Can Anyone Help me? my code can not change the output of pru …
machinekit@beaglebone:~$ uname -a
Linux beaglebone 4.19.26-bone-rt-r26 #1stretch PREEMPT RT Thu Feb 28 11:27:59 UTC 2019 armv7l GNU/Linux
machinekit@beaglebone:~$ cat /boot/uEnv.txt
#Docs: http://elinux.org/Beagleboard:U-boot_partitioning_layout_2.0
uname_r=4.19.26-bone-rt-r26
#uuid=
#dtb=
###U-Boot Overlays###
###Documentation: http://elinux.org/Beagleboard:BeagleBoneBlack_Debian#U-Boot_Overlays
###Master Enable
enable_uboot_overlays=1