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CHANGELOG.md

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Changelog

[3.4.*]

  • You can now set the provide location information update rate with --update-rate.
  • Added more options for SPARTN generation:
    • --no-code-bias-translate to never translate between signal biases.
    • --no-code-bias-correction-shift to never apply correction shift to code biases.
    • --no-phase-bias-translate to never translate between signal biases.
    • --no-phase-bias-correction-shift to never apply correction shift to phase biases.
    • --hydrostatic-in-zenith to include hydrostatic delay residuals in the zenith residuals.
    • --no-gps to skip generating GPS SPARTN messages.
    • --no-glonass to skip generating GLONASS SPARTN messages.
    • --no-galileo to skip generating Galileo SPARTN messages.
    • --beidou to include generating BeiDou SPARTN messages.
    • --flip-grid-bitmask to flip incoming LPP grid bitmask.
  • Deprecated the following options:
    • --iode-shift removed as it was not used.
    • --ublox-clock-correction is now the default behavior, use --no-ublox-clock-correction to disable it.
    • --force-continuity is now the default behavior, use --no-force-continuity to disable it.
    • --average-zenith-delay is now the default behavior, use --no-average-zenith-delay to disable it.
  • Removed from_ellipse and replaced it with:
    • to_ellipse_39 to create a horizontal accuracy ellipse with 39% confidence, will not rescale the axes.
    • to_ellipse_68 to create a horizontal accuracy ellipse with 68% confidence, will rescale the axes.
  • RTCM 1006 physical reference station indicator was incorrectly set to 0 for "virtual" stations and 1 for "physical" stations, instead of the other way around.
  • RTCM 1005 physical reference station indicator was incorrectly set to 0 for "virtual" stations and 1 for "physical" stations, instead of the other way around.
  • Added options for example-lpp:
    • --no-gps to skip generating GPS RTCM messages.
    • --no-glonass to skip generating GLONASS RTCM messages.
    • --no-galileo to skip generating Galileo RTCM messages.
    • --no-beidou to skip generating BeiDou RTCM messages.
  • Added receiver option --readonly to prevent opening receiver serial port in write mode.
  • Added support to export NMEA sentences to file with --nmea-export-file command-line argument.
  • Added support to export UBX messages to file with --ublox-export-file command-line argument.
  • New example that shows how to decode LPP-Message objects from UPER octets (see example-decode-uper)
  • Added support for B2a(D), B2a(P), B2a(D+P), and B2b(I) signals in RTCM.

[3.4.11] 2024-09-26

  • Added support for UBX-RXM-RAWX messages.
  • Added support for $PQTMEPE messages.

[3.4.10] 2024-08-07

  • Added new control command /IDENTITY to provide the client with the IMSI, MSISDN, or IP address. See CONTROL.md for more information.
  • Added new option --wait-for-identity to have the client wait for an identity before sending any assistance data requests.
  • Added new example example-modem-ctrl to demonstrate how to send control commands of cell IDs and IMSI to the client using the control interface.
  • Fixed a bug where /CID (or any update assistance data request) would leak memory if the client couldn't encode the message.
  • Updated modem library and example-lpp is no longer using it. Use control commands to update cell IDs and IMSI instead.
  • Added options to use the SLP address instead of providing --host.
    • --slp-host-imsi to use the IMSI to generate the SLP address.
    • --slp-host-cell to use the cell information to generate the SLP address.
  • Fixed a bug where the default ura-override value was initialized to 0 causing the SPARTN generator to always include it as "unknown".
  • Updated example location implementation in the LPP example to match the new version of the LocationInformation struct (#28 by Phillezi)
  • Added option --lrf-message-id to specify the RTCM message type to be used with --format lrf-uper.
  • Added TCP and UDP support when using the NMEA receiver.
    • --nmea-tcp to specify the TCP ip address to connect to.
    • --nmea-tcp-port to specify the TCP port to connect to.
  • The encoding of ha-uncertainty has been changed to the closed value and will never be encoded as 0.0m.
  • Fixed bug where std::stoull would throw an exception and crash the client

[3.4.9] 2024-05-03

  • Added a few options to controll how SPARTN messages are generated:
    • --sf055-default to set the default value for the ionospheric quality if not available.
    • --sf042-override to force the tropospheric quality to a specific value (previous --ura-override was also used for this).
    • --sf042-default to set the default value for the tropospheric quality if not available.
    • --filter-by-ocb to filter out ionopsheric residuals for satellites not in the OCB.
    • --ignore-l2l to ignore L2L biases.
  • Fixed a bug where parsing NMEA GGA would fail if age of corrections was not provided.

[3.4.8] 2024-04-26

  • Added support for age of correction when using NMEA.

[3.4.7] 2024-04-25

  • Added support for UBX-RXM-RTCM messages.
  • Added support for UBX-RXM-SPARTN messages.
  • Added new format option lrf-uper to output RTCM framed UPER encoded 3GPP LPP messages.
  • Updated 3GPP LPP version from Release 16.4.0 to Release 18.1.0.
  • HA-GNSS-Metrics data is now included in the ProvideLocationInformation message.
  • Fixed memory leak from ProvideLocationInformation.

