Re: may I commit this small umodem patch ?

On Saturday 05 July 2008, Luigi Rizzo wrote:
> On Sat, Jul 05, 2008 at 12:28:47AM +0200, Hans Petter Selasky wrote:
> > On Friday 04 July 2008, Luigi Rizzo wrote:
> > > On Fri, Jul 04, 2008 at 11:33:15PM +0200, Hans Petter Selasky wrote:
> > > > On Thursday 03 July 2008, Luigi Rizzo wrote:
> > > > > On Thu, Jul 03, 2008 at 05:07:00PM +0200, Gary Jennejohn wrote:
> > > > > > On Thu, 3 Jul 2008 16:07:19 +0200
> > > > > >
> > > > > > Luigi Rizzo <rizzo_at_icir.org> wrote:
> > > > > > > There was a discussion back in september about adding
> > > > > > > support for basic CDC tty devices in umodem.c.
> > > > > > > This lets you talk to a number of usb devices built around
> > > > > > > microcontrollers (e.g. Atmel), and puts us on par with
> > > > > > > Linux and Windows in terms of supporting these devices.
> > > > > > >
> > > > > > > Because this simply requires the small patch below to the
> > > > > > > probe/attach routine, so if there are no objections I plan to
> > > > > > > add this to the system (CURRENT then RELENG_7 and RELENG_6) in
> > > > > > > the next few days.
> > > >
> > > > What about flow control? Is flow control required for these devices?
> > >
> > > the ones I am talking about don't implement any form of flow control.
> > > I suppose they would otherwise match the previous check.
> > >
> > > luigi
> >
> > I mean, are you going to upload firmware through these interfaces?
>
> the OS only know about bytes.
>
> are firmware, software, data or random noise.
> if you want to know whether the sam7 uploader works, yes it does.
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Yes, but you know that umodem can drop data, if the buffers overflow ?

--HPS