樹莓派4B gpio readall 出現Oops - unable to determine board type... model: 17

是wiringPi版本問題

http://wiringpi.com/wiringpi-updated-to-2-52-for-the-raspberry-pi-4b/

打開樹莓派終端輸入：

cd /tmp
wget https://project-downloads.drogon.net/wiringpi-latest.deb
sudo dpkg -i wiringpi-latest.deb

gpio readall