云芯一号是极术社区推出的arm微服务器开发平台,基于RK3399 SoC(双A72+四A53+Mali-T864),预装了Ubuntu server 18.04,kernel版本4.4.194 是一款兼顾高性能和低功耗的开发板。感谢云芯一号的开发板。
sudo apt install xubuntu-desktop
wget https://mirrors.edge.kernel.org/pub/software/utils/i2c-tools/i2c-tools-4.1.tar.gz
tar -xzvf i2c-tools-4.1.tar.gz
cd i2c-tools-4.1
make
sudo make install
sudo i2cdetect -l
error while loading shared libraries: libi2c.so.0: cannot open shared object file:
No such file or directory
sudo cp lib/libi2c.so.0.1.1 /usr/lib/libi2c.so.0
sudo chmod 777 /usr/lib/libi2c.so.0
sudo i2cdetect -y 1
cd /sys/bus/i2c/devices
ls
sudo echo 32 > /sys/class/gpio/export
-bash: /sys/class/gpio/export: Permission denied
sudo -s
sudo echo out > /sys/class/gpio/gpio32/direction
sudo echo 1 > /sys/class/gpio/gpio32/value
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