rc.local for booking up a Quectel GPS chip with assisted GPS data

rc.local

stty -F /dev/ttyAMA0 raw speed 115200;
# clone from https://github.com/f5eng/mt3339-utils
/home/pi/mt3339-utils/gpsinit -f /home/pi/mt3339-utils/gpsinit.conf /dev/ttyAMA0 ;

if ifconfig -a | grep --quiet wlan0; then
  echo wlan exists, wait to load epo;
while ! ping -c 1 -W 1 8.8.8.8; do
    echo "Waiting for 8.8.8.8 - network interface might be down..."
    sleep 1
done
ntpdate -d -t 5 au.pool.ntp.org;

/home/pi/mt3339-utils/eporetrieve MTK30.EPO /etc/MTK30.EPO ;
/home/pi/mt3339-utils/eporetrieve EPO_GPS_3_1.DAT /etc/EPO_GPS_3_1.DAT ;
/home/pi/mt3339-utils/gpsinit -f /home/pi/mt3339-utils/gpsinit.conf /dev/ttyAMA0 ;
/home/pi/mt3339-utils/epoloader -t - -l=-33,151,42 -s 115200 /etc/EPO_GPS_3_1.DAT /dev/ttyAMA0;
else
  echo wlan not found, lora mapping is go;

/home/pi/mt3339-utils/gpsinit -f /home/pi/mt3339-utils/gpsinit.conf /dev/ttyAMA0 ;
/home/pi/mt3339-utils/epoloader -t - -l=-33,151,42 -s 115200 /etc/MTK30.DAT /dev/ttyAMA0;
fi

/etc/init.d/gpsd start