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  • irwinger
  • irwinger
05 Apr 2025 18:36
Replied by irwinger on topic Spindle control not showing in Axis window...

Spindle control not showing in Axis window...

Category: Basic Configuration

OK - I now have spindle control...

@tommylight - your post(s) about 'no spindle' configurations and suggestion to make a new config finally helped my 'through the forest'.

Not that I would ever 'bite the hand that feeds me', I have to ask if you were coaxing me in to discovery? I mean - how much more effort would it have been to state something like "the line in you HAL 'net spindle-on      => parport.0.pin-09-out' does not initiate the spindle. It defines or assigns a pin to use (pin 9), but it doesn't actually make the pin 'do anything'. What you need is a line that connect the assigned pin to a function like this: 'net spindle-on spindle.0.on => parport.0.pin-09-out'"

First - I am just 'making this up' because I really do not understand the structure and syntax of the lines in the HAL file (something that I really think would have helped me in my discovery). Please feel free to delete this post or tell me to do so because I certainly do NOT want to confuse anyone else.

If this kind of documentation already exists somewhere - I certainly did not find it, but if you point me to it, I will be certain to explore. Meanwhile - thank you both again for your assistance and direction to resolving my issue!

Regards,
Arden
  • ffffrf
  • ffffrf
05 Apr 2025 17:45
Replied by ffffrf on topic Using a servo as a spindle and positional axis - keep getting vague errors

Using a servo as a spindle and positional axis - keep getting vague errors

Category: Advanced Configuration

Also could you explain how your physical setup for homing of the C axis / spindle? It is something I am having trouble with after modifying your HAL and INI (which I will attach here).
  • ffffrf
  • ffffrf
05 Apr 2025 17:15 - 05 Apr 2025 17:24
Replied by ffffrf on topic Using a servo as a spindle and positional axis - keep getting vague errors

Using a servo as a spindle and positional axis - keep getting vague errors

Category: Advanced Configuration

here is a picture of my physical manual, its slightly different than the online manual. However, do you think it actually does work and this physical copy of the manual is wrong?Also just to clarify - are you also saying that because my current encoder is not 1:1, that it will not work?I can go ahead and try to solder on the wires to my servo driver and test it out 


Currently using a 1024 p/r pulley mounted encoder
  • Aciera
  • Aciera's Avatar
05 Apr 2025 17:06 - 05 Apr 2025 17:11
Replied by Aciera on topic Can MDI_COMMAND entries be explicitly numbered?

Can MDI_COMMAND entries be explicitly numbered?

Category: General LinuxCNC Questions

I wrote that because of your argument that referencing MDI_COMMANDS explicitly would make the ini file "more standards compliant".

Ideally every GUI should provide it's own hal pins to handle the functionality of 'halui' (which is actually a separate user interface).
  • tuxcnc
  • tuxcnc
05 Apr 2025 17:01
Replied by tuxcnc on topic Remora - ethernet NVEM / EC300 / EC500 cnc board

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

yes?how?
 

pyocd reset --target mimxrt1050_quadspi
pyocd erase --chip --target mimxrt1050_quadspi
pyocd reset --target mimxrt1050_quadspi
pyocd flash remora-rt1052-3.1.3.bin --target mimxrt1050_quadspi
pyocd reset --target mimxrt1050_quadspi
 
  • Beovoxo
  • Beovoxo
05 Apr 2025 16:50
Replied by Beovoxo on topic Deckel FP4A Retrofit

Deckel FP4A Retrofit

Category: Milling Machines

Frame ready for a steel sheet
 
  • cakeslob
  • cakeslob
05 Apr 2025 15:16
Replied by cakeslob on topic Remora - Rpi Software Stepping Using External Microcontroller via SPI

Remora - Rpi Software Stepping Using External Microcontroller via SPI

Category: Computers and Hardware

There needs to be motor power on for the TMC drives to configure. the CS pins are the Rx pins, but leave them in uart mode. the TMC spi is on the same channel as the comms SPI so idk what will happen if they interfere or something.
but first step is working out comms
does it connect to linuxcnc yet with the drivers in uart?
  • cakeslob
  • cakeslob
05 Apr 2025 15:12
Replied by cakeslob on topic Remora on NVEM board - unable to upload new configs

Remora on NVEM board - unable to upload new configs

Category: General LinuxCNC Questions

forum.linuxcnc.org/18-computer/44828-rem...cnc-board?start=2080

take it to here,

but if flashing the config worked before and now it wont work, you will probably need to do a full chip erase to overwrite the sector, then reload the firmware and config.
  • pgf
  • pgf
05 Apr 2025 14:57
Replied by pgf on topic using HAL to correct axis errors

using HAL to correct axis errors

Category: Advanced Configuration

I wanted to bring this thread up to date, in case anyone finds it and finds it useful.  I recently upgraded my mill from 2.7.4 to 2.9.4, which of course brought in the joints axes changes.

Those required some rework of my skew corrector.  The component module itself was unchanged.  It's in a post above .

But the linkage into HAL did change, due to joints axes, and the introduction of pid.

