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  • programador
  • programador's Avatar
27 Mar 2025 20:31
Replied by programador on topic Need help with stepconf set up

Need help with stepconf set up

Category: General LinuxCNC Questions

You need to synchronize the number of pulses from the hardware with the software. The photo below has the adjustment that increases the number of pulses.

 

The software has an initial screen to change the pulse speed. There must be a calculation for this, but I don't remember it at the moment. But you can try until you get the movement and then adjust it for the best performance.
 
  • Routerworks
  • Routerworks
27 Mar 2025 20:18
Replied by Routerworks on topic Need help setting up XYYZA for stepper motors

Need help setting up XYYZA for stepper motors

Category: General LinuxCNC Questions

Many thanks, I will give this a try and report back.

Thanks
  • BX-CNC
  • BX-CNC
27 Mar 2025 20:14
Replied by BX-CNC on topic Need help with stepconf set up

Need help with stepconf set up

Category: General LinuxCNC Questions

Thanks for your response.
Do i need to change the parameters like step time for drivers in the first page pf stepconf? I think thats the main reason of motor not running. Since i can toggle the machine by clicking on PC, i think breakout board right now can send the signals.
  • PCW
  • PCW's Avatar
27 Mar 2025 20:08
Replied by PCW on topic 7C80 on RPI5

7C80 on RPI5

Category: Driver Boards

That actually should work.

The faulty firmware has RPI GPIO 25 (40 pin header pin 22) 
as the SPI /CS pin.  The actual RPI SPI CS0 pin is RPI GPIO 8 (40 pin
header pin 24), so connecting 40 PIN header pins 22 to 24 should
allow access to the faulty firmware.

In fact  the only reason this was missed is that on a RPI4, GPIO25
happened to be low by default so /CS was asserted.

Is it possible you have the wrong pin numbers or a unrelated cable issue?
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