7i76e what am I doing wrong

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07 Jan 2021 08:21 #194334 by tommylight

Tommy, it would be useful if you could sticky that thread as the only easy to find option is Mint 2.0 which we don't want to use.

I removed the glue after the official 2.8 came out, but i can add some glue again.

Sorting out the dependencies are a bit of a pain and now I found QT adds a whole host more dependencies to run QTPlasmac

Use the script Phill made, it works on Mint 19.3 and is located in the "installing QTVCP" topic.

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30 Mar 2021 13:45 #204122 by zack
Replied by zack on topic 7i76e what am I doing wrong
this is mint with a new kernel some probs in timing with 7i76e
do you think this will work... histogram below
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30 Mar 2021 13:57 #204127 by PCW
Replied by PCW on topic 7i76e what am I doing wrong
Try it with the base thread disabled (the base thread will not be used and a 25 usec basethread saturates the CPU with context switching)

latency-histogram --nobase --sbinsize 1000
The following user(s) said Thank You: zack

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30 Mar 2021 15:10 #204131 by zack
Replied by zack on topic 7i76e what am I doing wrong
Thanks i can only test blind now as the cnc machine with (7i76e) is not available.
the pc is very stable and supports all required drivers with this kernel.

Is this histogram good enough., the 4.19.x-rt kernel is a bit faster, dose this matter.
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30 Mar 2021 17:10 #204139 by PCW
Replied by PCW on topic 7i76e what am I doing wrong
Might be, What are your ping times? (pinging the FPGA card)

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30 Mar 2021 17:17 #204140 by BigJohnT
You can test a few things with your PC and LinuxCNC like packet time and threshold on the PC tab of my 7i7e configuration tool.

jethornton.github.io/7i76e/

JT

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