We have experienced usb data packet lost with the method we used in the program. So we think that multiple urb may be a solution otherwise we have to modify the usb driver.
Thanks Oliver -----Original Message----- From: Greg KH [mailto:[EMAIL PROTECTED] Sent: Monday, November 29, 2004 4:27 PM To: Lan, Oliver Cc: [EMAIL PROTECTED] Subject: Re: [linux-usb-devel] multiple URB? On Mon, Nov 29, 2004 at 04:12:24PM -0800, Lan, Oliver wrote: > We have experienced data packet lost by using user space application to > read usb device. > The problem seems to me is how to submit multiple URB requests at the > user level? From userspace, with usbfs, I do not think this is possible to do, but others who are more familiar with usbfs could give you a more definate answer. Why do you think you need to submit multiple urbs? thanks, greg k-h ********************************* **** Appended by Interlink Electronics. ***** This e-mail and any attachments may contain information which is confidential, proprietary, privileged or otherwise protected by law. The information is solely intended for the named addressee (or a person responsible for delivering it to the addressee). If you are not the intended recipient of this message, you are not authorized to read, print, retain, copy or disseminate this message or any part of it. If you have received this e-mail in error, please notify the sender immediately by return e-mail and delete it from your computer. ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://productguide.itmanagersjournal.com/ _______________________________________________ [EMAIL PROTECTED] To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
