Re: [Barry-devel] Getting usb serial number string descriptor

[Eddy C. <edd...@gm...>]

Thanks Chris,

I've seen my mistake, it is working now. Thank you very much!


BR


2012/11/22 Chris Frey <cd...@fo...>

> On Thu, Nov 22, 2012 at 01:09:23PM -0600, Eddy Castillo wrote:
> > Hi all,
> >
> > Currently I'm working on a program to get a file with a lot of
> information
> > on BB devices using Barry. When I try to get the usb serial number (usb
> > device serial number not imei) I can get the iSerialNumber index (on
> > DeviceDescriptor) but when I try to get the string descriptor using
> > the usb_get_string_simple function I get a segmentation fault every time.
> >
> > Do you know what is the correct way to get this information?
>
> Something like this:
>
> +       char buf[1024];
> +       int ret = usb_get_string_simple(handle,
> +               desc.iSerialNumber, buf, sizeof(buf));
>
>
> I've added Device::GetSimpleSerialNumber() to the latest git, and I've
> added
> an -s option to the bidentify command line tool, to display the USB
> serial number.  Note that this is the same serial number retrieved via
> the lsusb tool, so you don't really need Barry, but might as well have
> this available through Barry as well.
>
> It works here.  Please let me know if you have trouble.
>
> - Chris
>
>
>
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-- 
Eddy Castillo
Statistics, Process Reengineering and Sofware Development Consultant
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