LED adressables

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LED Neopixel alimentées par une alimentation 5VDC à dimmensionner en fonction du nombre total de LED (par exemple ruban RGB de 40 led : 3 x 0.05 x 40 = 6A)

variante avec LED alimentées par le 3,3V de la carte de l'ESP8266

exemple de programme avec LED Neopixel :

// pour LOLIN D1 mini pro ESP8266

#include <FastLED.h>
#include <ArtnetWifi.h>
#include <Arduino.h>



// WiFi stuff
//const char* ssid = "HUAWEI-B715-AED4";//"Canard";
//const char* password = "KERGOMARD";//"canarder";
const char* ssid = "travel_lab";
const char* password = "olivarpremier";
const IPAddress ip(192, 168, 0, 116);
const IPAddress gateway(192, 168, 0, 253);
const IPAddress subnet(255, 255, 255, 0);

// LED settings
const int numLeds = 2; // CHANGE FOR YOUR SETUP
const int numberOfChannels = numLeds * 3; // Total number of channels you want to receive (1 led = 3 channels)
const byte dataPin = D5;
CRGB leds[numLeds];

// Art-Net 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;


// connect to wifi – returns true if successful or false if not
bool ConnectWifi(void)
{
  bool state = true;
  int i = 0;

  WiFi.begin(ssid, password);
  WiFi.config(ip, gateway, subnet);
  //Serial.println("");
  //Serial.println("Connecting to WiFi");

  // Wait for connection
  //Serial.print("Connecting");
  while (WiFi.status() != WL_CONNECTED)
  {
    leds[0] = CRGB(10, 0, 10);//debug : check if fastled OK
    FastLED.show();  // Envoyer les couleurs aux LED
    delay(50);
    leds[0] = CRGB(0, 0, 0);//debug : check if fastled OK
    FastLED.show();  // Envoyer les couleurs aux LED
    //Serial.print(".");
    delay(50);
    if (i > 200)
    {
      state = false;
      leds[0] = CRGB(10,0, 0);//debug : check if fastled OK
      FastLED.show();  // Envoyer les couleurs aux LED
      ESP.restart();
      break;
    }
    i++;
  }
  if (state)
  {
    leds[0] = CRGB(0,10, 0);//debug : check if fastled OK
    FastLED.show();  // Envoyer les couleurs aux LED
    //Serial.println("");
    //Serial.print("Connected to ");
    //Serial.println(ssid);
    //Serial.print("IP address: ");
    //Serial.println(WiFi.localIP());
  }
  else
  {
    leds[0] = CRGB(10, 0, 0);//debug : check if fastled OK
    FastLED.show();  // Envoyer les couleurs aux LED
    //Serial.println("");
    //Serial.println("Connection failed.");
  }

  return state;
}

void initTest()
{
  //delay(1000);
  for (int i = 0 ; i < numLeds ; i++)
  {
    leds[i] = CRGB(127, 0, 0);
    FastLED.show();
    delay(1);
  }
  FastLED.show();
  delay(1000);
  for (int i = 0 ; i < numLeds ; i++)
  {
    leds[i] = CRGB(0, 127, 0);
  }
  FastLED.show();
  delay(1000);
  for (int i = 0 ; i < numLeds ; i++)
  {
    leds[i] = CRGB(0, 0, 127);
  }
  FastLED.show();
  delay(1000);
  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;
  //Serial.println(index);

  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()
{
  //Serial.begin(115200);
  FastLED.addLeds<NEOPIXEL, dataPin>(leds, numLeds);
  FastLED.setMaxPowerInVoltsAndMilliamps(5, 1000);
  ConnectWifi();
  delay(1000);
  artnet.begin();

  //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
  while (WiFi.status() == WL_CONNECTED)
  {
  artnet.read();
  FastLED.show(); //mise a jour des LED's à chaque cycle
  }
  ESP.restart();

}