/*
* RFID Loop
* by Alexander Reeder, Nov 16, 2007
* Modified by Brian Riley  January 2008
*/
#define RESETLEDPin  13
#define RESETPIN     2

char val = 0;


void setup() {
    Serial.begin(9600); // connect to the serial port
    pinMode(RESETPIN, OUTPUT);    // sets the digital pin as output
    pinMode(RESETLEDPin, OUTPUT);    // sets the digital pin as output

}

void loop () {

    char IDstring[13];
    int  i;
    digitalWrite(RESETLEDPin, LOW);  // Shut off LED
    digitalWrite(RESETPIN, HIGH);    // pull up Reset line   


    if (Serial.available() > 0 ) {
      if ( (val = Serial.read()) == 02 ) {    // look for Start Of Text marker
        Serial.print("[SOT] ");
                                              // read until you get End Of Text
        for ( i = 0; (val = Serial.read()) != 03 ; i++) {
          Serial.print(val, HEX);
          Serial.print(" ");
          IDstring[i] = val;
        }
        Serial.println("[EOT]");
        Serial.println();
        Serial.print("  IDString[");
        IDstring[10] = 0x00;        // tie off IDstring at the CR-LF
        Serial.print(IDstring);
        Serial.println("] ");
        Serial.println();
        resetID12();                // reset after a valid read
      }
    }
 
}

void resetID12()
{
        digitalWrite(RESETLEDPin, HIGH);   // show reset by lighting LED
        digitalWrite(RESETPIN, LOW);       // pull reset down
//        Serial.println("- reset -");
        delay(100);    
  
}