"NXP PN7160 example code" has bug : it can't display all of NDEF datas.

BruceChang — Mon, 05 Jun 2023 01:18:24 GMT

My Tag had write data(ABCDEFGHIJKLMNOPQRSTUVWXYZ123456).

Use NXP Taginfo APP can display all of data, please check attached file : NXP_TagInfo.jpg

The example code read data as below and it is lose data (56).

---------------------------------------------------------------------------

Running the NXP-NCI2.0 example.

WAITING FOR DEVICE DISCOVERY

- POLL MODE: Remote T2T activated

SENS_RES = 0x44 0x0

NFCID = 04 70 1d a2 a5 70 80

SEL_RES = 0x0

--- NDEF record received:

Text record: ABCDEFGHIJKLMNOPQRSTUVWXYZ1234

CARD REMOVED

WAITING FOR DEVICE DISCOVERY

---------------------------------------------------------------------------

When I add more debug message, the lose data is include from [Answer] as below :

Running the NXP-NCI2.0 example.

WAITING FOR DEVICE DISCOVERY

- POLL MODE: Remote T2T activated

SENS_RES = 0x44 0x0

NFCID = 04 70 1d a2 a5 70 80

SEL_RES = 0x0

---------- static void NxpNci_ReadNdef(NxpNci_RfIntf_t RfIntf) ---------- Start

1. Cmd : 00 00 00 00 00 00 00 00 02 00

2. Answer : 00 00 11 55 56 57 58 59 5a 31 32 33 34 35 36 00 00 00 00 00 34 35 36 00 00 00 00 00 00 00 ...

3. Cmd : 00 00 02 30 03 00 00 00 02 00 00 00

4. Answer : 60 06 03 01 00 01 58 59 5a 31 32 33 34 35 36 00

5. Answer : 00 00 11 e1 10 12 00 03 28 c1 01 00 00 00 25 54 02 65 6e 00 34 35 36 00 00 00 00 00 00 00 ...

1. Cmd : 00 00 02 30 03 00 00 00 02 00 00 00

2. Answer : 00 00 11 e1 10 12 00 03 28 c1 01 00 00 00 25 54 02 65 6e 00 34 35 36 00 00 00 00 00 00 00 ...

3. Cmd : 00 00 02 30 04 00 00 00 02 00 00 00

4. Answer : 60 06 03 01 00 01 00 03 28 c1 01 00 00 00 25 54

5. Answer : 00 00 11 03 28 c1 01 00 00 00 25 54 02 65 6e 41 42 43 44 00 34 35 36 00 00 00 00 00 00 00 ...

1. Cmd : 00 00 02 30 04 00 00 00 02 00 00 00

2. Answer : 00 00 11 03 28 c1 01 00 00 00 25 54 02 65 6e 41 42 43 44 00 34 35 36 00 00 00 00 00 00 00 ...

3. Cmd : 00 00 02 30 08 00 00 00 02 00 00 00

4. Answer : 60 06 03 01 00 01 01 00 00 00 25 54 02 65 6e 41

5. Answer : 00 00 11 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 00 34 35 36 00 00 00 00 00 00 00 ...

1. Cmd : 00 00 02 30 08 00 00 00 02 00 00 00

2. Answer : 00 00 11 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 00 34 35 36 00 00 00 00 00 00 00 ...

3. Cmd : 00 00 02 30 0c 00 00 00 02 00 00 00

4. Answer : 60 06 03 01 00 01 48 49 4a 4b 4c 4d 4e 4f 50 51

5. Answer : 00 00 11 55 56 57 58 59 5a 31 32 33 34 35 36 00 00 00 00 00 34 35 36 00 00 00 00 00 00 00 ...

1. Cmd : 00 00 02 30 0c 00 00 00 02 00 00 00

2. Answer : 00 00 11 55 56 57 58 59 5a 31 32 33 34 35 36 00 00 00 00 00 34 35 36 00 00 00 00 00 00 00 ...

---------- void NdefPull_Cb(unsigned char *pNdefMessage, unsigned short ReceivedSize, unsigned int NdefMessageSize) ---------- Start

--- NDEF record received:

NdefRecord.recordPayload : 2 65 6e 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 31 32 33 34 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Text record: ABCDEFGHIJKLMNOPQRSTUVWXYZ1234

---------- void NdefPull_Cb(unsigned char *pNdefMessage, unsigned short ReceivedSize, unsigned int NdefMessageSize) ---------- End

---------- static void NxpNci_ReadNdef(NxpNci_RfIntf_t RfIntf) ---------- End

CARD REMOVED

WAITING FOR DEVICE DISCOVERY

I don't understand how it concatenates all the data and then loses the last two?

Some one can help for this bug ?

Thanks

Re: "NXP PN7160 example code" has bug : it can't display all of NDEF datas.

danielchen — Tue, 06 Jun 2023 14:57:38 GMT

Hi @BruceChang

Which example you are using?

Regards

Daniel

Re: "NXP PN7160 example code" has bug : it can't display all of NDEF datas.

BruceChang — Wed, 07 Jun 2023 04:43:22 GMT

The software : SW6705.zip download from NXP webside (NXP-NCI2.0_LPC82x_examples)

The hardware : LPCXpresso824-MAX board + PN7160 evaluation board

topic Re: "NXP PN7160 example code" has bug : it can't display all of NDEF datas. in LPC Microcontrollers

"NXP PN7160 example code" has bug : it can't display all of NDEF datas.

Re: "NXP PN7160 example code" has bug : it can't display all of NDEF datas.

Re: "NXP PN7160 example code" has bug : it can't display all of NDEF datas.