#include <SPI.h>
#include <Ethernet.h>
#include <Keypad.h>
#include <LiquidCrystal.h>

// difinicio de variable globals

// PROTOTIP - CLIENT

LiquidCrystal lcd(7, 6, 5, 4, 3, 2);

// Define the Keymap

const byte ROWS = 4; // Four rows
const byte COLS = 4; // Three columns

char keys[ROWS][COLS] = {
  {
    '1','2','3','A'                                          }
  ,
  {
    '4','5','6','B'                                          }
  ,
  {
    '7','8','9','C'                                          }
  ,
  {
    '*','0','#','D'                                          }
};


byte rowPins[ROWS] = {
  17, 16, 15, 14}; //connect to the row pinouts of the keypad
byte colPins[COLS] = {
  8, 9, 19, 18}; //connect to the column pinouts of the keypad

Keypad customKeypad = Keypad( makeKeymap(keys), rowPins, colPins, ROWS, COLS); 

// codi del lector
char codigo_lector[5] = "1234";

// claus encriptacio predeterminades
byte keySslServer = 0x12;
byte keySslClient = 0x13;


char* peticions[] = {
  "ping","init", "baja", "oper", "cobro", "saldo"};


//Configuracion de Red

// MAC
byte mac_lector[] = { 
  0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; // mac del prototip
// SERVIDOR
char serverHostname[] = "kn.sofiethic.org"; // nom de domini del servidor
//const char* serverHostname = "kn.sofiethic.org"; // nom de domini del servidor
// client http pel lector
EthernetClient cliente_lector;


// funcio d'inicialitzacio
void setup()
{

  Serial.begin(9600);
  lcd.begin(16, 2);

  Serial.println("SETUP: Attempting to obtain a DHCP lease...");
  lcd.print("DHCP lease...");

  while ( !Ethernet.begin(mac_lector) )
    Serial.println("Failed to configure Ethernet using DHCP");
  
  // print your local IP address:
  Serial.print("My IP address: ");
  for (byte thisByte = 0; thisByte < 4; thisByte++) {
    // print the value of each byte of the IP address:
    Serial.print(Ethernet.localIP()[thisByte], DEC);
    Serial.print("."); 
  }
  Serial.println();

  lcd.clear();
  lcd.print("I ");
  lcd.print(Ethernet.localIP());
  lcd.setCursor(0,1);
  lcd.print("Press key *ABCD");

  int result = memoryTest();
  Serial.print("Memory test results: ");
  Serial.print(result,DEC);
  Serial.println(" bytes free");

}


void loop()
{

  char key = customKeypad.getKey();

  if (key != NO_KEY) {
    //Serial.println(key);
    keypadEvent(key);
  }


}