ESP8266 Art-Net DMX to WS2812

1#define FASTLED_ALLOW_INTERRUPTS 0
2#include <FastLED.h>
3#include  <ESP8266WiFi.h>
4#include <WiFiUdp.h>
5
6//wifi connection
7#define MY_SSID  "Network"
8#define MY_PASS "password"
9#define LISTEN_PORT 6454
10WiFiUDP  Udp;
11
12//local LEDs
13#define NUM_LEDS 8
14#define LED_PIN D3
15CRGB leds[NUM_LEDS];
16
17//process  incoming UDP message
18void RecieveUdp()
19{
20  byte packet[18 + (NUM_LEDS *  3)];
21
22  //test if a packet has been recieved
23  if (Udp.parsePacket() >  0)
24  {
25    //read-in packet and get length
26    int len = Udp.read(packet,  18 + (NUM_LEDS * 3));
27
28    //discard unread bytes
29    Udp.flush();
30
31    //test for empty packet
32    if(len < 1)
33      return;
34
35    //test  for Art-Net DMX packet
36	  //(packet[14] & packet[15] are the low and high bytes  for universe)
37    if(packet[9] == 0x50)
38    {
39      int dmx = 18;
40      
41      //copy dmx data to leds
42      for(int n = 0; n < NUM_LEDS; n++)
43        leds[n]  = CRGB(packet[dmx++], packet[dmx++], packet[dmx++]);
44
45      //push led data
46      FastLED.show(); 
47    }
48  }
49}
50
51void setup()
52{
53  //cennect  to WiFi network
54  WiFi.begin(MY_SSID, MY_PASS);
55  Udp.beginPacketMulticast(LISTEN_PORT);
56
57  //start LED port
58  FastLED.addLeds<WS2812, LED_PIN, GRB>(leds, NUM_LEDS);
59
60  //start serial port
61  //Serial.begin(9600);
62}
63
64void loop()
65{
66  //get Art-Net
67  RecieveUdp();
68
69  //wait a spell
70  delay(1);
71}
72

1#define FASTLED_ALLOW_INTERRUPTS 0
2#include <FastLED.h>
3#include
4  <ESP8266WiFi.h>
5#include <WiFiUdp.h>
6
7//wifi connection
8#define MY_SSID
9  "Network"
10#define MY_PASS "password"
11#define LISTEN_PORT 6454
12WiFiUDP
13  Udp;
14
15//local LEDs
16#define NUM_LEDS 8
17#define LED_PIN D3
18CRGB leds[NUM_LEDS];
19
20//process
21  incoming UDP message
22void RecieveUdp()
23{
24  byte packet[18 + (NUM_LEDS *
25  3)];
26
27  //test if a packet has been recieved
28  if (Udp.parsePacket() >
29  0)
30  {
31    //read-in packet and get length
32    int len = Udp.read(packet,
33  18 + (NUM_LEDS * 3));
34
35    //discard unread bytes
36    Udp.flush();
37
38
39    //test for empty packet
40    if(len < 1)
41      return;
42
43    //test
44  for Art-Net DMX packet
45	  //(packet[14] & packet[15] are the low and high bytes
46  for universe)
47    if(packet[9] == 0x50)
48    {
49      int dmx = 18;
50      
51
52      //copy dmx data to leds
53      for(int n = 0; n < NUM_LEDS; n++)
54        leds[n]
55  = CRGB(packet[dmx++], packet[dmx++], packet[dmx++]);
56
57      //push led data
58
59      FastLED.show(); 
60    }
61  }
62}
63
64void setup()
65{
66  //cennect
67  to WiFi network
68  WiFi.begin(MY_SSID, MY_PASS);
69  Udp.beginPacketMulticast(LISTEN_PORT);
70
71
72  //start LED port
73  FastLED.addLeds<WS2812, LED_PIN, GRB>(leds, NUM_LEDS);
74
75
76  //start serial port
77  //Serial.begin(9600);
78}
79
80void loop()
81{
82
83  //get Art-Net
84  RecieveUdp();
85
86  //wait a spell
87  delay(1);
88}
89