Changes

{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big>'''Note that wiringOP is already pre-installed in the linux image released by Orange Pi. Unless the wiringOP code is updated, there is no need to re-download, compile and install, you can just use it directly.''' 

'''<span style="color:blue">orangepi-build/external/cache/debs/arm64/wiringpi_x.xx.deb</span>'''

[[File:zero2w'''After entering the system, you can run the gpio readall command. If you can see the following output, it means that wiringOP has been pre-img170installed and can be used normally.png]]'''</big>

[[File:zero2w-img170.png|center]] <big>'''WiringOP currently mainly adapts to the functions of setting GPIO port input and output, setting GPIO port output high and low levels, and setting pull-up and pull-down resistors. Functions such as hardware PWM cannot be used.'''</big>|}

|}{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big><p>'''Note that the source code needs to download the code of wiringOP next branch. Please don't miss the -b next parameter.'''</p><p>'''If there is a problem downloading the code from GitHub, you can directly use the wiringOP source code that comes with the Linux image. The storage location is: /usr/src/wiringOP.'''</p></big>|}</li>

<p>orangepi@orangepi:~/wiringOP$ '''sudo ./build'''</p>|}</li>