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Hi,

I am not sure if this post is in the place or not. Please excuse me if it is not.

I am doing HAL basic tutorial: linuxcnc.org/docs/html/hal/tutorial.html#cha:hal-tutorial, under section 6.6. More Channels, Figure 13. Step Pulses shows HAL Oscilloscope with the Chan Off button, my version of the HAL Oscilloscope does not have one:



My LinuxCNC version is 2.9.3, which I built from source on November 6, 2024.

What can I do to fix this one, please?

Thank you.

Thank you dbtayl for the work you have put into FreeCAD. I stumble my way through coding so
I have a pretty good idea how much effort goes into making programs work. I liken it to one
beating their head against a wall until the wall finally cracks, Beat one's head against the wall
some more until they finally break through. But maybe that's just me. LOL

PCW wrote:

The direction is determined by the 'B' pin

If you are only measuring frequency you
can make firmware that has only 'A' inputs
 

I'm glad you mentioned the 'B' pin, because I just realized the 'B' pin is now floating on my isolated input, will fix that.

When you say "you can make firmware", what software tools would I need to do that?

It's been a while since I dabbled with VHDL, Verilog