fuel.ino

fuel.ino

// Project created by David Cotterill-Drew- Just to learn and have fun!
// 05/04/2016 23:08 GMT

#include "math.h"                                     // needed for 'pow' and 'floor'

double fuelval;                                       // Variable to hold voltage measurement
double fuelper;                                       // Variable to hold battery charge as a percentage

int mic = A0;                                         // Output of mic connected to A0 - ADC pin
int level=0;                                          // Variavle to hold sound output measurement

FuelGauge fuel;                                       // Initialise FuelGague object 'fuel'

double Round(double dbVal, int nPlaces)               // nPlaces=2 for 2 dec places, etc,.
{
  const double dbShift = pow(10.0, nPlaces);
  return  floor(dbVal * dbShift + 0.5) / dbShift;
}

void setup()
{
  fuelval=fuel.getVCell();                            // Read battery voltage from Electron
  fuelper=fuel.getSoC();                              // Read battery percentage from Electron
}

void loop()
{
  fuelval=static_cast<double>(fuel.getVCell());       // Convert float to double
  fuelper=static_cast<double>(fuel.getSoC());

  fuelval=Round(fuelval,2);                           // round reading to 2 dec places
  fuelper=Round(fuelper,0);                           // round reading to 0 dec places
  level=analogRead(mic);

  Particle.variable("Voltage" ,fuelval );             // publish variables to particle cloud
  Particle.variable("Percent", fuelper);
  Particle.variable("Level",level);
}