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  • JackRay
  • JackRay
06 Sep 2025 07:49
The Parameters was created by JackRay

The Parameters

Category: General LinuxCNC Questions

Hello, I am writing G-code files with parameters O<measure> call [#1] [#2] ... and I cannot access certain variables in LinuxCNC 2.9.4 (e.g., <#_tool_diameter>). I need to read this data in my tool table in order to develop my program. Can anyone help me?Thank you.
  • Sandro
  • Sandro
06 Sep 2025 07:32

Probe Basic tool touch off gives "Probe tripped during non-probe move"

Category: QtPyVCP

I am sometimes facing the same error just when the probe is tripped during the slow probe move. But I don't fully understand how this is related to the probe home?
  • Sandro
  • Sandro
06 Sep 2025 07:25
Replied by Sandro on topic Problems with Lichuan Ethercat servo drive

Problems with Lichuan Ethercat servo drive

Category: EtherCAT

Check my comment on page 9 for a csv config.
  • amanker
  • amanker
06 Sep 2025 06:45
  • emresensoy
  • emresensoy
06 Sep 2025 06:01

SOLVED - VNC Server problem on Raspberry Pi 5 4GB - LinuxCNC official image

Category: General LinuxCNC Questions

I downloaded the official image from here; www.linuxcnc.org/iso/rpi-5-debian-bookwo...25-01-27-0140.img.xz
Everything is ok, linuxcnc and ethercat master is working, 

I am trying to connect via VNC from remote, when I connected to 192.168.1.122:1 via VNC's password, its connecting but there is only blank gray screen,
I installed tightvncserver also, its same,
What should I do?
  • amanker
  • amanker
06 Sep 2025 05:49

Remora - Rpi Software Stepping Using External Microcontroller via SPI

Category: Computers and Hardware

When machine comes out of estop it gives error "Remora FATAL ERROR [JASON Config]: Config file open failed (status=0xA2)".
  • Moutomation
  • Moutomation
06 Sep 2025 05:08
Replied by Moutomation on topic Speed in jog use

Speed in jog use

Category: General LinuxCNC Questions

Thank you very much for your help.
  • cadcam
  • cadcam
06 Sep 2025 05:03
Replied by cadcam on topic problems with Verser Probe Screen 2.9

problems with Verser Probe Screen 2.9

Category: Basic Configuration

Have you made any further progress with this?
  • amanker
  • amanker
06 Sep 2025 04:17 - 06 Sep 2025 04:18

Remora - Rpi Software Stepping Using External Microcontroller via SPI

Category: Computers and Hardware

If someone can give me example config.txt and config files hal and ini for skr3 board, it would be really helpful. Or look at my config files for skr3.
  • cadcam
  • cadcam
06 Sep 2025 03:45
  • Gusgus
  • Gusgus
06 Sep 2025 01:37

Remora - Rpi Software Stepping Using External Microcontroller via SPI

Category: Computers and Hardware

Hi tommylight!

We have tested the spinndle idea but the error happens regardless of if its on or off. We use and unshielded cable, let me test that out.
  • tommylight
  • tommylight's Avatar
06 Sep 2025 01:33

Remora - Rpi Software Stepping Using External Microcontroller via SPI

Category: Computers and Hardware

Most probably interference on the SPI wiring, so the first thing would be to make those wires very short, like 10cm short, or use shielded cable.
I would also not bother with the power supply as Octopus has pretty good regulators.
If the machine has a spindle, notice if the error occurs when the spindle is turned on.
  • Gusgus
  • Gusgus
06 Sep 2025 01:25

Remora - Rpi Software Stepping Using External Microcontroller via SPI

Category: Computers and Hardware

we turn on the machine, and all normal

## Entering IDLE state

we open linux cnc and enable the machine

## Entering RUNNING state

x ammount of time passes and this happens

## Entering RESET state
Resetting rxBuffer

disable and we then get this printout

## Entering IDLE state

after that we can enable the machine but the time it takes for it to enter the reset state is much much shorter, like milliseconds
  • Gusgus
  • Gusgus
06 Sep 2025 01:23

Remora - Rpi Software Stepping Using External Microcontroller via SPI

Category: Computers and Hardware

Hello again Scotta!

