How the machine is interfaced...

The hardware:

The "Coke-server" is an Intel based PC running Redhat Linux with the following configuration:

The interface to the Coke machine is designed the following way:

We have used these documents to learn how to interface the parallel port.

The software:

Running on the "Coke-server" is a small C program, which monitors the activity of the different leds on the front panel of the Coke machine.

This program has these specifications.
The C sourcecode for the program is available here.

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