/*
Arduino UNO + I2C sensors + digitale/analoge sensors

data versturen via http request (GET) en usb (serieel)

  */
#include <Wire.h>
#include <SPI.h>
#include <Ethernet.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BMP085.h>
#include <Adafruit_TSL2561_U.h>
#include <Adafruit_INA219.h>
#include <LM75A.h>
#include "Adafruit_AM2320.h"

Adafruit_AM2320 am2320 = Adafruit_AM2320();

// --- Analogue Wind Speed
int analogChannel0 = 0;
float vout = 0.0;
float vin = 0.0;
float R1 = 0000.0; // R1 = 0K
float R2 = 1000.0; // R2 = 1K
float pressure = 0.0;
float a1P = 0.0;
int value = 0;
// --- Analogue Wind Speed

// --- Analogue Wind Bearing
int analogChannel1 = 1;
float vout1 = 0.0;
float vin1 = 0.0;
float R3 = 0000.0; // R3 = 0K
float R4 = 1000.0; // R4 = 1K
int value1 = 0;
// --- Analogue Wind Bearing

// --- Analogue UV Detection
int analogChannel2 = 2;
float vout2 = 0.0;
float vin2 = 0.0;
float R5 = 0000.0; // R5 = 0K
float R6 = 1000.0; // R6 = 1K
int value2 = 0;
// --- Analogue UV Detection

// --- Rain perticipation counter
const int DRMpin = 3;
int val = 0;
int old_val = 0;
int a1R = 0;
// --- Rain perticipation counter

// --- I2C Barometric Pressure
Adafruit_BMP085 bmp; // I2C
// --- I2C Barometric Pressure

// --- I2C Current
Adafruit_INA219 ina219;
// --- I2C Current

// --- I2C Luminance
Adafruit_TSL2561_Unified tsl = Adafruit_TSL2561_Unified(TSL2561_ADDR_FLOAT, 12345); //I2C
void configureSensor(void)
{
  tsl.setGain(TSL2561_GAIN_1X);
  tsl.setIntegrationTime(TSL2561_INTEGRATIONTIME_13MS);
}
// --- I2C Luminance

// Create I2C LM75A temperature instance
LM75A lm75a_sensor02(false,  //A0 LM75A pin state sensor behuizing
                   false,  //A1 LM75A pin state
                   false); //A2 LM75A pin state

LM75A lm75a_sensor01(false,  //A0 LM75A pin state sensor weathershield
                   true,  //A1 LM75A pin state
                   false); //A2 LM75A pin state                   
// Equivalent to "LM75A lm75a_sensor;"
// Create I2C LM75A temperature instance

// --- NIC W5100
byte mac_addr[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xDC, 0xDF };

 IPAddress ip(xxx.xxx.xxx.xxx); <---- IP-adres Arduino invullen
 EthernetServer server(80);

IPAddress server_addr(xxx.xxx.xxx.xxx);  // IP of the MySQL *server* here <--- IP-adres MySQL server
// --- NIC W5100


void setup() {
   // Open serial communications and wait for port to open:
   Serial.begin(9600);
   while (!Serial);
   // start the Ethernet connection and the server:
   Ethernet.begin(mac_addr, ip);
   server.begin();
   Serial.print("server is at ");
   Serial.println(Ethernet.localIP());   

  uint32_t currentFrequency;

// --- initialize I2C sensors Current, Barometric Pressure, Luminance
ina219.begin();

  if (!bmp.begin())
  {
    Serial.println("BMP180 sensor not found");
    while (1) {}
  }

  if(!tsl.begin())
  {
    Serial.println("TSL2561 not detected");
    while (1) {}
  }
// --- initialize I2C sensors Current, Barometric Pressure, Luminance

// --- initialize I2C sensor Humidity
  am2320.begin();
// --- initialize I2C sensor Humidity

// --- pin 3 rain perticipation
  pinMode(DRMpin,INPUT_PULLUP);

 }

void loop() {
   // listen for incoming clients
   EthernetClient client = server.available();

