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Today 11:37 - Today 11:37
Replied by andypugh on topic Raspberry Pi Buildbot .iso

Raspberry Pi Buildbot .iso

Category: Installing LinuxCNC

On the current released iso the username and password have been changed to the conventional pi / raspberry
Yesterday 03:12
Replied by wiremonkey on topic Raspberry Pi 4 Tutorial - fatal error

Raspberry Pi 4 Tutorial - fatal error

Category: Installing LinuxCNC

Hi phillc54,
Yes, that's the file I installed.
The CPU error is what's baffling.
Yesterday 20:00
Replied by Bari on topic Raspberry Pi 4

Raspberry Pi 4

Category: Computers and OS's

It's 32bit.

Run "uname -m" to confirm. If it says aarch64 then it is 64 bit. If it says armv7l then it is 32 bit.

If you want 64b I'd start with github.com/sakaki-/gentoo-on-rpi-64bit
Bootable 64-bit Gentoo image for the Raspberry Pi 4 Model B, and Pi 3 B and B+, with Linux 5.4, OpenRC, Xfce4, VC4/V3D, camera & h/w codec support, profile 17.0, weekly-autobuild binhost
Yesterday 16:08
Replied by AgentWD40 on topic Raspberry Pi 4

Raspberry Pi 4

Category: Computers and OS's

Bari wrote: You don't have to install using all the steps at JT's site anymore. There is a full working SDcard image on the wiki now.

LinuxCNC 2.8.0 Raspberry Pi OS based on Debian 10 Buster
www.linuxcnc.org/iso/linuxcnc-2.8.0-pi4.zip

Raspberry Pi 4 Uspace compatible with Mesa Ethernet and SPI interface boards.

A StepConfig app could be written for Rpi4.


I'm curious, is this rpi distro 64 bit?
Yesterday 15:50
Replied by Bari on topic Raspberry Pi 4

Raspberry Pi 4

Category: Computers and OS's

Turned off GPU accel and video4linux and with a 100,000nS servo thread latency is <25,000nS after several hours, but without playing a video.
Kernel 4.19.71, the one that comes with the Rpi4 2.8 img on the LCNC website.
www.linuxcnc.org/iso/linuxcnc-2.8.0-pi4.zip
Video is limited to 1920x1080. Overclocked to 2.1Ghz, isolcpus=1,2,3, idle=poll

With video playback latency jumps to 102,000nS after a few seconds. Video is choppy.

A USB GPU might work well enough with the Rpi4. Will try that soon.

We had Xenomai on the allwinners 6 years ago (cubieboards) at 40,000 worst case while playing videos.
Yesterday 08:39
Replied by Donno on topic Generic Zynq or Artix-7 card

Generic Zynq or Artix-7 card

Category: Driver Boards

I am also curious, just got an email from Chinese online retailer promoting a FGPA enabled raspberry pi AKA Lychee HEX ZYNQ7020 FPGA Development Board Raspberry Pie Edition.
Yesterday 06:37 - Today 07:41
Replied by partec on topic Raspberry Pi 4

Raspberry Pi 4

Category: Computers and OS's

Yes, thank you, this Stepconf i know.

I am looking for something like

erste.de/rasPiCat.html

how to configure Raspberry PI4 GPIO to use it as it is like the parallel ports, say ini and hal configuration
Yesterday 05:47
Replied by Bari on topic Raspberry Pi 4

Raspberry Pi 4

Category: Computers and OS's

For x86 we have linuxcnc.org/docs/html/config/stepconf.html
Stepconf is a program that generates configuration files for LinuxCNC for a specific class of CNC machine: those that are controlled via a standard parallel port, and controlled by signals of type step & direction.

Stepconf is installed when you install LinuxCNC and is in the CNC menu.

A similar app could be written for the Rpi to configure GPIO's and test them.
Yesterday 05:09
Replied by partec on topic Raspberry Pi 4

Raspberry Pi 4

Category: Computers and OS's

thank you Bari, what does this exactly mean, please, a StepConfig app could be written for Rpi4?
21 Sep 2020 00:35
Replied by Bari on topic Raspberry Pi 4

Raspberry Pi 4

Category: Computers and OS's

You don't have to install using all the steps at JT's site anymore. There is a full working SDcard image on the wiki now.

LinuxCNC 2.8.0 Raspberry Pi OS based on Debian 10 Buster
www.linuxcnc.org/iso/linuxcnc-2.8.0-pi4.zip

Raspberry Pi 4 Uspace compatible with Mesa Ethernet and SPI interface boards.

A StepConfig app could be written for Rpi4.
20 Sep 2020 22:53 - 21 Sep 2020 00:06
Replied by partec on topic Raspberry Pi 4

Raspberry Pi 4

Category: Computers and OS's

i think that would be fine

i have installed it with JT's

gnipsel.com/linuxcnc/uspace/rpi4-rt.html

my question remains how to manage GPIO configuration in detail?
20 Sep 2020 21:01
Replied by Bari on topic Raspberry Pi 4

Raspberry Pi 4

Category: Computers and OS's

Should I make a LCNC SD card image with LCNC 2.8 already configured to run a DLP/LCD printer using the Rpi4? I'm not sure how simple this has to be made for hobbyists to be able to use it.
20 Sep 2020 04:30
Replied by wiremonkey on topic Raspberry Pi 4 Tutorial - fatal error

Raspberry Pi 4 Tutorial - fatal error

Category: Installing LinuxCNC

I just installed this one and tried. Same Error CPU 0 not supported! message...
I may head down the 64bit route since I'm having no luck with these 32bit installs or .img files.
Thanks!
20 Sep 2020 04:23
Replied by phillc54 on topic Raspberry Pi 4 Tutorial - fatal error

Raspberry Pi 4 Tutorial - fatal error

Category: Installing LinuxCNC

20 Sep 2020 04:19
Replied by wiremonkey on topic Raspberry Pi 4 Tutorial - fatal error

Raspberry Pi 4 Tutorial - fatal error

Category: Installing LinuxCNC

I'm on it, I'll report back. The problem is that all of these files have the same name. Who knows what's what?
By the way, it looks like LinuxCNC launched and actually ran with the other .img, but clearly something is wrong. I wonder if anyone is having luck running a 64bit version of linux on a pi4 and linuxcnc?
Cheers fingers crossed.
Tyler
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