Thank you Danis for your support.
The problem was the missing TAP/TUN support in my kernel! Now everything is
working.
The sim800 is similar to sim900, it has the same features. I've made this
little fix to sim900.c:
420c420
< if (data->modem_type == SIM900) {
---
> if ((data->modem_type == SIM900) || (data->modem_type == SIM800)) {
to enable sms and gprs for the SIM800.
Regards
Da: "Denis Kenzior" [email protected]
A: "Riccardo Sala" [email protected], [email protected]
Cc:
Data: Thu, 16 May 2019 10:39:59 -0500
Oggetto: Re: Simcom SIM800 gprs data connection not working
Hi Riccardo,
>
> # dbus-send --system --print-reply --dest=org.ofono /sim900_0/context1
> org.ofono.ConnectionContext.SetProperty string:"Active"
> variant:boolean:true
> Error org.ofono.Error.NotImplemented: Implementation not provided
This basically means that no gprs_context atom has been created by the
modem driver or the driver initialization has failed. Briefly looking
at plugins/sim900.c, I can see that only sim900 (not sim800) supports
gprs. Given that you get this far, I assume you hacked this part to
create gprs/gprs_context...
The other place to look is to see whether the 'atmodem' gprs_context
driver is working properly. Perhaps you're missing the TUN/TAP support
in your kernel? Run 'sudo modprobe tun' and see if that fixes things.
See drivers/atmodem/gprs-context.c for more details.
Regards,
-Denis_______________________________________________
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