// Windsnelheid (Anemometer)
           // output the value Windspeed in m/s
             value = analogRead(analogChannel0);
             vout = (value * 5.0) / 1024.0; // e.v.t. aanpassen op 5 Volt voedingsspanning
             vin = vout / (R2/(R1+R2));
             if (vin<0.03) {
              vin=0.0; // rommel weg
              }
             float a1W = vin * 6.48;
           // output the value Windspeed in m/s

// Windrichting
          // output the value and convert to Wind Bearing
             value1 = analogRead(analogChannel1);
             vout1 = (value1 * 5.0) / 1024.0; // e.v.t. aanpassen op 5 Volt voedingsspanning
             vin1 = vout1 / (R4/(R3+R4));
             if (vin1<0.03) {
              vin1=0.0; // rommel weg
              }
 
          float a1B = 0.0;

          if (vin1<0.45||vin1>2.0) { a1B = 0.0; }
          else if (vin1<0.55) { a1B = 22.5; }
          else if (vin1<0.65) { a1B = 45.0; }   
          else if (vin1<0.75) { a1B = 67.5; }
          else if (vin1<0.85) { a1B = 90.0; }
          else if (vin1<0.95) { a1B = 112.5; }
          else if (vin1<1.05) { a1B = 135.0; }
          else if (vin1<1.15) { a1B = 157.5; }
          else if (vin1<1.25) { a1B = 180.0; }
          else if (vin1<1.35) { a1B = 202.5; }
          else if (vin1<1.45) { a1B = 225.0; }
          else if (vin1<1.55) { a1B = 247.5; }
          else if (vin1<1.65) { a1B = 270.0; }
          else if (vin1<1.75) { a1B = 292.5; }
          else if (vin1<1.85) { a1B = 315.0; }
          else { a1B = 337.5; }
          // output the value and convert to Wind Bearing

// UV-index (analoog)
          // output the value and convert to UV Index
             value2 = analogRead(analogChannel2);
             vout2 = (value2 * 5.0) / 1024.0; // e.v.t. aanpassen op 5 Volt voedingsspanning
             vin2 = vout2 / (R6/(R5+R6));
             if (vin2<0.03) {
              vin2=0.0; // rommel weg
              }
 
          int a1UV = 0;

          if (vin2<0.08||vin2>1.55) { a1UV = 0; }
          else if (vin2<0.14) { a1UV = 1; }
          else if (vin2<0.24) { a1UV = 2; }
          else if (vin2<0.34) { a1UV = 3; }
          else if (vin2<0.44) { a1UV = 4; }
          else if (vin2<0.54) { a1UV = 5; }
          else if (vin2<0.64) { a1UV = 6; }
          else if (vin2<0.74) { a1UV = 7; }
          else if (vin2<0.84) { a1UV = 8; }
          else if (vin2<0.94) { a1UV = 9; }
          else if (vin2<1.04) { a1UV = 10; }
          else if (vin2<1.14) { a1UV = 11; }
          else if (vin2<1.24) { a1UV = 12; }
          else if (vin2<1.34) { a1UV = 13; }
          else if (vin2<1.44) { a1UV = 14; }
          else { a1UV = 15; }
          // output the value and convert to UV Index

// BMP180 I2C luchtdruksensor
    float a1T2 = (bmp.readTemperature());

            pressure = bmp.readPressure();
            a1P = pressure / 100;

// TSL2561 I2C luminatiesensor
    sensors_event_t event;
    tsl.getEvent(&event);

    float a1L = (event.light);

// LM75 I2C temperatuursensoren
float temperature_in_degrees = lm75a_sensor01.getTemperatureInDegrees();

    float a1T = (temperature_in_degrees); // temp weathershield
  if (temperature_in_degrees == INVALID_LM75A_TEMPERATURE) {
  a1T = 0;
  }

float temperature_in_degrees2 = lm75a_sensor02.getTemperatureInDegrees();

    float a1T3 = (temperature_in_degrees2); // temp behuizing
  if (temperature_in_degrees2 == INVALID_LM75A_TEMPERATURE) {
    //client.println("Error while getting temperature");
  a1T3 = 0;
  }  

