On Tuesday 09 October 2007, GAURAV GUPTA wrote: > Hi all, > > My name is tarru .i am trying to understand the usb call . > > and currently i got struck and i would like to know the difference > between functions. > > > usbd_transfer() > > and > > usbd_do_request() > > are we doing anything different ? .i confused since in both cases we are > transferring/queering for data to usb device > > Please let me know if anybody can help on this > > Thanks, > > Tarru
Hi, "usbd_do_request()" is a wrapper function for "usbd_transfer()" that does synchronous control transfers on endpoint zero only. --HPS _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-usb To unsubscribe, send any mail to "[EMAIL PROTECTED]"
