// Example by Tom Igoe
import controlP5.*;//Display library
ControlP5 cp5tl;
Textlabel tl1,tl2;//for Display

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;
int elapsedTime;
int startTime;
int endTime;
int endFlag=0;
String [] V1=new String[1100];//1stArray declaration Buffer memory recived  600K data
String [] V2=new String[1100];//2nd Array declaration Buffer memory recived  600K data
String [] V3=new String[1100];//3rd Array declaration Buffer memory recived  600K data
int dummy;
float stx,sty,stx_1,sty_1;
 
void setup() {
  frameRate(2000);
 //===================Display setup===================
 size(1000,500);
 background(255);
 PFont font;
 font=createFont("Times New Roman",30);
 textFont(font);

 cp5tl=new ControlP5(this);
 tl1=cp5tl.addTextlabel("lable1");
tl1.setText(" Data Sampling ==>Push 'q ' save CSV&Stop");
tl1.setFont(font);
//=======================================================
 // ********************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()[0], 115200);
  myPort1.clear();
  myPort2 = new Serial(this, Serial.list()[1], 115200);
  myPort2.clear();
  myPort3 = new Serial(this, Serial.list()[2], 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) ;
  // 新しいファイルを生成
  output = createWriter( filename + ".csv");
  i=0;
  j=0;
 //-----------------------------------------------------------------------------------------------
}

void draw() {
  while (myPort1.available() > 0 && myPort2.available() > 0 && myPort3.available()>0) {
    
//--1ch---------------------------------------  
         myString1 = myPort1.readStringUntil(cr); 
         //delay(200);
         myString1 = trim(myString1);
    if (myString1 != null) {
      i++;
      i=i%1000;
      //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%1000;
     //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) {
      j++;
      j=j%1000;
     //print("S2[:",j,"]",myString2);
     V3[j]=myString3;
     println("V3[",j,"]",V3[j]);
     //timGraph(j,V2,3);
       } 
    }
   
    
}
 
 
void keyPressed(){
   int k;
   String matome;
  if( key == 'q' ){
     for(k=0;k<i/2;k++){
      matome=V1[k]+","+V2[k]+","+V3[k]+"\n\r";
      print(matome);
      output.print(matome);
    }
    output.flush(); 
    output.close(); 
    exit();               
  }    
  
}