On Friday, March 30, 2012 04:48:08 PM Jeshua Lacock did opine: > On Mar 30, 2012, at 1:22 PM, Peter C. Wallace wrote: > > The Oxsemi (well PLXTech now) OX16PCI954 does support EPP (I have one > > and it works with our EPP interfaced FPGA cards) > > Thanks Peter. > > So, how did you determine that address to use for the stepper config? > > > Why do you need EPP? > > Perhaps I am wrong, but I interpreted that the wiki was stating that EPP > is required: > > "Parallel port cards allow the addition of parallel ports beyond the > built-in port on PC motherboards. These may be used for realtime > functions such as software PWM and step/dir, or for user functions such > as controlling coolant, tool changers, relays, etcetera. Nearly any > card will work with pin changing functions (hal_parport),
See the qualifier to this statement > but very few > cards are compatible with EPP, which is used with parallel port > connected FPGA signal generators and controllers." ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ I get the impression you will be driving steppers direct. EPP isn't needed for that as the input and output pins are in separate groups in the other modes. > http://wiki.linuxcnc.org/cgi-bin/wiki.pl?action=browse&id=EMC2_Supported > _Hardware&revision=90 > > > Best, > > Jeshua Lacock > Founder/Engineer > 3DTOPO Incorporated > <http://3DTOPO.com> > Phone: 208.462.4171 > > > ------------------------------------------------------------------------ > ------ This SF email is sponsosred by: > Try Windows Azure free for 90 days Click Here > http://p.sf.net/sfu/sfd2d-msazure > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> Q: Why do firemen wear red suspenders? A: To conform with departmental regulations concerning uniform dress. ------------------------------------------------------------------------------ This SF email is sponsosred by: Try Windows Azure free for 90 days Click Here http://p.sf.net/sfu/sfd2d-msazure _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
