replace #define by constexpr
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@@ -26,13 +26,13 @@
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#include <SPI.h>
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#include <MFRC522.h>
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#define RST_PIN 9 // Configurable, see typical pin layout above
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#define SS_PIN 10 // Configurable, see typical pin layout above
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constexpr uint8_t RST_PIN = 9; // Configurable, see typical pin layout above
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constexpr uint8_t SS_PIN = 10; // Configurable, see typical pin layout above
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MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance
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/* Set your new UID here! */
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#define NEW_UID {0xDE, 0xAD, 0xBE, 0xEF}
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byte newUid[] = {0xDE, 0xAD, 0xBE, 0xEF};
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MFRC522::MIFARE_Key key;
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@@ -92,7 +92,6 @@ void loop() {
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// }
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// Set new UID
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byte newUid[] = NEW_UID;
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if ( mfrc522.MIFARE_SetUid(newUid, (byte)4, true) ) {
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Serial.println(F("Wrote new UID to card."));
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}
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