Fix gnss replay
Change the /dev/gnss0 read logic, will send the CMD_GET_LOCATION to
/dev/gnss0 first.
launch_cvd --start_gnss_proxy --gnss_file_path=xxx
Test: Manually
Bug: 183956668
Change-Id: Ic493790e80ceb6fd4d890b31e596b5c08addee40
(cherry picked from commit 80451ef0c39078e535b51668d709914c599be657)
diff --git a/gnss/common/utils/default/include/NmeaFixInfo.h b/gnss/common/utils/default/include/NmeaFixInfo.h
index 06eae7e..c96eece 100644
--- a/gnss/common/utils/default/include/NmeaFixInfo.h
+++ b/gnss/common/utils/default/include/NmeaFixInfo.h
@@ -32,6 +32,7 @@
constexpr char LINE_SEPARATOR = '\n';
constexpr char COMMA_SEPARATOR = ',';
constexpr double TIMESTAMP_EPSILON = 0.001;
+constexpr int MIN_COL_NUM = 13;
/** Helper class to parse and store the GNSS fix details information. */
class NmeaFixInfo {
diff --git a/gnss/common/utils/default/include/v2_1/GnssTemplate.h b/gnss/common/utils/default/include/v2_1/GnssTemplate.h
index 79c78c3..a6e8f58 100644
--- a/gnss/common/utils/default/include/v2_1/GnssTemplate.h
+++ b/gnss/common/utils/default/include/v2_1/GnssTemplate.h
@@ -196,6 +196,7 @@
return nullptr;
}
while (true) {
+ memset(inputBuffer, 0, INPUT_BUFFER_SIZE);
bytes_read = read(mGnssFd, &inputBuffer, INPUT_BUFFER_SIZE);
if (bytes_read <= 0) {
break;
@@ -218,9 +219,14 @@
auto svStatus = filterBlocklistedSatellitesV2_1(Utils::getMockSvInfoListV2_1());
this->reportSvStatus(svStatus);
auto currentLocation = getLocationFromHW();
- if (mGnssFd != -1 && currentLocation != nullptr) {
+ if (mGnssFd != -1) {
// Only report location if the return from hardware is valid
- this->reportLocation(*currentLocation);
+ // note that we can not merge these two "if" together, if didn't
+ // get location from hardware, we shouldn't report location, not
+ // report the "default" one.
+ if (currentLocation != nullptr) {
+ this->reportLocation(*currentLocation);
+ }
} else {
if (sGnssCallback_2_1 != nullptr || sGnssCallback_2_0 != nullptr) {
const auto location = Utils::getMockLocationV2_0();
@@ -259,6 +265,7 @@
if (mGnssFd != -1) {
close(mGnssFd);
mGnssFd = -1;
+ mHardwareModeChecked = false;
}
return true;
}