usb_string(..)

usb_string(..)

[Thiru Angaiyan]

Hi,
Is there a way to use this function “usb_string(..)
from a user space application without having a kernel
mode driver/equivalent.
I basically need to read the SerialNumber string of my
 Usb device. I am using libusb to get iSerialNumber
(index). I am looking for  some way to uniquely
connect to a device when there are more than one
device of same Product Id and Vendor Id exits on the
system , they may be plugged/unplugged and re
enumerate as new devices. I am writing a user space
driver based on libusb.  Any suggestion /help is
appreciated.
Thanks,
Thiru


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Re: usb_string(..)

[Johannes Erdfelt]

On Tue, Nov 05, 2002, Thiru Angaiyan <athiru@yahoo.com> wrote:
> Is there a way to use this function “usb_string(..)
> from a user space application without having a kernel
> mode driver/equivalent.
> I basically need to read the SerialNumber string of my
>  Usb device. I am using libusb to get iSerialNumber
> (index). I am looking for  some way to uniquely
> connect to a device when there are more than one
> device of same Product Id and Vendor Id exits on the
> system , they may be plugged/unplugged and re
> enumerate as new devices. I am writing a user space
> driver based on libusb.  Any suggestion /help is
> appreciated.

You can use libusb. Right now there is no implementation for usb_string,
but you can write your own using control messages.

I'll make sure to add an implementation ASAP since it's relatively easy
to do and worthwhile.

JE



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