LabArduino

#include <Arduino.h>
#include <LiquidCrystal.h>
#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <string>

#define DHTTYPE DHT11   // DHT 11
#define DHTPIN 5
#define ADCPIN 0

/**To access sensor readings, it is necessary to instantiate a communication class that binds the
hardware to the code
*/
DHT dht(DHTPIN, DHTTYPE,50);

/*To initialize it and instantiate controller object, following GPIO definition and initialization was used
*/
const int rs = 12, en = 13, d4 = 4, d5 = 0, d6 = 2, d7 = 14;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
int nAdcReading = 0;
void printNames();
void measures();
void buttonDecode();

/**
* Arduino function which runs once and sets everything up
*/
void setup()
{
Serial.begin(9600); // open serial communication, 9600 is the default speed
lcd.begin(16, 2);  //init LCD (16 is the width, 2 is height, in bits)
dht.begin(); // It is necessary to initialize the sensor class and give it some time to set up:
delay(1000); //delay
//printNames(); //invoke function from exercise 1
}




/**
* Arduino function in which code which will be ran repeatedly is placed
*/
void loop()
{
    //measures();  //invoke function from exercise 2
//buttonDecode(); //invoke function from exercise 3

}

//Task 1
void printNames()
{
lcd.print("Marek Kawalski"); //print name in the first line
lcd.setCursor(0, 1); //change the cursor position to the second line
lcd.print("Paulina Mateusz"); //print another names
}

//Task 2
void measures()
{
  float hum = dht.readHumidity(); //read humidity from sensor
  float temp = dht.readTemperature(); //read temperature from sensor
  char buffer [50];  //create a buffer

  lcd.setCursor(0, 0); //set cursor in the first
  sprintf(buffer, "Temp.: %2.1f C", temp); //store temperature in buffer
  lcd.print(buffer); //print buffer content

  lcd.setCursor(0, 1); //set cursor to the next line
  sprintf(buffer, "Hum.: %2.1f%%Rh", hum);  //store relative humidity in buffer
  lcd.print(buffer); //print buffer content
  delay(1000); //make a delay so as to make output visible
}

//Task 3
void buttonDecode()
{
  int nAD0 = analogRead(ADCPIN); //read from pin

  lcd.setCursor(0, 0); //set cursor to the first line
  lcd.print(nAD0); //print read value from nAD0

  lcd.setCursor(0, 1); //set cursor to the second line
  if(nAD0 >= 750 && nAD0 <= 770)
        lcd.print("left"); //if read value ranges between 750 and 770 button left was pressed
  else if(nAD0 >= 10 && nAD0 <= 20)
        lcd.print("right"); //if read value ranges between 10 and 20 button right was pressed
  else if(nAD0 >= 220 && nAD0 <= 240)
        lcd.print("up"); //if read value ranges between 220 and 240 button left up was pressed
  else if(nAD0 >= 490 && nAD0 <= 500)
        lcd.print("down"); //if read value ranges between 490 and 500 button down was pressed

  delay(5000); //set a delay
  lcd.clear(); // clear the display
}