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  • billykid
  • billykid's Avatar
15 Jun 2025 14:08 - 15 Jun 2025 14:14
Replied by billykid on topic Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

so it's perfect! if I think how much time I wasted with a nuc i3 to improve the latency without succeeding... I need it to tune up some drives that I recovered 2 years ago, now I also have the servos. if anyone knows these maybe they can give me some advice on how to use them in the best way.
drive Sanmotion rs2aa03a0al0 motor r2aa06040fxp
  • unknown
  • unknown
15 Jun 2025 07:26
Replied by unknown on topic Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

That's the easiest way, I think I mentioned that earlier, I like Network Manager as I can turn the wifi off whilst running a job.
  • billykid
  • billykid's Avatar
15 Jun 2025 07:12
Replied by billykid on topic Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

I installed network manager and both connections, 7i80 and internet are fine.
  • billykid
  • billykid's Avatar
14 Jun 2025 09:28
Replied by billykid on topic Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Linuxcnc & the Raspberry Pi (4 & 5) Official Images Only!!!

Category: Installing LinuxCNC

hi, i installed linuxcnc raspberry5 4gb image on ssd and it starts normally but i am not able to connect to wifi. i followed the instructions, used menuconfig with my data and country=IT but nothing. maybe because in the ssid there are two spaces? "FRITZ.Box 7590 BX" i tried before asking... god knows how much i tried :-)
  • rodw
  • rodw's Avatar
13 Jun 2025 22:51
Replied by rodw on topic WiFi Problem on Raspberry Pi

WiFi Problem on Raspberry Pi

Category: General LinuxCNC Questions

Brisbane here.

Personally, I would not use a wifi extender. Instead, I would install a Ubiquiti wireless link with a couple of these
www.computeralliance.com.au/ubiquiti-loc...nostation-cpe-airmax
I ran an 800m link with Ubiquiti Loco M5's which are about $10 more. It was a bulletproof 150 mb link for about 10 years. In the shed, attach to a switch and add a Wireless Access point. In the house, just attach it to your network. Run them on 5G where they can use frequencies still legal but outside of the congested? 5G space.

This would let you use a network port (even if a USB one) on your machine and would be much more robust.
  • unknown
  • unknown
12 Jun 2025 10:22 - 12 Jun 2025 10:24
Replied by unknown on topic WiFi Problem on Raspberry Pi

WiFi Problem on Raspberry Pi

Category: General LinuxCNC Questions

A grounded steel enclosure is not the best place to be emitting radio signals from.

Nowadays just about any wifi dongle will work, but it will need an external antennae.

Should a good starting point for usable wifi adapters, anything that works with Debian Bookworm will work.
github.com/morrownr/USB-WiFi

If you need extra help I'm located in Sydney as well.
  • electrosteam
  • electrosteam
12 Jun 2025 08:41 - 12 Jun 2025 08:44
Replied by electrosteam on topic WiFi Problem on Raspberry Pi

WiFi Problem on Raspberry Pi

Category: General LinuxCNC Questions

Steel, 400 x 600 x 190.
See attached (poor) photo showing RPi hanging in space:
Row 1: stepper drivers,
Row 2: RPi stacked on Mesa, I/O PSU,
Row 3: 12 Vdc relays, Mesa core PSU,
Row 4: Terminals,
Side: stepper sockets, hole for monitor+keyboard+mouse cables, GPO for monitor + RPi.
Terminals and cables as appropriate, much neater generally.

I have a virtually identical cubicle with some electrical equipment in it.
Stripping and testing should begin next week.

The RPi 4GB and L2.9.2 need to go back to their day job of cutting metal.
John.
  • unknown
  • unknown
12 Jun 2025 01:59
Replied by unknown on topic WiFi Problem on Raspberry Pi

WiFi Problem on Raspberry Pi

Category: General LinuxCNC Questions

What material is the enclosure ?
  • electrosteam
  • electrosteam
12 Jun 2025 00:21
Replied by electrosteam on topic WiFi Problem on Raspberry Pi

WiFi Problem on Raspberry Pi

Category: General LinuxCNC Questions

Thanks Rod, the external antenna was my next move.
I am in Sydney, any suggestion on model number that is known to work with LC2.9.4 ?

