Re: TI-H: DRAM Expander

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Re: TI-H: DRAM Expander


Grant:  This sounds like a great way to do things for something that will
be controlled by the person all the time, but could you make it so it can
be driven without user intervention?  I mean, I (or someobody else) could
write a driver for it to suit my needs, but could the expander firmware
handle control from a driver that wouldnt require the LCD?  Perhaps make it
possible to not have an LCD at all.

just some ideas
Jonathan Kaus



At 10:37 PM 10/14/98 -0800, you wrote:
>
>I'm probably going to design a basic compatible model.  Most likely it will
>use an old 4x20 LCD I have laying arround.
>
>My code that I had before was basically very perimitive.
>
>It would use a segment LED to display a file number.  The up and down
>arrows changed the number, and the right and left either sent or received
>files.
>
>Grant
>
>Grant
>
>
>>I was planning to make a expander myself, so i thought i tell you a
>>few ideas that i had.
>>First of all, since you're probably releasing the avr code, how about
>>including a programmer on the schematic, so that everyone with a PC
>>can program the avr for itself? It will take minimum/no components to
>>realise this.
>>Secondly, How about programming to avr so it accept ti-protocol? I
>>mean you'd be able to make a string named "expander" (or something),
>>put the file you want to load in it (expander="\games\ztetris.85s")
>>and send it to the avr which then send the requested file back with a
>>few seconds delay, so you can switch youre calc to recieve. This will
>>enable you to restore youre mem after it crashed, because this way you
>>don't need drivers. Of course, you'd also have to include another form
>>of protocol so that it is easier to control if you have the drivers
>>loaded.
>>Anyway, these were the ideas that i had and weren't already put on the
>>list. Finally, if you need help with this project, maybe i can help
>>you. (i got some free time left.)
>>
>>Neil
>>
>>
>>
>>
>>
>>_________________________________________________________
>>DO YOU YAHOO!?
>>Get your free @yahoo.com address at http://mail.yahoo.com
>
>
>
>
-Jonathan Kaus
kaus@cybrzn.com
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