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//--------------------------------------------------------------------------------------
// WeatherDuino Pro2 RF Transmiter
// Compatible with Cumulus Weather Software
// Boards compatibility   : WeatherDuino TX v2.xx, Board Series  
// Software compatibility : WeatherDuino RX v013 series only
//
// Version: 0.13-b005
// Version Released date: 13/01/2015
// Last revision date   : 10/01/2015
// Licence: GNU GPL
// Author : Werk_AG (Portugal)
//
// I wish to thanks to kevinkessler from http://kesslerarduino.wordpress.com/
// for the base code to read wind and rain sensors.
//--------------------------------------------------------------------------------------

#include <VirtualWire.h>      // library for RF RX/TX
#include <Wire.h>
#include <SHT1x.h>
#include <SHT2x.h>
#include "HTU21D.h"           // library for HTU21 Temp/Hum Sensor
#include <DHTxx.h>            // library for DHTxx
#include <Timer.h>
#include "RunningAverage.h"
#include <EEPROM.h>           // Library to eeprom read and write      

// --------------------------------------------------------------------------------------
//   User configurable options start here. 
// --------------------------------------------------------------------------------------
byte StationID     = 0xA1;      // Must be equal to your RX Unit (Value from 0x00 to 0xFF)  
byte UnitID        =    1;      // If you use only one TX unit define it as UnitID = 0
                                // For a second TX unit, define it as UnitID = 1

// -------  Let's define the data we want to send --------------
//#define ID0 0        // Temp / Hum sensors - 0 for SHT2x sensor, 1 for HTU21 sensor
#define ID1 1        // Temp / Hum sensors - 0 for SHT1x sensor, 1 for DHT22 sensor
#define ID2          // Wind data
#define ID3          // Rain data
//#define ID4          // UV / SolRad data
#define ID5          // Hardware Status - System Temp, Battery Voltage etc

byte fanOn_HiTemp  =   32;      // RS Fan turn on when outside temperature is >= than this value (ºC) 
byte fanOn_LowTemp =    3;      // RS Fan turn on when outside temperature is <= than this value (ºC) 
byte fanOn_LowWind =    2;      // RS Fan turn on when Wind Average is <= than this value (m/s)

// ---------------------------------------------------------------------------------------------------
//                       There is nothing to edit below this line !!!
// ---------------------------------------------------------------------------------------------------

//#define DebugID0
//#define DebugID1
//#define DebugID2
//#define DebugID3
//#define DebugID4
//#define DebugID5
#define Local_TestMode

#if ID0 == 1
HTU21D myHTU21;
#endif

#if ID1 == 0
// Specify data and clock connections and instantiate SHT1x object
#define dataPin  6
#define clockPin 9
SHT1x sht1x(dataPin, clockPin);
#endif

#if ID1 == 1
// DTH22 Data wire is plugged into port 6 on the Arduino
// Connect a 10K resistor between VCC and the data pin (strong pullup)
#define DHT22_PIN 6
DHTxx dht (DHT22_PIN);
#endif

// --- Analog Pins ---
#define SolarRad_PIN A0
#define IndiceUV_PIN A1
#define BatVolt_PIN A2
#define VANE_PIN A3
#define SysTemp_PIN A7
// --- Digital Pins ---
#define RAIN_GAUGE_INT 0
#define ANEMOMETER_INT 1
#define RAIN_GAUGE_PIN 2
#define ANEMOMETER_PIN 3
#define VANE_PWR 4
#define Fan_PIN 5
#define TXPower_PIN 7
#define TX_PIN 8             // Transmitter connected to pin 8

// --- Wind ------------
#define WIND_FACTOR 0.666667          // Factor 2.4 Km/h = 0,66666666666667 M/s 
#define TEST_PAUSE 30                 // Value for WindAverage - 30 secs 
volatile unsigned long anem_count = 0;
volatile unsigned long anem_last = 0;
volatile unsigned long anem_min = 0xffffffff;
unsigned int WindAvg, WindGust;
unsigned int last_WindGust = 50000;
RunningAverage raWindAvg(10);


