Remora - Rpi Software Stepping Using External Microcontroller via SPI

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2 years 9 months ago #290567 by Lewis
Hello - first post in Linuxcnc forum!   I'm very interested in this Remora stuff and ended up here via the millennium machines discord as I'm following their progress.  I have a noob question- is there a way to use an older RPi3 with a remora based system ?  Are there any sites/links where I could go to read more about it ?  Thanks.

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2 years 9 months ago #290579 by scotta
Hi Lewis,

The original SPI version of Remora was actually developed on a RPi 3B, so yes it can be made to work as long as you can get LinuxCNC installed.

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2 years 9 months ago #290586 by cncmiljc
Could you help me configure the h743 with the lan8720? I have the threads working, but I'm not able to understand how the MPU_Config(void) is configured, if you could give me a path it would be of good help, I just need to understand the MPU because I don't think I know how to configure it.

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2 years 9 months ago #290587 by Lewis
Scott - Thanks for the response ! This is good to know - I think. I'm not super good with Linux but do have a buddy that is, so we might be able to figure it out. I have come across an installation description on your git that deals with LinuxCNC-On-Rpi but it looks like it's 4 years old so perhaps the information is dated. I will however have a read and try to not torment you with too many questions at this early stage. This looks like a fantastic development by the way. I've really managed to get myself wound up and excited about it all !
Cheers,
Lewis

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2 years 9 months ago #290924 by cakeslob
holy shit the boards came out looking like those old DIY electronics educational kits

   


time to test
The following user(s) said Thank You: tommylight

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2 years 9 months ago #290958 by Lewis
This is awesome. I am keenly following this development as I have a tiny cnc milling/engraving machine I want to build and wanted to use it mainly as a learning tool with LinuxCNC and the cam workbench in FreeCad. I've been reading the Remora docs and trying to understand the process of installing Linux on an older Pi3B. Are the instructions (steps 1-9) in the" Deprecated instructions preserved for posterity" section still current or are there any steps I need to adjust / modify? I'm retired and a bit of a bumbler with Linux but can pick my way around. Thanks for this promising looking development and cheers from Canada.

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