First, 2.7:      the original HAL had a fairly simple connection between motor and stepgen:
  ypos-cmd
      axis.1.motor-pos-cmd ==> stepgen.1.position-cmd
  ypos-fb
      stepgen.1.position-fb ==> axis.1.motor-pos-fb

  xpos-cmd
      axis.0.motor-pos-cmd ==> stepgen.0.position-cmd
  xpos-fb
      stepgen.0.position-fb ==> axis.0.motor-pos-fb

I was able to simply insert the nonsquare function block into the middle of each Y axis signal path, and tap into the X signal path.
 ypos-cmd
      axis.1.motor-pos-cmd ==> nonsquare-table.y-in
  ypos-cmd-adjusted
      nonsquare-table.y-out ==> stepgen.1.position-cmd
  ypos-fb-adjusted
      stepgen.1.position-fb ==> nonsquare-table.y-fb-in
  ypos-fb
      nonsquare-table.y-fb-out ==> axis.1.motor-pos-fb

  xpos-cmd
      axis.0.motor-pos-cmd ==> stepgen.0.position-cmd
                           ==> nonsquare-table.x-in
  xpos-fb
      stepgen.0.position-fb ==> axis.0.motor-pos-fb
                            ==> nonsquare-table.x-fb-in

The newer LinuxCNC path in 2.8/2.9 is a little more complicated, with the introduction of the PID mechanism.
  y-pos-cmd
      joint.1.motor-pos-cmd ==> pid.y.command
  y-output
      pid.y.output ==> hm2_7i96.0.stepgen.01.velocity-cmd
  y-pos-fb
      hm2_7i96.0.stepgen.01.position-fb ==> joint.1.motor-pos-fb
                                        ==> pid.y.feedback

  x-pos-cmd
      joint.0.motor-pos-cmd ==> pid.x.command
  x-output
      pid.x.output ==> hm2_7i96.0.stepgen.00.velocity-cmd
  x-pos-fb
      hm2_7i96.0.stepgen.00.position-fb ==> joint.0.motor-pos-fb
                                        ==> pid.x.feedback

Integrating the nonsquare function in the new HAL is similar, butasymmetric.  TreIn the output direction, the nonsquare function is inserted between the joint and pid (which then feeds stepgen), but in the feedback direction, we insert between stepgen and the joint.

Regardless, the new function is inserted just after (cmd) and before (fb) the joint command.  The X control for the new function is similarly attached directly to the joint function.
  y-pos-cmd
      joint.1.motor-pos-cmd ==> nonsquare-table.y-in
  new-y-pos-cmd
      nonsquare-table.y-out ==> pid.y.command
  y-output
      pid.y.output ==> hm2_7i96.0.stepgen.01.velocity-cmd
  y-pos-fb
      hm2_7i96.0.stepgen.01.position-fb ==> nonsquare-table.y-fb-in
                                        ==> pid.y.feedback
  new-y-pos-cmd-fb
      nonsquare-table.y-fb-out ==> joint.1.motor-pos-fb

  x-pos-cmd
      joint.0.motor-pos-cmd ==> pid.x.command
                            ==> nonsquare-table.x-in
  x-output
      pid.x.output ==> hm2_7i96.0.stepgen.00.velocity-cmd
  x-pos-fb
      hm2_7i96.0.stepgen.00.position-fb ==> joint.0.motor-pos-fb
                                        ==> pid.x.feedback
                                        ==> nonsquare-table.x-fb-in

 
  • tommylight
  • tommylight's Avatar
05 Apr 2025 14:53
20000 posts! was created by tommylight

20000 posts!

Category: Forum Questions

This is my 20000'th post, for what started as a way to force myself writing as i really hated it! :)
I like to read, a lot.
Thanks to all, especially Andy, JT, Todd, Chris M, PCW, etc for putting up with me, and the never ending support and wisdom they selflessly dispense on this forum.
  • tommylight
  • tommylight's Avatar
05 Apr 2025 14:39
Replied by tommylight on topic Rf45 clone glow up.

Rf45 clone glow up.

Category: Milling Machines

You can upload pictures here on the forum by clicking on "attachments" below the editor.
Thank you.
  • tommylight
  • tommylight's Avatar
05 Apr 2025 14:35
Replied by tommylight on topic Problema de latencia y 7i96S

Problema de latencia y 7i96S

Category: Español

Do you get latency warnings when running LinuxCNC?
Does the connection to Mesa board get dropped?
Latency does not look good, see if it can be improved by using isolcpus, but first enter the BIOS and disable anything with power saving and hyperthreading and TPM.
More info:
forum.linuxcnc.org/38-general-linuxcnc-q...ead-and-irq-affinity
  • tommylight
  • tommylight's Avatar
05 Apr 2025 14:31
Replied by tommylight on topic The dumification of humanity through internet

The dumification of humanity through internet

Category: Off Topic and Test Posts

Yeah, attention span has gone to hell in a hand basket with the advent of Instagrams and TikToks and the likes.
And youtube just had to jump into that bandwagon ! Now i am "forced" to post shorts that i really hate...
  • pgf
  • pgf
05 Apr 2025 14:28
Replied by pgf on topic Can MDI_COMMAND entries be explicitly numbered?

Can MDI_COMMAND entries be explicitly numbered?

Category: General LinuxCNC Questions

I seem to have forgotten to subscribe to this topic, so I've missed the replies until today. Sorry about that.

@Aciera -- not sure I understand the bit about "...not sure if it's really worth the effort as there are other keys that can occur multiple times (eg 'REMAP' or 'HALFILE')". How does that effect whether MDI_COMMANDS can be referenced explicitly?

@cmorley -- I'm surprised that this can be done on a UI-by-UI basis. But there's an awful lot I don't understand about the underpinnings of LinuxCNC.
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