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  • PCW
  • PCW's Avatar
11 Jan 2025 21:57
Replied by PCW on topic Pulling out my hair trying to set up a spindle on 7i96

Pulling out my hair trying to set up a spindle on 7i96

Category: Basic Configuration

You would need to use firmware that has a PWM output to drive
your PWM to analog circuit, like 7i96d_1pwm.bit.

This firmware replaces stepgen4 STEP and DIR with PWM 0
PWM/DIR

To use pncconf to set up the spindle PWM, you would also need to use
the discover option (so pncconf knows there's a PWMGEN available)


 
  • gene_weber
  • gene_weber's Avatar
11 Jan 2025 21:55
Replied by gene_weber on topic RPi 5 with 6.12 PREEMPT_RT = Using POSIX non-realtime

RPi 5 with 6.12 PREEMPT_RT = Using POSIX non-realtime

Category: Installing LinuxCNC

Interesting. So that was unmodified OS install, and then a LinuxCNC 2.93 Uspace install? It's great that that worked.
  • ihavenofish
  • ihavenofish
11 Jan 2025 21:54
Replied by ihavenofish on topic Pulling out my hair trying to set up a spindle on 7i96

Pulling out my hair trying to set up a spindle on 7i96

Category: Basic Configuration

You need the 7i96S for spindle control.

You may have purchased the wrong one by mistake. I almost did that!
  • rodw
  • rodw's Avatar
11 Jan 2025 21:44
Replied by rodw on topic RPi 5 with 6.12 PREEMPT_RT = Using POSIX non-realtime

RPi 5 with 6.12 PREEMPT_RT = Using POSIX non-realtime

Category: Installing LinuxCNC

I'm not sure yet. I installed Debian Trixie on an i7 the other day. It uses 6.12.6. I installed Linuxcnc on it from the Debian repositories (which also installs linux-image-rt-arm64 as a dependency) and everything worked correctly.It might just be an ARM problem,
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