This version is tested on a Printrbot Simple Metal 3D printer with customized controller based on Intel MinnowMAX. The tested software environment is Yocto Linux 4.4 with PREEMPT_PT patch and libmraa library.
Quick guide:
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Copy the whole directory over to the Yocto Linux on MinnowMAX.
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do 'make'
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do './marlin your_stl_file.stl'
See https://www.cs.bu.edu/~richwest/smartprint3d.php for details.