Subject:
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Re: Echoing printf to terminal
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 25 Feb 2002 17:52:54 GMT
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Viewed:
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9339 times
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i don't know this offhand. you'd have to assemble the pcode source
and look and see where it ends up.
it's a ring buffer tho' so it might be a little tricky. you'd be
better off patching the lcd print interrupt routine (it unspools
one char per ms to the lcd).
fred
On Monday, February 25, 2002, at 12:44 PM, Viktor Dvorak wrote:
> Dear Fred Martin,
>
> please can you tell us the hex address from where is the (printf)
> composed string printed to LCD.
> I suppose it is near 0xC100. I use my own assembler routines to
> send data to
> PC using another COM port.
> The routines using PA7 are simple, the baud rate till 38400 Baud 8N1
> protocol is possible.
>
> Many thanks
>
> Viktor Dvorak
> dvorakvik@seznam.cz
>
> ----- Original Message -----
> From: "Fred G. Martin" <fredm@alum.mit.edu>
> To: <lugnet.robotics.handyboard@lugnet.com>
> Sent: Monday, February 25, 2002 6:17 PM
> Subject: Re: Echoing printf to terminal
>
>
> > this is non-trivial. The -loopback option isn't what you think it
> > is; it's a flag telling the downloader that the low-level serial
> > ckt has a hardware echo. it's relevant to an earlier 6811 design
> > (the mini board), not the HB design.
> >
> > this would require code changes to both the runtime pcode and the
> > desktop side. when randy and i were design the IC system we
> > thought about this feature -- there may be the beginnings of some
> > hooks in the code -- but it was never implemented.
> >
> > fred
> >
> >
> > On Monday, February 25, 2002, at 11:58 AM, Levent Besik wrote:
> >
> > > Hi folks,
> > >
> > > We have been looking for a way to echo the printf()s on LCD to the IC
> > > terminal on host computer (using 2.86 - freeware). IC has a -loopback
> > > option, but apparently that only works for HB rev 1.5 and earlier. Is
> > > there a way to do this with the new rev 2.21 HB? From what we
> > > understand, the HB error messages are echoed back to the terminal, so
> > > we're thinking that there must be a way.
> > >
> > > If this involves a code change in IC, we are also ready to tackle
> > > that.
> > > Any help/hack/suggestion is appreciated.
> > >
> > > Thanks and have a great day!
> > > -Levent
> >
> >
>
>
>
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