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  • PCW
  • PCW's Avatar
12 Nov 2024 16:11
Replied by PCW on topic Mesa, Linuxcnc with step direction servo's for axis and analog servo spindle.

Mesa, Linuxcnc with step direction servo's for axis and analog servo spindle.

Category: Basic Configuration

Not sure what the easiest path is here but I see a couple options:

1. With pncconf, make a normal step/dir 7I76E configuration and a normal 7I77 configuration and merge them

2. Use pncconfs discover option
  • Sziggy_NC
  • Sziggy_NC
12 Nov 2024 16:10
Replied by Sziggy_NC on topic +-10v setup 7i97 & .ini

+-10v setup 7i97 & .ini

Category: General LinuxCNC Questions

You are awesome! Thank you!

That was the final thing stopping me from continuing the retrofit.

After increasing the FERROR and MIN_FERROR in the ini I have tuned the X axis. I will get the Y and Z today.
  • mjones@welfab.ca
  • mjones@welfab.ca
12 Nov 2024 15:57
Replied by mjones@welfab.ca on topic Mesa, Linuxcnc with step direction servo's for axis and analog servo spindle.

Mesa, Linuxcnc with step direction servo's for axis and analog servo spindle.

Category: Basic Configuration

now that we have checked my firmware, how do I blend my hal file for the step and direction on the 7i76e
  • bladekel
  • bladekel
12 Nov 2024 15:50
Replied by bladekel on topic How to connect hal pins to custom GUI?

How to connect hal pins to custom GUI?

Category: Other User Interfaces

I tried this but I got an error like
./my-mill.hal:57: Pin 'somePin' does not exist
  • Aciera
  • Aciera's Avatar
12 Nov 2024 15:43
Replied by Aciera on topic How to connect hal pins to custom GUI?

How to connect hal pins to custom GUI?

Category: Other User Interfaces

This is not correct syntax to connect two pins in hal:
net somePin  hal_gpio.PIN33-in

Correct syntax is (<= and => are optional and are only to improve readability)
net some-signal-name  <=  hal_gpio.PIN33-in => somePin
  • bladekel
  • bladekel
12 Nov 2024 15:36 - 12 Nov 2024 15:39
How to connect hal pins to custom GUI? was created by bladekel

How to connect hal pins to custom GUI?

Category: Other User Interfaces

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.
net somePin  hal_gpio.PIN33-in

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
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?
  • PCW
  • PCW's Avatar
12 Nov 2024 14:43
Replied by PCW on topic Raspberry PI4, MESA 7I96S problems

Raspberry PI4, MESA 7I96S problems

Category: General LinuxCNC Questions

Basically the issue is that the RPI4 Ethernet interface is connected via USB
and USB is not suited for real time.

For a RPI4 I would use a SPI interfaced device, The RPI5 (or most PCs) are fine with Ethernet
LinuxCNC motion controllers because their Ethernet hardware are not USB devices.
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