Timing problem

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20 Jan 2016 12:36 #68810 by korbendallas78
Hello,
I found a problem with load gmoccapy. I made a gladevcp panel with leds. I connect to this leds some other pins in postgui.hal. With axis ui no problem. But with gmoccap ui is send message : custom_postgui.hal :13: Pin 'leds.hal_led1' does not exist.
This error message not all time. Sometimes gmoccapy is started and the hal leds working well.

I think the custom_postgui.hal loaded before the gmoccapy started.

Sorry for my english.

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20 Jan 2016 12:43 #68811 by andypugh
Replied by andypugh on topic Timing problem

I made a gladevcp panel with leds. I connect to this leds some other pins in postgui.hal. With axis ui no problem. But with gmoccap ui is send message : custom_postgui.hal :13: Pin 'leds.hal_led1' does not exist.


Are you loading the GladeVCP with a "-W" switch?

This is likely to be more a GladeVCP timing issue that Gmoccapy.

loadusr flags are given here:
www.linuxcnc.org/docs/html/man/man1/halcmd.1.html

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20 Jan 2016 12:50 #68812 by korbendallas78
Replied by korbendallas78 on topic Timing problem
EMBED_TAB_COMMAND = loadusr -W gladevcp -x {XID} leds.glade

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20 Jan 2016 12:56 - 20 Jan 2016 12:56 #68813 by andypugh
Replied by andypugh on topic Timing problem

EMBED_TAB_COMMAND = loadusr -W gladevcp -x {XID} leds.glade


The manual ( www.linuxcnc.org/docs/html/gui/gladevcp.html ) suggests -Wn gladevcp, ie
EMBED_TAB_COMMAND= loadusr -Wn gladevcp gladevcp -c gladevcp -x {XID} leds.glade

This waits for a component "gladevcp" and has a -c option that I am not sure of the meaning of, but I think forces a component name, which is possibly useful if it is waiting (-Wn) for a specific component to be ready.

This is a guess, though. No guarantees expressed or implied
Last edit: 20 Jan 2016 12:56 by andypugh.
The following user(s) said Thank You: korbendallas78

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20 Jan 2016 13:18 #68814 by korbendallas78
Replied by korbendallas78 on topic Timing problem
I tried. Same problem

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20 Jan 2016 18:55 #68842 by newbynobi
Replied by newbynobi on topic Timing problem
@korbendallas78

I also noticed that behavior some times, I recomend the followingf, as till now it works under all circumstances perferct.
Move all the relevant hal connections from postgui.hal to hal file named leds.hal. That hal file should be in your config dir.

And load your panel like this one:
EMBED_TAB_COMMAND = gladevcp -x {XID} -H leds.hal leds.glade

That command loads the panel and after loading it it connects the hal pin mentioned in the named hal file.
If you need, you can add your own python handler by adding -u led.py
For an example you may look at sim/gmoccapy/gmoccapy-plasma/gmoccapy-plasma.ini

Norbert
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21 Jan 2016 05:18 #68868 by korbendallas78
Replied by korbendallas78 on topic Timing problem
Thank You!
It seems working perfectly.

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21 Jan 2016 22:42 #68903 by newbynobi
Replied by newbynobi on topic Timing problem
You are wellcome!

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