SNAC - Slave

//Temperature + humidité
#include <Wire.h>
#include "Adafruit_MCP9808.h"

#include <string.h>//Particule
#include <Servo.h>

Adafruit_MCP9808 tempsensor = Adafruit_MCP9808();// Create the MCP9808 temperature sensor object
Servo myservo;// Créé l'objet myservo

int incomingByte = 0;


int HumPin = A1;//Port du capteur d'humidité
int DustPin = 8;//Pin particle
int UVPin = 5;//Pin UV
int ResistPin = 4;//Pin Resistance
int VentPin = 3;
int ServoPin = 6;

int EtatUV = 0;
int EtatRes = 0;
int EtatVent = 0;
int EtatServo = 0;

//Particule
unsigned long duration;
unsigned long starttime;
unsigned long endtime;
unsigned long sampletime_ms = 30000;
unsigned long lowpulseoccupancy = 0;
float ratio;
float concentration;
float p;



void setup() {
  Serial.begin(9600);
  pinMode(UVPin,OUTPUT);
  pinMode(ResistPin,OUTPUT);
  pinMode(VentPin,OUTPUT);
  pinMode(DustPin,INPUT);

  starttime = millis();
}

void loop() {
  if(Serial.available() > 0){
    incomingByte = Serial.read();

    if(incomingByte == 'A'){
      myservo.attach(ServoPin);
      digitalWrite(UVPin, HIGH); EtatUV = 1;
      digitalWrite(ResistPin, HIGH); EtatRes = 1;
      digitalWrite(VentPin, HIGH); EtatVent = 1;
      myservo.write(88); EtatServo = 1;
      incomingByte = 0;
    }
    if(incomingByte == 'B'){
      myservo.attach(ServoPin);
      digitalWrite(UVPin, HIGH); EtatUV = 1;
      digitalWrite(ResistPin, LOW); EtatRes = 0;
      digitalWrite(VentPin, HIGH); EtatVent = 1;
      myservo.write(88); EtatServo = 1;
      incomingByte = 0;
    }
    if(incomingByte == 'C'){
      digitalWrite(UVPin, LOW); EtatUV = 0;
      digitalWrite(ResistPin, HIGH); EtatRes = 1;
      digitalWrite(VentPin, HIGH); EtatVent = 1;
      myservo.detach(); EtatServo = 0;
      incomingByte = 0;
    }

    if(incomingByte == 'D'){
      Serial.write(Temperature());
      Serial.write(Humidite());
      Serial.write(Part());
      incomingByte = 0;
    }
    if(incomingByte == 'E'){
      Serial.write(EtatUV);
      Serial.write(EtatRes);
      Serial.write(EtatVent);
      incomingByte = 0;
    }
    if(incomingByte == 'F'){
      digitalWrite(UVPin, LOW); EtatUV = 0;
      digitalWrite(ResistPin, LOW); EtatRes = 0;
      digitalWrite(VentPin, LOW); EtatVent = 0;
      myservo.detach(); EtatServo = 0;
      incomingByte = 0;
    }
  }


}

byte Temperature() {
  /*
  float c = tempsensor.readTempC();
  c = (byte)(2 * c + 0.5);
  return c;
  */
  return 5;
}

byte Humidite() {
  /*
  int h = analogRead(HumPin);
  int i = 5.0 * (0.0062 * h + 0.16);
  i = (byte)(i + 0.5);
  return i;
  */
  return 5;
}


byte Part(){
  /*
    //Capteur de particule
  duration = pulseIn(DustPin, LOW);//Recuperation du temps bas sur l'onde PWM
  lowpulseoccupancy += duration;
  endtime = millis();
  if ((endtime-starttime) > sampletime_ms){

    ratio = (lowpulseoccupancy-endtime+starttime + sampletime_ms)/(sampletime_ms*10.0);  // Integer percentage 0=>100
    concentration = 1.1*pow(ratio,3)-3.8*pow(ratio,2)+520*ratio+0.62; // using spec sheet curve
    lowpulseoccupancy = 0;
    starttime = millis();

    i = (byte) concentration;

    return i;
  }
  */
  return 4;
}