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https://github.com/miguelbalboa/rfid.git
synced 2024-06-08 01:03:01 +03:00
Removed unused variable key from examples
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@ -35,19 +35,12 @@ MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
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/* Set your new UID here! */
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#define NEW_UID {0xDE, 0xAD, 0xBE, 0xEF}
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MFRC522::MIFARE_Key key;
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void setup() {
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Serial.begin(9600); // Initialize serial communications with the PC
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while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
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SPI.begin(); // Init SPI bus
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mfrc522.PCD_Init(); // Init MFRC522 card
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Serial.println(F("Warning: this example overwrites the UID of your UID changeable card, use with care!"));
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// Prepare key - all keys are set to FFFFFFFFFFFFh at chip delivery from the factory.
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for (byte i = 0; i < 6; i++) {
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key.keyByte[i] = 0xFF;
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}
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}
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// Setting the UID can be as simple as this:
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@ -32,19 +32,12 @@
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MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
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MFRC522::MIFARE_Key key;
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void setup() {
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Serial.begin(9600); // Initialize serial communications with the PC
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while (!Serial); // Do nothing if no serial port is opened (added for Arduinos based on ATMEGA32U4)
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SPI.begin(); // Init SPI bus
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mfrc522.PCD_Init(); // Init MFRC522 card
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Serial.println(F("Warning: this example clears your mifare UID, use with care!"));
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// Prepare key - all keys are set to FFFFFFFFFFFFh at chip delivery from the factory.
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for (byte i = 0; i < 6; i++) {
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key.keyByte[i] = 0xFF;
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}
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}
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void loop() {
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@ -37,8 +37,6 @@
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MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.
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MFRC522::MIFARE_Key key;
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volatile bool bNewInt = false;
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byte regVal = 0x7F;
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void activateRec(MFRC522 mfrc522);
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@ -38,8 +38,6 @@
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MFRC522 rfid(SS_PIN, RST_PIN); // Instance of the class
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MFRC522::MIFARE_Key key;
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// Init array that will store new NUID
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byte nuidPICC[4];
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@ -48,13 +46,7 @@ void setup() {
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SPI.begin(); // Init SPI bus
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rfid.PCD_Init(); // Init MFRC522
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for (byte i = 0; i < 6; i++) {
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key.keyByte[i] = 0xFF;
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}
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Serial.println(F("This code scan the MIFARE Classsic NUID."));
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Serial.print(F("Using the following key:"));
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printHex(key.keyByte, MFRC522::MF_KEY_SIZE);
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}
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void loop() {
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