semaf/MFRC522_I2C_Library
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Semaf Electronics
2021-05-01 00:06:41 +02:00
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parent 9a2593d7d5
commit afa62fd380
1 changed files with 1 additions and 1 deletions
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src/MFRC522_I2C.cpp
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@ -815,7 +815,7 @@ byte MFRC522::PCD_Authenticate(byte command, ///< PICC_CMD_MF_AUTH_KEY_A or PIC
for (byte i = 0; i < MF_KEY_SIZE; i++) { // 6 key bytes
sendData[2+i] = key->keyByte[i];
}
for (byte i = 0; i < 4; i++) { // The first 4 bytes of the UID
for (byte i = 0; i < 4; i++) { // The last 4 bytes of the UID
sendData[8+i] = uid->uidByte[i+uid->size-4];
}