Java Code

package core.communication.usb;

import java.util.Scanner;

import com.fazecast.jSerialComm.SerialPort;
import core.Main;

public class Arduino extends Thread {


    SerialPort port;
    FaderController faderController;
    Main master;

    public Arduino(SerialPort pPort, Main main){
        this.master = main;
        this.faderController = new FaderController(1, 1, this.master);
        this.port = pPort;
        if(this.port.openPort()) {
            System.out.println("Successfully opened the port.");
            master.arduinoConnected = true;
        } else {
            System.out.println("Unable to open the port.");
            master.arduinoConnected = false;
            return;
        }
        this.port.setComPortTimeouts(SerialPort.TIMEOUT_READ_SEMI_BLOCKING, 0, 0);
    }

    @Override
    public void run() {
        super.run();
        Scanner data = new Scanner(this.port.getInputStream());
        while(data.hasNextLine()) {
            String msg = data.nextLine();
            String[] args = msg.split(";");
            System.out.println(msg);
//            if (args[0] == "1"){
                switch (Integer.parseInt(args[1])){
                    case 1:
                        this.faderController.setFaderValue(Integer.parseInt(args[2]), this.master.activePage, Integer.parseInt(args[3]));
                        break;
                    case 2:
                        //TODO: Button Controller
                        break;
                    default:
                        System.out.println(args[1]); //Just for debugging
                }
//            } else{
//              System.out.println("\"" + String.valueOf(args[0]) + "\" ist != \"1\"");
//            }
        }
    }

    public class FaderController {

        public Fader[] faders;
        Main main;

        FaderController(int pages, int faderPerPage, Main pMain){
            this.main = pMain;
            this.faders = new Fader[faderPerPage];
            for (int i = 0; i<this.faders.length;i++){
                this.faders[i] = new Fader(pages);
            }
        }

        public void setFaderValue(int faderID, int page, int value){
            faders[faderID].valuePages[page] = value;
            System.out.println("Set value of Fader Nr " + (faderID + 1) + " on page " + (page + 1) + " to " + value);
            if (!this.main.changingFaderPages){
                if (this.main.faderMode) {
                    this.main.oscSender.setFaderIntensity(faderID + 1, page + 1, Double.valueOf(value)/100);
                } else {
                    this.main.oscSender.setChannelIntensity(page*this.main.faderAmountPerPage + faderID + 1,value);
                }
            }
        }

        public class Fader{
            public int[] valuePages;

            Fader(int pages){
                valuePages = new int[pages];
            }
        }
    }
}