I'm sorry, but I can't tell you what the problem is, as I am not
familiar with your device and the content of USB data is
device-specific, it is not defined by the USB spec.  If you very
specifically mention exactly what the device is, by name, someone on
the list might be able to help you.  Also the vendor and product IDs
may help.

As far as your C++ code, it would help understand what you were doing
if you say what you were using to talk to the USB device, i.e. direct
usbfs access or libusb (or something else).  Also, posting your C++
code would help, and posting your java code would probably help too.

Thanks.

On 8/21/07, Oscar Ocampo <[EMAIL PROTECTED]> wrote:
>
> Hello again.
>
>  Excuse me, but my english is too bad
>
>  I have a device that is handled by USB. I installed That Device on linux
> and worked well with a code done in C++,  throught  writing and reading a
> library file .so. I need to handle that device with JAVA. Following the
> specifications of the device, It is type bulk. when I send commands in ASCII
> It would have to return other ASCII, but it is not thus, It sometimes
> returns  0x00 and other times 0x31 and 0x60. I am not sure if the device is
> receiving  the data what I send.
>  If the program make in C++ worked well, why It did not work using javax.usb
> ???
>
>  I apologize for my english
> --
> I hope what you can help me.
>  thank you very much
>
>  o si lo prefiere se lo relato en espaƱol
>  muchas gracias
>

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