GitHub - JCD09/led-strip: LEDStrip

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Name		Name	Last commit message	Last commit date
Latest commit History 2 Commits
led-cube-cmake		led-cube-cmake
pru		pru
.gitignore		.gitignore
Makefile		Makefile
ReadMe		ReadMe
default.nix		default.nix
ti-clpru.nix		ti-clpru.nix

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https://www.youtube.com/watch?v=xpGi4nEUoFQ

Debian 9 Image 2019-04-10, kernel version 4.14.108-ti-r124.
In order to enable PRU, uncomment the line from uEnv.txt.
uboot_overlay_pru=/lib/firmware/AM335X-PRU-UIO-00A0.dtbo

Reboot and run the "lsmod | grep uio". The output should be:
"uio_pruss              16384  0
uio_pdrv_genirq        16384  0
uio                    20480  2 uio_pruss,uio_pdrv_genirq"

Configure pins.
config-pin p8.11 pruout
config-pin p8.12 pruout