// Example by Tom Igoe
import controlP5.*;//Display library
ControlP5 cp5;
ControlP5 Toggle;
 
boolean toggleValue;
String textValue = "";

import processing.serial.*;//USB Serial library
PrintWriter output;//Filing library
int lf = 10;    // Linefeed in ASCII
int cr=13;   //Carriage Return in ASCII
String myString1 = null;//1st Recieved data as string 
String myString2 = null;//2nd Recieved data as string
String myString3 = null;//3rd Recieved data as string 
String [] splt_arry1=new String[100];
String [] splt_arry2=new String[100];
String [] splt_arry3=new String[100];
Serial myPort1;  // 1st serial port 
Serial myPort2; //2nd serial port
Serial myPort3; //2nd serial port
int i,j,m,n;
int elapsedTime;
int startTime;
int endTime;
int startFlag=0;
int endFlag=0;
int stanbyFlag=0;
String [] V1=new String[600000];//1stArray declaration Buffer memory recived  600K data
String [] V2=new String[600000];//2nd Array declaration Buffer memory recived  600K data
String [] V3=new String[600000];//3rd Array declaration Buffer memory recived  600K data
int dummy;
float stx,sty,stx_1,sty_1;
 
void setup() {
  frameRate(2000);
 //===================Display setup===================
 size(300,300);
  PFont font;
  font=createFont("CharterBT-Bold",30);
  textFont(font);
 cp5=new ControlP5(this);
 ControlFont cf1 = new ControlFont(createFont("CharterBT-Bold",40));
 ControlFont cf2 = new ControlFont(createFont("CharterBT-Bold",30));
 Toggle = new ControlP5(this);
  rectMode(CENTER);
 Toggle.addToggle("toggleValue")
    //.setLabel("ON")
    .setSize(200, 100)
    .setPosition(10, 100)
    .setValue(false)
    .setColorCaptionLabel(color(10)); // 
    //.setMode(ControlP5.SWITCH);

//=======================================================
 // ********************Serial setup=**********************
 //List all the available serial ports
  printArray(Serial.list());
  // Open the port you are using at the rate you want:
  myPort1 = new Serial(this, Serial.list()[2], 115200);
  myPort1.clear();
  myPort2 = new Serial(this, Serial.list()[3], 115200);
  myPort2.clear();
  myPort3 = new Serial(this, Serial.list()[4], 115200);
  myPort3.clear();
  // Throw out the first reading, in case we started reading 
  // in the middle of a string from the sender.
  myString1 = myPort1.readStringUntil(lf);
  myString1 = null;
  myString2 = myPort2.readStringUntil(lf);
  myString2 = null;
  myString3 = myPort3.readStringUntil(lf);
  myString3 = null;
//**********************************************************
//------------------Save FIle setup--------------------------------------------------------------
  String filename = nf(year(),4) + nf(month(),2) + nf(day(),2) + nf(hour(),2) + nf(minute(),2) ;
  output = createWriter( filename + ".csv");
  i=0;
  j=0;
  
  stanbyFlag=1;
 //-----------------------------------------------------------------------------------------------
}

void draw() {
  // background(0);
     
  if (toggleValue==true && stanbyFlag==1) {
       //text("Logging",10,90);
       startFlag=1;
       stanbyFlag=0;
       endFlag=0;
  //------------------Save FIle setup--------------------------------------------------------------
  String filename = nf(year(),4) + nf(month(),2) + nf(day(),2) + nf(hour(),2) + nf(minute(),2) ;
  output = createWriter( filename + ".csv");
        
  } 
  if (toggleValue==false ) {
      startFlag=0;
      endFlag=1;
      if (stanbyFlag==1){
          text("Stanby",10,90);
      }
      if (stanbyFlag==0){// CSV saving
         text("Stanby",10,90);
             if (elapsedTime>0){
                   text("CSV save",10,90);
                   CSV_save();
             }
       
       
      }

   } 

  while (myPort1.available() > 0 && myPort2.available() > 0 && myPort3.available()>0 && startFlag==1) {
        text("Logging",10,90);
//--1ch---------------------------------------  
         myString1 = myPort1.readStringUntil(cr); 
         //delay(200);
         myString1 = trim(myString1);
    if (myString1 != null) {
        i++;
        i=i%600000;
        //print("S1:[",i,"]",myString1);    
         V1[i]=myString1;
         //print("V1[",i,"]",V1[i]);
       // timGraph(i,V1,2);
       }
       
//---2ch-------------------------------------------       
      myString2 = myPort2.readStringUntil(lf);
      //delay(200);
       myString2 = trim(myString2);
      if (myString2 != null) {
          j++;
          j=j%600000;
         //print("S2[:",j,"]",myString2);
         V2[j]=myString2;
          //println("V2[",j,"]",V2[j]);
         //timGraph(j,V2,3);
       } 
//---3ch-------------------------------------------       
      myString3 = myPort3.readStringUntil(lf);
      //delay(200);
       myString3 = trim(myString3);
      if (myString3 != null) {
          m++;
          m=m%600000;
         //print("S3[:",k,"]",myString3);
         V3[m]=myString3;
          //println("V3[",m,"]",V3[m]);
         //timGraph(m,V2,3);
       } 
    }
    fill(0);
    if (n<1){
      startTime=millis();
    }
    if (n%500==0){
     background(255);
     elapsedTime=(millis()-startTime)/60000;
    text(elapsedTime,60,60);
    text("min",100,60);
     text("LoggingTime",10,30);
     //text("Stop:Input Key 'q'",10,90);
    }
    n++;
}
 
 
//void keyPressed(){
  void CSV_save(){
    text("CSV save",10,90);
   int k;
   String matome;
  if( endFlag == 1 && startFlag==0 ){
     for(k=0;k<i;k++){
      matome=k+","+V1[k]+","+V2[k]+","+V3[k]+"\n\r";
      print(matome);
      output.print(matome);
    }
    output.flush(); 
    output.close(); 
    stanbyFlag=1;
    text("Stanbay",10,90);
    i=0;
    j=0;
    m=0;
    n=0;
    //exit();               
  }    
  
}