diff options
| -rw-r--r-- | gnss/GnssAdapter.cpp | 39 | ||||
| -rw-r--r-- | gnss/GnssAdapter.h | 2 | ||||
| -rw-r--r-- | location/LocationDataTypes.h | 9 |
3 files changed, 47 insertions, 3 deletions
diff --git a/gnss/GnssAdapter.cpp b/gnss/GnssAdapter.cpp index 1c80443..de85353 100644 --- a/gnss/GnssAdapter.cpp +++ b/gnss/GnssAdapter.cpp @@ -229,6 +229,31 @@ GnssAdapter::convertLocation(Location& out, const UlpLocation& ulpLocation, } } +/* This is utility routine that computes number of SV used + in the fix from the svUsedIdsMask. + */ +#define MAX_SV_CNT_SUPPORTED_IN_ONE_CONSTELLATION 64 +uint16_t GnssAdapter::getNumSvUsed(uint64_t svUsedIdsMask, + int totalSvCntInThisConstellation) +{ + if (totalSvCntInThisConstellation > MAX_SV_CNT_SUPPORTED_IN_ONE_CONSTELLATION) { + LOC_LOGe ("error: total SV count in this constellation %d exceeded limit of %d", + totalSvCntInThisConstellation, MAX_SV_CNT_SUPPORTED_IN_ONE_CONSTELLATION); + return 0; + } + + uint16_t numSvUsed = 0; + uint64_t mask = 0x1; + for (int i = 0; i < totalSvCntInThisConstellation; i++) { + if (svUsedIdsMask & mask) { + numSvUsed++; + } + mask <<= 1; + } + + return numSvUsed; +} + void GnssAdapter::convertLocationInfo(GnssLocationInfoNotification& out, const GpsLocationExtended& locationExtended) @@ -349,8 +374,20 @@ GnssAdapter::convertLocationInfo(GnssLocationInfoNotification& out, locationExtended.gnss_sv_used_ids.bds_sv_used_ids_mask; out.svUsedInPosition.qzssSvUsedIdsMask = locationExtended.gnss_sv_used_ids.qzss_sv_used_ids_mask; - out.numOfMeasReceived = locationExtended.numOfMeasReceived; + out.flags |= GNSS_LOCATION_INFO_NUM_SV_USED_IN_POSITION_BIT; + out.numSvUsedInPosition = getNumSvUsed(out.svUsedInPosition.gpsSvUsedIdsMask, + GPS_SV_PRN_MAX - GPS_SV_PRN_MIN + 1); + out.numSvUsedInPosition += getNumSvUsed(out.svUsedInPosition.gloSvUsedIdsMask, + GLO_SV_PRN_MAX - GLO_SV_PRN_MIN + 1); + out.numSvUsedInPosition += getNumSvUsed(out.svUsedInPosition.qzssSvUsedIdsMask, + QZSS_SV_PRN_MAX - QZSS_SV_PRN_MIN + 1); + out.numSvUsedInPosition += getNumSvUsed(out.svUsedInPosition.bdsSvUsedIdsMask, + BDS_SV_PRN_MAX - BDS_SV_PRN_MIN + 1); + out.numSvUsedInPosition += getNumSvUsed(out.svUsedInPosition.galSvUsedIdsMask, + GAL_SV_PRN_MAX - GAL_SV_PRN_MIN + 1); + + out.numOfMeasReceived = locationExtended.numOfMeasReceived; for (int idx =0; idx < locationExtended.numOfMeasReceived; idx++) { out.measUsageInfo[idx].gnssSignalType = locationExtended.measUsageInfo[idx].gnssSignalType; diff --git a/gnss/GnssAdapter.h b/gnss/GnssAdapter.h index 13efab1..1e6d1b8 100644 --- a/gnss/GnssAdapter.h +++ b/gnss/GnssAdapter.h @@ -205,6 +205,8 @@ class GnssAdapter : public LocAdapterBase { const LocPosTechMask techMask); static void convertLocationInfo(GnssLocationInfoNotification& out, const GpsLocationExtended& locationExtended); + static uint16_t getNumSvUsed(uint64_t svUsedIdsMask, + int totalSvCntInThisConstellation); /* ======== UTILITIES ================================================================== */ inline void initOdcpi(const OdcpiRequestCallback& callback); diff --git a/location/LocationDataTypes.h b/location/LocationDataTypes.h index f8bb6cb..0c8e157 100644 --- a/location/LocationDataTypes.h +++ b/location/LocationDataTypes.h @@ -153,7 +153,9 @@ typedef enum { GNSS_LOCATION_INFO_HOR_ACCURACY_ELIP_SEMI_MAJOR_BIT = (1<<5), // valid elipsode semi major GNSS_LOCATION_INFO_HOR_ACCURACY_ELIP_SEMI_MINOR_BIT = (1<<6), // valid elipsode semi minor GNSS_LOCATION_INFO_HOR_ACCURACY_ELIP_AZIMUTH_BIT = (1<<7), // valid accuracy elipsode azimuth - GNSS_LOCATION_INFO_GNSS_SV_USED_DATA_BIT = (1<<8), // valid gnss sv used in pos data + GNSS_LOCATION_INFO_GNSS_SV_USED_DATA_BIT = (1<<8), // valid svUsedInPosition, + // numOfMeasReceived + // and measUsageInfo GNSS_LOCATION_INFO_NAV_SOLUTION_MASK_BIT = (1<<9), // valid navSolutionMask GNSS_LOCATION_INFO_POS_TECH_MASK_BIT = (1<<10),// valid LocPosTechMask GNSS_LOCATION_INFO_SV_SOURCE_INFO_BIT = (1<<11),// valid LocSvInfoSource @@ -168,7 +170,9 @@ typedef enum { GNSS_LOCATION_INFO_EAST_VEL_UNC_BIT = (1<<20),// valid East Velocity Uncertainty GNSS_LOCATION_INFO_UP_VEL_UNC_BIT = (1<<21),// valid Up Velocity Uncertainty GNSS_LOCATION_INFO_LEAP_SECONDS_BIT = (1<<22),// valid leap seconds - GNSS_LOCATION_INFO_TIME_UNC_BIT = (1<<23) // valid time uncertainty + GNSS_LOCATION_INFO_TIME_UNC_BIT = (1<<23),// valid time uncertainty + GNSS_LOCATION_INFO_NUM_SV_USED_IN_POSITION_BIT = (1<<24) // number of SV used in position + } GnssLocationInfoFlagBits; typedef enum { @@ -940,6 +944,7 @@ typedef struct { float northVelocityStdDeviation; float eastVelocityStdDeviation; float upVelocityStdDeviation; + uint16_t numSvUsedInPosition; GnssLocationSvUsedInPosition svUsedInPosition;// Gnss sv used in position data GnssLocationNavSolutionMask navSolutionMask; // Nav solution mask to indicate sbas corrections GnssLocationPosTechMask posTechMask; // Position technology used in computing this fix |