We've continued testing on the octopus board, we have gotten movement but it seems that the SPI communication with the board seems to keep dying. We got the serial output:

Creating a std module

Remora PRU - Programmable Realtime Unit 

 Mbed-OS6 

 Remora-spi Driver 

## Entering SETUP state
1. Reading json configuration file
Mounting the filesystem... OK
Opening "/fs/config.txt"... OK
Json config file lenght = 1996
Closing "/fs/config.txt"... 
2. Setting up DMA and threads
Initialising SPI1 slave
Initialising DMA for SPI

3. Parsing json configuration file
Config deserialisation - Deserialization succeeded

4. Config threads
Creating thread 40000
Creating thread 1000
Creating thread 57600

5. Loading modules

Servo thread object
Reset pin
Make Reset Pin at pin PC_15

Creating a std module
Creating Pin @
  port = GPIOC
  pin = 15

Servo thread object
eStop
Make eStop at pin PG_12

Creating a std module
Creating Pin @
  port = GPIOG
  pin = 12

Servo thread object
Spindle
Make PWM at pin PB_0

Creating a std module
Creating variable frequency Hardware PWM at pin PB_0
Creating Pin @
  port = GPIOB
  pin = 0

Base thread object
X - Joint 0 step generator

Creating a std module
Creating Pin @
  port = GPIOG
  pin = 2
Creating Pin @
  port = GPIOF
  pin = 9
Creating Pin @
  port = GPIOF
  pin = 10

Base thread object
Y1 - Joint 1 step generator

Creating a std module
Creating Pin @
  port = GPIOF
  pin = 1
Creating Pin @
  port = GPIOC
  pin = 13
Creating Pin @
  port = GPIOF
  pin = 0

Base thread object
Y2 - Joint 1 step generator

Creating a std module
Creating Pin @
  port = GPIOD
  pin = 4
Creating Pin @
  port = GPIOE
  pin = 2
Creating Pin @
  port = GPIOE
  pin = 3

Base thread object
Z - Joint 2 step generator

Creating a std module
Creating Pin @
  port = GPIOE
  pin = 0
Creating Pin @
  port = GPIOE
  pin = 6
Creating Pin @
  port = GPIOA
  pin = 14

Servo thread object
X min
Make Digital Input at pin PG_6

Creating a std module
  Setting pin as No Pull
Creating Pin @
  port = GPIOG
  pin = 6

Servo thread object
Y min
Make Digital Input at pin PG_9

Creating a std module
  Setting pin as No Pull
Creating Pin @
  port = GPIOG
  pin = 9

Servo thread object
Z min
Make Digital Input at pin PG_10

Creating a std module
  Setting pin as No Pull
Creating Pin @
  port = GPIOG
  pin = 10

Servo thread object
Probe
Make Digital Input at pin PG_11

Creating a std module
  Setting pin as No Pull
Creating Pin @
  port = GPIOG
  pin = 11

## Entering START state

Starting the BASE thread
Registering interrupt for interrupt number = 24
    power on Timer 9

Starting the SERVO thread
Registering interrupt for interrupt number = 25
    power on Timer 10

## Entering IDLE state

## Entering RUNNING state

## Entering RESET state
   Resetting rxBuffer

## Entering IDLE state


This last bit is where we are running into a wall, we are not sure what is causing this.
 
  • PCW
  • PCW's Avatar
05 Sep 2025 23:35

Machine off at the end of the programm. Repeatable!

Category: Milling Machines

Consistent position errors after a long program could indicate a step timing
or polarity issue. Too low direction setup or hold times could cause a lost step
at reversals. Wrong step polarity can also cause this issue as stepping on the
trailing edge of the step pulse (rather then the expected leading edge) will
decrease the expected hold time.

It might be worth either inverting the step polarity or increasing the setup/hold times,
at least to see if it changes anything.
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