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    Is modemmanager on VOXL1?

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    • Ed SutterE
      Ed Sutter
      last edited by

      I'm struggling to understand how the modem link is managed/maintained in VOXL; so I have a few questions...

      As best I can tell, modemmanager is not used, true?
      I see the sierra.py script runs at startup (assuming voxl-configure-modem has been run prior) polling for /dev/ttyUSB2. That's fine for startup, but what about runtime... Is anything monitoring the link status?
      What facility/service is actually using qmi_wwan0.c in VOXL?
      Finally...
      After voxl-build completes, I can see several different qmi_wwan0.c files
      under the workspace. Which one is actually used?

      Thanks for your patience!

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      • tomT
        tom admin
        last edited by

        @Ed-Sutter That is correct, modemmanager is not used.

        As you can see in the patch here: https://gitlab.com/voxl-public/system-image-build/meta-voxl/-/blob/master/recipes-kernel/linux-quic/files/qmi_wwan2.patch

        The path to the qmi_wwan.c file that is being modified / used is drivers/net/usb/qmi_wwan.c

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