Re: TI-H: List Conversion/Comms <-> Casio Calcs
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Re: TI-H: List Conversion/Comms <-> Casio Calcs
I actually have some decent IR plans. It is a RS232 link, that will be compatible
with the $4 (10 from R.S.) serial link. I will soon post the schematics on my web
page, they should be up by next week. A few of the chips are hard to come by
though.
Greg
http://www.geocities.com/SiliconValley/Horizon/4869
Osma Suominen wrote:
> Nicholas Piper wrote:
>
> >>That depends much on the protocol the Casio uses. If the Casio has a link
> >>port similar to the TI's it would probably be possible, provided that the
> >>protocol the Casio uses is not time-critical. But even if it's possible, I
> >
> > I think its similar to the Ti protocol, only different, IYSWIM ;-)
>
> Whoa, that helped a lot ;)
> The main question is: Can the TI link port hardware be used with the Casio
> protocol?
>
> >>don't think swapping lists between a TI and a Casio is feasible. The
> >>programmer would need to know the protocol the Casio uses, and the way
> >>lists are stored on a Casio and a TI. The asm program would convert the
> >
> > The .cas format is simple, similar again in design to the Ti format.. just
> > uses different headers and stuff :-)
>
> Well, then the converting should be reltively easy...but still, there are
> many other obstacles...
>
> >>format and send the data with the Casio link protocol, whatever that is. If
> >>you're really interested, you probably have to do it yourself unless you
> >>can really convince someone that such a program is really needed.
> >
> > Hum, anyone feel like teaching me asm then ? :-) I only need to know
> > about waiting on a chr from the port, and sending a chr.. oh, and
> > accessing Ti List memories.. oh, and asm in general ;-))
>
> There are online asm schools, books etc. You could start at www.ticalc.org.
>
> >>> I've just had someone mail me (still in the mail, too) some IR
> >>> transceiver modules, so I'm gonna build a nice IR "cable" for my
> >>> calc :-) only 3 metres, so I might try adding to it more powerful
> >>> IREDS's...
> >
> >>I doubt that it'll work, but good luck...
> >
> > The whole idea, or just the adding extra power IREDS ?
>
> The whole idea, because dozens of IR link designs have been tried by me and
> many others, and none of them has worked well, mainly because the link
> cable has two data lines which are both bidirectional. It's technically
> quite difficult to send such data over an IR link.
>
> -Ozone
>
> --
> *** Osma Suominen *** ozone@clinet.fi *** http://www.clinet.fi/~ozone ***
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