Wireless: WiFi, Bluetooth

// Arduino #1
// This Arduino is the Access Point (AP) and creates a WiFi network

#include <ArduinoOSCWiFi.h>

// The name and password of the network
char ssid[] = "physicalcomputing";
char pass[] = "12345678";
int status = WL_IDLE_STATUS;

// The IP of THIS Arduino board
const IPAddress ip(192, 168, 4, 1);
const IPAddress gateway(192, 168, 4, 1);
const IPAddress subnet(255, 255, 0, 0);

// The IP of the OTHER Arduino board
const char* other_ip = "192.168.4.10";
// send and receive ports
const int send_port = 12345;
const int recv_port = 54321;
WiFiUDP Udp;

int light;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  // check for the WiFi module:
  if (WiFi.status() == WL_NO_MODULE) {
    Serial.println("Communication with WiFi module failed!");
    // don't continue
    while (true)
      ;
  }
  // print the network name (SSID);
  Serial.print("Creating access point named: ");
  Serial.println(ssid);
  WiFi.config(ip, gateway, subnet);
  status = WiFi.beginAP(ssid,pass);
  Udp.begin(send_port);
  printWifiStatus();
  OscWiFi.publish(other_ip, send_port, "/arduino/ap",light)->setFrameRate(60.f);
  OscWiFi.subscribe(recv_port, "/arduino/client", onOscReceived);
}

void loop() {
  OscWiFi.update();
  light = analogRead(A3);
}

void onOscReceived(const OscMessage& m) {
    Serial.print(m.remoteIP());
    Serial.print(" ");
    Serial.print(m.remotePort());
    Serial.print(" ");
    Serial.print(m.size());
    Serial.print(" ");
    Serial.print(m.address());
    Serial.print(" ");
    Serial.print(m.arg<int>(0));
    Serial.println();
}

void printWifiStatus() {
  // print the SSID of the network you're attached to:
  Serial.print("SSID: ");
  Serial.println(WiFi.SSID());

  // print your board's IP address:
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);
}

// Arduino #2
// This Arduino connects to the AP

#include <ArduinoOSCWiFi.h>

// The name and password of the network
char ssid[] = "physicalcomputing";
char pass[] = "12345678";

int status = WL_IDLE_STATUS;

// The IP of THIS Arduino board
const IPAddress ip(192, 168, 4, 10);
const IPAddress gateway(192, 168, 4, 1);
const IPAddress subnet(255, 255, 0, 0);

// The IP of the OTHER Arduino board
const char* other_ip = "192.168.4.1";
// send and receive ports
const int send_port = 54321;
const int recv_port = 12345;
WiFiUDP Udp;

int light;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  // check for the WiFi module:
  if (WiFi.status() == WL_NO_MODULE) {
    Serial.println("Communication with WiFi module failed!");
    // don't continue
    while (true)
      ;
  }
  // print the network name (SSID);
  Serial.print("Connecting to network: ");
  Serial.println(ssid);
  WiFi.config(ip, gateway, subnet);
  status = WiFi.begin(ssid,pass);
  while (status != WL_CONNECTED) {
        Serial.println("connecting...");
        delay(500);
        status = WiFi.begin(ssid,pass);
  }
  Udp.begin(send_port);
  printWifiStatus();
  OscWiFi.publish(other_ip, send_port, "/arduino/client",light)->setFrameRate(60.f);
  OscWiFi.subscribe(recv_port, "/arduino/ap", onOscReceived);
}

void loop() {
  OscWiFi.update();
  light = analogRead(A3);
}

void onOscReceived(const OscMessage& m) {
    Serial.print(m.remoteIP());
    Serial.print(" ");
    Serial.print(m.remotePort());
    Serial.print(" ");
    Serial.print(m.size());
    Serial.print(" ");
    Serial.print(m.address());
    Serial.print(" ");
    Serial.print(m.arg<int>(0));
    Serial.println();
}

void printWifiStatus() {
  Serial.println("Connected!");
  // print the SSID of the network you're attached to:
  Serial.print("SSID: ");
  Serial.println(WiFi.SSID());

  // print your board's IP address:
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);
}

import oscP5.*;
import netP5.*;

OscP5 oscP5;
NetAddress myRemoteLocation;
int direction = 0;
int prevDirection = -1;
String directionText = "";
int light;
float brightness;
int distance;
float distanceRect;

void setup() {
  size(400, 400);
  frameRate(60);
  /* start oscP5, listening for incoming messages at port 55556 */
  oscP5 = new OscP5(this, 4321);

  /* myRemoteLocation is a NetAddress. a NetAddress takes 2 parameters,
   * an ip address and a port number. myRemoteLocation is used as parameter in
   * oscP5.send() when sending osc packets to another computer, device,
   * application.
   */
  myRemoteLocation = new NetAddress("192.168.0.201", 1234);
}


void draw() {
  background(0);
  if (keyPressed) {
    if (key == CODED) {
      switch(keyCode) {
      case UP:
        direction = 1;
        directionText = "Forward";
        break;
      case DOWN:
        direction = 2;
        directionText = "Backward";
        break;
      case LEFT:
        direction = 3;
        directionText = "Left";
        break;
      case RIGHT:
        direction = 4;
        directionText = "Right";
        break;
      }
    }
  } else {
    direction = 0;
    directionText = "Stop";
  }
  if(direction!=prevDirection){
    OscMessage myMessage;
    myMessage = new OscMessage("/direction");
    myMessage.add(direction);
    oscP5.send(myMessage, myRemoteLocation);
  }
  prevDirection=direction;
  fill(255);
  textSize(20);
  text("Direction: " + directionText, 20, 90);
  fill(brightness);
  circle(width/2,height/2,50);
  fill(255);
  rect(width/4, height-50, distanceRect, 30);
  text("distance: " + distance, width/4, height-55);
  text("light: " + light, width/2,height/2);
}

/* incoming osc message are forwarded to the oscEvent method. */
void oscEvent(OscMessage theOscMessage) {
  /* print the address pattern and the typetag of the received OscMessage */
  //print("### received an osc message.");
  //print(" addrpattern: "+theOscMessage.addrPattern());
  //println(" typetag: "+theOscMessage.typetag());
  if(theOscMessage.checkAddrPattern("/sensor/light")){
    //println("got light");
    light = theOscMessage.get(0).intValue();
    //println("light: " + light);
    brightness = map(light,0,1023,0,255);
  }
  if(theOscMessage.checkAddrPattern("/sensor/rawdistance")){
    //println("got distance");
    distance = theOscMessage.get(0).intValue();
    //println("distance: " + distance);
    distanceRect = map(distance,0,4000,0,width/2);
  }
}