Hi Lukasz,
On 03/20/2017 08:19 AM, Lukasz Nowak wrote:
Hi Piotr, Denis,
With the qmimodem patch I was able to bring the LE910-SVG modem on-line.
But I had to do two things:
So it looks like the LE910 is a Qualcomm chip / firmware, funny.
1. The gprs driver was never getting attached.
a) This statement in src/gprs.c, gprs_netreg_update()
if (ofono_netreg_get_technology(gprs->netreg) ==
ACCESS_TECHNOLOGY_EUTRAN)
/*
* For LTE we set attached status only on successful
* context activation.
*/
return;
means that the gprs->driver_attached is never set to true.
If I remove this piece of code, the gprs->driver->set_attached() gets called,
and that
gets everything attached and working.
Strictly speaking this statement is correct. In LTE there's really no
concept of 'attached'. We're attached by the virtue of getting onto the
LTE network (the default bearer is always available). So there should
be no need to explicitly issue a set_attached method.
b) I can see, that another path to it would be:
qmimodem/gprs.c create_nas_cb() calls qmi_service_register(QMI_NAS_SS_INFO_IND,
ss_info_notify)
But then, ss_info_notify() is never called. I think that the modem is quick
enough to register
to the network before qmi_service_register(QMI_NAS_SS_INFO_IND) is called.
c) Denis, you mentioned that I need to call ofono_gprs_cid_activated()
Which piece of code should do that? qmimodem/network-registration.c or
plugins/gobi.c?
your gprs.c atom driver.
2. qmimodem/network-registration.c:extract_ss_info() seems to be getting a
corrupted
operator name:
plmn->desc_len = 3
plmn->desc[] = { 0x56, 0xfd, 0x15 }
The first byte seems correct ('V' for Verizon), but the other two are wrong
(later on, dbus
aborts the entire ofono process, saying this is not a valid utf-8 string).
plmn->mcc and plmn->mnc are correct (311:480 - US:Verizon)
Have you ever seen anything like that?
If I replace the invalid characters, everything works ok. But I imagine this is
not
the right way to handle this.
I have not played with QMI enough to give any guidance. You might want
to look at libqmi to see if they handle this differently.
Regards,
-Denis
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