/*
 RGBlamp 
 Get three byte from udp server to control
 Use TCP UDP RGB APP from play store to control lamp
 https://play.google.com/store/apps/details?id=nextprototypes.tcpudpRGB

 created 31 may 2015
 by Mirco Segatello

 This code is in the public domain.

 */

 /*
0 Verde
32 Giallo chiaro
64 Giallo scuro
96 Rosso
128 Fucsia
160 blu
192 azzurro
224 verde acqua
*/

#include "FastLED.h"
#include <ESP8266WiFi.h>
#include <WiFiUdp.h>

char ssid[] = "WiFi8";      //  your network SSID 
char pass[] = "mareblu123";       // your network password

char packetBuffer[255];
unsigned int localPort = 8080;
IPAddress serverIP(0, 0, 0, 0); // Broadcast communication

WiFiUDP udp; // A UDP instance to send and receive packets over UDP

//uncomment this line if using Debug message
#define DEBUG


// Number of leds in the strip
#define NUM_LEDS 30

// Data pin that led data will be written out over
#define DATA_PIN 6

// This is an array of leds.  One item for each led in your strip.
CRGB leds[NUM_LEDS];
CHSV Color;

// Set initial color
int R, G, B;
// Set  color for Huge function
int R_H, G_H, B_H;

//on powerUP RED light for search WiFi
//if connect OK and IP assigned OK then Green light for 2 second

void setup()
{
  Serial.println();
  Serial.begin(9600);

  FastLED.addLeds<WS2811, DATA_PIN, RGB>(leds, NUM_LEDS);

  // We start by connecting to a WiFi network
  Serial.print("Connecting to ");
  Serial.println(ssid);
  WiFi.begin(ssid, pass);
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  
  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());
  
  delay(2000);
 
}

void loop()
{
  int packetSize = udp.parsePacket();
  if (packetSize) 
  {
    int len = udp.read(packetBuffer, 255);
    if (len > 0) packetBuffer[len] = 0;{

    int R = packetBuffer[0];
    int G = packetBuffer[1];
    int B = packetBuffer[2];

    R_H = R;
    G_H = G;
    B_H = B;
    
    #ifdef DEBUG
         Serial.println(packetBuffer);
         Serial.print(R);
         Serial.print(" ");
         Serial.print(G);
         Serial.print(" ");
         Serial.println(B); 
    #endif         
     
  FixLightRGB(G,R,B);
    #ifdef DEBUG
         Serial.println("sei ddentro Else");
         
    #endif 
  
   delay(100);

}

}

  #ifdef DEBUG
         Serial.println(packetBuffer);
         Serial.print(R_H);
         Serial.print(" ");
         Serial.print(G_H);
         Serial.print(" ");
         Serial.println(B_H); 
    #endif  

if((R_H == 255) && (G_H == 113) && (B_H == 71)){
    
   HugeSpan( 70, 86, 120);

 #ifdef DEBUG
         Serial.println("sei ddentro if HugeSpan");
         
    #endif 
    
   }

}


void HugeSpan( int LedSpeed, int InitialHuge, int FinalHuge){

  
  for(int m = InitialHuge; m < FinalHuge; m = m + 1) {

      for(int whiteLed = 0; whiteLed < NUM_LEDS; whiteLed = whiteLed + 1) {
      // Turn all leds on to Color, then show the leds
      leds[whiteLed] = CHSV(m, 255,255);
         }

   FastLED.show();
    delay (LedSpeed);
      
  
         }

for(int m = FinalHuge; m > InitialHuge; m = m - 1) {

      for(int whiteLed = 0; whiteLed < NUM_LEDS; whiteLed = whiteLed + 1) {
      // Turn all leds on to Color, then show the leds
      leds[whiteLed] = CHSV(m, 255,255);
         }

   FastLED.show();
    delay (LedSpeed);
        
       } 
 } 


  void FixLightRGB(int red, int green, int blue){

  for(int i = 0; i < NUM_LEDS; i = i + 1) {
      // Turn all leds on to Color, then show the leds
        leds[i] = CRGB(red,green,blue);
             }
  FastLED.show();
}