Remora for RP2040

  • scotta
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18 Aug 2023 02:19 #278322 by scotta
Replied by scotta on topic Remora for RP2040
Great idea, something which all the Remora versions would benefit from.

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25 Aug 2023 22:34 #278960 by drewnabobber
Replied by drewnabobber on topic Remora for RP2040
For anyone interested I have posted the PicoBOB-DLX hardware to Github here:

github.com/Expatria-Technologies/PicoBOB-DLX
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28 Aug 2023 21:37 #279220 by drewnabobber
Replied by drewnabobber on topic Remora for RP2040
I posted my comments and code to this PR:

github.com/scottalford75/Remora-RP2040-W5500/pull/4

With these changes I'm seeing around 100-150 ns of jitter (50ns typical) in the base thread execution on the RP2040 so I think it looks pretty good now.
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09 Sep 2023 13:57 #280333 by dunk
Replied by dunk on topic Remora for RP2040
hi folks,
i'm also playing with the RP2040, W5500, stepper motors, etc.

Glancing at the code for this project, i want to check you know the default SPI speed for the W5500 cripples the throughput.
I can't remember off hand what the default is but `spi_init(SPI_PORT, 48000000);` increases it by a significant amount.

Maybe you know already,
but better to know twice than not at all....

dunk.

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09 Sep 2023 22:44 - 09 Sep 2023 22:45 #280354 by scotta
Replied by scotta on topic Remora for RP2040
Hi, Drewnabobber increased the speed to 50Mhz with his latest merge. A great improvement.

github.com/scottalford75/Remora-RP2040-W...src/w5x00_spi.c#L141
Last edit: 09 Sep 2023 22:45 by scotta.

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14 Sep 2023 07:05 #280704 by Snap1202
Replied by Snap1202 on topic Remora for RP2040
Is there somewhere a tutorial or an example for a setup of a machine with Remora? As its not Stepper configurator nor mesa configuration.
I think its a great alternative to mesa but to get more people involved i think a setup guide would really help, i know its for advanced users but if anyone has a link or doc for a basic setup guide i would really appreciate to have a good read on this topic.

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14 Sep 2023 21:30 #280786 by scotta
Replied by scotta on topic Remora for RP2040
Hi Snap1202,

The original Remora documentation will give you an insight into the basics, but it does not cover the Ethernet stuff. But configuration and LinuxCNC HAL is applicable.

remora-docs.readthedocs.io/en/latest/index.html

My YouTube videos also go through the setup of the Ethernet version.



That said, with more and more interest in all versions of Remora a more holistic set of docs is becoming important. Along with a good clean-up / rearrangement of the repos

I just received a shiny new PicoBOB-DLX from the Expatria Tech guys. Time permitting maybe a specific video on the RP2040 setup.

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14 Sep 2023 22:04 #280791 by drewnabobber
Replied by drewnabobber on topic Remora for RP2040
For the Expatria stuff, we publish the Flexi-Pi image which is basically ready to go with Remora and Probe Basic already installed.

I will write up the steps to install the Ethernet Remora component on there to use with the uFLexiNET/FlexiHAL and the PicoBOB DLX. It is 3 or 4 terminal commands, nothing complex.

github.com/Expatria-Technologies/remora-flexi-hal/releases

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15 Sep 2023 06:50 #280813 by Snap1202
Replied by Snap1202 on topic Remora for RP2040
Thanks for the quick reply, will have a good read on the links provided and just ordered an picobob-dlx to make it simple from the hardware side.

Regards
Dom

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04 Dec 2023 00:33 #287152 by telmoram
Replied by telmoram on topic Remora for RP2040
Hi, i am testing the linuxcnc hal file and remora rp2040+w5500 and have a question how add outputs in the config file for enable spindle and enable coolant?. Thanks.

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