Re: [Emc-users] Physical Wiring of the Parallel Port

2007-09-03 Thread John Kasunich
John Thornton wrote: On the parallel port side if I use the standard_pinout.hal the line linksp Xstep = parport.0.pin-03-out Does that refer to the register bit D3 (Data bit 3)on the parallel port? Parport driver pin numbers correspond directly to the physical pin numbers on the

Re: [Emc-users] Physical Wiring of the Parallel Port

2007-09-03 Thread ben lipkowitz
I'm trying to grasp the physical wiring connections I need from the parallel port to the 5 1/4 floppy stepper controller. No problem on the power it will be from a PC power supply so I have both 5v and 12v. On the parallel port side if I use the standard_pinout.hal the line linksp Xstep =

Re: [Emc-users] Physical Wiring of the Parallel Port

2007-09-03 Thread John Kasunich
ben lipkowitz wrote: you'd have to do setp parport.0.pin-03-out-invert TRUE which changes the way the pin functions. but, there's not really any point to worrying about the polarity of the step pin anyway, since it will go through a full pulse every two BASE_PERIODs. I beg to differ.