Arduino与Processing之间的通讯

const int InPin=A0;
int senseValue=0;
void setup() {
 Serial.begin(9600);
}
void loop() {
  senseValue=analogRead(InPin);
  //Serial.write(senseValue);
  Serial.println(senseValue);
}

import processing.serial.*;
float data;
Serial DUANKOU; 
void setup(){
  size(500,500);
  String arduinoDuankou=Serial.list()[0];//COM3 port
  DUANKOU=new Serial(this,arduinoDuankou,9600);
  //DUANKOU=new Serial(this,'COM3',9600)
}
void draw(){
  if(DUANKOU.available()>0){
  String inString=DUANKOU.readStringUntil('\n');
  inString=inString.trim();
  int number=int(inString);
  println(number);
  }
}