#!/bin/bash
# This shell script used to install wiringPi library

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

    if [ ! -d WiringPi ] ; then
        if [ -f WiringPi.tar.bz2 ] ; then
            echo "## decompress WiringPi libarary packet ##"
            tar -xjf WiringPi.tar.bz2
        else 
            echo "## git clone WiringPi libarary source code ##"
            git clone https://github.com/WiringPi/WiringPi.git
        fi
    fi

    cd WiringPi
    git pull origin
    ./build
}

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


#install_systools

install_wiringpi