diff --git a/examples/ReadNUID/ReadNUID.ino b/examples/ReadNUID/ReadNUID.ino index c5a6fe3..b02b204 100644 --- a/examples/ReadNUID/ReadNUID.ino +++ b/examples/ReadNUID/ReadNUID.ino @@ -1,102 +1,113 @@ /* -Kiara Navarro -sophiekovalevsky arroba fedoraproject.org -www.panamahitek.com -*/ + * -------------------------------------------------------------------------------------------------------------------- + * Example sketch/program showing how to read new NUID from a PICC to serial. + * -------------------------------------------------------------------------------------------------------------------- + * This is a MFRC522 library example; for further details and other examples see: https://github.com/miguelbalboa/rfid + * + * Example sketch/program showing how to the read data from a PICC (that is: a RFID Tag or Card) using a MFRC522 based RFID + * Reader on the Arduino SPI interface. + * + * When the Arduino and the MFRC522 module are connected (see the pin layout below), load this sketch into Arduino IDE + * then verify/compile and upload it. To see the output: use Tools, Serial Monitor of the IDE (hit Ctrl+Shft+M). When + * you present a PICC (that is: a RFID Tag or Card) at reading distance of the MFRC522 Reader/PCD, the serial output + * will show the type, and the NUID if a new card has been detected. Note: you may see "Timeout in communication" messages + * when removing the PICC from reading distance too early. + * + * @license Released into the public domain. + * + * Typical pin layout used: + * ----------------------------------------------------------------------------------------- + * MFRC522 Arduino Arduino Arduino Arduino Arduino + * Reader/PCD Uno Mega Nano v3 Leonardo/Micro Pro Micro + * Signal Pin Pin Pin Pin Pin Pin + * ----------------------------------------------------------------------------------------- + * RST/Reset RST 9 5 D9 RESET/ICSP-5 RST + * SPI SS SDA(SS) 10 53 D10 10 10 + * SPI MOSI MOSI 11 / ICSP-4 51 D11 ICSP-4 16 + * SPI MISO MISO 12 / ICSP-1 50 D12 ICSP-1 14 + * SPI SCK SCK 13 / ICSP-3 52 D13 ICSP-3 15 + */ -/* - Pinaje (MFRC522 hacia Arduino) - MFRC522 pin SDA hacia el pin 10 - MFRC522 pin SCK hacia el pin 13 - MFRC522 pin MOSI hacia el pin 11 - MFRC522 pin MISO hacia el pin 12 - MFRC522 pin GND a tierra - MFRC522 pin RST hacia el pin 9 - MFRC522 pin 3.3V A 3.3. V -*/ - -// Librerías necesarias #include #include -#define SS_PIN 10 // pin SDA hacia el pin 10 -#define RST_PIN 9 // pin RST hacia el pin 9 +#define SS_PIN 10 +#define RST_PIN 9 -MFRC522 rfid(SS_PIN, RST_PIN); // Creo la instancia de la clase MFRC522 +MFRC522 rfid(SS_PIN, RST_PIN); // Instance of the class -MFRC522::MIFARE_Key key; // Crea una estructura de tipo llave +MFRC522::MIFARE_Key key; -// Inicializo vector que almacenará el NUID del PICC +// Init array that will store new NUID byte nuidPICC[3]; void setup() { - Serial.begin(9600); - SPI.begin(); // Inicia el bus de SPI - rfid.PCD_Init(); // Inicia el lector + Serial.begin(9600); + SPI.begin(); // Init SPI bus + rfid.PCD_Init(); // Init MFRC522 - // Carga los valores que vienen por defecto para las llaves A y B - for (byte i = 0; i < 6; i++) { - key.keyByte[i] = 0xFF; - } + for (byte i = 0; i < 6; i++) { + key.keyByte[i] = 0xFF; + } - Serial.println(F("Este código escanea el número de identificación de una tarjeta MIFARE Classic.")); - Serial.print(F("Utilizando la siguiente llave:")); - printHex(key.keyByte, MFRC522::MF_KEY_SIZE); + Serial.println(F("This code scan the MIFARE Classsic NUID.")); + Serial.print(F("Using the following key:")); + printHex(key.keyByte, MFRC522::MF_KEY_SIZE); } void loop() { - // Buscando nuevas tarjetas + // Look for new cards if ( ! rfid.PICC_IsNewCardPresent()) return; - // Verifica si el NUID ha sido leído + // Verify if the NUID has been readed if ( ! rfid.PICC_ReadCardSerial()) return; - Serial.print(F("Tipo de PICC: ")); + Serial.print(F("PICC type: ")); byte piccType = rfid.PICC_GetType(rfid.uid.sak); Serial.println(rfid.PICC_GetTypeName(piccType)); - // Verifica si la tarjeta es de tipo MIFARE Classic + // Check is the PICC of Classic MIFARE type if (piccType != MFRC522::PICC_TYPE_MIFARE_MINI && - piccType != MFRC522::PICC_TYPE_MIFARE_1K && - piccType != MFRC522::PICC_TYPE_MIFARE_4K) { - Serial.println(F("Tu tarjeta no es del tipo MIFARE Classic")); + piccType != MFRC522::PICC_TYPE_MIFARE_1K && + piccType != MFRC522::PICC_TYPE_MIFARE_4K) { + Serial.println(F("Your tag is not of type MIFARE Classic.")); return; } if (rfid.uid.uidByte[0] != nuidPICC[0] || - rfid.uid.uidByte[1] != nuidPICC[1] || - rfid.uid.uidByte[2] != nuidPICC[2] || - rfid.uid.uidByte[3] != nuidPICC[3] ) { - Serial.println(F("Se ha detectado nueva tarjeta")); + rfid.uid.uidByte[1] != nuidPICC[1] || + rfid.uid.uidByte[2] != nuidPICC[2] || + rfid.uid.uidByte[3] != nuidPICC[3] ) { + Serial.println(F("A new card has been detected.")); - // Almacena el NUID en el arreglo nuidPICC - for (byte i = 0; i < 4; i++) { - nuidPICC[i] = rfid.uid.uidByte[i]; - } - - Serial.println(F("Su número no único de identificación es:")); - Serial.print(F("En hexadecimal: ")); - printHex(rfid.uid.uidByte, rfid.uid.size); - Serial.println(); - Serial.print(F("En decimal: ")); - printDec(rfid.uid.uidByte, rfid.uid.size); - Serial.println(); + // Store NUID into nuidPICC array + for (byte i = 0; i < 4; i++) { + nuidPICC[i] = rfid.uid.uidByte[i]; + } + + Serial.println(F("The NUID tag is:")); + Serial.print(F("In hex: ")); + printHex(rfid.uid.uidByte, rfid.uid.size); + Serial.println(); + Serial.print(F("In dec: ")); + printDec(rfid.uid.uidByte, rfid.uid.size); + Serial.println(); } - else Serial.println("Tarjeta leída anteriormente, ingrese otra."); + else Serial.println("Card read previously."); // Halt PICC rfid.PICC_HaltA(); - // Detiene el cifrado en el PCD + // Stop encryption on PCD rfid.PCD_StopCrypto1(); } /** - * Función que ayuda a representar valores hex en el monitor serial + * Helper routine to dump a byte array as hex values to Serial. */ void printHex(byte *buffer, byte bufferSize) { for (byte i = 0; i < bufferSize; i++) { @@ -106,7 +117,7 @@ void printHex(byte *buffer, byte bufferSize) { } /** - * Función que ayuda a representar valores en dec en el monitor serial + * Helper routine to dump a byte array as dec values to Serial. */ void printDec(byte *buffer, byte bufferSize) { for (byte i = 0; i < bufferSize; i++) {