#include <AFSoftSerial.h>

int incoming;
int pos=0;	// for incoming serial data
int rfidTag[17];

AFSoftSerial DatalogSerial =  AFSoftSerial(3, 2); //So that RX is Digital Pin 3, TX is Digital Pin 2

boolean done=false;

void setup() {
        Serial.begin(9600);
        //Serial.println("Good to go!"); //for debugging in Serial Monitor
	DatalogSerial.begin (9600);
        delay(10000);
        DatalogSerial.print("IPA");                  // sets the vdip to use ascii numbers
        DatalogSerial.print(13, BYTE);               // return character to tell vdip its end of message
        delay(10000);  //10 seconds to initialise the disk before writing
}

void loop() {
  
    if (Serial.available() > 0) { 
      
    // read the incoming byte:
    incoming = Serial.read();
    rfidTag[pos] = incoming;
    pos++;
    
    if (pos == 16) {
      DatalogSerial.print("opw ");                  // open to write creates a file - named
    DatalogSerial.print("data.txt");                     
    DatalogSerial.print(13, BYTE);                    // return character
    delay(2000);
    
    DatalogSerial.print("wrf 11");               //write to file (file needs to have been opened to write first)
      DatalogSerial.print(13, BYTE);             //return to say command is finished
      delay(2000);
    
      // say what you got:
      for (int i=1; i <= 10; i++) {
        DatalogSerial.print(rfidTag[i], BYTE);
      }
    
      DatalogSerial.print(",");       
      DatalogSerial.print(13, BYTE);    
      delay(3000);

    DatalogSerial.print("clf ");     // it closes the file
    DatalogSerial.print("data.txt");
    DatalogSerial.print(13, BYTE);       // return character
    delay(10000);
    
    Serial.println("done!");
      pos=0;
    }
  }
}