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External E-Stop

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6 years 4 months ago #173001 by Project_Hopeless
External E-Stop was created by Project_Hopeless

LinfieldGarage wrote: I know this is an old thread but it helped me get my estop working.

Here is a working config from my system running Master branch 2.8 and a Mesa 7i96 board. My estop button is N/C and is a 24 volt input to GPIO 010 on the Mesa board. Just change the last line for your particular board and GPIO pin.

# ---estop signals---
# create a signal for the estop loopback
#config from BigJohn#
loadrt estop_latch
addf estop-latch.0 servo-thread
net estop-loopout iocontrol.0.emc-enable-in <= estop-latch.0.ok-out
net estop-loopin iocontrol.0.user-enable-out => estop-latch.0.ok-in
net estop-reset iocontrol.0.user-request-enable => estop-latch.0.reset
net remote-estop estop-latch.0.fault-in <= hm2_[HOSTMOT2](BOARD).0.gpio.010.in_not


Is there a simple way to have an on screen popup indicating the external E-Stop was pressed. Something like you get with the axis limits?

If I accidentally bump an external button it would be nice to know it was an external button and perhaps which one.

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6 years 4 months ago #173002 by tommylight
Replied by tommylight on topic External E-Stop
linuxcnc.org/docs/html/man/man9/message.9.html
www.youtube.com/@toma.cnc1
www.youtube.com/@toma.3d
www.youtube.com/@tomapc
The following user(s) said Thank You: Aciera, DoWerna

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6 years 4 months ago #173003 by Aciera
Replied by Aciera on topic External E-Stop
What GUI are you using. I do have a solution but only for gmoccapy.

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6 years 2 months ago #178278 by Project_Hopeless
Replied by Project_Hopeless on topic External E-Stop

tommylight wrote: linuxcnc.org/docs/html/man/man9/message.9.html

I did my best to to try and get a message to post, however I'm stuck. I'm nut understanding the syntax.

Here is my HAL for handling the external estop, this is working correctly.
Code:
loadrt estop_latch addf estop-latch.0 servo-thread net estop-loopout iocontrol.0.emc-enable-in <= estop-latch.0.ok-out net estop-loopin iocontrol.0.user-enable-out => estop-latch.0.ok-in net estop-reset iocontrol.0.user-request-enable => estop-latch.0.reset net remote-estop estop-latch.0.fault-in <= hm2_[HOSTMOT2](BOARD).0.gpio.010.in_not
I'm trying to post the mesage like so.
Code:
# my message setup External E-Stop loadrt message names=xestop messages="External E-Stop" setp xestop estop-latch.0.fault-in <= hm2_[HOSTMOT2](BOARD).0.gpio.010.in_not # active low, N/C=open


I'm getting this error. With a Mesa 7i76e card how do I make the HAL connection?
Code:
Debug file information: Note: Using POSIX realtime ./borg.hal:190: setp requires 2 arguments, 4 given 2988

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6 years 2 months ago #178289 by tommylight
Replied by tommylight on topic External E-Stop

Project_Hopeless wrote: I'm trying to post the mesage like so.

Code:
# my message setup External E-Stop loadrt message names=xestop messages="External E-Stop" setp xestop estop-latch.0.fault-in <= hm2_[HOSTMOT2](BOARD).0.gpio.010.in_not # active low, N/C=open

should be
Code:
# my message setup External E-Stop loadrt message names=xestop messages="External E-Stop" net xestop estop-latch.0.fault-in <= hm2_[HOSTMOT2](BOARD).0.gpio.010.in_not # active low, N/C=open
www.youtube.com/@toma.cnc1
www.youtube.com/@toma.3d
www.youtube.com/@tomapc
The following user(s) said Thank You: Sadmeatball

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6 years 2 months ago #178296 by MaHa
Replied by MaHa on topic External E-Stop
Once i had a similar problem, modified and tested this in the sim. Even you got a reply already. This worked for me, and as i have spent time for this, i post it anyway.
Replace this line

Code:
net remote-estop estop-latch.0.fault-in <= hm2_[HOSTMOT2](BOARD).0.gpio.010.in_not
by

Code:
setp xestop.edge 0 net remote-estop estop-latch.0.fault-in <= hm2_[HOSTMOT2](BOARD).0.gpio.010.in_not xestop.trigger

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