I think the driver was developed for this card. https://www.futurlec.com/PCI8255.shtml
Both Jeff e and I had issues with the system locking up. Hard lock. But it has been a few years... On Sun, Jul 7, 2019, 2:51 PM andy pugh <[email protected]> wrote: > On Sat, 6 Jul 2019 at 18:07, Roland Jollivet <[email protected]> > wrote: > > > Now, if I used one pci-bridge 8255 type card and used all the I/O (A,B,C) > > to support 3 encoders, could I use, say a Pic processor to read the > encoder > > and convert to 8bit data, and then; > > These 8bits are presented to the 8255 ports so Lcnc can do a snapshot > read > > of the encoder values to close a servo loop. > > Do you know that LinuxCNC has an 8255 driver? > > You can be fogiven for not knowing, I see no sign of a mention in the > docs, but here is the code: > https://github.com/LinuxCNC/linuxcnc/blob/master/src/hal/drivers/pci_8255.c > > and "loadrt pci_8255" works. > > -- > 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 > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
