I am currently doing research to find out if it is possible to write a porgram allowing me to output ASCII text (either a txt file or single typed characters) to the serial and parrallel ports of a computer running WinXP and the Cygwin UNIX emulation layer.
I cannot find examples of how this would be done (at least not commented ones which I can make sense of). I need to be able to recieve the data as well, but this is much less important, since for now I would simply like to be able to activate LED's on a board which I have. I cannot provide any more information I'm afraid, and I can only hope that you will be able to assist me.
Many thanks in advance,