ListaCarCode_ZeroLeft.ino

#define MAX_BITS 100
#define WEIGAND_WAIT_TIME  3000

unsigned char databits[MAX_BITS];
unsigned char bitCount;
unsigned char flagDone;
unsigned long weigand_counter;

unsigned long facilityCode = 0;
unsigned long cardCode = 0;
//----------------------------------------------------------------
void ISR_INT0()
{
  bitCount++;
  flagDone = 0;
  weigand_counter = WEIGAND_WAIT_TIME;
}
//----------------------------------------------------------------
void ISR_INT1()
{
  databits[bitCount] = 1;
  bitCount++;
  flagDone = 0;
  weigand_counter = WEIGAND_WAIT_TIME;
}
//----------------------------------------------------------------
void setup()
{
  pinMode(13, OUTPUT);  // SAIDA DE LED
  pinMode(2, INPUT);     // DATA0 (INT0)
  pinMode(3, INPUT);     // DATA1 (INT1)
  Serial.begin(9600);
  Serial.println("");
  attachInterrupt(0, ISR_INT0, FALLING);
  attachInterrupt(1, ISR_INT1, FALLING);
  weigand_counter = WEIGAND_WAIT_TIME;
}
//----------------------------------------------------------------
void loop()
{
  if (!flagDone)
  {
    if (--weigand_counter == 0)
      flagDone = 1;
  }
  // NÃO USAR
  if (bitCount > 0 && flagDone)
  {
    unsigned char i;
    Serial.print("");
    Serial.print("");
    Serial.print("");
    if (bitCount == 35)
    {
      for (i = 2; i < 14; i++)
      {
        facilityCode <<= 1;
        facilityCode |= databits[i];
      }
      for (i = 14; i < 34; i++)
      {
        cardCode <<= 1;
        cardCode |= databits[i];
      }
      printBits();
    }
    else if (bitCount == 26)
    {
      for (i = 1; i < 9; i++)
      {
        facilityCode <<= 1;
        facilityCode |= databits[i];
      }
      // card code = bits 10 to 23
      for (i = 9; i < 25; i++)
      {
        cardCode <<= 1;
        cardCode |= databits[i];
      }
      printBits();
    }
    else
    {
      Serial.println("");  //SEM ESPAÇO
    }
    bitCount = 0;
    facilityCode = 0;
    cardCode = 0;
    for (i = 0; i < MAX_BITS; i++)
    {
      databits[i] = 0;
    }
  }
}
// NÃO MOSTAR SEPARAÇÃO
//----------------------------------------------------------------
void printBits()
{
  Serial.print("");
  Serial.print(facilityCode);
  Serial.print("");
  //  Serial.println(cardCode);
  String saida = "";
  String minhaStr = (String)cardCode;
  int meuLgh = minhaStr.length();
  for ( int i = 0; i < 5 - meuLgh; i++)
  {
    saida += "0";
  }
  saida += minhaStr;
  Serial.println(saida);
}