Android, NFC.

Turn ON NFC

# service call nfc 6

Turn OFF NFC

# service call nfc 5

Turn ON Anntenna ( Default is ON )

# echo 177 > /sys/class/gpio/export

# echo out > /sys/class/gpio/gpio177/direction

NFC test

# logcat BrcmNfcJni:D | grep 'nfc type='

(nfc tag碰觸，console 會出現以下, 或類似關鍵字出現)

D/BrcmNfcJni(  595): NfcTag::discoverTechnologies (activation): index=0; tech=1; handle=1; nfc type=2

Clear NFC Log

# logcat -c