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  • JT
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25 Nov 2024 14:11
Flex GUI Slot Ops was created by JT

Flex GUI Slot Ops

Category: Flex GUI



Thanks Tom

JT
  • JT
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25 Nov 2024 13:51 - 25 Nov 2024 13:52
Replied by JT on topic Flex GUI Import a Python Module

Flex GUI Import a Python Module

Category: Flex GUI

Flex now has a user timer that can be used in the user python module.



JT
  • royka
  • royka
25 Nov 2024 13:50 - 25 Nov 2024 14:03
Replied by royka on topic Real-Time Kernel with Orange Pi 4 LTS

Real-Time Kernel with Orange Pi 4 LTS

Category: General LinuxCNC Questions

Weird that spidev doesn't show up, I think that the overlay is not complete, since it worked (or at least visible) before you could try to add the overlay files of the other boards to see if it helps.

The (gpu?) lag is probably because all the small cores are isolated now, you can try to see if the latency is still low enough with less cores isolated, isolcpus=3-5, isolcpus=4,5 or isolcpus=5. The first 2 cores are faster, so ideally you would isolate the second core, but then I think it should be changed in the source of LinuxCNC to run on that core instead of the last core, but 31.8us is certainly not bad
So you can try the following config:
verbosity=1
bootlogo=true
console=both
fdtfile=rockchip/rk3399-orangepi-4-lts.dtb
rootdev=UUID=a703d82e-8d61-4266-8b54-c10361d608ca
rootfstype=ext4
extraargs=isolcpus=4,5
overlay_prefix=rockchip
overlays=rk3399-opp-2ghz rk3328-spi-spidev rk3399-spi-spidev rk3399-uhs  rk3568-hk-spi-spidev
usbstoragequirks=0x2537:0x1066:u,0x2537:0x1068:u
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