http://www.linuxcnc.org/docs/2.6/html/config/ini_homing.html#_home_is_shared
On 7/15/2014 2:38 PM, a k wrote: > 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 <[email protected]> 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 >> [email protected] >> 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 > [email protected] > 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 [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
