Running TEST_ANTENNA_CMD on PN553

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Running TEST_ANTENNA_CMD on PN553

85 Views
Contributor I

Hi All,

We are using the PN553 for NFC with a qualcomm device host running android pie.

For our emission testing, we want to run the Switch RF Field test of the TEST_ANTENNA_CMD. But when we run the command sequence for the test we dont see the RF going on full transmit power.

The following are the commands we execute and their response -

CMD_RESET_NCI
20 0 1 0
RSP: 40 0 3 0 10 0

CMD_NCI_PROPRIETARY (enable proprietary cmd)
2f 2 0
RSP: 4f 2 1 6

CMD_SET_POWER_MODE (Disable standby)
2f 0 1 0
RSP: 4f 0 1 6

TEST_ANTENNA_CMD (RF ON)
2f 3d 5 20 1 0 0 0
RSP: 4f 3d 1 6

Has anyone run this test successfully? Is there any thing we are missing here?

Any help appreciated.

Regards,

Ashwat

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32 Views
NXP TechSupport
NXP TechSupport

Hello Ashwat,

NCI specification mandates the two commands CORE_RESET_CMD then CORE_INIT_CMD been exchange prior to any other command. Otherwise NFC Controller answers with error STATUS_SEMANTIC_ERROR. You might have noticed the last three commands all response with STATUS_SEMANTIC_ERROR(06h) in the end.

Hope that helps,

Have a great day,
Kan


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21 Views
Contributor I

Hi Kan,

Thanks for your response.

We corrected the command sequence and got the following responses -

20 00 01 01;
40 00 03 00 10 01

20 01 00;
40 01 19 00 03 0E 02 00 08 00 01 02 03 80 82 83 84 02 5C 03 FF 02 00 04 41 11 01 18

20 03 03 01 A0 B1;
40 03 07 00 01 A0 B1 02 30 02

2f 00 01 00;
4F 00 01 00

2f 3d 02 20 01;
4F 3D 05 00 AA BB CC DD

We still dont see the PN553 sending continuous RF transmission. Are we missing anything in the sequencce above?

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