Files

45 lines
1011 B
C++

#include "RFID.h"
RFIDReader::RFIDReader(int ssPin, int rstPin)
: _rfid(ssPin, rstPin) {}
void RFIDReader::begin() {
SPI.begin();
_rfid.PCD_Init();
}
bool RFIDReader::check() {
if (!_rfid.PICC_IsNewCardPresent()) return false;
if (!_rfid.PICC_ReadCardSerial()) return false;
return true;
}
void RFIDReader::reset() {
_rfid.PICC_HaltA();
_rfid.PCD_StopCrypto1();
}
bool RFIDReader::matches(const byte* expectedUid, byte expectedSize) const {
if (_rfid.uid.size != expectedSize) return false;
for (byte i = 0; i < expectedSize; ++i) {
if (_rfid.uid.uidByte[i] != expectedUid[i]) return false;
}
return true;
}
void RFIDReader::printUID() const {
Serial.println(F("RFID Tag UID:"));
for (byte i = 0; i < _rfid.uid.size; i++) {
Serial.print(_rfid.uid.uidByte[i] < 0x10 ? " 0" : " ");
Serial.print(_rfid.uid.uidByte[i], HEX);
}
}
const byte* RFIDReader::getUID() const {
return _rfid.uid.uidByte;
}
byte RFIDReader::getUIDSize() const {
return _rfid.uid.size;
}