Test 18102012

/* ===============================
*  Bismillahirrohmanirrohim
*  Agrieye Arduino System
*  Author: andrew@ugm.ac.id
*  Created : Fall October 2012
*  Version : REV 00.2
*  ==============================
*/

// LIBRARY
#include <SD.h>
#include <Ethernet.h>
#include <TextFinder.h>

// rtc lib
/*
#include <RTClib.h>
#include <SPI.h>
#include <Wire.h>
#include <RTC_DS3234.h>
*/

// pin definition
#define S1 A0
#define ACT1 5
#define LAMP 9

// SPI bus pin definition
#define SDS 4
#define RTCS 8
#define ETHS 10

/*
// progmem for avoid spurious warning in RTC
#undef PROGMEM
#define PROGMEM __attribute__(( section(".progmem.data") ))
#undef PSTR
#define PSTR(s) (__extension__({static prog_char __c[] PROGMEM = (s); &__c[0];}))

// Create an RTC instance, RTC in pin 8
RTC_DS3234 RTC(RTCS);
*/
// Syste Variable
File myFile;                  // SD file
int ave1;                     // avreaging variable
char filename[] = "L000.CSV";  // INIT LOCAL FILE NAME

// ==== CONFIGURABLE FROM SDCARD == //
int LOCATION_ID = 1;         // CONF 9
int DELAY_READ  = 1;         // CONF 10 (MIN)
int NSTEP = 4 ;              // CONF 11
int CHECK_SETTING = 5;       // CONF 12 (MIN)
int LOWER_LIMIT = 100;       // CONF 14 (VAL)
int ACT_PERIOD = 3;         // CONF 15 (SECOND)
// ==== END OF CONFIGURABLE PARAMS== //

// TIMER MILLIS
unsigned long lastReading, periodRead;
unsigned long lastCheck, periodCheck;

// pump flag notification
boolean lastConnected = false;
boolean ledState = 0;
int countAct = 0;

// NETWORK SETTINGS
byte mac[] = { 0x90, 0xA2, 0xDA, 0x00, 0x92, 0x5A };
byte ip[] = { 192, 168, 11, 221 };
byte dnsGw[] = { 192, 168, 11, 1 };
char remoteServer[] = "agrieye.host22.com";
IPAddress netmask(255,255,255,0);
EthernetClient client;
TextFinder finder (client);

/// ========== SETUP ======== ///
void setup() {
  Serial.begin(9600);

  //SPI.begin();
  //RTC.begin();

  // i/o pin definiton
  pinMode(S1, INPUT);
  pinMode(ACT1, OUTPUT);
  pinMode(LAMP, OUTPUT);


  //pinMode(SDS, OUTPUT);

  //setup sd card
  sdCardSetup();

  // filename  generator from 0 - 999
  for(uint8_t i = 0; i < 1000 ; i++) {
      uint8_t j = i/10;
      filename[1] = j/10 + '0';
      filename[2] = j%10 + '0';
      filename[3] = i%10 + '0';
      if(!SD.exists(filename)) {
        break;
      }
  }

  // start the Ethernet connection:
  networkSetup();
   /*
  // adjust the RTC
  if (!RTC.isrunning()) {
    Serial.println("Not Running!");
    // following line sets the RTC to the date & time this sketch was compiled
    RTC.adjust(DateTime(__DATE__, __TIME__));
  } */

}
/// ====== END OF SETUP ====== ///


/// ====== LOOP SECTION ====== ///
void loop() {
  // timer rtc
  //DateTime now = RTC.now();

  if (client.available())
    {
    char c = client.read();
    Serial.print(c);
    }

  if(!client.connected() && lastConnected)
    {
    Serial.println("disc");
    client.stop();
    }

  // 1. READING SENSOR
  unsigned long timerReading = millis();
  periodRead = DELAY_READ;
  periodRead = periodRead*15*1000;
  if(timerReading - lastReading > periodRead) {
    lastReading = timerReading;

    // turn on the lamp
    //digitalWrite(LAMP, HIGH);
    // read the sensor
    readSensor();

    // sending data to server
    if(!sendServer()) {
      // store data in sdcard
      Serial.print("file:");
      Serial.println(filename);

      //digitalWrite(SDS, LOW);
      //sdCardSetup();

      // open files and write it
      myFile = SD.open(filename, FILE_WRITE);
      if(myFile) {
        /*
        myFile.print(now.year(), DEC);
        myFile.print('/');
        myFile.print(now.month(), DEC);
        myFile.print('/');
        myFile.print(now.day(), DEC);
        myFile.print(' ');
        myFile.print(now.hour(), DEC);
        myFile.print(':');
        myFile.print(now.minute(), DEC);
        myFile.print(':');
        myFile.print(now.second(), DEC);
        myFile.print(",");
        */
        myFile.print(LOCATION_ID);
        myFile.print(",");
        myFile.print(ave1);
        myFile.print(",0,0,0,0,0");
        myFile.print(",");
        myFile.println(ledState);
        myFile.close();
        Serial.println("svd");

        //digitalWrite(SDS, HIGH);
      }
      else {
        Serial.println("err");
        myFile.close();
      }
    } else {
    // flaglastConnected
    lastConnected = client.connected();
    }

    // turn on the lamp
    digitalWrite(LAMP, LOW);
  }

   // status connection
   lastConnected = client.connected();
}


/// ========== Method and Function ========== //
// SDCARD SETUP METHOD
void sdCardSetup() {
  Serial.print("SD ");
  pinMode(10, OUTPUT);
  if(!SD.begin(4)) {
    Serial.println("x");
    digitalWrite(LAMP,HIGH);
  } else {
    Serial.println("ok");
  }
}

// NETWORK SETUP
void networkSetup() {
  Serial.print("Net ");
  Serial.println("defc");
  Ethernet.begin(mac, ip, dnsGw, dnsGw, netmask);
}

// READSENSOR METHOD
void readSensor() {
  // Turn on lamp, for indicator
  Serial.print("re ");
  // reset teh ave value to 0
  ave1 = 0;

  // read each pin with n step
  for(int i=1; i<= NSTEP; i++)
    {
    // accumulate value or each sensor
    ave1 +=  analogRead(S1);
    }
  // averging data section
  Serial.print("av ");
  ave1 = ave1/NSTEP;
}

// SENDING DATA TO SERVER
boolean sendServer() {
   if(client.connect(remoteServer, 80)) {
      Serial.print("sn ");
      // make http request
      client.print("GET /feed/api.php?lid=");
      client.print(LOCATION_ID);
      client.print("&s1=");
      client.print(ave1);
      client.print("&s2=0&s3=0&s4=0&s5=0&s6=0&status=");
     client.print(ledState);
     client.print(" HTTP/1.1\n");
     client.print("Host: agrieye.host22.com\n");
     client.println("Connection: close");
     client.println();
     Serial.println("ok");
     return true;
   } else {
     Serial.println("x");
     lastConnected = client.connected();
     client.stop();
     return false;
   }
}