// Neerslaghoeveelheid  
  val = digitalRead(DRMpin);

  if ((val == LOW) && (old_val == HIGH) || (val == HIGH) && (old_val == LOW)){    
    delay(10);
    a1R = 1;    
    old_val = val;
    }
else
    {
    a1R = 0;      
    old_val = val;
    }

// INA 219 I2C spanning/stroomsensor    
  float shuntvoltage = 0;
  float a1U = 0;
  float a1I = 0;
  float loadvoltage = 0;

  shuntvoltage = ina219.getShuntVoltage_mV();
  a1U = ina219.getBusVoltage_V();
  a1I = ina219.getCurrent_mA();
  loadvoltage = a1U + (shuntvoltage / 1000);

// AM2320 I2C luchtvochtigheidssensor
  float a1H = 0;
  float a1T1 = 0;

  a1H = am2320.readHumidity();
  a1T1 = am2320.readTemperature();


if (client.connect(server_addr,80)){
  Serial.println("-> Connected");
  // Make a HTTP request:
  client.print("GET /xxxxxxx.php?"); <--- url / link naar MySQL(webserver)

  client.print("a1W="); // Windspeed
  client.print(a1W);
  client.print("&");
  client.print("a1B="); // Wind Bearing
  client.print(a1B);
  client.print("&");
  client.print("a1UV="); // UV Index 0-15
  client.print(a1UV);
  client.print("&");  
  client.print("a1T=");  // Temperature weathershield LM75
  client.print(a1T);
  client.print("&");
  client.print("a1P="); // Pressure BMP180 weathershield
  client.print(a1P);
  client.print("&");
  client.print("a1L="); // Luminance TSL2561
  client.print(a1L);
  client.print("&");
  client.print("a1H="); // Humidity AM2320 weathershield
  client.print(a1H);
  client.print("&");
  client.print("a1T1="); // Temperature AM2320 weathershield
  client.print(a1T1);
  client.print("&");
  client.print("a1T2="); // Temperature BMP180 weathershield
  client.print(a1T2);
  client.print("&");  
  client.print("a1T3="); // Temperature behuizing
  client.print(a1T3);
  client.print("&");
  client.print("a1R="); // Rain 
  client.print(a1R);
  client.print("&");
  client.print("a1U="); // Voltage
  client.print(a1U);
  client.print("&");
  client.print("a1I="); // Current
  client.print(a1I);
  client.println();
  client.stop();
}  

  Serial.print("W ");
  Serial.print(a1W); // 1. wind speed
  Serial.print(",");

  Serial.print("B ");
  Serial.print(a1B); // 2. wind bearing
  Serial.print(",");

  Serial.print("UV ");
  Serial.print(a1UV); // 3. UV index
  Serial.print(",");  

  Serial.print("T ");
  Serial.print(a1T); // 4. temperature
  Serial.print(",");

  Serial.print("P ");
  Serial.print(a1P); // 5. pressure
  Serial.print(",");

  Serial.print("L ");
  Serial.print(a1L); // 6. luminance
  Serial.print(",");

  Serial.print("H ");
  Serial.print(a1H); // 7. humidity
  Serial.print(",");

  Serial.print("T1 ");
  Serial.print(a1T1); // 8. temperature 1
  Serial.print(",");  

  Serial.print("T2 ");
  Serial.print(a1T2); // 8. temperature 2
  Serial.print(","); 
  
  Serial.print("T3 ");
  Serial.print(a1T3); // 9. temperature 3
  Serial.print(",");

  Serial.print("R ");  
  Serial.print(a1R); // 11. rain (0,254 mm/pulse)
  Serial.print(",");

  Serial.print("U ");
  Serial.print(a1U); // 12. voltage
  Serial.print(",");

  Serial.print("I ");
  Serial.print(a1I); // 13. current
  Serial.print("\n");


delay(5000);
/*
  
T = temperature *C
H = relative humidity %
UV = UV index 0...15
P = barometric presurre mBar
W = windspeed m/s
L = Luminance Lux
B = wind bearing 0 - 360 degrees (16 steps)
R = rain * 0.254 inch converted to mm
U = voltage Volt
I = current milliAmperes

*/  
}