On Thursday 24 September 2015 15:32:02 andy pugh wrote: > On 24 September 2015 at 20:12, Gene Heskett <ghesk...@wdtv.com> wrote: > > So any diddling of maps will be done with a G10 L2 P2 axis's which > > will adjust G55, leaving G54 in the as homed condition. IOW do the > > probing while G54 is in effect, but modify G55 with the results of > > the probing. > > It might help to note that G30.1 stores the current absolute position > into #5181 et. seq. > http://www.linuxcnc.org/docs/html/gcode/gcode.html#sec:G30-G30_1
I'll have to look at that. What I do know from todays hacking so far, is that starting at homed, followed by an immediate G53 G1 X0 y0 z0, g10 L2 P2 x0 y0 z0 which is what the display says after being homed (which is 45mm's from the top of the post, and z home is parked at the instant the switch opens. But when my code runs, doing that same G53 G0 x0 y0 z0, the display says z is at -1.9 something inches when it stops! I can touch it off to zero it, but it comes right back (to 4 decimal places right of the dot) on the next run. It is also yelping about program exceeds z axis limits, making me do a run anyway, single step by single step until I can see that it has screwed up or is about to. What it is, is frustrating. Nothing in a z move in this program takes it within 1/2" of the z home switch, or below the nominally 10" of down travel (270mm's) allowed in the ini file. FWIW, there is an A axis defined in the .ini so it will be there when and if I cobble up a separate driver for my nearly worthless but motorized 4" table. Is there an interaction between the A axis even when there are no A axis moves in the gcode? ISTR someone once claimed there was... This is a dog and pony show that I've hit way to many times, and its an old enough squawk it seems to me like it should at least report the erronious line of code so we might stand a snowballs chance in hell of finding it in a 500 line program. What debug= will enable that tracing? Preferably tracing and reporting only the Z affecting code bits in this case. Make me ask no one in particular if its 5 o-clock yet, someplace. Since its past 17:00 here, I'll take a diabetic near (2.3%) beer and the manual for its debug info. Thanks Andy. 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> ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
