LinuxCNC + Orange Pi (allwincnc)

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4 years 10 months ago #229843 by taylorcmq
Replied by taylorcmq on topic LinuxCNC + Orange Pi (allwincnc)
I'm working on the project with esp32 in another topic here on the forum, I did some tests and it reached 120khz and a single axis but with 3 axes around 60khz, however it brings the advantage of using an ethernet port and makes it easier to use in scrapbook notebooks etc. , computers with parallel port are a big problem and lack of a low cost ethernet controller is also a problem, at the moment I test with a notebook in dual boot with windows 10 and in tests it looks very promising, however as an enthusiast I like this allwinner project and I even bought a 1gb pc opi for testing but my latency is always high, and with some smaller drives like the tb6600 I had the card disconnected, on the dm860 this didn't happen!

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4 years 10 months ago - 4 years 10 months ago #229859 by ALittleOffTheRails
Replied by ALittleOffTheRails on topic LinuxCNC + Orange Pi (allwincnc)
Generally laptops & notebooks and whatever aren't the best option for running linuxcnc due to the power saving bits & bobs they add in to reduce power usage.

Being very truthfully and having experience with MESA and "roll your own" once you work out the additional costs for voltage level conversion, I|O protection and the convenience for of connectors used on the MESA boards, they are expensive to buy the particular ones MESA uses, the MESA hardware is quite good value.

The OPi works fine with the Allwincnc setup. Haven't seen any "following errors".

Haven't bothered to check the latency, if it works it works.

The type of stepper drive you hang off the ESP32 setup has no affect, basically all you are doing is lighting an LED inside an optocoupler of the majority of stepper drivers.
Last edit: 4 years 10 months ago by ALittleOffTheRails.

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4 years 10 months ago #229974 by MLc
Replied by MLc on topic LinuxCNC + Orange Pi (allwincnc)
Hello, I want to ask if anybody using gmoccapy screen with allwincnc? I tried it but got few errors about missing icons, their size and Debug file information said => Failed to load module ''gail''

Thank you Martin
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4 years 10 months ago #229993 by ALittleOffTheRails
Replied by ALittleOffTheRails on topic LinuxCNC + Orange Pi (allwincnc)
This should go someway to fixing part of the problem.
itectec.com/ubuntu/ubuntu-how-to-install-gail-and-atk-bridge/

As for the icons, that seems to be a gmoccapy issue, well they both are.

Just remember the OPi isn't a powerhouse, hence the reason for the included configs for Axis & tklinuxcnc.

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4 years 10 months ago #230030 by taylorcmq
Replied by taylorcmq on topic LinuxCNC + Orange Pi (allwincnc)
here in my country the desk interface is not a very viable option, considering that from $250 usd when all taxes and transport costs are added it comes to almost $1000 usd, believe me it is very expensive for us because 1 USD costs 5,68BRL approximately, so we are talking about a card of 5680 BRL, which is equivalent to 5 minimum wages in my country!

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4 years 10 months ago #230205 by MLc
Replied by MLc on topic LinuxCNC + Orange Pi (allwincnc)
Thanks.
This help me, the error has disappeared. But I got another error.
I'll try to write to MXmaster and ask about it.

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