physical start button + pause switch

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08 Dec 2016 17:12 #83784 by SenorAguas
When I have some free time, I may try this. Thanks for your help!

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08 Dec 2016 18:21 #83791 by Todd Zuercher
I think I have a handle on what the problem might be (why you get the odd error messages), but you need to share your complete hal file(s)

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08 Dec 2016 20:34 #83811 by SenorAguas
OK, here's my complete HAL file, also attached:
# Generated by stepconf 1.1 at Tue Nov  8 05:07:19 2016
# If you make changes to this file, they will be
# overwritten when you run stepconf again
loadrt trivkins
loadrt [EMCMOT]EMCMOT base_period_nsec=[EMCMOT]BASE_PERIOD servo_period_nsec=[EMCMOT]SERVO_PERIOD num_joints=[TRAJ]AXES
loadrt hal_parport cfg="0 out"
setp parport.0.reset-time 1000
loadrt stepgen step_type=0,0,0
loadrt charge_pump
net estop-out charge-pump.enable iocontrol.0.user-enable-out
net charge-pump <= charge-pump.out

loadrt minmax count=2
addf minmax.0 servo-thread
addf minmax.1 servo-thread

net xmaxferror axis.0.f-error minmax.0.in
net ymaxferror axis.1.f-error minmax.1.in

loadrt and2 count=2
loadrt or2 count=1

addf and2.0 servo-thread
addf and2.1 servo-thread
addf or2.0 servo-thread


# External Program Pause and Run Buttons

# Run Section

net run-step-btn or2.0.in0 and2.1.in0 <= parport.0.pin-13-in
net pause-on and2.1.in1 <= halui.program.is-paused
net my-or1 or2.0.in1 <= and2.1.out
net run-sig halui.mode.auto halui.program.run <= or2.0.out

# Pause Section

net pause-resume-btn and2.0.in0 <= parport.0.pin-15-in-not
net run-on and2.0.in1 <= halui.program.is-running
net pause-sig halui.program.stop <= and2.0.out

setp halui.mode.teleop 1


addf parport.0.read base-thread
addf stepgen.make-pulses base-thread
addf charge-pump base-thread
addf parport.0.write base-thread
addf parport.0.reset base-thread

addf stepgen.capture-position servo-thread
addf motion-command-handler servo-thread
addf motion-controller servo-thread
addf stepgen.update-freq servo-thread
net coolant-mist <= iocontrol.0.coolant-mist
net coolant-flood <= iocontrol.0.coolant-flood

net xstep           => parport.0.pin-02-out
setp parport.0.pin-02-out-reset 1
setp parport.0.pin-03-out-invert 1
net xdir            => parport.0.pin-03-out
net ystep           => parport.0.pin-04-out
setp parport.0.pin-04-out-reset 1
setp parport.0.pin-05-out-invert 1
net ydir            => parport.0.pin-05-out
net coolant-mist    => parport.0.pin-06-out
net coolant-flood   => parport.0.pin-07-out
setp parport.0.pin-08-out-invert 1
net xenable         => parport.0.pin-08-out
net xenable         => parport.0.pin-16-out
net charge-pump     => parport.0.pin-17-out
net home-y          <= parport.0.pin-11-in
net home-x          <= parport.0.pin-12-in

setp stepgen.0.position-scale [AXIS_0]SCALE
setp stepgen.0.steplen 1
setp stepgen.0.stepspace 0
setp stepgen.0.dirhold 11200
setp stepgen.0.dirsetup 11200
setp stepgen.0.maxaccel [AXIS_0]STEPGEN_MAXACCEL
net xpos-cmd axis.0.motor-pos-cmd => stepgen.0.position-cmd
net xpos-fb stepgen.0.position-fb => axis.0.motor-pos-fb
net xstep <= stepgen.0.step
net xdir <= stepgen.0.dir
net xenable axis.0.amp-enable-out => stepgen.0.enable
net home-x => axis.0.home-sw-in

setp stepgen.1.position-scale [AXIS_1]SCALE
setp stepgen.1.steplen 1
setp stepgen.1.stepspace 0
setp stepgen.1.dirhold 11200
setp stepgen.1.dirsetup 11200
setp stepgen.1.maxaccel [AXIS_1]STEPGEN_MAXACCEL
net ypos-cmd axis.1.motor-pos-cmd => stepgen.1.position-cmd
net ypos-fb stepgen.1.position-fb => axis.1.motor-pos-fb
net ystep <= stepgen.1.step
net ydir <= stepgen.1.dir
net yenable axis.1.amp-enable-out => stepgen.1.enable
net home-y => axis.1.home-sw-in

net estop-out <= iocontrol.0.user-enable-out
net estop-out => iocontrol.0.emc-enable-in
Attachments:

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08 Dec 2016 22:14 #83813 by Todd Zuercher
I'm still not sure where the error is coming from, I had an idea but it doesn't seem to be the problem. Tests I've been running in a simulation have not been reproducing it.
It sometimes matters the order that you add things to threads, so it is a good idea to have all of them in one place in the hal file.

I did a little tidying up, and removed a bunch of needless hal logic.

Give it a try and see if it works any better.
Attachments:

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08 Dec 2016 22:41 #83817 by SenorAguas
Thanks, it worked the same as far as I can tell. Still had the same error message during certain moves, which seemed to be the interpolated moves.

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09 Dec 2016 03:56 #83824 by Todd Zuercher
Sorry, I really don't know, right now I can't seem to reproduce the error message. What version Linuxcnc and what OS are you using?

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09 Dec 2016 19:09 #83836 by an92626
SenorAguas

I happened upon your thread because I was having the same problem getting the "can't do that" error message. Operationally it did not cause a problem, it was just annoying getting the error message.

I seem to have resolved my problem by pausing and then stopping.

You may wish to try editing your hal file in the pause section.

Just before you have the statement: net pause-sig halui.program.stop <= and2.0.out,
you may wish to trying adding the statement:net pause-sig halui.program.pause <= and2.0.out

This is what I did and from the limiting testing I did it seemed to stop the "can't do that" error message. I can not give you an explanation why it worked, but there are many things in linuxcnc that I can not explain. It would be a quick test and if it gets rid of the annoying error message then you can move on. Pause the program and then stopping it should not make any difference operationally that I can tell.

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10 Dec 2016 02:05 #83873 by cncnoob1979
Warning: Spoiler!


Here is my hal file that is using two physical buttons for what you are asking for. I hope it helps, my hal is a work in progress. So dont mind the mess please! :) Has worked fine for me in master and previous versions.

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