SV: Re: Trying to copy TI's link
[Prev][Next][Index][Thread]
SV: Re: Trying to copy TI's link
Why don't you just emulate the chip on the PC?
/P-A
-----Ursprungligt meddelande-----
Från: Philipp Keller <pkiller@INNOCENT.COM>
Till: CALC-TI@LISTS.PPP.TI.COM <CALC-TI@LISTS.PPP.TI.COM>
Datum: den 22 januari 1999 10:45
Ämne: Re: Trying to copy TI's link
>The docs I was refering to are two .gif schematics of the "PIClink" in
>the text directory at the ticalc.org archives, I know virtually
>nothing about electronics though so I have no idea how that works...
>
>Shawn D'Alimonte <sdalimon@www.ee.ryerson.ca> wrote in message
>news:788hlh$b9k$1@ns2.ryerson.ca...
>>Tom Lake <tomlake@slic.com> wrote:
>>: There's proprietary code in chips embedded in the cable end itself.
>You'd
>>: have to get those chips out and dump their contents to a file and
>create new
>>: chips for the duplicate cable.
>>
>>Isn't that the cable that looks like a 9600bps serial device to the
>>computer? Shouldn't it be possible to use a microcontroller to
>>duplicate it without having to reverse engineer TI's cable? The TI
>>link protocol is reasonably well documented in various text files
>>available from ticalc.org.
>>
>>Any small microcontroller with RS232 capability should be suitable
>>(and it wouldn't surprise me if that is all the TI cable is).
>>
>>To bad I don't have any microcontrollers around to try this. Anyone
>>want to take a shot at this?
>>
>>--
>>Shawn D'Alimonte - sdalimon@ee.ryerson.ca
>>-----Under university lab conditions, the laws of nature do not
>apply-----
>>
>