On 11 July 2018 at 21:36, Joe Hildreth <[email protected]> wrote:
> On this chart or table, it shows for the "in" column that pin 14 is an input > pin. I think this is in error and should be labelled as an output. To test > my theory, I installed a second PCI PP in a computer and run the stepper > config wizard. I set up the first port as output and the second as input. > > In both output modes and input modes (for the ports) pin 14 is labelled as an > output pin. This would make sense considering that pins 1, 14, 16 and 17 > belong to the control group. Wikipedia shows pin 14 as bidirectional. I can't help feeling that someone else would have noticed by now if the parallel port driver didn't work? https://github.com/LinuxCNC/linuxcnc/blob/master/src/hal/drivers/hal_parport.c#L707 Shows all the control group being set as inputs or outputs. -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1916 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
