2024-01-19 11:35:21 +01:00
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#include "NfcReader.h"
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2024-01-18 16:57:26 +01:00
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NfcReader::NfcReader(int i2c_adress)
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{
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this->mfrc522 = new MFRC522(i2c_adress);
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this->mfrc522->PCD_Init();
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}
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String NfcReader::ReadNfc()
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{
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this->uid.clear();
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if (!this->mfrc522->PICC_IsNewCardPresent() ||
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!this->mfrc522->PICC_ReadCardSerial()) {
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delay(200);
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return "0";
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}
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for (unsigned int i = 0; i < this->mfrc522->uid.size; i++) {
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if (this->mfrc522->uid.uidByte[i] < 0xF) {
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this->uid += '0';
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this->uid += String(this->mfrc522->uid.uidByte[i], HEX);
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} else {
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this->uid += String(this->mfrc522->uid.uidByte[i], HEX);
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}
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}
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return (this->uid);
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}
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