• Hi Gordon,

    I tried this solution, but I got some problems. I gonna attach these problems here. Could you please try again to help me? I'm using the STM32F4 Cortex M4. Thank you!

    Uncaught Error: SW Timeout 0
    at line 157 col 48
    if (!timeout) throw new Error("SW Timeout "+n);

    in function "MFRC522_ToCard" called from line 183 col 54
    var r = this.MFRC522_ToCard(PCD.TRANSCEIVE, TagType);

    in function "MFRC522_Request" called from line 315 col 41
    var r = this.MFRC522_Request(PICC.REQIDL);

    in function "write" called from line 340 col 29
    nfc.write(8,"This is a test");

    Uncaught Error: SW Timeout 0
    at line 157 col 48
    if (!timeout) throw new Error("SW Timeout "+n);

    in function "MFRC522_ToCard" called from line 183 col 54
    var r = this.MFRC522_ToCard(PCD.TRANSCEIVE, TagType);

    in function "MFRC522_Request" called from line 300 col 41
    var r = this.MFRC522_Request(PICC.REQIDL);

    in function "read" called from line 342 col 43
    print(JSON.stringify(E.toString(nfc.read­(8))));

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