Init version of NFC (Adafruit PN532 Breakout Board) control code
Init version of NFC (Adafruit PN532 Breakout Board) control code

Supported functionality:
- An infinite loop to detect PHILIPS mifare card 'approaching (< 7cm)' or 'leaving'
- Publish humix event (humix.sense.detect.event) to local gnatsd server
- Read NDEF payload on card (currently commented)

project-humix/humix-sense-nfc,project-humix/humix-sense-nfc