/***************************************************************
 *  Project        : Smart home automation simulation using IOT
 *  Group Name     : Group 4
 *  Group Members  :
 *                  Bharat Sharma
 *                  Debadarshy Dash
 *                  Partha Dutta 
 *                  Tejas Pathak
 *                  Vaibhav Singhal
 *
 **************************************************************/

#include <Arduino.h>

// DHT Functions
extern void dhtInit(void);
extern bool readTempAndHumidity(float *t, float *h);

// LCD display functions
extern void lcdInit(void);
extern void lcdClear(void);
extern void displayData(float temp, float humidity);
extern void displaySplashScreen(void);

// Fan functions
extern void fanInit(void);
extern void changeFanSpeed(float temp, float humidity);

// Light functions
extern void lightInit(void);
extern void checkLight(void);

// Door functions 
extern void doorInit(void);
extern void controlDoor(void);


// Setup sensors / actuators
void setup() 
{  
  // Init console 
  Serial.begin(115200);
   
  lcdInit();
  // Display splash screen
  displaySplashScreen();

  // Init DHT sensor
  dhtInit();
  
  // light init
  lightInit();

  // Init door
  doorInit();

  // Init fan
  fanInit();

  // Display splash screen for 1 sec
  delay(1000);
  // Clear the screen
  lcdClear();

}

// Main loop
void loop() {
  float temp = 0.0;
  float humidity = 0.0;

  // Open or close door
  controlDoor();

  // Check light intensity and switch on light if needed
  checkLight();

  // Check temp and humidity
  if (true == readTempAndHumidity(&temp, &humidity))
  {
    // Display temp and humidity
    displayData(temp, humidity);
    
    // Change fan speed if needed
    changeFanSpeed(temp, humidity);
  }

}