The Extender has been set up to use 2.4 GHz from the start.

The engineer in me wants to know why the failure in the cubicle.
I will do some more testing.
John.
  • rodw
  • rodw's Avatar
11 Jun 2025 12:10
Replied by rodw on topic Raspberry Pi Kernel recompile for waveshare 1Gbit Network interface

Raspberry Pi Kernel recompile for waveshare 1Gbit Network interface

Category: Computers and Hardware

Seems the card uses a R8168 interface. The R8168 requires a DKMS driver to get acceptable RT  performance. Not sure how that goes with a Pi. I would not use it for ethercat but would be fine for general network use.
  • rodw
  • rodw's Avatar
11 Jun 2025 11:41
Replied by rodw on topic WiFi Problem on Raspberry Pi

WiFi Problem on Raspberry Pi

Category: General LinuxCNC Questions

Try 2.4 GHz. 5 GHz is not as reliable in an industrial setting and has much shorter range. I turned off all my 5G wifi

Failing that use a wifi USB dongle that has an external antenna and get a SMA bulkhead mount cable to extend it outside of the cabinet
  • electrosteam
  • electrosteam
11 Jun 2025 09:43
WiFi Problem on Raspberry Pi was created by electrosteam

WiFi Problem on Raspberry Pi

Category: General LinuxCNC Questions

Raspberry Pi 4B 4GB has operated a very conventional x,y,z mill with a Mesa 7i96 for a couple of years.
WiFi never worked and has been a back-burner issue for a year or more.

Two cubicles:
 - Power: VFD, stepper supply, general supplies, AC/DC relays,
 - Electronics: RPi, stepper drivers, DC relays, power supplies,
     - minimal 240VAC cabling for power supplies, monitor.
 Monitor, keyboard and mouse cabled.

WiFi-Extender for workshop 4m from RPi.
Test set-up on workshop bench 6m from Extender.
Bench desktop ethernet cabled to extender, has always had reliable WiFi.

I have two RPi; 4GB and 8GB.
The 4GB is currently LC2.9.2, and I downloaded LC2.9.4 recently to a separate SD card.

Investigated:
 - both 4GB and 8GB operate WiFi with either L2.9.2 or LC2.9.4 on the bench no problem,
 - confirmed linked to the Extender by switching it Off (house WiFi 5G is at -70dBm),
 - both operated with Mesa card Off,
 - both fail to launch WiFi in electronic cubicle when mounted or hung in free space.

Also:
 - both have identical (as close as I can tell) WiFi set-up,
 - both detect the Extender and show signal level at -40dBm,
 - both fail to scan for ssid using menu-config in LC2.9.4,
 - both respond to "iw dev wlan0 scan" with response for Extender at -40dBm.

Note: test in cubicle has all non-essential supplies Off: VFD, steppers, Mesa, general control,
nothing else in workshop energised, other than air conditioner and desktop.

Need suggestions on which stone to turn over next.
John.
  • unknown
  • unknown
10 Jun 2025 23:32
Replied by unknown on topic Raspberry Pi Kernel recompile for waveshare 1Gbit Network interface

Raspberry Pi Kernel recompile for waveshare 1Gbit Network interface

Category: Computers and Hardware

Like I said the kernel in the image is the same as the RPi OS (with realtime added)

