Communicating with an ECU

[Brian Warburton]

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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