#linuxcnc-devel Logs

Aug 04 2017

#linuxcnc-devel Calendar

11:08 AM cradek: aw. he was smart and nice.
11:10 AM cradek: oops
11:19 AM skunkworks_: deja vu..
11:28 AM jepler: cradek: you can say it twice
11:30 AM jepler: skunkworks_: I can't seem to stop looking at https://4th-dimension-modifications.myshopify.com/collections/frontpage/products/powder-coated-y-axis-expansion-full-kit
11:32 AM jepler: (extends MPSM's working area to 120x250)
04:01 PM Tom_L: any of you have experience with orient? i wanted to test it out on my sherline but haven't much of a clue where to begin
04:04 PM Tom_L: was reading a couple threads but haven't found alot of examples
04:05 PM jepler: Tom_L: I notice that there's a sample config that uses orient
04:05 PM jepler: configs/sim/axis/vismach/VMC_toolchange/spindle.hal:loadrt orient
04:05 PM jepler: found via $ git grep orient -- configs/ | grep loadrt
04:06 PM jepler: so .. maybe take a look at that if you can't find any other resource
04:06 PM jepler: s
04:06 PM Tom_L: thanks, i'll look it over
04:06 PM Tom_L: it kinda indicates it needs it's own PID loop but i'm not sure how to do that along side the current spindle PID
04:07 PM Tom_L: maybe i'll get some time this weekend...
04:08 PM jepler: yes it looks like that config uses a mux to switch between them
04:08 PM jepler: spindle.hal:net spindle-vel-pid pid.0.output mux2.0.in0
04:08 PM jepler: spindle.hal:net spindle-pos-pid pid.1.output mux2.0.in1
04:08 PM jepler: spindle.hal:net orient-mode motion.spindle-orient orient.0.enable pid.1.enable mux2.0.sel
04:08 PM jepler: spindle.hal:net spindle-cmd mux2.0.out
04:09 PM jepler: so spindle-cmd can either get spindle-vel-pid or spindle-pos-pid
04:13 PM Tom_L: yeah, i kinda got that from what i've been reading. needs position PID for the orient
04:14 PM Tom_L: i wonder if orient handles turning on the spindle or if M19 needs to be in code somewhere
04:15 PM Tom_L: i'd like to implement it to orient on a M6 tool change
04:15 PM Tom_L: which is where it makes sense to happen
04:15 PM jepler: that sample config seems to remap M6
04:16 PM jepler: O<toolchange>sub starts directly with M19 R0
04:18 PM Tom_L: thanks for checking..
04:18 PM Tom_L: i've never looked at remapping either. guess i'm in for a treat
07:29 PM jepler: here have forum updates
07:37 PM jepler: I'm pleased to announce the v4.11.12-rt9 patch set.
07:37 PM jepler: Changes since v4.11.12-rt8:
07:37 PM jepler: - CPU hotplug could be rock solid now.
07:37 PM jepler: seems like this was the one persistent caveat in all their release notes for *YEARS*, that hotplug could deadlock
07:38 PM jepler: (does that make it deadplug?)
07:38 PM jepler: (or hotlock?)
07:39 PM jepler: relation to LinuxCNC: on your HT machine, you can isolcpus= your top CPU thread number, and dynamically offline the other thread in the HT pair when firing up realtime
07:40 PM jepler: (at the price of writing some shell scripts or so)
10:19 PM skunkworks_: jepler, my cousin is loves that company. She has upgraded atleast one of her minis
10:29 PM skunkworks_: is the energy chain working good?