssLocationFlags |= GPS_LOCATION_HAS_LAT_LONG; 71 } 72 if (flpLocation->flags & FLP_LOCATION_HAS_ALTITUDE) { 73 gnssLocation.gnssLocationFlags |= GPS_LOCATION_HAS_ALTITUDE; 74 } 75 if (flpLocation->flags & FLP_LOCATION_HAS_SPEED) { 76 gnssLocation.gnssLocationFlags |= GPS_LOCATION_HAS_SPEED; 77 } 78 if (flpLocation->flags & FLP_LOCATION_HAS_BEARING) { 79 gnssLocation.gnssLocationFlags |= GPS_LOCATION_HAS_BEARING; 80 } 81 if (flpLocation->flags & FLP_LOCATION_HAS_ACCURACY) { 82 gnssLocation.gnssLocationFlags |= GPS_LOCATION_HAS_HORIZONTAL_ACCURACY; 83 } 84 } 85 86 return gnssLocation; 87 } 88 89 } // namespace implementation 90 } // namespace V1_0 91 } // namespace gnss 92 } // namespace hardware 93 } // namespace android 94
