My latest side-project has been toying with Panasonic Toughpads to replace the Raspberry Pi that’s so vital to my station. When I began I was envisioning my station mounted in a Pelican box or something of the like but I ended up looking for other options because the more I’ve hiked and camped and traveled.
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Now to prep the OS and modem for the work that needs done. Start by probing the modem for information: Then take the number the system assigned the modem (mine’s zero but it can vary): The most important pieces here for this project are under System. Note the device: path and the primary port: and.
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In this part, now that ModemManager isn’t interfering, verify the onboard GPS and the qmi-to-gps link is enabled. We do this with AT (attention) commands. One of the oldest (maybe THE oldest?) method of sending instruction to a modem. AT terminals are accessed across whatever /dev/tty device they are assigned using the socat command. Refer.
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Now that the modem’s all set up time for the fun stuff. Start with nabbing all the software required: Next, start location tracking, the session id selected is arbitrary but make sure you verify your cdc-wdm#: You’ll get some output like so: At this point the modem starts spewing NMEA strings out the QMI. Unfortunately.
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