Communicating with an ECU

[Gerald Pelnar]

Brian--

I'd try an external modem configured to auto-answer. Connect it to the  ECU
with a serial cable and a null modem adapter. No need for a computer on the
ECU end.

Gerald

----- Original Message -----
From: Brian Warburton <BrianWarburton at compuserve.com>
To: DIY-EFI <diy_efi at diy-efi.org>
Sent: Monday, November 27, 2000 12:28 PM
Subject: Communicating with an ECU


> Hi,
>
> I supply aftermarket ECUs for road and race cars. The ECUs are set up and
> calibrated over the serial (Rs232) link of a PC using a specially written
> calibration program running under Windows.
>
> We support a lot of racers who often have problems on practice and race
> days and I'd like to be able to help them. To help them I would need to
> link my computer to theirs over a phone line and get the calibration
> program on my machine to talk to the ECU hanging on theirs. Getting the
> cal-program to talk to the modem at my end is relatively easy, but I need
a
> utility that will effectively internally connect the modem and the serial
> port on the target machine. That way, I can communicate with the ECU
> hanging on the serial port of the remote machine by running the
calibration
> program on our machine linked by modem to the modem and ECU on the other
> machine. Does anyone know any way of getting W-95 or 98 to achieve this or
> failing that, can anyone recommend a good Windows programming book ?
>
> Thanks, Brian
> --------------------------------------------------------------------------
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