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controlling an OM5578

Question asked by brisk richard on May 7, 2019
Latest reply on May 16, 2019 by brisk richard

I am using NXP code to control an OM5578 from an LPC11U24. It works well.

I have reviewed the code and it has taught me that sending the byte pattern
uint8_t Buff[] = {33, 3, 19, 9, 0, 1, 0x02, 0x01, 0x01, 0x01, 0x06, 0x01, 0x03, 0x01, 128, 0x01, 130, 0x01, 131, 0x01, 133, 0x01};
to the OM puts it in the mode that detects a RFID Tag by generating RF for about 10ms then listening for about 500ms.

But, I don’t want to use that detection mode. I want to detects a Tag by setting the OM in the mode that creates an interrupt when it notices an impedance change in its antenna.

I am hoping you can tell me (or direct me to) the specific pattern of bytes that will put the OM into this other Tag detection mode.

Richard Brisk