Hello guys,
I got an RFID Card kit from Ebay: http://www.ebay.com/itm/Mifare-RC522-Card-Read-Antenna-RF-Module-RFID-Reader-IC-Card-Proximity-Module-/400447291624
I'm using the Arduino UNO from SainSmart.
I got started and found some working code to read some data from the card, but I can't seem to find a sample code for writing to the card.
This some sample output from the serial monitor:
Try the most used default keys to print block 0 of a MIFARE PICC
Card UID: 4C 0D F7 84 PICC type: MIFARE 1KB
Success: key FFFFFFFFFFFF Block 0 : 4C 0D F7 84 32 88 04 00 85 00 00 00 04 13 45 01
code:
/* Try the most used default keys in
* https://code.google.com/p/mfcuk/wiki/MifareClassicDefaultKeys
* to dump block 0 of a MIFARE RFID card using a RFID-RC522 reader
* Uses MFRC522 - Library to use ARDUINO RFID MODULE KIT 13.56 MHZ WITH TAGS SPI W AND R BY COOQROBOT.
-----------------------------------------------------------------------------
* Pin layout should be as follows:
* Signal Pin Pin Pin
* Arduino Uno Arduino Mega MFRC522 board
* ------------------------------------------------------------
* Reset 9 5 RST
* SPI SS 10 53 SDA
* SPI MOSI 11 52 MOSI
* SPI MISO 12 51 MISO
* SPI SCK 13 50 SCK
*
* Hardware required:
* Arduino
* PCD (Proximity Coupling Device): NXP MFRC522 Contactless Reader IC
* PICC (Proximity Integrated Circuit Card): A card or tag using the ISO 14443A interface, eg Mifare or NTAG203.
* The reader can be found on eBay for around 5 dollars. Search for "mf-rc522" on ebay.com.
*/
#include <SPI.h>
#include <MFRC522.h>
#define SS_PIN 10 //Arduino Uno
#define RST_PIN 9
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.
void setup() {
Serial.begin(9600); // Initialize serial communications with the PC
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522 card
Serial.println("Try the most used default keys to print block 0 of a MIFARE PICC ");
}
void try_key(MFRC522::MIFARE_Key *key)
{
// try with the supplied key
byte buffer[18];
byte block = 0;
byte status;
//Serial.println("Authenticating using key A...");
status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) {
// Serial.print("PCD_Authenticate() failed: ");
// Serial.println(mfrc522.GetStatusCodeName(status));
return;
}
// Read block
byte byteCount = sizeof(buffer);
status = mfrc522.MIFARE_Read(block, buffer, &byteCount);
if (status != MFRC522::STATUS_OK) {
// Serial.print("MIFARE_Read() failed: ");
// Serial.println(mfrc522.GetStatusCodeName(status));
}
else // Dump data
{
Serial.print("Success: key ");
for (byte i = 0; i < 6; i++) Serial.print((*key).keyByte[i], HEX);
Serial.print(" Block 0 : ");
for (byte index = 0; index < 16; index++) {
Serial.print(buffer[index] < 0x10 ? " 0" : " ");
Serial.print(buffer[index], HEX);
if ((index % 4) == 3) Serial.print(" ");
}
}
Serial.println(" ");
mfrc522.PICC_HaltA(); // Halt PICC
mfrc522.PCD_StopCrypto1(); // Stop encryption on PCD
}
void loop() {
// Prepare key - all keys are set to FFFFFFFFFFFFh at chip delivery from the factory.
MFRC522::MIFARE_Key k;
// Look for new cards
if ( ! mfrc522.PICC_IsNewCardPresent()) return;
// Select one of the cards
if ( ! mfrc522.PICC_ReadCardSerial()) return;
Serial.print("Card UID:"); //Dump UID
for (byte i = 0; i < mfrc522.uid.size; i++) {
Serial.print(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " ");
Serial.print(mfrc522.uid.uidByte[i], HEX);
}
Serial.print(" PICC type: "); // Dump PICC type
byte piccType = mfrc522.PICC_GetType(mfrc522.uid.sak);
Serial.println(mfrc522.PICC_GetTypeName(piccType));
// Trying FFFFFFFFFFFF
for (byte i = 0; i < 6; i++) k.keyByte[i] = 0xFF;
try_key(&k);
// Trying A0A1A2A3A4A5
k.keyByte[0] = 0xA0; k.keyByte[1] = 0xA1; k.keyByte[2] = 0xA2; k.keyByte[3] = 0xA3; k.keyByte[4] = 0xA4; k.keyByte[5] = 0xA5;
try_key(&k);
// Trying B0B1B2B3B4B5
k.keyByte[0] = 0xB0; k.keyByte[1] = 0xB1; k.keyByte[2] = 0xB2; k.keyByte[3] = 0xB3; k.keyByte[4] = 0xB4; k.keyByte[5] = 0xB5;
try_key(&k);
// Trying 000000000000
k.keyByte[0] = 0x00; k.keyByte[1] = 0x00; k.keyByte[2] = 0x00; k.keyByte[3] = 0x00; k.keyByte[4] = 0x00; k.keyByte[5] = 0x00;
try_key(&k);
// Trying 4d3a99c351dd
k.keyByte[0] = 0x04d; k.keyByte[1] = 0x3a; k.keyByte[2] = 0x99; k.keyByte[3] = 0xc3; k.keyByte[4] = 0x51; k.keyByte[5] = 0xdd;
try_key(&k);
// Trying 1a982c7e459a
k.keyByte[0] = 0x1a; k.keyByte[1] = 0x98; k.keyByte[2] = 0x2c; k.keyByte[3] = 0x7e; k.keyByte[4] = 0x45; k.keyByte[5] = 0x9a;
try_key(&k);
// Trying d3f7d3f7d3f7
k.keyByte[0] = 0xd3; k.keyByte[1] = 0xf7; k.keyByte[2] = 0xd3; k.keyByte[3] = 0xf7; k.keyByte[4] = 0xd3; k.keyByte[5] = 0xf7;
try_key(&k);
// Trying aabbccddeeff
k.keyByte[0] = 0xaa; k.keyByte[1] = 0xbb; k.keyByte[2] = 0xcc; k.keyByte[3] = 0xdd; k.keyByte[4] = 0xee; k.keyByte[5] = 0xff;
try_key(&k);
}