/*
 * UIPEthernet UdpServer example.
 *
 * UIPEthernet is a TCP/IP stack that can be used with a enc28j60 based
 * Ethernet-shield.
 *
 * UIPEthernet uses the fine uIP stack by Adam Dunkels <adam@sics.se>
 *
 *      -----------------
 *
 * This UdpServer example sets up a udp-server at 192.168.0.6 on port 5000.
 * send packet via upd to test
 *
 * Copyright (C) 2013 by Norbert Truchsess (norbert.truchsess@t-online.de)
 */

int in1=A0,in2=A1,in3=A2,in4=A3,in5=A4,in6=A5,in7=6,in8=7;
#include <UIPEthernet.h>

EthernetUDP udp;

String data;
void setup() {

  pinMode(in1, OUTPUT);
  pinMode(in2, OUTPUT);
  pinMode(in3, OUTPUT);
  pinMode(in4, OUTPUT);
  pinMode(in5, OUTPUT);
  pinMode(in6, OUTPUT);
  pinMode(in7, OUTPUT);
  pinMode(in8, OUTPUT);

  Serial.begin(9600);

  uint8_t mac[6] = {0x00,0x01,0x02,0x03,0x04,0x05};

  Ethernet.begin(mac,IPAddress(192,168,1,27));

  int success = udp.begin(4210);

  Serial.print("initialize: ");
  Serial.println(success ? "success" : "failed");

}

void loop() {

  //check for new udp-packet:
  int size = udp.parsePacket();
  if (size > 0) {
    do
      {
        char* msg = (char*)malloc(size+1);
        int len = udp.read(msg,size+1);
        msg[len]=0;
        //Serial.print("received: '");

       // Serial.print(msg);
        data=msg;
        ligarLeds();
        //Serial.print(data);
      // free(msg);
      }
    while ((size = udp.available())>0);
    //finish reading this packet:
    udp.flush();
    Serial.println("'");
    int success;


    udp.stop();
    //restart with new connection to receive packets from other clients
    Serial.print("restart connection: ");
    Serial.println (udp.begin(5000) ? "success" : "failed");
    Serial.println();Serial.println();Serial.println();Serial.println();Serial.println();
  }
}

void ligarLeds()
{
  if(data.charAt(0)=='0'){digitalWrite(in1,0);Serial.println("Led in1 Desligado!");}else{digitalWrite(in1,1);Serial.println("Led in1 Ligado!");}
  if(data.charAt(1)=='0'){digitalWrite(in2,0);Serial.println("Led in2 Desligado!");}else{digitalWrite(in2,1);Serial.println("Led in2 Ligado!");}
  if(data.charAt(2)=='0'){digitalWrite(in3,0);Serial.println("Led in3 Desligado!");}else{digitalWrite(in3,1);Serial.println("Led in3 Ligado!");}
  if(data.charAt(3)=='0'){digitalWrite(in4,0);Serial.println("Led in4 Desligado!");}else{digitalWrite(in4,1);Serial.println("Led in4 Ligado!");}
  if(data.charAt(4)=='0'){digitalWrite(in5,0);Serial.println("Led in5 Desligado!");}else{digitalWrite(in5,1);Serial.println("Led in5 Ligado!");}
  if(data.charAt(5)=='0'){digitalWrite(in6,0);Serial.println("Led in6 Desligado!");}else{digitalWrite(in6,1);Serial.println("Led in6 Ligado!");}
  if(data.charAt(6)=='0'){digitalWrite(in7,0);Serial.println("Led in7 Desligado!");}else{digitalWrite(in7,1);Serial.println("Led in7 Ligado!");}
  if(data.charAt(7)=='0'){digitalWrite(in8,0);Serial.println("Led in8 Desligado!");}else{digitalWrite(in8,1);Serial.println("Led in8 Ligado!");}
}