[3.4.6] 2024-04-04

  • You can optionally include/exclude which generators to build by using the CMake options -DINCLUDE_GENERATOR_*. By default, RTCM and SPARTN generators are included and the old SPARTN generator is excluded.
  • Added support for control commands in the example-lpp when using osr, this was previously only available in when using ssr.

[3.4.5] 2024-04-02

  • SPARTN generator will not use provided URA epoch-time. This caused issues where only the URA timestamp would be used and because it isn't update vary frequently the corrections data would not be used.
  • SPARTN is now "officially" supported. It has been tested with multiple data feed providers and is working as expected.
  • Added option to override the ionospheric quality indiciator (SF055).
  • Added support for external control commands. This allows the client to be controlled by an external application. See CONTROL.md for more information.
  • Building with OpenSSL support is now off by default. To enable it, use -DUSE_OPENSSL=ON when building with CMake.
  • Experimental changes can now be toggled with -DEXPERIMENTAL=ON when building with CMake.

[3.4.4] 2024-03-06

  • Fixed message nullptr exception.
  • IMSI and MSISDN used unsigned long which doesn't have enough bits to store all possible values. Changed to unsigned long long.
  • Added support to use 5G NR cells in addition to LTE cells.
  • Reworked LocationInformation structure to be more aligned to the 3GPP LPP specification. It now supports more location coordinate and velocity types. All example function to fill in the LocationInformation structure have been updated to reflect this change.
  • Changed --location-info to --fake-location-info (or -fli).
  • Changed --latitude to --fake-latitude (or -flat).
  • Changed --longitude to --fake-longitude (or -flon).
  • Changed --altitude to --fake-altitude (or -falt).
  • Added --location-report-unlocked to always use the server provided location information update interval. Otherwise, the update interval will be set locked to 1 second.
  • Added support to parse request periodicity from RequestLocationInformation message.
  • When using the u-Blox receiver in example-lpp, it will not load the receiver configuration. This behavior is unchanged for example-ublox but can still be disabled with --disable-config.

[3.4.3] 2024-02-08

  • Added option to export NMEA sentences to a unix socket or a TCP connection. See --nmea-export-* command-line arguments. This requires the use of the NMEA receiver.
  • Fixed a bug where in cases of TCP connection failure, the addrinfo struct was not freed.

[3.4.2] 2024-02-02

  • Fixed a bug where GAD messages had TF009 set to 0. It will now be set to time specified in the STEC/Gridded IE.
  • Fixed a bug where parsing bitfields in UBX-NAV-PVT would not be incorrect.

[3.4.1] 2024-01-30

  • Fixed a crash due to missing null pointer check in NMEA ThreadedReceiver.

[3.4.0] 2024-01-26

  • Support for receivers that communicate using NMEA protocol has been added. The following sentences are now supported:
    • GGA
    • GST
    • VTG
  • Added a new example has been added to demonstrate how to use the NMEA receiver.
  • Added a command-line argument --print-receiver-messages (or --prm) to print all received messages to the standard output. This option is valid for any receiver (NMEA or u-Blox).
  • Fixed a bug related to ASN.1 BIT STRING encoding. The MSB and LSB were swapped. This should not affect OSR or SSR assistance data request.
  • Fixed a bug where the SUPL identity was not properly encoded when using IMSI and MSISDN. A value for ABCD was encoded as BADC. The fix is only active when the argument --supl-identity-fix is passed.
  • Added way to send a "fake" location has been added with the command-line arguments --location-info, --latitude, --longitude, and --altitude. There is also an option to always send location information, even if the location server does not request it. This is done with the command-line argument --force-location-info.
  • Added a option (--rtcm-print) to disable printing the "RTCM: XXXX bytes | " lines when using OSR and RTCM generation has been added.
  • Added two SPARTN generators:
    • spartn - The original SPARTN generator.
    • spartn2 - A new SPARTN generator that is based on the original SPARTN generator. It's recommended to use this generator instead of the original SPARTN generator.
  • Added support to output ASN.1 UPER encoded 3GPP LPP ProvideAssistanceData messages from the example_lpp.
  • Moved build-with-gcc4.8.sh to docker/verify-with-gcc4.8.sh and removed the use of sudo in the script.
  • Changed to use TAI_Time instead of time_t to represent estimation time in the LocationInformation structure.
  • provide_location_information_callback_ublox now sets the location_info->time field to the time received from the receiver instead of the current time.
  • Fixed a bug where --ublox-serial-data-bits was used instead of --serial-data-bits for the output serial configuration.
  • Fixed command-line argument --version (or -v) to actually print the version.
  • Added a new example example_lpp2spartn to demonstrate how to convert LPP to SPARTN. It takes ASN.1 UPER messages from STDIN and converts them to SPARTN messages.
  • Added a new example example_ntrip which can be used to connect to an NTRIP caster and receiver RTCM messages.
  • Added a new interface stdin that can be used to read data from STDIN.
  • ProvideLocationInformation now uses MeasurementReferenceTime to provide a precise time estimate with a 250ns resolution.
  • Fixed a bug where UBX messages would be missed due to the way we were reading from the interface.
  • Fixed a bug where the bitfields in UBX-NAV-PVT were not properly right-shifted down to the LSB. diff_soln would report 0b00 or 0b10 instead of 0b0 or 0b1.