Led_Ws2812_esp_WIFI_IPFIJA.ino

/*
 * LED PIXEL - WS2812B - MATRIX 
 *          Argentina - 2017
 * Mastricola - Romero Ayala - Villanueva
 * FI UNER  - TEEMBU - LABLUCES 
 * Ver- 0.02
 * IP FIJA
 */
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h>
#endif
#define PIN            5  //pin de salida D1
#define NUMPIXELS      1620  //numero de pixeles a controlar

Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);


const char* ssid     = "Prueba";  //nombre del wifi
const char* password = "prueba123"; //clave router
IPAddress ip(192,168,0,120);
IPAddress gateway(192,168,0,1);
IPAddress subnet(255,255,255,0);
unsigned int localPort = 65506;      // local port to listen for UDP packets
const int PACKET_SIZE = 1357;
byte packetBuffer[PACKET_SIZE]; //buffer to hold incoming and outgoing packets
// A UDP instance to let us send and receive packets over UDP
WiFiUDP udp;

typedef struct {
  byte r;
  byte g;
  byte b;
} colorpin;

colorpin led;
int led_index=0;

void WiFiEvent(WiFiEvent_t event)
{
    switch(event)
    {
        case WIFI_EVENT_STAMODE_GOT_IP:
            pixels.begin();
            break;
        case WIFI_EVENT_STAMODE_DISCONNECTED:
             break;
    }
}

void setup()
{
  //  Serial.begin(115200);
    WiFi.disconnect(true);
    delay(1000);
    WiFi.onEvent(WiFiEvent);
    WiFi.config(ip,gateway,subnet);
    WiFi.begin(ssid, password);
  
  while (WiFi.status() != WL_CONNECTED)
  {
    delay(500);
  //  Serial.print("x");
  }

 // Serial.println("");
 // Serial.println("WiFi connected");
 // Serial.println("IP address: ");
  Serial.println(WiFi.localIP());

 // Serial.println("Starting UDP");
  udp.begin(localPort);
 // Serial.print("Local port: ");
 // Serial.println(udp.localPort());
}

void loop()
{
  int cb = udp.parsePacket();
  if (!cb)
  {
    //    Serial.setDebugOutput(true);
  }
  else
  {
    // We've received a packet, read the data from it
   udp.read(packetBuffer, PACKET_SIZE); // read the packet into the buffer
   if (cb >= 6 && packetBuffer[0] == 0x9C)
   { // header identifier (packet start)
      byte blocktype = packetBuffer[1]; // block type (0xDA)
      unsigned int framelength = ((unsigned int)packetBuffer[2] << 8) | (unsigned int)packetBuffer[3]; // frame length (0x0069) = 105 leds
//    Serial.print("Frame.");
//    Serial.println(framelength); // chan/block
      byte packagenum = packetBuffer[4];   // packet number 0-255 0x00 = no frame split (0x01)
      byte numpackages = packetBuffer[5];   // total packets 1-255 (0x01)
      
                 
      if (blocktype == 0xDA) 
      { 
        // data frame ...
        //        Serial.println("command");

      int packetindex;
      
        if (cb >= framelength + 7 && packetBuffer[6 + framelength] == 0x36) 
        { 
          // header end (packet stop)
           //Serial.println("s:");
            int i = 0;
            packetindex = 6; 
            if(packagenum == 1)
            {
              led_index =0;
            }
            while(packetindex < (framelength + 6)) 
            {
                  led.r=((int)packetBuffer[packetindex]);
                  led.g=((int)packetBuffer[packetindex+1]);
                  led.b=((int)packetBuffer[packetindex+2]);
                  pixels.setPixelColor(led_index, led.r, led.g, led.b);
                  led_index++;         
                  Serial.println(led_index);  
                
                packetindex +=3;
          }
          }
           //  Serial.print(packagenum);
          //  Serial.print("/");
          //  Serial.println(numpackages);
            
         }
            
      if((packagenum == numpackages) && (led_index== NUMPIXELS))
      {
              pixels.show();
              led_index==0;
      }  
     
    }
  
  }

}