Android, ADB push & pull file.

PUSH / PC to Android
Copy file from PC to Android through ADB shell.
    Syntax | PC C:\ADB\adb push  source_PC_filePath  destination_Android_ filePath
    example: adb push w200b\02-video\color2-green.mp4 data/worktmp

PULL / Android to PC
Copy file from Android to PC through ADB shell.
    Syntax | PC C:\ADB\adb pull source_Android_filePath destination_PC_filePath
    example: adb pull data/worktmp/SoundRecord.png w200b

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