We need to update gps.c in order to give mcp accurate LAT/LON data in the absence of a CSBF GPS.
Acceptance
Follow the gpsdclient architecture to connect to a running instance of gpsd, and query it for the latest info from the daemon.
When complete, the module shall continuously try to query the daemon for LAT/LON data. When the daemon responds, it shall update GPSData->latitude, GPSData->longitude, and GPSData->is_new (NOT gps_info, which is unused in mcp) with the LAT/LON in degrees.
Task
We need to update
gps.cin order to givemcpaccurate LAT/LON data in the absence of a CSBF GPS.Acceptance
Follow the
gpsdclient architecture to connect to a running instance ofgpsd, and query it for the latest info from the daemon.When complete, the module shall continuously try to query the daemon for LAT/LON data. When the daemon responds, it shall update
GPSData->latitude,GPSData->longitude, andGPSData->is_new(NOTgps_info, which is unused inmcp) with the LAT/LON in degrees.Details
gpsdhas kindly provided an example client in C: https://gpsd.gitlab.io/gpsd/gpsd-client-example-code.html Copy as much as possible, with attribution.In order to use the
gpsdclient API, which was installed when we installedgpsdfromapt, you will need to link againstlgpsby editing the CMake.GPSDatais useful forpointing.c, in that it allows us to know our location if the SIP GPS data is not present.