How to communicate with an NFC reader

To use a device with a PN532 in NFCIP mode (P2P) is rather straightforward as is demonstrated
by this library. This document will show you what APDUs to send at which moment as briefly as
possible. See [1,2,3,7] for more detailed information on how everything is supposed to fit together.
This document describes the required commands for the PN532 to communicate in P2P mode. The hardware
I tested this with is the ACS ACR122 [4] with the NXP PN532 chip.

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