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ArtnetWifiNeoPixel.ino
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ArtnetWifiNeoPixel.ino
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/*
This example will receive multiple universes via Artnet and control a strip of ws2811 leds via
Adafruit's NeoPixel library: https://github.com/adafruit/Adafruit_NeoPixel
This example may be copied under the terms of the MIT license, see the LICENSE file for details
*/
#include <ArtnetWifi.h>
#include <Arduino.h>
#include <Adafruit_NeoPixel.h>
//Wifi settings
const char* ssid = "ssid";
const char* password = "pAsSwOrD";
// Neopixel settings
const int numLeds = 240; // change for your setup
const int numberOfChannels = numLeds * 3; // Total number of channels you want to receive (1 led = 3 channels)
const byte dataPin = 2;
Adafruit_NeoPixel leds = Adafruit_NeoPixel(numLeds, dataPin, NEO_GRB + NEO_KHZ800);
// Artnet settings
ArtnetWifi artnet;
const int startUniverse = 0; // CHANGE FOR YOUR SETUP most software this is 1, some software send out artnet first universe as 0.
// Check if we got all universes
const int maxUniverses = numberOfChannels / 512 + ((numberOfChannels % 512) ? 1 : 0);
bool universesReceived[maxUniverses];
bool sendFrame = 1;
int previousDataLength = 0;
// connect to wifi – returns true if successful or false if not
bool ConnectWifi(void)
{
bool state = true;
int i = 0;
WiFi.begin(ssid, password);
Serial.println("");
Serial.println("Connecting to WiFi");
// Wait for connection
Serial.print("Connecting");
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
if (i > 20){
state = false;
break;
}
i++;
}
if (state){
Serial.println("");
Serial.print("Connected to ");
Serial.println(ssid);
Serial.print("IP address: ");
Serial.println(WiFi.localIP());
} else {
Serial.println("");
Serial.println("Connection failed.");
}
return state;
}
void initTest()
{
for (int i = 0 ; i < numLeds ; i++)
leds.setPixelColor(i, 127, 0, 0);
leds.show();
delay(500);
for (int i = 0 ; i < numLeds ; i++)
leds.setPixelColor(i, 0, 127, 0);
leds.show();
delay(500);
for (int i = 0 ; i < numLeds ; i++)
leds.setPixelColor(i, 0, 0, 127);
leds.show();
delay(500);
for (int i = 0 ; i < numLeds ; i++)
leds.setPixelColor(i, 0, 0, 0);
leds.show();
}
void onDmxFrame(uint16_t universe, uint16_t length, uint8_t sequence, uint8_t* data)
{
sendFrame = 1;
// set brightness of the whole strip
if (universe == 15)
{
leds.setBrightness(data[0]);
leds.show();
}
// 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 = 0;
break;
}
}
// read universe and put into the right part of the display buffer
for (int i = 0; i < length / 3; i++)
{
int led = i + (universe - startUniverse) * (previousDataLength / 3);
if (led < numLeds)
leds.setPixelColor(led, data[i * 3], data[i * 3 + 1], data[i * 3 + 2]);
}
previousDataLength = length;
if (sendFrame)
{
leds.show();
// Reset universeReceived to 0
memset(universesReceived, 0, maxUniverses);
}
}
void setup()
{
Serial.begin(115200);
ConnectWifi();
artnet.begin();
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();
}