// --- Vane -----------
const int vaneValues[] PROGMEM={66,84,92,127,184,244,287,406,461,600,631,702,786,827,889,946};
const int vaneDirections[] PROGMEM={1125,675,900,1575,1350,2025,1800,225,450,2475,2250,3375,0,2925,3150,2700};
#ifdef Local_TestMode
const char vaneDirectionsText[16] [4] = {"N","NNE","NE","ENE","E","ESE","SE","SSE","S","SSW","SW","WSW","W","WNW","NW","NNW"};
String winddr;
#endif
unsigned int WindDir;

// --- Rain -----------
//#define RAIN_FACTOR 0.3                           // Datasheet value = 0.2794
const float RAIN_FACTOR = 0.3;                      // Datasheet value = 0.2794
volatile unsigned long rain_count     = 0;
volatile unsigned long rain_last      = 0;
volatile unsigned long RainFall_rate;
unsigned int TotalRainTips;
unsigned int LastHourRainTips;
unsigned int lasthour_TotalRainTips   = 0;
unsigned int last_TotalRainTips       = 0;
//float TotalRain;
byte Pool_Rain_Interval        = 31;            //Pool Rain tick counter every 31 seconds
byte TotalRainTips_Eeprom_adr  = 10;

// ---------------------
RunningAverage raSolarRad(4);
RunningAverage raIndiceUV(4);

char DataPacket[32];       

byte PacketID;
byte RSfan;

unsigned int avg_SolarRad, SolarRad, avg_IndiceUV;
float IndiceUV;
float TotalRain;  // Used only in Debug Mode

unsigned int BatVolt, SysTempADC;

int ID0_TemperaturaExt, ID1_TemperaturaExt;
int ID0_HumidadeExt, ID1_HumidadeExt;

#ifdef Local_TestMode
// ----------   Temp Var for debug ---------------------
int DHT_HumidadeInt           = 500;
int DHT_TemperaturaInt        = 200;
int DHT_TemperaturaInt_offset = 0.0;
float pressure                = 100000;
float pressure_offset         = 0.0;
//------------------------------------------------
#endif

Timer t;

// --------- Soft Reset -------------------------------------------
void(*softReset)(void) = 0; //SoftwareReset vector (goto address 0)

// SETUP
//--------------------------------------------------------------------------------------
void setup()
{ 

//  erase_eeprom();
  
//------------------------------------------------------------
// Setup the transmitter
//------------------------------------------------------------
  vw_set_ptt_pin(TXPower_PIN);
  vw_set_tx_pin(TX_PIN);        // Transmitter connected to pin 8
  vw_setup(1000);	        // Bits per second
//------------------------------------------------------------
  pinMode(13,OUTPUT);
  digitalWrite(13, LOW);
  pinMode(Fan_PIN,OUTPUT);        
  pinMode(TXPower_PIN,OUTPUT); 

  Wire.begin();
  #if ID0 == 1
  myHTU21.begin();
  #endif  

  #ifdef Local_TestMode
    Serial.begin(19200);
    t.every(3050, Cumulus_Output);
  #endif

  #ifdef ID0
  t.every(19000, send_SensorID0); 
  #endif

  #ifdef ID1
  t.every(53000, send_SensorID1);  
  #endif

  #ifdef ID2  
  setupWindInts();
  t.every(5000, send_SensorID2);               // Send PacketID2. Before sending, call getGust() function
  t.every(TEST_PAUSE * 1000, getUnitWind);     // Calls Wind Average function +- every TEST_PAUSE seconds
  #endif

  #ifdef ID3
  setupRainInts();
  TotalRainTips = eepromReadInt(TotalRainTips_Eeprom_adr);
  t.every(Pool_Rain_Interval * 1000, send_SensorID3);  
  t.every(3600000, TotalRainTips_toEeprom);  // Every 1 hours call routine to save Rain Totals to eeprom (Routine only save if value is different from last call)
  #endif

  #ifdef ID4
  t.every(37000, send_SensorID4);
  //t.every(5000, send_SensorID4); // For testing...
  #endif
  
  #ifdef ID5
  t.every(97000, send_SensorID5);
  #endif

}

// MAIN LOOP
//--------------------------------------------------------------------------------------
void loop()
{    
  // Reboot if millis is close to rollover. RTC_Millis won't work properly if millis rolls over.  Takes 49 days to rollover
  if( millis() > 4294000000UL ) softReset();
  t.update();
}  

// End MAIN LOOP ------------------------------------------------------------------------




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