EDB_Simple.ino

/*
 EDB_Simple.pde
 Extended Database Library + Internal Arduino EEPROM Demo Sketch 
 
 The Extended Database library project page is here:
 http://www.arduino.cc/playground/Code/ExtendedDatabaseLibrary
 
 */
#include "Arduino.h"
#include <EDB.h>

// Use the Internal Arduino EEPROM as storage
#include <EEPROM.h>

// Uncomment the line appropriate for your platform
#define TABLE_SIZE 512 // Arduino 168 or greater

// The number of demo records that should be created.  This should be less 
// than (TABLE_SIZE - sizeof(EDB_Header)) / sizeof(LogEvent).  If it is higher, 
// operations will return EDB_OUT_OF_RANGE for all records outside the usable range.
#define RECORDS_TO_CREATE 10

// Arbitrary record definition for this table.  
// This should be modified to reflect your record needs.
struct LogEvent {
  int id;
  int temperature;
} 
logEvent;

// The read and write handlers for using the EEPROM Library
void writer(unsigned long address, byte data)
{
  EEPROM.write(address, data);
}

byte reader(unsigned long address)
{
  return EEPROM.read(address);
}

// Create an EDB object with the appropriate write and read handlers
EDB db(&writer, &reader);

void setup()
{
  Serial.begin(9600);
  Serial.println("Extended Database Library + Arduino Internal EEPROM Demo");
  Serial.println();

  db.create(0, TABLE_SIZE, sizeof(logEvent));

  Serial.print("Record Count: "); Serial.println(db.count());

  Serial.println("Creating Records...");
  int recno;
  for (recno = 1; recno <= RECORDS_TO_CREATE; recno++)
  {
    logEvent.id = recno; 
    logEvent.temperature = recno * 2;
    db.appendRec(EDB_REC logEvent);
  }

  Serial.print("Record Count: "); Serial.println(db.count());
  // Thanks to katts0...@gmail.com for the next line
  for (recno = 1; recno <= RECORDS_TO_CREATE; recno++)
  {
    db.readRec(recno, EDB_REC logEvent);
    Serial.print("ID: "); Serial.println(logEvent.id);
    Serial.print("Temp: "); Serial.println(logEvent.temperature);   
  }
}

void loop()
{
}