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Re: Building dl_edb7xxx for cygwin?
"Lewin A.R.W. Edwards" wrote:
>
> > > io.c:139: `FIONREAD' undeclared (first use in this function)
> >
> >I think you may be able to get away with changing CharReady to always
> >return 1, at the expense of it being in a busy loop.
>
> This doesn't work, because dl_edb7xxx.c flushes the input queue with:
>
> while (CharReady(lPort))
> {
> cChar = ReceiveChar(lPort);
> }
>
> This code hangs with your suggested change.
>
> If I comment out that "flush input queue" code (it occurs twice in
> dl_edb7xxx.c) I get something that looks like it's working but I'm not sure
> if it really is (for instance, the "loading code" count doesn't get to 100%
> and the board doesn't boot after the download is complete).
IIRC the loading code never reaches 100% even when it works.
> I really do suggest you update the Windows install instructions for eCos to
> state that current gcc snapshots can't be compiled in cygwin right now
Or I could spend the time to try and track down the bug. What list were you
discussing it with gcc folks on? I had a look and couldn't find it...
Jifl
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