Driver is there:
cnc@raspberrypi:/boot$ ls /lib/modules/6.12.11/kernel/drivers/net/ethernet/realtek/
r8169.ko.xz
cnc@raspberrypi:/boot$ sudo modinfo r8169
filename:       /lib/modules/6.12.11/kernel/drivers/net/ethernet/realtek/r8169.ko.xz
firmware:       rtl_nic/rtl8126a-3.fw
firmware:       rtl_nic/rtl8126a-2.fw
firmware:       rtl_nic/rtl8125b-2.fw
firmware:       rtl_nic/rtl8125a-3.fw
firmware:       rtl_nic/rtl8107e-2.fw
firmware:       rtl_nic/rtl8168fp-3.fw
firmware:       rtl_nic/rtl8168h-2.fw
firmware:       rtl_nic/rtl8168g-3.fw
firmware:       rtl_nic/rtl8168g-2.fw
firmware:       rtl_nic/rtl8106e-2.fw
firmware:       rtl_nic/rtl8106e-1.fw
firmware:       rtl_nic/rtl8411-2.fw
firmware:       rtl_nic/rtl8411-1.fw
firmware:       rtl_nic/rtl8402-1.fw
firmware:       rtl_nic/rtl8168f-2.fw
firmware:       rtl_nic/rtl8168f-1.fw
firmware:       rtl_nic/rtl8105e-1.fw
firmware:       rtl_nic/rtl8168e-3.fw
firmware:       rtl_nic/rtl8168e-2.fw
firmware:       rtl_nic/rtl8168e-1.fw
firmware:       rtl_nic/rtl8168d-2.fw
firmware:       rtl_nic/rtl8168d-1.fw
license:        GPL
softdep:        pre: realtek
description:    RealTek RTL-8169 Gigabit Ethernet driver
author:         Realtek and the Linux r8169 crew <netdev@vger.kernel.org>
srcversion:     668EE5A1A5251AE4E5F0F08
alias:          pci:v000010ECd00003000sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008126sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008125sv*sd*bc*sc*i*
alias:          pci:v00000001d00008168sv*sd00002410bc*sc*i*
alias:          pci:v00001737d00001032sv*sd00000024bc*sc*i*
alias:          pci:v000016ECd00000116sv*sd*bc*sc*i*
alias:          pci:v00001259d0000C107sv*sd*bc*sc*i*
alias:          pci:v00001186d00004302sv*sd*bc*sc*i*
alias:          pci:v00001186d00004300sv*sd*bc*sc*i*
alias:          pci:v00001186d00004300sv00001186sd00004B10bc*sc*i*
alias:          pci:v000010ECd00008169sv*sd*bc*sc*i*
alias:          pci:v000010FFd00008168sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008168sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008167sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008162sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008161sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008136sv*sd*bc*sc*i*
alias:          pci:v000010ECd00008129sv*sd*bc*sc*i*
alias:          pci:v000010ECd00002600sv*sd*bc*sc*i*
alias:          pci:v000010ECd00002502sv*sd*bc*sc*i*
depends:        
intree:         Y
name:           r8169
vermagic:       6.12.11 SMP preempt_rt mod_unload modversions aarch64
sig_id:         PKCS#7
signer:         Build time autogenerated kernel key
sig_key:        14:CE:12:BC:56:1A:45:BD:26:4B:22:D7:A5:0D:7A:06:44:B9:F4:69
sig_hashalgo:   sha1
signature:      4A:5E:4B:28:A7:ED:65:3D:C8:53:C3:E2:BD:07:40:04:C0:32:C0:8E:
		4E:C5:37:6A:AE:02:25:29:77:E4:6F:92:65:10:15:3D:2A:05:62:9C:
		13:B7:B5:8A:8F:CA:95:FF:A6:B6:73:E2:85:75:D2:FD:C1:1E:58:64:
		3D:B1:97:1A:DB:85:9D:30:5F:98:FB:B6:55:54:42:37:8E:33:C2:36:
		0A:D5:DF:96:4D:9E:C1:1E:FE:B3:33:B1:7F:B2:1B:B4:76:FD:16:2C:
		66:22:9C:02:B2:ED:32:99:47:6B:96:FB:4D:1F:0F:DF:BE:D2:D7:F2:
		4E:FB:DB:AF:70:ED:AD:91:22:3F:08:96:88:C3:C9:BB:7A:80:7F:E4:
		40:E7:4D:AA:25:E5:DD:0D:78:0D:7E:14:EB:98:05:36:31:D2:2F:FA:
		9E:55:3F:11:71:F6:3A:4C:A5:F2:A7:F7:D6:B3:84:31:27:88:0B:18:
		61:F6:68:F9:31:D6:C7:8D:E6:9C:17:2F:25:05:DF:3F:19:7F:69:95:
		5E:C4:1F:09:D1:31:CE:E2:77:A3:F2:63:F4:16:9D:EC:B8:5D:33:01:
		75:BB:59:6E:6D:70:93:92:4F:CF:45:9A:9C:AA:DB:F0:C3:CB:CD:54:
		14:EF:25:C3:61:5F:05:52:BB:57:9D:D4:DA:F6:72:F4:AC:56:1E:EC:
		5D:3D:79:EB:15:67:2A:80:CD:D8:2E:D1:AA:07:8F:C5:BB:E3:BD:32:
		A7:E8:32:F7:5E:CD:E0:42:C1:05:EB:28:41:C4:FE:34:E0:6D:7E:E1:
		4F:34:EF:C0:25:95:A3:4D:7F:AE:04:7A:9A:9E:17:91:5C:89:CF:F1:
		E7:27:B1:D9:E2:F5:9E:45:DE:C3:78:15:B9:35:29:3A:83:0E:54:EF:
		80:D6:A6:09:0D:9C:F0:18:4A:5C:00:89:88:10:B6:66:44:31:78:A9:
		C3:47:1D:73:C6:1C:0E:33:DE:01:13:A8:C1:7B:13:82:D9:CB:0F:E5:
		2C:AC:24:70:F1:4A:45:E9:67:0F:38:94:0A:51:72:A7:4A:3A:BA:05:
		89:D0:0D:13:A2:23:05:3A:1B:96:EE:5E:28:79:14:C9:20:F6:D4:94:
		F7:C0:20:FB:E3:B9:52:3D:BB:C5:BB:68:DE:F8:08:32:4E:A4:F2:F5:
		2C:98:87:E8:E5:23:3A:7A:7A:A7:4C:AA:97:04:07:3A:4A:FF:AD:EA:
		1C:52:C0:2D:20:73:F7:75:A1:94:92:4E:64:21:4A:0E:35:22:73:81:
		92:84:97:98:3A:C2:3E:06:99:42:86:1D:33:7E:8A:22:90:3F:66:8C:
		57:76:DE:B3:EC:D2:AA:DE:54:E4:C0:6E

