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only accept new rfid id

This commit is contained in:
Stefan Ostermann 2023-12-02 17:04:46 +01:00
parent a07889e5ca
commit 5814a73f50
1 changed files with 8 additions and 1 deletions
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9
src/main.cpp
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@ -376,9 +376,16 @@ void IRAM_ATTR rfid_interrupt()
void readRFID()
{
rfid.PICC_ReadCardSerial();
String newUid = getRFIDString(rfid.uid.uidByte);
if (newUid==lastUid) {
return;
}
lastUid = newUid;
Serial.print("Card UID: ");
lastUid = getRFIDString(rfid.uid.uidByte);
Serial.println(lastUid);
//rfid.PICC_DumpDetailsToSerial(&(rfid.uid));