about code from hal
net home-switch <= hm2_[HOSTMOT2](BOARD).0.gpio.025.in_not net home-switch => axis.0.home-sw-in net home-switch => axis.1.home-sw-in net home-switch => axis.2.home-sw-in ///////////////////////////////////// interesting explanation about pin connection ---- each of the three axes have their own home switch. All # home switches are connected to GPIO 25, though hostmot2 boards generally # have enough GPIO pins to put each axis' home switch on its own pin. //////////////////////// how it can work ---- All home switches are connected to GPIO 25??? On Tue, Jul 15, 2014 at 7:50 AM, Gene Heskett <ghesk...@wdtv.com> wrote: > On Tuesday 15 July 2014 10:03:52 Ed Nisley did opine > And Gene did reply: > > > I M does not shows any working sample > > > > Here's how I did it for my little Sherline mill... > > > > Modify the Sherline control box to accept the wiring. This is an > > example for the tool length probe line, but the same thing happened > > for the home switch input: > > > > http://softsolder.com/2010/04/11/sherline-tool-length-probe-adding-a-ja > > ck/ > > > > Connect the physical home switches to the parallel port pin and define > > the HAL "wiring" that connects the input pin to the homing signals: > > > > http://softsolder.com/2010/05/11/sherline-cnc-mill-adding-home-switches > > / > > > > Define the homing parameters that control the motion on all three axes: > > > > http://softsolder.com/2010/05/12/sherline-cnc-mill-defining-home-switch > > es/ > > > > That configuration worked back in the 2.4 days and has continued to > > work fine ever since, so it should get you reasonably close to your > > goal. > > > > Hope that helps ... > > It gets more complex than that Ed, he is using Mesa cards where the GPIO > port pin number isn't generally the number you use in the hal file for a > parport number. I needed a spindle run/brake signal on the db25's pin 17, > but had to consult the dmesg output to determine the actual address of > that pin for a 5i25 interface card. He is using a 5i20 + 2 daughter cards > I know nothing about. I am still configuring things as I'm just now > bringing it (the 5i25) to life. > > Cheers, Gene Heskett > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > Genes Web page <http://geneslinuxbox.net:6309/gene> > US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS > > > ------------------------------------------------------------------------------ > Want fast and easy access to all the code in your enterprise? Index and > search up to 200,000 lines of code with a free copy of Black Duck > Code Sight - the same software that powers the world's largest code > search on Ohloh, the Black Duck Open Hub! Try it now. > http://p.sf.net/sfu/bds > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Want fast and easy access to all the code in your enterprise? Index and search up to 200,000 lines of code with a free copy of Black Duck Code Sight - the same software that powers the world's largest code search on Ohloh, the Black Duck Open Hub! Try it now. http://p.sf.net/sfu/bds _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