You may have to check dmesg for any references to R8169. PCIe should be enabled, I used a NVMe boot drive. Remember that the location of config.txt is
/boot/broadcom/config.txt
I sure this is mentioned in the main image RPi5 thread.
  • mediocre_chloride
  • mediocre_chloride's Avatar
10 Jun 2025 22:43 - 10 Jun 2025 22:44
Replied by mediocre_chloride on topic Raspberry Pi Kernel recompile for waveshare 1Gbit Network interface

Raspberry Pi Kernel recompile for waveshare 1Gbit Network interface

Category: Computers and Hardware

Thanks for the fast reply

I Downloaded 2.94 Rpi 5 based OS from the official linuxcnc/download site.

The Waveshare user guide states that something in the lines of:
Device Drivers
> Network device support
    > Ethernet driver support
       > Realtek devices
          > Realtek 8169/8168/8101/8125 ethernet support

needs to be added if not using original rpi os.
i am pretty sure that is the problem, as i see the card with lspci as described in the user guide:

 

but not in ifconfig:

 

it is also stated, drivers could be installed manually but its not recommended.
Also, there are other rpi linuxcnc distros floating around, do you think its worth switching around?
 
  • unknown
  • unknown
10 Jun 2025 20:59
Replied by unknown on topic Raspberry Pi Kernel recompile for waveshare 1Gbit Network interface

Raspberry Pi Kernel recompile for waveshare 1Gbit Network interface

Category: Computers and Hardware

Shouldn't need recompiling as, our images use a kernel built from the Raspberry Pi GitHub sources.
The only difference being is choosing the kernel config option for real time.
If the standard kernel doesn't work give me a yell and I'll build an update image, as there are a few minor things I would like to add.
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