#define CAYENNE_PRINT Serial  // Comment this out to disable prints and save space
#include <CayenneEthernet.h>

// Cayenne authentication token. This should be obtained from the Cayenne Dashboard.
char token[] = "token";


int measuringPin = A0;
int ledPin = 2;


const int timeMeasuring = 280;
const int timeStabilization = 40;
const int timeSleep = 9680;


float voltageAnalog = 0;
float voltageConversion = 0;
float dustiness = 0;

void setup() {
  Serial.begin(9600);
  pinMode(ledPin,OUTPUT);
  Cayenne.begin(token);
}
  
void loop() {
  Cayenne.run();
  
  digitalWrite(ledPin,LOW);
  delayMicroseconds(timeMeasuring);
  voltageAnalog = analogRead(measuringPin);
  delayMicroseconds(timeStabilization);
  digitalWrite(ledPin,HIGH);
  delayMicroseconds(timeSleep);
  
  voltageConversion = voltageAnalog * (4.6 / 1024.0);   //voltage on 5V pin
  dustiness = (0.17 * voltageConversion - 0.1)*1000;
  
  Serial.print("Dust concentration: ");
  Serial.print(dustiness);
  Serial.println(" ug/m3");
  
  delay(1000);
}

CAYENNE_OUT(V0)
{
  Cayenne.virtualWrite(V0, dustiness);
}