// Receive multiple universes via Artnet and control a strip of ws2811 leds via OctoWS2811
//
// This example may be copied under the terms of the MIT license, see the LICENSE file for details
// https://github.com/natcl/Artnet
//
// http://forum.pjrc.com/threads/24688-Artnet-to-OctoWS2811?p=55589&viewfull=1#post55589
#include <Artnet.h>
#include <Ethernet.h>
#include <EthernetUdp.h>
#include <SPI.h>
#include <OctoWS2811.h>
// OctoWS2811 settings
const int ledsPerStrip = 170; // change for your setup
const byte numStrips= 4; // change for your setup
DMAMEM int displayMemory[ledsPerStrip*6];
int drawingMemory[ledsPerStrip*6];
const int config = WS2811_GRB | WS2811_800kHz;
OctoWS2811 leds(ledsPerStrip, displayMemory, drawingMemory, config);
// Artnet settings
Artnet artnet;
const int startUniverse = 0; // CHANGE FOR YOUR SETUP most software this is 1, some software send out artnet first universe as zero.
const int numberOfChannels = ledsPerStrip * numStrips * 3; // Total number of channels you want to receive (1 led = 3 channels)
byte channelBuffer[numberOfChannels]; // Combined universes into a single array
// Check if we got all universes
const int maxUniverses = numberOfChannels / 512 + ((numberOfChannels % 512) ? 1 : 0);
bool universesReceived[maxUniverses];
bool sendFrame = 1;
// Change ip and mac address for your setup
byte ip[] = {192, 168, 0, 7};
byte mac[] = {0x04, 0xE9, 0xE6, 0x07, 0x69, 0xEC};
void setup()
{
Serial.begin(115200);
artnet.begin(mac, ip);
leds.begin();
initTest();
// this will be called for each packet received
artnet.setArtDmxCallback(onDmxFrame);
}
void loop()
{
// we call the read function inside the loop
artnet.read();
}
void onDmxFrame(uint16_t universe, uint16_t length, uint8_t sequence, uint8_t* data)
{
sendFrame = 1;
//Serial.println(universe);
//Serial.println(byte(data[1]));
// Store which universe has got in
if (universe-startUniverse < maxUniverses)
universesReceived[universe-startUniverse] = 1;
for (int i = 0 ; i < maxUniverses ; i++)
{
if (universesReceived[i] == 0)
{
// Serial.println("Broke");
sendFrame = 1;
break;
}
}
// read universe and put into the right part of the display buffer
for (int i = 0 ; i < length ; i++)
{
// Serial.println("Insert");
int bufferIndex = i + ((universe - startUniverse) * length);
if (bufferIndex < numberOfChannels) // to verify
channelBuffer[bufferIndex] = byte(data[i]);
}
// send to leds
for (int i = 0; i < ledsPerStrip * numStrips; i++)
{
leds.setPixel(i, channelBuffer[(i) * 3], channelBuffer[(i * 3) + 1], channelBuffer[(i * 3) + 2]);
// Serial.println(channelBuffer[i]);
}
if (sendFrame)
{
leds.show();
Serial.println("Show");
// Reset universeReceived to 0
memset(universesReceived, 0, maxUniverses);
}
}
void initTest()
{
for (int i = 0 ; i < ledsPerStrip * numStrips ; i++)
leds.setPixel(i, 127, 0, 0);
leds.show();
delay(500);
for (int i = 0 ; i < ledsPerStrip * numStrips ; i++)
leds.setPixel(i, 0, 127, 0);
leds.show();
delay(500);
for (int i = 0 ; i < ledsPerStrip * numStrips ; i++)
leds.setPixel(i, 0, 0, 127);
leds.show();
delay(500);
for (int i = 0 ; i < ledsPerStrip * numStrips ; i++)
leds.setPixel(i, 0, 0, 0);
leds.show();
}