NCI_RF_INTF_ACTIVATED_NTF corrupted

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NCI_RF_INTF_ACTIVATED_NTF corrupted

366 Views
anthony_asteris
Contributor I

When testing with PN7150, with tag moving in and out of field...

A NCI_RF_INTF_ACTIVATED_NTF message was received with invalid data:

61 05 15 01 FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF FF

Followed by an odd NCI message:

06 06 FF 01 0A 00 00 FF FF .. FF

What is this second message?  Is it safe to ignore this type of issue?  

Here are the I2C operations 

Setup Read to [0x51] + ACK
0x61 + ACK
0x05 + ACK
0x15 + NAK
Setup Read to [0x51] + ACK
0x01 + ACK
0x00 + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + NAK
Setup Read to [0x51] + ACK
0x06 + ACK
0x06 + ACK
0xFF + NAK
Setup Read to [0x51] + ACK
0x01 + ACK
0x0A + ACK
0x00 + ACK
0x00 + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + ACK
0xFF + NAK

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290 Views
Kan_Li
NXP TechSupport
NXP TechSupport

The first message is an error message, which means "Index was outside the bounds of the array."

The second message is a data packet, the connection Id is 0x06, the length is 255(0xFF), and the payload starts with 0x01 in this case.

Hope that helps,


Have a great day,
Kan

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