Step1：Open root Permission and install Newest node.js(11.x)/fswebcam

sudo su
curl -sL https://deb.nodesource.com/setup_11.x -o nodesource_setup.sh
sudo bash nodesource_setup.sh
sudo apt-get install nodejs -y
sudo apt-get install build-essential -y
sudo apt-get install fswebcam -y
sudo apt-get upgrade -y

Step2：install config/node-gyp

npm install -g config
npm install -g node-gyp

Step3：install Newest npm(11.x) and serialport

sudo su
npm i -g npm-check-updates
npm-check-updates -u
npm install --unsafe-perm
npm install serialport --unsafe-perm
npm install config --unsafe-perm
npm install express --unsafe-perm
npm install node-webcam --unsafe-perm
npm install request-ip --unsafe-perm
npm install wifi-location --unsafe-perm

Step4：Go Website Folder to restart Step2 and Step3 again

cd Vikings_API

Step5：Start Vikings_API and hope you like

node Vikings_API.js

Precautions.1：If you want to close this mode.Just stop it by this：

sudo killall -9 node

Precautions.2：If got error " No 'Access-Control-Allow-Origin' header "：

Edit this file: ' /etc/apache2/apache2.conf ' and restart Apache2

<Directory />
        Options FollowSymLinks
        AllowOverride None
        Require all denied
        Header set Access-Control-Allow-Origin *
</Directory>

sudo /etc/init.d/apache2 restart

If restart False,start a2enmod headers

sudo a2enmod headers

API Input

1.JSON(Connect & Creat Data)(2018/12/2)

Coming Soon

2.Table(Connect & Creat Table html)(2018/12/2)

Coming Soon

3.Camera(Serial Port & Response image)(2018/12/2)

Parameter	Description
Port	/dev/video0,video1,video2...

4.Serialport(Connect Control panel & Get Response)(2018/12/2)

Command	Description
Port	/dev/tty0,tty1,ttyUSB0...
Baudrate	250000(MKS GEN)
GcodeUrl	G1 X25 F3000....(Gcode)

# System :
1.ASP(window server)
2.PHP(ubuntu)

# Example:
http://your.webUrl:3000/?API_type=Camera&System=PHP&Port=/dev/video1
http://your.webUrl:3000/?API_type=Serialport&System=PHP&Port=&GcodeUrl=M17&baudrate=250000

# if you want to open control panel:
http://your.webUrl:3000/?API_type=Serialport&System=PHP