Onderwerp: BMS (boat monitoring system)

// include the GSM library
#include <GSM.h>;
#include <dht.h>;

#define dataPin_t1 8   //voor de temperatuur sensor
#define dataPin_t2 9   //voor de temperatuur sensor
#define PINNUMBER "6495"

// APN information obrained from your network provider
#define GPRS_APN       "internet" // replace with your GPRS APN
#define GPRS_LOGIN     "KPN"    // replace with your GPRS login
#define GPRS_PASSWORD  "gprs" // replace with your GPRS password

dht DHT;




GSM gsmAccess(false);     // include a 'true' parameter for debug enabled
GSM_SMS sms;
GSMClient client;
GPRS gprs;

int readData;
float t1;
float h1;
float t2;
float h2;
boolean log_aan = false;
char remoteNumber[20]; 
String toegestaan_nummer[] = {"+31612345678", "+3112345679"};
int aantal_nummers = 2;
char c;
String bericht;
char server[] = ""; // the base URL
char path[] = ""; // the path
int port = 80; // the port, 80 for HTTP
String waarde = "";
unsigned long previousMillis = 0;
unsigned long interval = 600000;

int analogInput = A5;
float vout = 0.0;
float vin = 0.0;
float R1 = 29940.0;
float R2 = 7520.0;
int value = 0;


void setup()
{
  Serial.begin(9600);
  
  Serial.println("Starting Arduino web client.");
  
  pinMode(analogInput, INPUT);
  
  // connection state
  connect_to_network();
}

void connect_to_network()
{
  boolean notConnected = true;
  // Start GSM shield
  // pass the PIN of your SIM as a parameter of gsmAccess.begin()
  while(notConnected)
  {
    if((gsmAccess.begin(PINNUMBER, true)==GSM_READY) &
      (gprs.attachGPRS(GPRS_APN, GPRS_LOGIN, GPRS_PASSWORD)==GPRS_READY)){
      notConnected = false;
      Serial.println("Connected to network");
    }
    else
    {
      Serial.println("Not connected");
      delay(1000);
    }
  }
  Serial.println("GSM connected");
}

void zend_data()
{
  Serial.println("connecting...http");
  // if you get a connection, report back via serial:
  if (client.connect(server, port))
  {
    Serial.println("connected");
    // Make a HTTP request:
    client.print("GET ");
    client.print(path);
    client.print(waarde);
    client.println(" HTTP/1.0");
    client.println();
    client.stop();
  } 
  else
  {
    // if you didn't get a connection to the server:
    Serial.println("connection failed");
    Serial.println("http connect");
    connect_to_network();
    zend_data();
  }
 
}

void loop(){
  readData = DHT.read22(dataPin_t1);
  t1 = DHT.temperature;
  h1 = DHT.humidity;
  
  readData = DHT.read22(dataPin_t2);
  t2 = DHT.temperature;
  h2 = DHT.humidity;

  value = analogRead(analogInput);
  vout = (value * 5.0) / 1024.0;
  vin = vout / (R2/(R1+R2));
  //Serial.print("INPUT Vin= ");
 // Serial.println(vin,2);


  
  //Serial.println("sms");
  unsigned long currentMillis = millis();
  if (sms.available()){
    lees_sms();
  }
  else{
    if (currentMillis +8000 < millis()) {
      Serial.println(millis() - currentMillis);
      Serial.println("sms connect");
      connect_to_network();
      
    }
  }
  //Serial.println("sms klaar");
  
  if(log_aan){
    if (currentMillis - previousMillis >= interval) {
      previousMillis = currentMillis;
    
      waarde = "id=";   //id waarmee de arduino zich identificeerd bij de server
      waarde.concat("&T1=");
      waarde.concat(t1);
      waarde.concat("&H1=");
      waarde.concat(h1);
      waarde.concat("&T2=");
      waarde.concat(t2);
      waarde.concat("&H2=");
      waarde.concat(h2);
      waarde.concat("&V1=");
      waarde.concat(vin);
      Serial.println(waarde);
      zend_data();
    }
  }
 
  delay(2000);
}

void lees_sms(){
  Serial.println("Message received from:");
    sms.remoteNumber(remoteNumber, 20);
    Serial.println(remoteNumber);
   
    boolean toegestaan = false;
    for (int dit_nummer = 0; dit_nummer < aantal_nummers; dit_nummer++) {
      Serial.println(toegestaan_nummer[dit_nummer]);
      if(toegestaan_nummer[dit_nummer] == remoteNumber){
        toegestaan = true;
        Serial.println("toegestaan");
      }
    }
    
    if(toegestaan){
      bericht = "";
      while(c=sms.read()){
        bericht.concat(c);
      }
      bericht.toUpperCase();
      Serial.println(bericht);
      //Serial.println(bericht.substring(0,3));
      //Serial.println(bericht.substring(4,7));
      if(bericht.substring(0,3) == "LOG"){
        Serial.println("LOG");
        if(bericht.substring(4,7) == "AAN"){
          Serial.print("LOG AAN");
          log_aan = true;
        }
        if(bericht.substring(4,7) == "UIT"){
           Serial.print("LOG UIT");
           log_aan = false;
        }
      }
      if(bericht.substring(0,4) == "INFO"){
        schrijf_sms();
      }
      if(bericht.substring(0,8) == "INTERVAL"){
        interval = (bericht.substring(9).toInt())*60000;
      }
    }
    sms.flush();
}

void schrijf_sms(){
  sms.beginSMS(remoteNumber);
  sms.print("Log function :");
  sms.println(log_aan);
  sms.print("V1 :");
  sms.println(vin);
  sms.print("T1 :");
  sms.println(t1);
  sms.print("H1 :");
  sms.println(h1);
  sms.print("T2 :");
  sms.println(t2);
  sms.print("H2 :");
  sms.println(h2);
  sms.print("interval :");
  sms.println(interval/60000);
  sms.endSMS();
}