Lectura Energetica

#include <Bridge.h>

#include <BridgeClient.h>

#include <BridgeServer.h>

#include <HttpClient.h>

#include <ArduinoJson.h>

BridgeServer _Server;

// ===================================================
//  ** PowerCheck - DIVERTEKA (J.C.G.P.) **    v. 1.0
// ===================================================
//
// -- variables and pins definition ------------------
const int analogInPin = A0;        // analog input pin
int retardo = 2 ;    // (tiempo (s.) entre visionados)
float lectura,ff,pKW,iA,vV,vS,S_Ratio;

// -- initialize serial comm & parameters ------------
void setup() {
  Serial.begin(9600);


  digitalWrite(13, LOW);

  Bridge.begin();

  digitalWrite(13, HIGH);

  _Server.listenOnLocalhost();

  _Server.begin();


  S_Ratio = 36.5;      // Sensor/ratio (mV/mA ) : 36.5
  vV = 110;            // valor de tension a computar
  ff = 4.15; // freq. factor / (50Hz -> 5 / 60Hz -> 4.15)
}

// -- smooth read routine ----------------------------
float smoothread(float fc){   // fc (factor corrector)
  int ni = 35;          // n. de iteraciones => smooth
  //  (ni) => rango 10 a 50 mejor promedio [smoothing]
  float retorno = 0.0;
  for (int x = 0; x< ni; x++){
  do {                         // espero paso por cero
      delayMicroseconds(100);
      } while (analogRead(0) != 0) ;
      delay (ff);            // espera centro de ciclo
      delay (10);            // estabilizacion CAD
      retorno = retorno +(analogRead(0)*fc);
    }
  return retorno / ni;
}

// -- main loop --------------------------------------
void loop() {
  lectura = smoothread (1) / 1.41;    // lectura (rms)
  vS = (lectura * 0.0048);          // valor de C.A.D.
  iA = (lectura * S_Ratio)/1000;     // Intensidad (A)
  pKW = (vV * iA);               // Potencia (kW)

  Serial.print("\n" );
  Serial.print("\n================================" );
  Serial.print("\n *** PowerCheck - DIVERTEKA *** " );
  Serial.print("\n================================\n" );
  Serial.print("\n- Tension predefinida  [V] --> " );
  Serial.print(vV,0);
  Serial.print("\n- Lectura del sensor   [V] --> " );
  Serial.print(vS,3);
  Serial.print("\n- Intensidad calculada [A] --> " );
  Serial.print(iA,3);
  Serial.print("\n- Potencia calculada  [kW] --> " );
  Serial.print(pKW,3);
  Serial.print("\n-------------------------------\n" );
  delay(retardo * 1000);

  BridgeClient client = _Server.accept();

  if (client) {
    StaticJsonBuffer<200> jsonBuffer;

    JsonObject& json = jsonBuffer.createObject();

    json["vS"] = vV;

    json["iA"] = validateValue(iA).toFloat();

    json["pKW"] = validateValue(pKW).toFloat();

    json["pKW"] = validateValue(pKW).toFloat();

    json["phKW"] = validateValue(pKW).toFloat() * 60;

    json.prettyPrintTo(client);

    client.stop();
  }
}

String validateValue(float value) {
  return String(abs(value), 2);
}