Update setup_wiringPi shell script

guowenxue

2019-07-30 c6dff0f738ecd7b1d8f7857dbf3b49fb23ee9b29

 tools/setup_wiringPi.sh

@@ -1,17 +1,30 @@
#!/bin/bash
# This shell script used to install wiringPi library

gpio -v > /dev/null 
if [ $? == 0 ] ; then
    echo "wiringPi library already installed, exit now..."
    exit;
fi
function install_wiringpi()
{
    gpio -v > /dev/null 
    if [ $? == 0 ] ; then
        echo "wiringPi library already installed, exit now..."
        return;
    fi

if [ ! -d wiringPi ] ; then
    git clone git://git.drogon.net/wiringPi 
fi
    if [ ! -d wiringPi ] ; then
        git clone git://git.drogon.net/wiringPi 
    fi

cd wiringPi 
git pull origin
./build
    cd wiringPi 
    git pull origin
    ./build
}

function install_systools()
{
    sudo apt-get install -y  libssl-dev openssl
}


install_systools

install_wiringpi