import processing.serial.*;
Serial myPort;

// processing global variables
PFont myFont;
int xPos=0;
boolean newData=false;
boolean newLine=false;
int pressure;
int pressureBase = 74500;

void setup()
{
  size(1440, 1000); // устанавливаем размер окна
  background(0); // устанавливаем размер окна
  colorMode(RGB, 255, 255, 255, 255);
  frameRate(30);
  myPort = new Serial(this, Serial.list()[0], 9600); // !!! Здесь прописать свой COM-порт !!!
  noSmooth();
  myFont = createFont("Tahoma", 5);          // Arial, 16 point, anti-aliasing on
  textAlign(LEFT, TOP);
  textFont(myFont, 12);
  noStroke();
}

void draw() {
  if (newData) {
    if (!newLine) {
      fill(0x1000ffff);
      rect(xPos, pressure, 1, 1);
      //rect(10,10,100,100);
    }
    if (newLine) {
      fill(0xffffff90);
      rect(xPos, pressure, 1, 1);
      if (xPos<1440) xPos++;
      else xPos=0;
      //point(xPos, pressure);
    }
    newData=false;
  }
}


/* get values from serial port */
String inString; //stor inbound serial string for parsing
String inData; // store what's going after command char


void serialEvent (Serial myPort) {
  inString = myPort.readStringUntil('\n');  // read the serial port until a new line
  if (inString != null) {  // if theres data in between the new lines
    inData = trim(inString); // get rid of any whitespace just in case
    int inDataSplit[] = int(split(inData, ','));
    if (inDataSplit[0]<60) {
      newLine=false;
    }
    if (inDataSplit[0]==60) {
      newLine=true;
    }
    pressure=inDataSplit[1]-pressureBase;
    print(inDataSplit[0]);
    print(", x:");
    print(xPos);
    print(", p:");
    println(inDataSplit[1]);
    newData=true;
  }
}