Telit LE910-NVG

[Sebastian Sjoholm]

Hi Randy,

Did you try following;

AT#USBCFG?

and

AT#USBCFG=?

-Sebastian


> On Feb 6, 2016, at 04:17 , Randy Yates <yates at digitalsignallabs.com> wrote:
> 
> Hi Sebastian,
> 
> Thank you for your assistance. 
> 
>> Hi,
>> 
>> Check the USBCFG of the LE910 that it is the wanted one (command
>> AT#USBCFG), I have had some issues with HE910/LE920 regarding wrong
>> USB configuration in the shipping configuration and needed to change
>> it get the interfaces I need.
> 
> That AT command doesn't work for me. I get (from minicom terminal)
> 
> AT#USBCFG
> ERROR
> AT+GSN
> 359019050001202
> 
> OK
> AT+USBCFG
> ERROR
> 
> I did a GSN just to show it's working, and I also tried USBCFG with the
> "+" just to try something.
> 
> --Randy
> 
>> 
>> Regards,
>> Sebastian
>> 
>>> On Feb 4, 2016, at 19:44 , Bjørn Mork <bjorn at mork.no> wrote:
>>> 
>>> Randy Yates <yates at digitalsignallabs.com> writes:
>>> 
>>>> After running this code, the 910 enumerates on the USB bus. I see
>>>> /dev/ttyUSB0 through /dev/ttyUSB4. I can also connect to /dev/ttyUSB2
>>>> and issue AT commands successfully, e.g., "AT+GSN" and receive the
>>>> IMEI number back.
>>>> 
>>>> Also the result of lsusb looks right:
>>>> 
>>>> root at arm:~# lsusb
>>>> Bus 001 Device 002: ID 1bc7:1201 Telit 
>>>> Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>>> ..
>>>> The qmi_wwan kernel module also appears to be loaded as evidenced
>>>> from the lsmod:
>>> 
>>> qmi_wwan is supposed to bind to interface #2 on that device.  I don't
>>> know why it hasn't.  dmesg output would be good.  Maybe there is some
>>> error?  Or maybe some other driver has bound to that interface already?
>>> It is blacklisted in the option driver, but if you (or some script) has
>>> messed with dynamic IDs then it could still be taken.
>>> 
>>> A few commands to try debug this further:
>>> 
>>> lsusb -vd 1bc7:1201
>>> ls -ld /sys/bus/usb/devices/*/driver
>>> dmesg
>>> cat /sys/bus/usb-serial/drivers/option1/new_id
>>> 
>>> 
>>> 
>>> Bjørn
> -- 
> Randy Yates, DSP/Embedded Firmware Developer
> Digital Signal Labs
> http://www.digitalsignallabs.com
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