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I am an intermediate programmer using C++. I currently have a program to control a stepper motor through a parallel port, but the laptop that I wish to execute my code on only has a serial port.

I am guessing you cannot just buy an adapter for serial->parallel and run the code that way?

I have heard that the handshaking lines of the serial port could be a good option, but have not figured out how to access them in the coding.

Thank you very much for your help,
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Member 7986660 9-Jun-11 9:43am    
So if I am using this:

_outp(0x378,255);
_outp(0x378,0);

to move my motor one step, I will not need to change it by just using the adapter? I'm guessing there is/are other drivers that would need to be installed as well.

thanks,
if all you want is V+ and you're using Windows, have a look at using the DTR line thru EscapeCommFunction[^]
 
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