Old Code pasted

platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:esp01_1m]
+platform = espressif8266
+board = esp01_1m
+framework = arduino
+
+
+lib_deps =
+    rstephan/ArtnetWifi @ ^1.6.1
+    fastled/FastLED @ ^3.9.17

src/main.cpp

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+/*
+This example will receive multiple universes via Art-Net and control a strip of
+WS2812 LEDs via the FastLED library: https://github.com/FastLED/FastLED
+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 <FastLED.h>
+
+
+
+const int numLeds = 120; // CHANGE FOR YOUR SETUP
+// Wifi settings
+const char* ssid = "Fahnenlan";
+const char* password = "Fahnenschlaeger";
+IPAddress local_IP(192, 168, 1, 109);
+const int startUniverse = 9; // CHANGE FOR YOUR SETUP most software this is 1, some software send out artnet first universe as 0.
+
+
+
+IPAddress gateway(192,168,1,1);
+IPAddress subnet(255,255,255,0);
+
+// LED settings
+const int numberOfChannels = numLeds * 3; // Total number of channels you want to receive (1 led = 3 channels)
+const byte dataPin = 3;
+CRGB leds[numLeds];
+
+// Art-Net settings
+ArtnetWifi artnet;
+
+// Check if we got all universes
+const int maxUniverses = numberOfChannels / 512 + ((numberOfChannels % 512) ? 1 : 0);
+bool universesReceived[maxUniverses];
+bool sendFrame = 1;
+
+
+// connect to wifi – returns true if successful or false if not
+bool ConnectWifi(void)
+{
+	bool state = true;
+	int i = 0;
+
+	WiFi.config(local_IP,gateway,subnet);
+	WiFi.begin(ssid, password);
+
+	while (WiFi.status() != WL_CONNECTED)
+	{
+		delay(500);
+
+		if (i > 20)
+		{
+			state = false;
+			break;
+		}
+		i++;
+	}
+
+	return state;
+}
+
+void initTest()
+{
+	for (int i = 0 ; i < numLeds ; i++)
+	{
+		leds[i] = CRGB(127, 0, 0);
+	}
+	FastLED.show();
+	delay(500);
+	for (int i = 0 ; i < numLeds ; i++)
+	{
+		leds[i] = CRGB(0, 127, 0);
+	}
+	FastLED.show();
+	delay(500);
+	for (int i = 0 ; i < numLeds ; i++)
+	{
+		leds[i] = CRGB(0, 0, 127);
+	}
+	FastLED.show();
+	delay(500);
+	for (int i = 0 ; i < numLeds ; i++)
+	{
+		leds[i] = CRGB(0, 0, 0);
+	}
+	FastLED.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)
+	{
+		FastLED.setBrightness(data[0]);
+		FastLED.show();
+	}
+
+	// range check
+	if (universe < startUniverse)
+	{
+		return;
+	}
+	uint8_t index = universe - startUniverse;
+	if (index >= maxUniverses)
+	{
+		return;
+	}
+
+	// Store which universe has got in
+	universesReceived[index] = true;
+
+	for (int i = 0 ; i < maxUniverses ; i++)
+	{
+		if (!universesReceived[i])
+		{
+			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 + (index * 170);
+		if (led < numLeds)
+		{
+			leds[led] = CRGB(data[i * 3], data[i * 3 + 1], data[i * 3 + 2]);
+		}
+	}
+
+
+	if (sendFrame)
+	{
+		FastLED.show();
+		// Reset universeReceived to 0
+		memset(universesReceived, 0, maxUniverses);
+	}
+}
+
+void setup()
+{
+	ConnectWifi();
+	artnet.begin();
+	FastLED.addLeds<WS2812, dataPin, GRB>(leds, numLeds);
+	delay(500);
+	initTest();
+
+	memset(universesReceived, 0, maxUniverses);
+	// this will be called for each packet received
+	artnet.setArtDmxCallback(onDmxFrame);
+}
+
+void loop()
+{
+	// we call the read function inside the loop
+	artnet.read();
+}