Date: Wed, 27 May 2009 19:39:21 +0000 From: Sylvestre Gallon <ccna.syl@gmail.com> To: Hans Petter Selasky <hselasky@c2i.net> Cc: Perforce Change Reviews <perforce@freebsd.org> Subject: Re: PERFORCE change 162889 for review Message-ID: <164b4c9c0905271239w21e72ad2r14014dfdd11099c9@mail.gmail.com> In-Reply-To: <200905272129.39606.hselasky@c2i.net> References: <200905271656.n4RGuEgK056279@repoman.freebsd.org> <200905272129.39606.hselasky@c2i.net>
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On Wed, May 27, 2009 at 7:29 PM, Hans Petter Selasky <hselasky@c2i.net> wro= te: > On Wednesday 27 May 2009, Sylvestre Gallon wrote: >> +=A0=A0=A0=A0=A0=A0=A0case LIBUSB_TRANSFER_TYPE_ISOCHRONOUS: >> +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0/* what means frindex ? */ >> +=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0libusb20_tr_setup_isoc(usb= 20_xfer, xfer->buffer, >> xfer->length, 0); > > Unlike in the kernel you need to specify the buffer+length pair for all > ISOCHRONOUS frames up to and including "max_frames-1". > > In you code you have only setup one frame [index 0] . > ok, if I understand fr_index arguments in libusb20_tr_setup_isoc refers to the number of isochronous packets ? Cheers, --=20 Sylvestre Gallon (http://devsyl.blogspot.com) Fifth Grade Student @ Epitech & Researcher @ LSE R&D @ Rathaxes (http://www.rathaxes.org)
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