Hi Aleksander,
> ModemManager does not know how to use the cdc-ncm ports exposed by the
> modem, the implementation is missing.
> IIRC we had some attempt to implement this, and I even got some HL
> modules sent by Sierra to me, but I'm missing the devkit to use them
That explains the issues I’m seeing. I am using the Linkwave PiloT board, that
seems to work ok.
So I guess, you’d recommend using MBIM with the Sierra HL? Do you have any idea
why ModemManager detects it as Generic?
-------------------------
Hardware | manufacturer: 'Generic'
| model: 'MBIM [8087:0911]'
| revision: 'M2M_7160_MBIM_CAT1_WW_01.1804.'
| H/W revision: 'XMM7160_V1.2_MBIM_NAND_REV_4.5'
| supported: 'gsm-umts, lte'
| current: 'gsm-umts, lte'
| equipment id: ‘xxx’
This is what I am seeing in the logs:
Mar 13 11:00:29 144d32b ModemManager[2688]: [1552474829.130316] (Sierra)
[wwan0] filtered by vendor/product IDs
Mar 13 11:00:29 144d32b ModemManager[2688]: [1552474829.132989] (Sierra)
[ttyACM0] filtered by vendor/product IDs
Mar 13 11:00:29 144d32b ModemManager[2688]: [1552474829.146082] (Sierra)
[cdc-wdm0] filtered by vendor/product IDs
I guess, the VID:PID are not included in my version of ModemManager. Actually,
looking at what’s advertised by the device, the VID:PID is 8087:0911 which
conflicts with what’s documented (0807:0911). I’ll dig some more.
Best regards,
Sven
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