On Fri, 30 Jun 2006, JackRain wrote:

> Alan Stern,ÄúºÃ£¡
> 
>           thank you !!!
>         my firmware can now act as a udisk now.
>         and can do creat ,copy ,delete etc .
> 
>         yeah,i response the unsupported command  as Alan said.
> 
>         __then__ I read the Bulk-out endpoint to get next CBW.
> 
>         the bus reset was caused by I didn't response to the next command 
> after stall.
> 
>         but my firmware is still unstable.
> 
>         when I remove some printk message in read/write endpoint IO accessing 
> function,
>               the device still raise bus reset.
>  
>         and the speed is too low ,only 2KB/s in FS mode.

You will find it very helpful to connect your device to a Linux host 
instead of a Windows host.  You can get more detailed debugging 
information from Linux.

Alan Stern


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