Merge "Supported synchronized fixed location and measurement from device files"

This commit is contained in:
TreeHugger Robot
2022-01-26 01:08:09 +00:00
committed by Android (Google) Code Review
5 changed files with 40 additions and 8 deletions

View File

@@ -22,6 +22,7 @@
#include "AGnss.h"
#include "AGnssRil.h"
#include "DeviceFileReader.h"
#include "FixLocationParser.h"
#include "GnssAntennaInfo.h"
#include "GnssBatching.h"
#include "GnssConfiguration.h"
@@ -32,11 +33,9 @@
#include "GnssPsds.h"
#include "GnssVisibilityControl.h"
#include "MeasurementCorrectionsInterface.h"
#include "NmeaFixInfo.h"
#include "Utils.h"
namespace aidl::android::hardware::gnss {
using ::android::hardware::gnss::common::NmeaFixInfo;
using ::android::hardware::gnss::common::Utils;
using ndk::ScopedAStatus;
@@ -70,9 +69,12 @@ ScopedAStatus Gnss::setCallback(const std::shared_ptr<IGnssCallback>& callback)
}
std::unique_ptr<GnssLocation> Gnss::getLocationFromHW() {
if (!::android::hardware::gnss::common::ReplayUtils::hasFixedLocationDeviceFile()) {
return nullptr;
}
std::string inputStr =
::android::hardware::gnss::common::DeviceFileReader::Instance().getLocationData();
return ::android::hardware::gnss::common::NmeaFixInfo::getAidlLocationFromInputStr(inputStr);
return ::android::hardware::gnss::common::FixLocationParser::getLocationFromInputStr(inputStr);
}
ScopedAStatus Gnss::start() {

View File

@@ -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;
}
}
}

View File

@@ -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);

View File

@@ -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";

View File

@@ -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);