#include <VirtualWire.h>
#include "DHT.h"

#define DHTPIN 4  

#define DHTTYPE DHT22 

const int led_pin = 13;
const int transmit_pin = 12;

struct package
{
  float temperature ;
  float humidity ;
};


typedef struct package Package;
Package data;

DHT dht(DHTPIN, DHTTYPE);

void setup()
{
  Serial.begin(9600);
  
    // Initialise the IO and ISR
    vw_set_tx_pin(transmit_pin);
    vw_set_ptt_inverted(true); // Required for DR3100
    vw_setup(500);       // Bits per sec
    pinMode(led_pin, OUTPUT);
}



void loop()
{
  digitalWrite(led_pin, HIGH); // Flash a light to show transmitting
  readSensor();
  vw_send((uint8_t *)&data, sizeof(data));
  vw_wait_tx(); // Wait until the whole message is gone
  digitalWrite(led_pin, LOW);
  delay(2000);
}

void readSensor()
{
 dht.begin();

// READ DATA
  Serial.print("DHT22, \t");
 

 delay(1000);
 data.humidity = dht.readHumidity();
 data.temperature = dht.readTemperature();
 Serial.print(data.temperature);
}