I'm looking for a way to do some simple GPI/GPO automation via either the parallel port or the serial port. I need to be able to send triggers out from the PC, and read triggers sent by external devices, all from command line, i.e. a batch file or script. I had limited success using a third party utility called "parashell", but it's very buggy, inconsistent and doesn't work beyond Windows XP 32 bit. I can use "mode" commands to send triggers out through the serial port, (TxD, DTR, RTS), but I haven't found a way to READ input pins, (RxD, DSR, CTS, DCD), from the command line. I'm hoping through this thread to encounter someone who knows of a shell command, a "clever trick" or a third party command line utility that will accomplish this. Thanks in advance for your help
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