On Sunday 18 March 2018 08:43:41 Mark wrote: > On 03/18/2018 08:39 AM, Gene Heskett wrote: > > On Sunday 18 March 2018 08:08:38 Mark wrote: > >> On 03/17/2018 07:42 PM, Gene Heskett wrote: > >>> Which is why, when I'm working on a hal file, a copy of that > >>> section of the docs is open in another workspace. I'm getting > >>> better, but far from perfect myself. But I didn't write the hal > >>> stack, so you'll see me asking questions too. So don't think you > >>> are too far afield when adding something to your machine and have > >>> to ask for a howto. Its the nature of the beast. I am, by the > >>> week, discovering some of the things linuxcnc can do that I hadn't > >>> a clue it could do, yet properly programmed, it just works. Its > >>> humbling to me, for sure. > >>> > >>> Andy touched on something in a previous msg in this thread, an > >>> item I may have been tempted to suggest, and that is the order of > >>> signal names, argument #1 to a net statement. To explain it from > >>> my view: > >>> > >>> net netname src target > >>> > >>> That establishes the netname as a copy of the src signal, and the > >>> src of the signal, which needs to be the first encountered when > >>> reading in the .hal file. > >>> > >>> >From that point on, the netname is re-usable with this syntax: > >>> > >>> net netname target [target] [target] etc, etc. > >>> > >>> This will then distribute the src to all the named targets, and if > >>> you run out of line room to hit all the targets, then another: > >>> > >>> net netname target target target just expands the number of > >>> targets. > >>> > >>> It can get confusing when there is 500+ LOC between the > >>> statements, but hal doesn't care. > >> > >> Oh yeah, I have a copy of the doccy's open too, along with the man > >> page for that particular thing I'm trying to implement. It's kinda > >> like recursion though. You don't understand recursion unless you > >> understand recursion. ;-) > >> > >> Mark > > > > I've heard that someplace before Mark. :) But you'll get it. > > Recursion was a terribly interesting concept when I was taking > programming classes for my comp sci degree. Had a lot of fun with it > once I understood how to use it. We all had t shirts made up with > that saying on it. ;-) > > > Mark > A comp-sci degree? Nice! My "formal" education stops at the 8th grade, circa 1949 or so. Self taught from there.
I'm fond of t-shirts that make a statement. The best one is "Don't rush me, I get paid by the hour." But the last time I kept a time card, was in the early 70's. Since, salaried, often at a tv station well above the going rate vs market size. -- 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> ------------------------------------------------------------------------------ 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 Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
