Reg Adding GPS NMEA & GPS RAW Capabilities to get GPS location using mmcli

[Ramu]

I applied patches you mentioned for UDEV tags ... Seems to be working now..

mmcli -m 0 --location-status
  ------------------------
  Location | capabilities: 3gpp-lac-ci, gps-raw, gps-nmea, gps-unmanaged
           |      enabled: 3gpp-lac-ci
           |      signals: no
  ------------------------
  GPS      | refresh rate: 30 seconds

### *Enabling GPS working fine #*##

root at tcs-imx6:~# mmcli -m 0 --location-enable-gps-nmea


successfully setup location gathering
root at tcs-imx6:~# mmcli -m 0 --location-enable-gps-raw
successfully setup location gathering
root at tcs-imx6:~#

### *Do we need get any location Data here ??? ####*
root at tcs-imx6:~# mmcli -m 0 --location-get-gps-raw


error: no actions specified
root at tcs-imx6:~# mmcli -m 0 --location-get-gps-nmea
error: no actions specified

But the GPS data is comign on the ttyUSB1 port .. I have not connected any
passive or active antenna for GPS as of now.. But seeing below data ...

cat /dev/ttyUSB1
$GPVTG,,T,,M,,N,,K,N*2C
$GPGSA,A,1,,,,,,,,,,,,,,,,*32
$GPGGA,,,,,,0,,,,,,,,*66
$GPRMC,,V,,,,,,,,,,N,V*29
$GPGLL,,,,,,V,N*64
$GPVTG,,T,,M,,N,,K,N*2C
$GPGSA,A,1,,,,,,,,,,,,,,,,*32
$GPGGA,,,,,,0,,,,,,,,*66
$GPRMC,,V,,,,,,,,,,N,V*29
$GPGLL,,,,,,V,N*64
$GPVTG,,T,,M,,N,,K,N*2C
$GPGSA,A,1,,,,,,,,,,,,,,,,*32
$GPGGA,,,,,,0,,,,,,,,*66
$GPRMC,,V,,,,,,,,,,N,V*29
$GPGLL,,,,,,V,N*64

On Sat, Jun 20, 2020 at 2:45 PM Aleksander Morgado <aleksander at aleksander.es>
wrote:

> Hey,
>
> > Yes, No GPS capabilities reporting by mmcli ...
> > mmcli -m 0 --location-status
> >   ------------------------
> >   Location | capabilities: 3gpp-lac-ci
> >            |      enabled: 3gpp-lac-ci
> >            |      signals: no
> >   ------------------------
> >
> >  mmcli -m 0 --location-enable-gps-nmea
> > error: couldn't setup location gathering:
> 'GDBus.Error:org.freedesktop.ModemManager1.Error.Core.Unsupported: Cannot
> enable unsupported location sources: 'gps-nmea''
> >
>
> Ok, the reason for this is that there are no udev tags flagging any
> port as GPS data for the device with vid:pid 1bc7:1201.
>
> You're missing at least commits
> 8b7bdea7e07ca12f787ede809471f413ba988697 and
> 9c77fb8834cf8b666baa2778514f809f11e303f3 in your custom build. These
> patches are already scheduled to be included in MM 1.12.12, whenever
> that happens.
>
> --
> Aleksander
> https://aleksander.es
>
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