Merge changes from topic "gnss" into sc-v2-dev

* changes:
  Supported synchronized fixed location and measurement from device files
  Add parser to support CSV location data

gnss/common/utils/default/Android.bp

@@ -39,6 +39,7 @@ cc_library_static {
         "v2_1/GnssMeasurement.cpp",
         "v2_1/GnssMeasurementCorrections.cpp",
         "DeviceFileReader.cpp",
+        "FixLocationParser.cpp",
         "GnssRawMeasurementParser.cpp",
         "GnssReplayUtils.cpp",
         "MockLocation.cpp",

gnss/common/utils/default/DeviceFileReader.cpp

@@ -22,8 +22,17 @@ namespace common {
 
 void DeviceFileReader::getDataFromDeviceFile(const std::string& command, int mMinIntervalMs) {
     char inputBuffer[INPUT_BUFFER_SIZE];
-    int mGnssFd = open(ReplayUtils::getGnssPath().c_str(),
-                       O_RDWR | O_NONBLOCK);
+    std::string deviceFilePath = "";
+    if (command == CMD_GET_LOCATION) {
+        deviceFilePath = ReplayUtils::getFixedLocationPath();
+    } else if (command == CMD_GET_RAWMEASUREMENT) {
+        deviceFilePath = ReplayUtils::getGnssPath();
+    } else {
+        // Invalid command
+        return;
+    }
+
+    int mGnssFd = open(deviceFilePath.c_str(), O_RDWR | O_NONBLOCK);
 
     if (mGnssFd == -1) {
         return;
@@ -68,10 +77,13 @@ void DeviceFileReader::getDataFromDeviceFile(const std::string& command, int mMi
     }
 
     // Cache the injected data.
-    if (ReplayUtils::isGnssRawMeasurement(inputStr)) {
-        data_[CMD_GET_RAWMEASUREMENT] = inputStr;
-    } else if (ReplayUtils::isNMEA(inputStr)) {
+    if (command == CMD_GET_LOCATION) {
+        // TODO validate data
         data_[CMD_GET_LOCATION] = inputStr;
+    } else if (command == CMD_GET_RAWMEASUREMENT) {
+        if (ReplayUtils::isGnssRawMeasurement(inputStr)) {
+            data_[CMD_GET_RAWMEASUREMENT] = inputStr;
+        }
     }
 }
 

gnss/common/utils/default/FixLocationParser.cpp

@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#include "FixLocationParser.h"
+
+#include <android/hardware/gnss/1.0/IGnss.h>
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace common {
+
+std::unique_ptr<V2_0::GnssLocation> FixLocationParser::getLocationFromInputStr(
+        const std::string& locationStr) {
+    /*
+     * Fix,Provider,LatitudeDegrees,LongitudeDegrees,AltitudeMeters,SpeedMps,
+     * AccuracyMeters,BearingDegrees,UnixTimeMillis,SpeedAccuracyMps,BearingAccuracyDegrees,
+     * elapsedRealtimeNanos
+     */
+    if (locationStr.empty()) {
+        return nullptr;
+    }
+    std::vector<std::string> locationStrRecords;
+    ParseUtils::splitStr(locationStr, LINE_SEPARATOR, locationStrRecords);
+    if (locationStrRecords.empty()) {
+        return nullptr;
+    }
+
+    std::vector<std::string> locationValues;
+    ParseUtils::splitStr(locationStrRecords[0], COMMA_SEPARATOR, locationValues);
+    if (locationValues.size() < 12) {
+        return nullptr;
+    }
+    V2_0::ElapsedRealtime elapsedRealtime = {
+            .flags = V2_0::ElapsedRealtimeFlags::HAS_TIMESTAMP_NS |
+                     V2_0::ElapsedRealtimeFlags::HAS_TIME_UNCERTAINTY_NS,
+            .timestampNs = static_cast<uint64_t>(::android::elapsedRealtimeNano()),
+            // This is an hardcoded value indicating a 1ms of uncertainty between the two clocks.
+            // In an actual implementation provide an estimate of the synchronization uncertainty
+            // or don't set the field.
+            .timeUncertaintyNs = 1020400};
+
+    V1_0::GnssLocation locationV1 = {
+            .gnssLocationFlags = 0xFF,
+            .latitudeDegrees = ParseUtils::tryParseDouble(locationValues[2], 0),
+            .longitudeDegrees = ParseUtils::tryParseDouble(locationValues[3], 0),
+            .altitudeMeters = ParseUtils::tryParseDouble(locationValues[4], 0),
+            .speedMetersPerSec = ParseUtils::tryParsefloat(locationValues[5], 0),
+            .bearingDegrees = ParseUtils::tryParsefloat(locationValues[7], 0),
+            .horizontalAccuracyMeters = ParseUtils::tryParsefloat(locationValues[6], 0),
+            .verticalAccuracyMeters = ParseUtils::tryParsefloat(locationValues[6], 0),
+            .speedAccuracyMetersPerSecond = ParseUtils::tryParsefloat(locationValues[9], 0),
+            .bearingAccuracyDegrees = ParseUtils::tryParsefloat(locationValues[10], 0),
+            .timestamp = ParseUtils::tryParseLongLong(locationValues[8], 0)};
+
+    V2_0::GnssLocation locationV2 = {.v1_0 = locationV1, .elapsedRealtime = elapsedRealtime};
+    return std::make_unique<V2_0::GnssLocation>(locationV2);
+}
+
+}  // namespace common
+}  // namespace gnss
+}  // namespace hardware
+}  // namespace android

gnss/common/utils/default/GnssReplayUtils.cpp

@@ -29,11 +29,24 @@ std::string ReplayUtils::getGnssPath() {
     return GNSS_PATH;
 }
 
