July 7, 20233 yr I don't know why, I think after doing "sudo apt update/upgrade" (but I'm not sure), the wiringOP library on "orange pi 5" with Armbian 23.02.2 doesn't work anymore. If I run the command "sudo gpio readall" I get the following output: Oops: Unable to determine board revision from /proc/device-tree/system/linux,revision or from /proc/cpuinfo -> No "Hardware" line -> You'd best google the error to find out why. Can anyone help me solve this problem?
July 7, 20233 yr Author I managed to solve the problem by myself! I found that I had a number of libwiringPi files inside the /usr folder, they are probably left over from previous attempts to install the wiringpi library. I removed these files manually and then proceeded to install the correct library Quote https://github.com/orangepi-xunlong/wiringOP/tree/next After this gpio readall started working again
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