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A comment on Core Memory Shield for Arduino. Parent comment

Re:Core Memory Shield for Arduino by tombert on Friday April 26, 2019 @07:03PM (#19762525)
You have me curious; how do I do baremetal on the Raspberry Pi? Which RTOS do you use?
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Re:Core Memory Shield for Arduino by holy_city on Saturday April 27, 2019 @02:58AM (#19764237)
They've got a whole stickied thread on the forums about it:

https://www.raspberrypi.org/forums/viewtopic.php?f=72&t=7226...

And I think I was totally mistaken on RTOS's, I could have sworn there was a port of FreeRTOS for the RPi but it looks like that isn't really floating around.

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Re:Core Memory Shield for Arduino by SAI_Peregrinus on Saturday April 27, 2019 @06:30PM (#19768035)
RTAI &/or Xenomai are RTOSes based on Linux, both support ARM. Xenomai has support for the Pi Zero, Pi 2 model B, and Pi 3 Model B[1]. I've never used it, but it's probably easier than porting another OS from scratch.

[1] https://gitlab.denx.de/Xenomai/xenomai/wikis/Supported_Hardw...

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