artnet 6 universe v.6

#include <stdlib.h>
#include <Ethernet.h>
#include <EthernetUdp.h>
#include <SPI.h>
#include <FastLED.h>

#define bytes_to_short(h,l) ( ((h << 8) & 0xff00) | (l & 0x00FF) );



byte mac[] = { 0x90, 0xA2, 0xDA, 0x0D, 0x4C, 0x8C} ; //the mac adress in HEX of ethernet module/shield
byte ip[] = { 192, 168, 1, 10}; // the IP adress of your device, that should be in same universe of the network you are using
unsigned int localPort = 6454;      // DO NOT CHANGE artnet UDP port is by default 6454


//---------------artnet and buffers------------//
const int first_universe_number = 0;//CHANGE FOR YOUR SETUP most software this is 1, some software send out artnet first universe as zero.
const int universeSize = 171;//CHANGE FOR YOUR SETUP
const int number_of_channels= universeSize*3;//will be 3*universeSize// dont change//
byte channel_buffer0[number_of_channels];//buffer to store filetered DMX data//SHOULD BE SAME AS number_of_channels
byte channel_buffer1[number_of_channels];//buffer to store filetered DMX data//SHOULD BE SAME AS number_of_channels
//byte channel_buffer2[number_of_channels];//buffer to store filetered DMX data//SHOULD BE SAME AS number_of_channels
//byte channel_buffer3[number_of_channels];//buffer to store filetered DMX data//SHOULD BE SAME AS number_of_channels
//byte channel_buffer4[number_of_channels];//buffer to store filetered DMX data//SHOULD BE SAME AS number_of_channels
//byte channel_buffer5[number_of_channels];//buffer to store filetered DMX data//SHOULD BE SAME AS number_of_channels
byte buff2[2000];// increase buffer for filtered data to cover size of your total array(removed art-net header)
const int MAX_BUFFER_UDP = 768;//leave as is
char packetBuffer[MAX_BUFFER_UDP]; //buffer to store incoming data
short incoming_universe=0; //leave as is (if suspect uni number issues, try changing first_uni number above first.
const int start_address=0; // 0 if you want to read from channel 1
const int art_net_header_size = 17;

EthernetUDP Udp;




// Make 'leds' an alias for 'channel_buffer'
CRGB* leds0((CRGB*)(channel_buffer0 - start_address));
CRGB* leds1((CRGB*)(channel_buffer1 - start_address));
CRGB* leds2((CRGB*)(channel_buffer2 - start_address));
CRGB* leds3((CRGB*)(channel_buffer3 - start_address));
CRGB* leds4((CRGB*)(channel_buffer4 - start_address));
CRGB* leds5((CRGB*)(channel_buffer5 - start_address));
// Make NUM_LEDS an alias for 'universeSize'
#define NUM_LEDS universeSize


void setup() {
Serial.begin(115200);
//setup ethernet and udp socket
Ethernet.begin(mac,ip);
Udp.begin(localPort);
delay(250);
Serial.println("end of setup");
Serial.println("waiting for incoming Artnet to start");
//if nothing appears after this, then the loop is not receiving your
//artnet package
FastLED.addLeds<LPD8806, 4, 3, RGB>(leds0, NUM_LEDS);
FastLED.addLeds<LPD8806, 5, 3, RGB>(leds1, NUM_LEDS);
FastLED.addLeds<LPD8806, 6, 3, RGB>(leds2, NUM_LEDS);
FastLED.addLeds<LPD8806, 7, 3, RGB>(leds3, NUM_LEDS);
FastLED.addLeds<LPD8806, 8, 3, RGB>(leds4, NUM_LEDS);
FastLED.addLeds<LPD8806, 9, 3, RGB>(leds5, NUM_LEDS);
}

void loop() {
int packetSize = Udp.parsePacket();
//if(packetSize)
//{ Serial.print("Received packet of size ");//all print can be removed if not debugging
// Serial.println(packetSize);

Udp.read(packetBuffer,MAX_BUFFER_UDP);
//can comment out serial print if not debugging
//Serial.print(packetBuffer);// all print can be removed if not debugging
//Serial.print("  ");

//-------read incoming universe and sequence number and check for data series-------------//
incoming_universe=bytes_to_short(packetBuffer[15],packetBuffer[14])

//-----this section can be commented out if not debugging
//Serial.print("universe number = ");
//Serial.print(incoming_universe);
//byte sequence = packetBuffer[12];
//Serial.print("  ");
//Serial.print("sequence n0. = ");
//Serial.println(sequence);
//finshing printing to serial to check packets

//read incoming universe and put into relevent buffer

if (incoming_universe == 0)
   {
     for(int i=start_address;i< number_of_channels;i++) {
      channel_buffer0[i-start_address]= byte(packetBuffer[i+art_net_header_size+1]);
     }
   }
   else if (incoming_universe == 1)
   {
     for(int i=start_address;i< number_of_channels;i++) {
      channel_buffer1[i-start_address]= byte(packetBuffer[i+art_net_header_size+1]);
     }
   }
   else if (incoming_universe == 2)
   {
     for(int i=start_address;i< number_of_channels;i++) {
      channel_buffer2[i-start_address]= byte(packetBuffer[i+art_net_header_size+1]);
     }
   }
   else if (incoming_universe == 3)
   {
     for(int i=start_address;i< number_of_channels;i++) {
      channel_buffer3[i-start_address]= byte(packetBuffer[i+art_net_header_size+1]);
     }
   }
   else if (incoming_universe == 4)
   {
     for(int i=start_address;i< number_of_channels;i++) {
      channel_buffer4[i-start_address]= byte(packetBuffer[i+art_net_header_size+1]);
     }
   }
   else if (incoming_universe == 5)
   {
     for(int i=start_address;i< number_of_channels;i++) {
      channel_buffer5[i-start_address]= byte(packetBuffer[i+art_net_header_size+1]);
     }
}




FastLED.show();
//Serial.print("Red");
//Serial.print("  ");
//Serial.print(channel_buffer[0-start_address]);
//Serial.print("  ");
//Serial.print("  ");
//Serial.print("Green");
//Serial.print("  ");
//Serial.print(channel_buffer[1-start_address]);
//Serial.print("  ");
//Serial.print("  ");
//Serial.print("Blue");
//Serial.print("  ");
//Serial.print(channel_buffer[2-start_address]);
//Serial.print("  ");
}