LinuxCNC Support Forum :: Topic: Re:pyVCP Online Documents (1/2)

alex_joni OFFLINE Administrator EMC Developer Posts: 101 Thank you received: 10 Karma: 15	pleezwrite wrote: when I delete the symbol EMC would not start anymore and comes up with that usual long error massage with some kernel information at the end. Can you use an online pasting facility (like pastebin.ca/) to put that information there? (and give us the resulting link). The important part is in there Regards, Alex
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Re:Led 14 Апр 2009 00:40 #83

pleezwrite OFFLINE Fresh Boarder Posts: 8 Karma: 0	Here it is, hope its readable. Adam
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Re:Led 14 Апр 2009 00:42 #84

pleezwrite OFFLINE Fresh Boarder Posts: 8 Karma: 0	now? This attachment is hidden for guests. Please log in or register to see it. Attachments: This attachment is hidden for guests. Please log in or register to see it.
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Re:Led 14 Апр 2009 01:15 #86

alex_joni OFFLINE Administrator EMC Developer Posts: 101 Thank you received: 10 Karma: 15	The error is this: custom_postgui.hal:14: pin 'parport.0.pin-10-in' was already linked That means you probably connected the pin 10 for something else using stepconf. If you're sure you're not using, just put an "unlinkp parport.0.pin-10-in" before you do the 'net' to connect the parport pin to the pyvcp pin. Regards, Alex
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Re:Led 14 Апр 2009 04:54 #88

pleezwrite
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Yes, I saw the error, then maybe my whole concept is wrong:

So, I have an input for X home switch and would like to link this pin to my large pyvcp LED because the screen is very far from the operator and the little home cross is not very visible. This would help us to see if the machine has really found home.

My concern is now that this is not feasible as input pin No. 10 is used for two inputs (LED for pyvcp and home switch)??? Or am I wrong?

Regards,
Adam

Uses EMC for: 3 axis mill, 2 axis CNC heater
Company profile: recumbent bicycle manufacturer

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Re:Led 14 Апр 2009 05:00 #89

alex_joni
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pleezwrite wrote:

My concern is now that this is not feasible as input pin No. 10 is used for two inputs (LED for pyvcp and home switch)??? Or am I wrong?

Well, you should have said that from the beginning

You are not allowed to connect two signals to one writer pin (parport.0.pin-10-in), but you can connect one signal to more than one reader pins.
So in your case you have the 'Zhome' signal (you'll find the exact name in the hal file) which is connected to parport.0.pin-10-in and to the motion controller (something like net Zhome paport.0.pin-10-in axis.2.home-sw-in).

You then want (in your custom hal file) to connect that signal to the pyvcp pin:

net Zhome pyvc.xref

And that should be it.

Regards,
Alex

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Re:Led 14 Апр 2009 05:08 #90

BigJohnT
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Just to add a bit to what Alex said...

A little reading material is here:

www.linuxcnc.org/docview/devel/html//hal_basic_hal.html#r1_1_4

Also a good way to find out what is connected to what open up the HAL Configuration window from the Machine menu. You can find the signal names and click on them and see what is connected and you can see what pins have what connected to them.

www.linuxcnc.org/docview/devel/html//hal_basic_hal.html#r1_1

John

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Re:Led 15 Апр 2009 22:11 #109

pleezwrite OFFLINE Fresh Boarder Posts: 8 Karma: 0	Thanks guys for the help, its all ok and understood now! Adam
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Re:pyVCP Online Documents 21 Апр 2011 03:45 #9216

piasdom OFFLINE Platinum Boarder Posts: 537 Karma: 2	if it doesn't start, check for errors in syntax.(i do that a lot:) what is the error message ? in the error message there is a debug section. i usually look there first. OOPS.....i need to read "THE LAST" post
	Last Edit: 21 Апр 2011 03:49 by piasdom. The administrator has disabled public write access.

Re:pyVCP Online Documents 17 Дек 2011 08:38 #15774

cmorley OFFLINE Moderator Posts: 1486 Thank you received: 40 Karma: 89	show the error code ,HAL code and XML file and we could help more specifically
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