#include <SPI.h> // needed for Arduino versions later than 0018
#include <Ethernet.h>
#include <EthernetUdp.h>
#include <FastLED.h>
// enter desired universe and subnet (sACN first universe is 1)
#define DMX_SUBNET 0
#define DMX_UNIVERSE 1
#define SACN_PORT 5568
#define SACN_BUFFER_MAX 640
//the initial ip and MAC address will get changed by beginMulti
//the multicast ip address should correspond to the desired universe/subnet
byte mac[] = {0x90, 0xA2, 0A, 0x0F, 0x2A, 0xBC}; //MAC address of ethernet shield
IPAddress ip(192, 168, 1, 120); //IP address of ethernet shield
IPAddress mip(239, 255, 0, 1); //default multicast IP for E1.31
// buffers for receiving and sending data
unsigned char packetBuffer[SACN_BUFFER_MAX]; //buffer to hold incoming packet,
// An EthernetUDP instance to let us send and receive packets over UDP
EthernetUDP Udp;
// How many strobes in the string?
#define STROBES 20
// How many milliseconds do you want the strobes to be on for?
#define SPEED 30 // I personally wouldn't use any value less than 10 or more than 100
// How many strobes on at any one time?
#define TOTAL 7
// How old are you?
#define AGE 23 // Changes strobe pattern just in case you want a different pattern for whatever reason so feel free to lie about your age
// Data pin (Blue wire from strobes)
#define DATA_PIN 6 // !!!!!DO NOT USE PINS 0 or 1!!!!!
CRGB leds[STROBES];
int strobe;
int trigger;
int data[TOTAL];
//setup initializes Ethernet, opens the UDP port and initializes pixels
void setup()
{
Ethernet.begin(mac,ip);
Udp.begin(SACN_PORT);
Serial.begin(9600);
FastLED.addLeds<UCS1903, DATA_PIN, RGB>(leds, STROBES);
randomSeed(AGE);
} //end setup
void sacnDMXReceived(unsigned char* pbuff, int count)
{
if ( pbuff[113] == DMX_SUBNET )
{
if ( pbuff[114] == DMX_UNIVERSE )
{
int addressOffset = 125; //first 125 bytes of packet are header information
if ( pbuff[addressOffset] == 0 ) //start code must be 0
{
//place code here to use E1.31 channel values pbuff[126] - pbuff[638]
if(pbuff[126] > 127) //using channel 1 to control stobes
{
runStrobes();
}
else
{
leds[strobe] = CRGB::Black; //set strobes to black (off)
FastLED.show();
}
}
}
}
}
//checks to see if packet is E1.31 data
int checkACNHeaders(unsigned char* messagein, int messagelength)
{
if ( messagein[1] == 0x10 )
{ //header
String test = String((char*)&messagein[4]);
if ( test.equals("ASC-E1.17") )
{
int rootsizeflags = messagein[16] * 256 + messagein[17];
if ( (0x7000 + messagelength-16) == rootsizeflags )
{
int framingsizeflags = messagein[38] * 256 + messagein[39];
if ( (0x7000 + messagelength-38) == framingsizeflags )
{
int dmpsizeflags = messagein[115] * 256 + messagein[116];
if ( (0x7000 + messagelength-115) == dmpsizeflags )
{
int addresscount = messagein[123] * 256 + messagein[124]; // number of addresses plus start code
if ( (messagelength-125) == addresscount )
{
return addresscount;
}
}
}
}
}
}
return 0;
}
void loop()
{
int packetSize = Udp.parsePacket(); //store UPD packet
if(packetSize)
{
Udp.read(packetBuffer,SACN_BUFFER_MAX); //read UDP packet
int count = checkACNHeaders(packetBuffer, packetSize);
if (count)
{
sacnDMXReceived(packetBuffer, count); //process data function
}
}
}
void runStrobes()
{
if (trigger == LOW)
{
for(int count = 0; count < TOTAL; count = count + 1)
{
strobe = random(STROBES);
data[count] = strobe;
leds[strobe] = CRGB::White;
FastLED.show();
}
delay(SPEED);
}
for(int count = 0; count < TOTAL; count = count + 1)
{
strobe = data[count];
leds[strobe] = CRGB::Black;
FastLED.show();
}
}
// WS2811 strobe code credited to
// justinj of AusChristmasLighting.com
// Use the FastSPI library for WS2811 control
#include "FastSPI_LED2.h"
// Use the Conceptinetics library for easy DMX reception
#include <Conceptinetics.h>
#define STROBES 14
#define AGE 23 // Changes strobe pattern just in case you want a different pattern for whatever reason so feel free to lie about your age ;)
#define DATA_PIN 6 // !!!!!DO NOT USE PINS 0 or 1!!!!!
#define TOTAL 7 // How many strobes on at any one time?
int SPEED=30; // How many milliseconds do you want the strobes to be on for?
CRGB leds[STROBES]; // Init LED struct
int strobe;
int trigger;
int data[TOTAL];
// Init DMX data
int DMX_SLAVE_CHANNELS = 1;
//#define RXEN_PIN 3
DMX_Slave dmx_slave( DMX_SLAVE_CHANNELS);
int MODE=2; // Set mode for operation, 0=NONE, 1=AUTO, 2=STROBE
void Strobe(){
for(int count = 0; count < TOTAL; count = count + 1) {
strobe = random(STROBES);
data[count] = strobe;
leds[strobe] = CRGB::White;
FastLED.show();
}
delay(SPEED);
for(int count = 0; count < TOTAL; count = count + 1) {
strobe = data[count];
leds[strobe] = CRGB::Black;
FastLED.show();
}
}
void Strobe_DMX(){
int channelValue=0;
channelValue = dmx_slave.getChannelValue(1);
if(channelValue = 1 ){
SPEED = 20;
Strobe();
}
} // End Strobe_DMX
void setup()
{
// Init 2811 string
FastLED.addLeds<UCS1903, DATA_PIN, RGB>(leds, STROBES);
randomSeed(AGE);
DMX_Slave dmx_slave( DMX_SLAVE_CHANNELS);
dmx_slave.enable();
dmx_slave.setStartAddress(1);
for(int count = 0; count < TOTAL; count = count + 1) {
strobe = data[count];
leds[strobe] = CRGB::Black;
FastLED.show();
}
} // End setup()
void loop()
{
Strobe_DMX();
for(int count = 0; count < TOTAL; count = count + 1) {
strobe = data[count];
leds[strobe] = CRGB::Black;
FastLED.show();
}} // End loop()