160 Baud Interface

[Louis Baiani]

When is Peter going to release that new version we were once talking about?

Louis


Ken Kelly wrote:

> Darrell, I'm running Peter's 160 baud interface on my '7747. I'm only using
> one transistor and two resistors, going into the serial port. Since I didn't
> want to cut my original harness, I made a "pigtail" to my '7747 that
> interfaces with my original harness (basically, a pair of edge card
> connectors handmade from PCB.) I integrated the transistor/resistor combo
> into the pigtail since it required +12v as well as ground - and my ALDL
> connector doesn't have a +12v coming from it. Now I have the data line and
> the ground going to my laptop.
>
> Peter's page has the 1.0 version of his software - I am on his mailing list
> and received the 1.5 version almost a year ago, but never had the time to
> mess with it. I was laid off a few weeks ago and have plenty of free time
> now, so I've been working with it. It works VERY well. It does exactly what
> it claims to - read 160 baud ALDL data and LOG it. Mind you, it's RAW data!
> It's not converted in any way, but that's what Excel is for. The log files
> come out in comma-delimited format, so it's a snap to pull into Excel and
> convert all the values for easier tuning.
>
> The page for Peter's serial 160 baud reader is at:
>
> http://www.techedge.com.au/vehicle/aldl160/160serial.htm
>
> You'll probably have to e-mail Peter directly and ask him nicely for the
> software, but the hardware is described on the pages. It works very well
> when built with just the one transistor and two resistors. E-mail me
> privately if you'd like to talk more about it.
>
> "The Third" Ken Kelly
>
> ken73 at ken73.homeip.net
>
> -----Original Message-----
> From: owner-gmecm at diy-efi.org [mailto:owner-gmecm at diy-efi.org]On Behalf
> Of Darrell N.
> Sent: Monday, July 16, 2001 6:18 PM
> To: gmecm at diy-efi.org
> Subject: 160 Baud Interface
>
> All:
>
> I'm trying to get educated about talking to my ECM (747).  I understand
> it is 160 baud.  Do I need the PIC based protocol converter (or similar)
> to talk to this, or can I just use the transistor or Max232 based level
> converter with a laptop?  I tried finding this info on some of the linx on
> the GMECM page, but several of the more promising ones are broken -
> (FlexScan project, 160 Baud Info, Peter Gargano's page).
>
> And please don't rag on me about reading the archives, I am making an
> attempt, but I haven't figured out how to download the dang things so I
> can read them at leisure...  Besides, who's got time to go through 20
> thousand posts and pan the gold from the gravel...
>
> On another note, there was a few posts about someone who had
> uploaded TBI adapter plate drawings a few weeks back, but I can't find
> them.  There is no directory called "Incoming" anywhere that I could find
> on the FTP site.  Enlighten me...
>
> darrell n
> Calgary, Alberta, Canada
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