How to connect hal pins to custom GUI?
- bladekel
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12 Nov 2024 15:36 - 12 Nov 2024 15:39 #314325
by bladekel
How to connect hal pins to custom GUI? was created by bladekel
Hello to all.
I'm trying to build a custom GUI with pyqt5 for raspberryPi 5.
My linuxCNC version is 2.9.3, python version is 3.11.2.
I wanted to watch a input pin status whenever it changes.
I create a net in my hal file.
After I created this net, I can see the pin and its changing logic from hal show with axis GUI.
I examined the qtplasmac_sim_handler.py and tried to make connections as on it.
Here is my custom GUI's handler file
with this setup I cant see any changes. It only fires one time "Changed", and after that there is no information...
My guide qtplasmac_sim_handler.py did like I was...
What is my fault?
I'm trying to build a custom GUI with pyqt5 for raspberryPi 5.
My linuxCNC version is 2.9.3, python version is 3.11.2.
I wanted to watch a input pin status whenever it changes.
I create a net in my hal file.
net somePin hal_gpio.PIN33-inAfter I created this net, I can see the pin and its changing logic from hal show with axis GUI.
I examined the qtplasmac_sim_handler.py and tried to make connections as on it.
Here is my custom GUI's handler file
def __init__(self, halcomp,widgets,paths):
super().__init__()
self.hal = halcomp self.somePinComp = self.hal.newpin('somePin', hal.HAL_BIT, hal.HAL_IN)
self.somePinComp.value_changed.connect(lambda v: self.debugPrint("Changed"))with this setup I cant see any changes. It only fires one time "Changed", and after that there is no information...
My guide qtplasmac_sim_handler.py did like I was...
What is my fault?
Last edit: 12 Nov 2024 15:39 by bladekel.
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- Aciera
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12 Nov 2024 15:43 #314326
by Aciera
Replied by Aciera on topic How to connect hal pins to custom GUI?
This is not correct syntax to connect two pins in hal:
Correct syntax is (<= and => are optional and are only to improve readability)
net somePin hal_gpio.PIN33-inCorrect syntax is (<= and => are optional and are only to improve readability)
net some-signal-name <= hal_gpio.PIN33-in => somePin
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- bladekel
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12 Nov 2024 15:50 #314327
by bladekel
Replied by bladekel on topic How to connect hal pins to custom GUI?
I tried this but I got an error like
./my-mill.hal:57: Pin 'somePin' does not exist
./my-mill.hal:57: Pin 'somePin' does not exist
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12 Nov 2024 16:58 #314334
by Aciera
Replied by Aciera on topic How to connect hal pins to custom GUI?
use the 'show Halconfiguration' tool to find the correct pin name (something like 'qtplasmac.somePin')
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- JT
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12 Nov 2024 21:52 - 12 Nov 2024 22:04 #314347
by JT
Replied by JT on topic How to connect hal pins to custom GUI?
If you're creating a custom GUI have a look at Flex GUI as that is exactly what it's made for.
gnipsel.com/linuxcnc/flexgui/index.html
gnipsel.com/linuxcnc/flexgui/hal.html#label
JT
gnipsel.com/linuxcnc/flexgui/index.html
gnipsel.com/linuxcnc/flexgui/hal.html#label
JT
Last edit: 12 Nov 2024 22:04 by JT. Reason: add video
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- phillc54
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13 Nov 2024 00:46 - 13 Nov 2024 00:47 #314354
by phillc54
Replied by phillc54 on topic How to connect hal pins to custom GUI?
You probably need the command in a postgui hal file as the pin won't exist until the gui is created.I tried this but I got an error like
./my-mill.hal:57: Pin 'somePin' does not exist
Last edit: 13 Nov 2024 00:47 by phillc54.
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- bladekel
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13 Nov 2024 05:17 #314365
by bladekel
Replied by bladekel on topic How to connect hal pins to custom GUI?
This is the solution... Thanks....
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