NanoPi NEO2

• /etc/rc.conf

gpio=YES

• /etc/gpio.conf

gpio0 0 set in b1
gpio0 2 set in b2
gpio0 3 set in b3

• /root/.profile

export PKG_PATH=http://www.invisible.ca/packages/NetBSD/earmv7hf/8.0/All

arm64# rm /etc/localtime
arm64# ln -s /usr/share/zoneinfo/Japan /etc/localtime

armv7# pkg_add git tmux sudo

• gpio.sh

armv7# cat gpio.sh
while true
do
 sysctl -wq hw.led.nanopi_blue_status=`gpioctl -s gpio0 b1`
 sysctl -wq hw.led.nanopi_green_pwr=`gpioctl -s gpio0 b2`
 if [ `gpioctl -s gpio0 b3` -eq 1 ] ; then
  echo "Shutdown button pressed"
  shutdown -h now
 fi
done

• /etc/rc.local

GPIO=/root/gpio.sh     
if [ -x ${GPIO} ]; then       
        echo -n 'GPIO button'
        ${GPIO} &
        echo '.'
fi