On Tue, 22 Nov 2005, Kiran Jammula wrote: > Hi, > I am developing Linux Host driver for a Device. The device has suppiled > Windows based driver. After connecting the device to PC the probe function > in my driver is being called. But pipe opened by using > usb_sndbulkpipe,usb_rcvbulkpipe ,usb_sndctrlpipe,usb_rcvctrlpipe is showing > negative value.
Those are macros; they don't open anything. They are _supposed_ to return negative values. > For the out end point device which function to be used.. What OUT endpoint? For an OUT bulk endpoint, use usb_sndbulkpipe. For an OUT control endpoint (i.e., endpoint 0), use usb_sndctrlpipe. Alan Stern ------------------------------------------------------- This SF.Net email is sponsored by the JBoss Inc. Get Certified Today Register for a JBoss Training Course. Free Certification Exam for All Training Attendees Through End of 2005. For more info visit: http://ads.osdn.com/?ad_id=7628&alloc_id=16845&op=click _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel