vcgencmd

#!/bin/bash
# 安装vcgencmd

# 编译64位系统
function install_aarch64(){
	git clone https://github.com/raspberrypi/userland.git 
  	cd userland
	sudo apt-get install cmake build-essential
  	./buildme --aarch64
  	echo "/opt/vc/lib" >> /etc/ld.so.conf
	echo "export PATH=\"/opc/vc/bin/:\$PATH\"" >> /etc/profile
  	ldconfig
}

# 已经编译好的64位
function install_aarch64d(){
	cd /opt
  	svn checkout https://github.com/Crazydear/Raspberry-4B/trunk/SoftWare/vc
  	echo "/opt/vc/lib" >> /etc/ld.so.conf
	echo "export PATH=\"/opc/vc/bin/:\$PATH\"" >> /etc/profile
  	ldconfig
}

# 已经编译好的32位
function install_32(){
	cd /opt
  	svn checkout https://github.com/raspberrypi/firmware/trunk/opt/vc
  	echo "/opt/vc/lib" >> /etc/ld.so.conf
	echo "export PATH=\"/opc/vc/bin/:\$PATH\"" >> /etc/profile
  	ldconfig
}

# 根据自己的需要选择相应的64位安装方式
version=$(arch)
if [[ $version == "aarch64" ]]; then
  echo `arch` 
  install_aarch64
  #install_aarch64d
  exit
fi

# 32位系统
if [ ! -d "/opt/vc" ]; then
  install_32
  echo "install vcgencmd comleted!"
else
  echo "vcgencmd 已经安装"  
fi