Communicating with an ECU

Ira Emus ira at extrasensory.com
Mon Nov 27 21:37:15 GMT 2000


At 04:57 AM 11/28/00 -0700, you wrote:
> > 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 ?

You should be able to write this in a few lines of VB. I could do it in DOS 
in a few minutes, but it wouldn't work with WinModems and might not work 
with some PCMCIA modems.

If you have the modem set to auto answer and you're using VB, this should 
be about 90% of what you need to know:

         ser1.settings = "9600,N,8,1"
         ser2.settings = "9600,N,8,1"
         ser2.portopen = true
         ser1.portopen = true
         while true do
                 if ser2.inbuffer > 0
                         ser1.output = ser2.input
                 endif
                 if ser1.inbuffer > 0
                         ser2.output = ser1.input
                 endif
         end
         ser2.portopen = false
         ser1.portopen = false

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