Re: [Libusb-devel] error submitting URB: No such file or directory

[Paul U. <pau...@gm...>]

Hi Xiaofan Chen,

To load the firmware, I downloaded gpib_firmware-2008-08-10 on
http://linux-gpib.sourceforge.net/firmware/
Then I enterered the following command:

# fxload -D /dev/bus/usb/002/013 -L niusbb_firmware.hex -s niusbb_loader.hx

There is no usb directory in /proc/bus/, but /dev/bus/usb/ should work as
well, am I right ??

The idProduct is still 0x702b and I still get the same error.

Paul

2011/4/15 Xiaofan Chen <xia...@gm...>

> On Fri, Apr 15, 2011 at 3:47 PM, Paul URVOAS <pau...@gm...>
> wrote:
> > Concerning the endpoint number, I got it using USBTrace (on windows). Is
> > there any differences about endpoint numbers with Linux and Windows.
>
> No. I believe your issue is that you have not load the firmware
> under Linux. Under Windows, probably the driver loads
> the firmware already for you.
>
> > Anyway, I tried to change this value with different endpoint numbers,
> that
> > changed anything.
> > If you have any idea else to fix my problem, please help ?
>
> You can post the "lsusb -vvv" result under Linux and "usbview"
> results under Windows (for your device). From there, you can see
> whether the correct USB PID is 0x702A or 0x702B.
>
> Microsoft Usbview for Windows (FTDI's version)
> http://www.ftdichip.com/Support/Utilities.htm
>
>
> --
> Xiaofan
>
>
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