Class Assignment: Arduino-Processing Communication

Exercise 1:

Processing:

import processing.serial.*;
Serial myPort;
int xPos=0;
int yPos=0;
boolean onOff=false;
boolean onOff2=false;

void setup(){
  size(960,720);
  printArray(Serial.list());
  String portname=Serial.list()[0];
  println(portname);
  myPort = new Serial(this,portname,9600);
  myPort.clear();
  myPort.bufferUntil('\n');
}

void draw(){
  background(255);
  ellipse(xPos,yPos,30,30);
  if (mousePressed){
    if(mouseX<=width/2)
      onOff2=true;
    else
      onOff=true;
  }else{
    onOff=onOff2=false;
  }
}

void serialEvent(Serial myPort){
  String s=myPort.readStringUntil('\n');
  s=trim(s);
  if (s!=null){
    println(s);
    int values[]=int(split(s,','));
    if (values.length==2){
      xPos=(int)map(values[0],0,1023,0, width);
      yPos=height/2;
    }
  }
  myPort.write(int(onOff)+","+int(onOff2)+"\n");
}

Arduino:

int left = 0;
int right = 0;

void setup() {
  Serial.begin(9600);
  Serial.println("0,0");
  pinMode(3, OUTPUT);
  pinMode(5, OUTPUT);
}

void loop() {
  while (Serial.available()) {
    right = Serial.parseInt();
    left = Serial.parseInt();
    if (Serial.read() == '\n') {
      digitalWrite(3, right);
      digitalWrite(5, left);
      int sensor = analogRead(A0);
      delay(1);
      int sensor2 = analogRead(A1);
      delay(1);
      Serial.print(sensor);
      Serial.print(',');
      Serial.println(sensor2);
    }
  }
}

 

 

Exercise 2:

Processing:

import processing.serial.*;
Serial myPort;
int xPos = 0;
int yPos = 0;
int onOff = 0;
int onOff2 = 0;
int brightness = 0;

void setup() {
  size(960, 720);
  printArray(Serial.list());
  String portname = Serial.list()[0];
  println(portname);
  myPort = new Serial(this, portname, 9600);
  myPort.clear();
  myPort.bufferUntil('\n');
}

void draw() {
  background(255);
  brightness = int(map(mouseY, 0, height, 0, 255));
  ellipse(xPos, yPos, 30, 30);
  if (mousePressed) {
    if (mouseX <= width / 2) {
      onOff2 = brightness;
    } else {
      onOff = brightness;
    }
  } else {
    onOff = onOff2 = 0;
  }
}

void serialEvent(Serial myPort) {
  String s = myPort.readStringUntil('\n');
  s = trim(s);
  if (s != null) {
    println(s);
    int values[] = int(split(s, ','));
    if (values.length == 2) {
      xPos = (int)map(values[0], 0, 1023, 0, width);
      //yPos=(int)map(values[1],0,1023,0, height);
      yPos = mouseY;
    }
  }
  myPort.write(int(onOff) + "," + int(onOff2) + "\n");
}

Arduino:

int left = 0;
int right = 0;

void setup() {
  Serial.begin(9600);
  Serial.println("0,0");
  pinMode(3, OUTPUT);
  pinMode(5, OUTPUT);
}

void loop() {
  while (Serial.available()) {
    right = Serial.parseInt();
    left = Serial.parseInt();
    if (Serial.read() == '\n') {
      analogWrite(3, right);
      analogWrite(5, left);
      int sensor = analogRead(A0);
      delay(1);
      int sensor2 = analogRead(A1);
      delay(1);
      Serial.print(sensor);
      Serial.print(',');
      Serial.println(sensor2);
    }
  }
}

 

Exercise 3:

Processing:

import processing.serial.*;
Serial myPort;

PVector velocity;
PVector gravity;
PVector position;
PVector acceleration;
PVector wind;
float drag = 0.99;
float mass = 50;
float hDampening;
int[] values;

int onoff, onoff2;

void setup() {
  size(960, 720);
  printArray(Serial.list());

  noFill();
  position = new PVector(width/2, 0);
  velocity = new PVector(0, 0);
  acceleration = new PVector(0, 0);
  gravity = new PVector(0, 0.5*mass);
  wind = new PVector(0, 0);
  hDampening=map(mass, 15, 80, .98, .96);


  String portname=Serial.list()[0];
  println(portname);
  myPort = new Serial(this, portname, 9600);
  myPort.clear();
  myPort.bufferUntil('\n');
}

void draw() {
  background(255);
  applyForce(wind);
  applyForce(gravity);
  velocity.add(acceleration);
  velocity.mult(drag);
  position.add(velocity);
  acceleration.mult(0);
  ellipse(position.x, position.y, mass, mass);
  if (position.y > height-mass/2) {
    velocity.y *= -0.9;  // A little dampening when hitting the bottom
    position.y = height-mass/2;
  }

  if (velocity.y!=0) {
    onoff=1;
    onoff2=0;
  } else {
    onoff=0;
    onoff2=1;
  }
}

void applyForce(PVector force) {
  // Newton's 2nd law: F = M * A
  // or A = F / M
  PVector f = PVector.div(force, mass);
  acceleration.add(f);
}

void serialEvent(Serial myPort) {
  String s=myPort.readStringUntil('\n');
  s=trim(s);
  if (s!=null) {
    println(s);
    values=int(split(s, ','));
    if (values.length==3) {
      if (values[0]==1) {
        wind.x=-2;
      }
      if (values[1]==1) {
        wind.x=2;
      }
      if (values[2]==1) {
        mass=random(15, 80);
        position.y=-mass;
        velocity.mult(0);
      }
      if (values[0]==0 && values[1]==0) {
        wind.x=0;
        velocity.x*=hDampening;
      }
    }
  }
  myPort.write(onoff+ ","+onoff2+"\n");
}

Arduino:

int left = 0;
int right = 0;

void setup() {
  Serial.begin(9600);
  Serial.println("0,0,0");
  pinMode(3, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(A0, INPUT);
  pinMode(A1, INPUT);
  pinMode(A2, INPUT);
}

void loop() {
  while (Serial.available()) {
    right = Serial.parseInt();
    left = Serial.parseInt();
    if (Serial.read() == '\n') {
      digitalWrite(3, right);
      digitalWrite(5, left);
      int button = digitalRead(A0);
      delay(1);
      int button2 = digitalRead(A1);
      delay(1);
      int button3 = digitalRead(A2);
      delay(1);
      Serial.print(button);
      Serial.print(',');
      Serial.print(button2);
      Serial.print(',');
      Serial.println(button3);
    }
  }
}