libs/RFID.MFRC522
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Update rfid_default_keys.ino (#268)

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try to change the order of the known keys and meet the bug described at http://arduino.stackexchange.com/a/14316
This commit is contained in:
Anton Yablokov
2017-01-03 00:00:17 +04:00
committed by Rotzbua
parent d482061e96
commit 1ea6406f35
1 changed files with 5 additions and 0 deletions
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5
examples/rfid_default_keys/rfid_default_keys.ino
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@@ -82,6 +82,11 @@ boolean try_key(MFRC522::MIFARE_Key *key)
byte block = 0; byte block = 0;
MFRC522::StatusCode status; MFRC522::StatusCode status;
// http://arduino.stackexchange.com/a/14316
if ( ! mfrc522.PICC_IsNewCardPresent())
return false;
if ( ! mfrc522.PICC_ReadCardSerial())
return false;
// Serial.println(F("Authenticating using key A...")); // Serial.println(F("Authenticating using key A..."));
status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, key, &(mfrc522.uid)); status = mfrc522.PCD_Authenticate(MFRC522::PICC_CMD_MF_AUTH_KEY_A, block, key, &(mfrc522.uid));
if (status != MFRC522::STATUS_OK) { if (status != MFRC522::STATUS_OK) {