/* YourDuino.com Example Software Sketch
   DHT11 Humidity and Temperature Sensor test
   Credits: Rob Tillaart
   http://arduino-direct.com/sunshop/index.php?l=product_detail&p=162
   terry@yourduino.com */
   
/*-----( Import needed libraries )-----*/
#include <dht11.h>
#include <Wire.h>
#include <BMP085.h>
#include <WeatherSensorWH2.h>

/*-----( Declare objects )-----*/
dht11 DHT11;
BMP085 bmp;

/*-----( Declare Constants, Pin Numbers )-----*/
#define DHT11PIN 4

#define RF_IN 3

#define REDPIN 11
#define GREENPIN 12

volatile byte got_interval = 0;
volatile byte interval = 0;

volatile unsigned long old = 0, packet_count = 0; 
volatile unsigned long spacing, now, average_interval;

WeatherSensorWH2 weather;

ISR(TIMER1_COMPA_vect)
{
  static byte count = 0;
  static byte was_hi = 0;
  
  if (digitalRead(RF_IN) == HIGH) {
    count++;
    was_hi = 1; 
  } else {
    if (was_hi) {
      was_hi = 0;
      interval = count;
      got_interval = 1;
      count = 0;
    }
  }
}

void setup()   /*----( SETUP: RUNS ONCE )----*/
{
  Serial.begin(9600);
  Serial.println("STATUS:START");

  bmp.begin();
  
  pinMode(REDPIN,OUTPUT);
  pinMode(GREENPIN,OUTPUT);  

  pinMode(RF_IN, INPUT);
  TCCR1A = 0x00;
  TCCR1B = 0x09;
  TCCR1C = 0x00;
  OCR1A = 399;
  TIMSK1 = 0x02;
  sei();

}/*--(end setup )---*/

unsigned long previousMillis = 0;
unsigned long indoor_interval = 60000;
unsigned long outdoor_interval = 45000;
unsigned long previousIndoor = 0;
unsigned long previousOutdoor = 0;

void loop()   /*----( LOOP: RUNS CONSTANTLY )----*/
{
  
  byte i;
  byte *packet;
  
  if (got_interval) {
    weather.accept(interval);  
    if (weather.acquired()) {
      now = millis();
      spacing = now - old;
      old = now;
      packet_count++;
      average_interval = now / packet_count;     
   /*
      Serial.print("Spacing: ");
      Serial.println(spacing, DEC);
      Serial.print("Packet count: ");
      Serial.println(packet_count, DEC);
   
      Serial.print("Average spacing: ");
      Serial.println(average_interval, DEC);
  
      
      packet = weather.get_packet();
      for(i=0;i<5;i++) {
        Serial.print("0x");
        Serial.print(packet[i], HEX);
        Serial.print("/");
        Serial.print(packet[i], DEC);
        Serial.print(" ");
      }  
      
      Serial.print("crc: ");
      Serial.print(weather.calculate_crc(), HEX);
      Serial.println((weather.valid() ? " OK" : " BAD"));
      
   */
   
      if (weather.valid()) {

        Serial.print("SENSOR:TYPE=OUTDOOR,");
        
        Serial.print("ID=");
        Serial.print(weather.get_sensor_id(), HEX);
      
        Serial.print(",HUMIDITY=");
        Serial.print(weather.get_humidity(), DEC);
        
        Serial.print(",TEMPERATURE=");
        Serial.println(weather.get_temperature_formatted());
        
        previousOutdoor = millis();
        digitalWrite(REDPIN,HIGH);
        
      } else {
      
        Serial.println("ERROR:OUTDOOR");
        previousOutdoor = millis();
        digitalWrite(REDPIN,LOW);
        
      }  
    
     }
   
   got_interval = 0; 
 
  }
  
  
  if ((unsigned long)(millis() - previousMillis) >= indoor_interval) {

    previousMillis = millis();
  
    int chk = DHT11.read(DHT11PIN);

    if (chk==0) {
     
      Serial.print("SENSOR:TYPE=INDOOR,");
      Serial.print("HUMIDITY=");
      Serial.println((float)DHT11.humidity, 2);

//      Serial.print(",TEMPERATURE=");
//      Serial.println((float)DHT11.temperature, 2);

      Serial.print("SENSOR:TYPE=BARO,");
      Serial.print("PRESSURE=");
      Serial.print(bmp.readPressure());
      Serial.print(",TEMPERATURE=");
      Serial.println(bmp.readTemperature());

      previousIndoor = millis();
      digitalWrite(GREENPIN,HIGH);


    } else {
      
      Serial.println("ERROR:INDOOR");
      previousIndoor = millis();
      digitalWrite(GREENPIN,LOW);
        
    } 

  }
  
  if ((unsigned long)(millis() - previousIndoor) >= indoor_interval*10) {

      Serial.println("ERROR:INDOOR TIMEOUT");
      previousIndoor = millis();
      digitalWrite(GREENPIN,LOW);
    
  }

  if ((unsigned long)(millis() - previousOutdoor) >= outdoor_interval*10) {

      Serial.println("ERROR:OUTDOOR TIMEOUT");
      previousOutdoor = millis();
      digitalWrite(REDPIN,LOW);
    
  }
  
  
}/* --(end main loop )-- */

/* ( THE END ) */