+std::string ReplayUtils::getFixedLocationPath() {
+    char devname_value[PROPERTY_VALUE_MAX] = "";
+    if (property_get("debug.location.fixedlocation.devname", devname_value, NULL) > 0) {
+        return devname_value;
+    }
+    return FIXED_LOCATION_PATH;
+}
+
 bool ReplayUtils::hasGnssDeviceFile() {
     struct stat sb;
     return stat(getGnssPath().c_str(), &sb) != -1;
 }
 
+bool ReplayUtils::hasFixedLocationDeviceFile() {
+    struct stat sb;
+    return stat(getFixedLocationPath().c_str(), &sb) != -1;
+}
+
 bool ReplayUtils::isGnssRawMeasurement(const std::string& inputStr) {
     // TODO: add more logic check to by pass invalid data.
     return !inputStr.empty() && (inputStr.find("Raw") != std::string::npos);

gnss/common/utils/default/include/Constants.h

@@ -36,6 +36,7 @@ const float kIrnssL5FreqHz = 1176.45 * 1e6;
 
 // Location replay constants
 constexpr char GNSS_PATH[] = "/dev/gnss0";
+constexpr char FIXED_LOCATION_PATH[] = "/dev/gnss1";
 constexpr int INPUT_BUFFER_SIZE = 256;
 constexpr char CMD_GET_LOCATION[] = "CMD_GET_LOCATION";
 constexpr char CMD_GET_RAWMEASUREMENT[] = "CMD_GET_RAWMEASUREMENT";

gnss/common/utils/default/include/FixLocationParser.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#ifndef android_hardware_gnss_common_default_FixLocationParser_H_
+#define android_hardware_gnss_common_default_FixLocationParser_H_
+
+#include <android/hardware/gnss/2.0/IGnss.h>
+
+#include <utils/SystemClock.h>
+#include <string>
+#include <vector>
+
+#include <Constants.h>
+#include <Utils.h>
+#include <log/log.h>
+#include "Constants.h"
+#include "ParseUtils.h"
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace common {
+
+struct FixLocationParser {
+  public:
+    static std::unique_ptr<V2_0::GnssLocation> getLocationFromInputStr(const std::string& inputStr);
+};
+
+}  // namespace common
+}  // namespace gnss
+}  // namespace hardware
+}  // namespace android
+
+#endif  // android_hardware_gnss_common_default_FixLocationParser_H_

gnss/common/utils/default/include/GnssReplayUtils.h

@@ -37,10 +37,14 @@ namespace common {
 struct ReplayUtils {
     static std::string getGnssPath();
 
+    static std::string getFixedLocationPath();
+
     static std::string getDataFromDeviceFile(const std::string& command, int mMinIntervalMs);
 
     static bool hasGnssDeviceFile();
 
+    static bool hasFixedLocationDeviceFile();
+
     static bool isGnssRawMeasurement(const std::string& inputStr);
 
     static bool isNMEA(const std::string& inputStr);

gnss/common/utils/default/include/v2_1/GnssTemplate.h

@@ -31,6 +31,7 @@
 #include <cutils/properties.h>
 
 #include "DeviceFileReader.h"
+#include "FixLocationParser.h"
 #include "GnssAntennaInfo.h"
 #include "GnssConfiguration.h"
 #include "GnssDebug.h"
@@ -38,7 +39,6 @@
 #include "GnssMeasurementCorrections.h"
 #include "GnssReplayUtils.h"
 #include "MockLocation.h"
-#include "NmeaFixInfo.h"
 #include "Utils.h"
 
 namespace android::hardware::gnss::common::implementation {
@@ -162,9 +162,12 @@ GnssTemplate<T_IGnss>::~GnssTemplate() {
 template <class T_IGnss>
 std::unique_ptr<V2_0::GnssLocation> GnssTemplate<T_IGnss>::getLocationFromHW() {
     mHardwareModeChecked = true;
+    if (!ReplayUtils::hasFixedLocationDeviceFile()) {
+        return nullptr;
+    }
     std::string inputStr =
             ::android::hardware::gnss::common::DeviceFileReader::Instance().getLocationData();
-    return NmeaFixInfo::getLocationFromInputStr(inputStr);
+    return FixLocationParser::getLocationFromInputStr(inputStr);
 }
 
 template <class T_IGnss>