Parallel port using 18f4550

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Rohith_elec

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is there anyway to create a parallel port using a 18F4550, or any project like that is available
 

Do you mean a simple printer board? It involves sending the 8 data bits, generating STB and reading BUSY state, a "project" of 10 code lines or so.
 
can be the LPT made in that way behave like the native one

that is having 0x378 address
 

You didn't yet tell, what you want to achieve. I assume, that you want to drive a parallel printer from a PIC processor. That's easy related to the required interface behaviour. But there's also a software driver aspect. Which device do you want to drive? What's the data source? You should also clarify, which LPT interface lines are actually required in your case. Normally, the lines mentioned in my previous post should be sufficient.

Address 0x378 is a x86 PC thing. It's irrelevant for the PIC. For LPT specification details, you can refer to this site **broken link removed**
 

Yes, I want to drive a CNC machine with the parallel port made by 18F4550

I know the link provided by tpetar , but its not opensource
 

tpetar,

Did u tested with a CNC machine software like mach3

we cant get its source isnt it ?
 

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