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\paperw11900\paperh16840\margl1440\margr1440\vieww10800\viewh8400\viewkind0
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\f0\fs24 \cf0 import processing.serial.*;\
 \
Serial myPort;\
int val;\
int [] x = new int[500];  //Graph data x:Time\
int [] y = new int[500];  //Graph data y:Voltage\
 \
void setup() \
\{\
  frameRate(50);     //Update every 20msec\
  size(600, 350);\
  myPort = new Serial(this, "/dev/tty.usbserial-FT98HM6Z", 9600);\
  textSize(20);\
 \
 //To initialize the graph data\
  for (int i = 0; i < x.length; i++)\{\
    x[i] = i;\
    y[i] = 128;\
  \}  \
\}\
 \
void draw()\
\{\
    background(0);\
 \
//To update the graph data\
    for (int i = 0; i < y.length - 1; i++)\{\
      y[i] = y[i+1];\
    \}\
    y[y.length - 1] = val;\
 \
 \
//To draw the graph area\
    fill(255);\
    text("0V",10,310);\
    text("5V",10,54);\
    text("0sec",530,340);\
    text("-10sec",30,340);\
    fill(0,255,0);\
    text(val/255.0*5,560,100);\
\
   \
//To plot the data\
    pushMatrix();\
    translate(50,300);\
    scale(1,-1);\
    fill(0);\
    stroke(255);\
    rect(0,0,500,256);\
    stroke(0,255,0);\
    for (int i = 0; i < x.length - 1; i++)\{\
      line(x[i],y[i],x[i+1],y[i+1]);\
    \}\
    popMatrix();\
\}\
 \
void serialEvent(Serial myPort)\{\
  delay(10);\
  val = myPort.read();\
\}}