New Carchat 3.02 Coming..

[Kieran Alexander Cox]

Hello,
	I would be *very* interested in the source code or even the serial
byte break down of the GM ALDL line. I am trying to make my own Scan Tool.
Any help is appreciated.



Kieran Cox
'86 Z-51 Vette
ECM 1227165

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Kieran A. Cox			*     *		  
1-805-801-4188					 
1351 Royal Way #2        
SLO, CA, 93405                     

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On Thu, 17 May 2001, Rob Berg wrote:

> I should be uploading a new version of Carchat to the site shortly.  I saw 
> a post on doing 160 baud data logging and thought I'd let you know how 
> Carchat handles it.
> 
> Ver 2.2 doesn't!
> 
> The 160 baud data is a non standard data stream that is incompatible with 
> RS232 standards.  However ....
> 
> V3.02 + an interface circuit does..
> 
> I had a lot of requests to log 160 baud data, so I've designed a circuit 
> using a PIC16F876 Cpu and a couple of other components to decode the 160 
> baud data stream into  a standard Rs232 serial data stream running at 
> 19.2K.  It also supports some digital and analog IO from the chip to be 
> included in the output data.  The code for running this chip can be 
> upgraded without even removing the interface.  I'm also going to release 
> the source code (in C) for the interface, so that anyone who wants to play 
> with it can.  It doesn't necessarily require carchat, since any program 
> with rs232 capabilites can utilize it.  Heck, with a few more lines of 
> code, you could build a standalone unit.
> 
> I'll upload asap, still need to check on a few things first.
> 
> Rob Berg
> 
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