This is the first Arduino script we used to run the cocktail maker prototype via wifi using an Arduino Yun.

drink_proto1.ino

#include <Bridge.h>
#include <YunServer.h>
#include <YunClient.h>

YunServer server;

void setup() {
  Serial.begin(9600);
  pinMode(13,OUTPUT);
  Bridge.begin();
  
  server.listenOnLocalhost();
  server.begin();
}

void loop() {
  YunClient client = server.accept();

  if (client) {
    process(client);
    client.stop();
  }

  delay(50); 
}
  
void process(YunClient client) {
  String command = client.readStringUntil('/');

  if (command == "drink") {
    drinkCommand(client);
  }  
}

void drinkCommand(YunClient client) {
  int pin, seconds;
  pin = client.parseInt();
  Serial.print("Pin:");
  Serial.println(pin);

  if (client.read() == '/') {
    seconds = client.parseInt();
    Serial.print("Seconds:");
    Serial.println(seconds);
  
    digitalWrite(pin, HIGH);
    delay(seconds * 1000);
    digitalWrite(pin, LOW);    
  }

  client.println("Enjoy your drink!");
}