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Did you look into upgrading the RPi firmware\bootloader ?

OK, I have something else going on, but I can't figure out what.
I've got 2 RPi4B here, 2x new 64GB Sandisks from Amazon, and one older one that put a LinuxCNC image on about a year ago, which booted some text but said "this board requires newer software" and kept repeating that. I'm using HDMI0

The old card still booted to "this board requires newer software".

But I made up a card for the regular RPi OS 64 bit. That did NOT boot either! OK... so...
Power supply? changed to two other power supplies, including my Dell laptop USB-C supply. No diff.
PC? That would make some sense, but I reprogrammed the card on a different PC. No diff.
Bad SDHC card? That we're dealing with 3 different cards acting the same makes that implausible.

There's clearly a problem here if I can't boot a regular image. But as far as I can tell I've ruled out everything but the monitor.

Since there have been so many changes in gpio access between the RPi 4 and the RPi 5 ATM Ethernet would appear to be the only option. Or PCIe might work but there is not a great deal of information regarding the interface on the RPi5.
Until a SPI driver becomes available mine has gone back into its box and in a drawer.

I would like some help installing linuxcnc for raspberry pi 5. How to configure the hal file to access gpio in version 5. Does anyone have a working model hal file for the raspberry pi5 and could share it with me?

      Hello !!

I am trying to implement simply 3-axis cnc-machine with spindle with my spartan-6 fpga and raspberry pi-4 (attaching spartan-6 mini manual for the reference). 
I've tried to understand PIN_5ABOBx3D_57.vhd, 7c81spi.ucf & c81_x9card.vhd and made project on ISE 14.7 (changed ucf file according to our spartan-6 pinouts), also created bitstream and flashed it using impact of xilinx. I've also configured linuxcnc using pncconf and edited "loadrt pci" to "loadrt rpspi" & "5i25" to "7c81" in ini and hal file respectively.
Still facing issue while running linuxcnc. attaching ss of error while running linuxcnc and files of fpga. 
Can anyone please help me with this ?
Thanks !!  

dannym wrote:

no luck with that 2.9.1

It prints a few lines of text in the upper left, then the HDMI signal dies and the monitor goes to sleep.  It's not booted and not responsive to keyboard

Both RPI4s I have, burned with RPi imager and "no" to customizations

You can try this version, which I've verified works on both the Raspberry Pi4 and the 400

drive.google.com/file/d/102X3o4uYb6QLkgT...uKe/view?usp=sharing

user: pi
pwd: raspberry

Have you updated your firmware using the rpi imager?

Bought my first Pi yesterday from Core electronics in Australia. Considering the fact i live in New Zealand, the UNDER 24 hours from order to delivery was just astonishing- cant recommend that company highly enough- and nobody in NZ had the 8gig Pi5, so it was even more unexpected that things might go this smoothly :-D

 

no luck with that 2.9.1

It prints a few lines of text in the upper left, then the HDMI signal dies and the monitor goes to sleep.  It's not booted and not responsive to keyboard

Both RPI4s I have, burned with RPi imager and "no" to customizations

For RPi 4 use this

www.linuxcnc.org/iso/linuxcnc-2.9.1-bookworm-rpi4.img.xz

Unless of course you have a reason to use 2.8.4

I if you use the raspberry pi imager to write the SD card don't "customise" the image.
After booting you can use menu-config to change some settings. Just be aware the structure of this image isn't exactly the same as the Official RPi images but has been tailored for use with Linuxcnc.

I made an SD card with "Raspberry Pi OS (Legacy) with desktop and recommended software" and tried on two different RPi4B, one 4GB one 8GB.

It shows a splash screen, a text changes rapidly in the lower left corner, then it locks up. The HDMI signal is gone, the monitor goes into standby, and it won't respond to keyboard input

Where do I go from here?

Hi Chris,

I heard there's been a lot of development on Probe_Basic recently and some new contributors.

Thanks for the fantastic work everyone !!!

Question; We currently have two CNC routers running Probe_Basic on Debian 10 and Mesa cards. We're trying to build a new Probe_Basic controller using a Raspberry Pi 4 and the BTT SKR v1.4 Turbo board. Do you know if the instructions above will work for that situation ?

Hello Everyone,I'm excited to share that I'm embarking on a new adventure (BP412) in the upcoming months. To give you some context, I've previously worked with a CNC ISEL and an Emco 120, both paired with a 7C80 controller. These setups have worked well for me, but I've noticed that Linux runs quite slowly on a Raspberry Pi compared to a second-hand PC.Recently, I've been focused on working with a Bridgeport Interact 4 Series 2, using a 7I80DB-25 controller alongside a 7i76 and three servos. This setup has been running smoothly with a second-hand PC equipped with a dedicated Ethernet card.Now, with the new machine, I'm inclined to go analog as I believe it will offer better performance. My initial plan was to use a 7I80DB-25 paired with a 7i77, but I've encountered a challenge – the 7i77 is currently unavailable through eusurplus.I have a few questions and would appreciate any advice you can offer:
Considering the unavailability of the 7i77, would the Mesa 7I97 Ethernet-interfaced Analog servo plus I/O is a viable alternative, despite having only 16 outputs and 16 inputs.

1. Is there a chance that the 7i77 might become available again in the future?
2. What are the key differences between the Mesa 7i80HDT, HD-16, and HD25, and how do they compare when paired with a 7i33TA or 7I48? Are there significant variations in performance, especially concerning the number of supported axes?
3. As a last option, the 7i83. However, I'm curious if there are any noticeable performance differences between this card and the 7i33TA, 7i48, and the currently unavailable 7i77.

Additionally, I'm interested in understanding if there are any distinctions between the DB25 and the 50-pin header connectors.Thank you for your insights and guidance.Best regards, Andries Tuinhof

Zayoo wrote:

Thank you for help.
Currently my setup work on bench with serial communication of the box, just small adjustment of baud rate in rio.v and adjusting port in rio.h!
Still lot to do.
 

Hi Zayoo,
nice !
Are you using a Raspberry with Serial on GPIO or an USB-Serial-Adapter ?

 

It does, I was personally working with rod to make the current images for the raspberry pi 4.
I have personally used the image on a RP-400 and the RPi4. To say that the 2.9.1 image doesn’t support Raspberry Pi 4 is totally incorrect.
There has been an awful lot of testing and development gone into it. There would be no way that it would be released and not working.
I’d suggest redownloading the image and making sure it is not corrupted. One thing I would do, if you are using the raspberry pi imager utility to write the image is not to make any customisations. Whilst the image does work it is not based on the official raspberry pi OS image but it does use the same Debian bookworm repositories.
Many others are using this image quite fine.