1. Forum
  3. Search

Advanced Search

Search Results (Searched for: raspberry pi 3)

  • 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.
Displaying 316 - 320 out of 320 results.
  1. Forum
  3. Search
Time to create page: 0.895 seconds
Powered by Kunena Forum