gps

#!/bin/bash

CONTROL_DEVICE () {
	echo /dev/$(for n in /sys/class/tty/ttyACM*/device/interface; do if [ "$(cat $n)" = "Ericsson F3507g Mobile Broadband Minicard Data Modem" ]; then echo $n|awk -F '/' '{print $5}'; fi; done)
}

GPS_DEVICE () {
	echo /dev/$(for n in /sys/class/tty/ttyACM*/device/interface; do if [ "$(cat $n)" = "Ericsson F3507g Mobile Broadband Minicard GPS Port" ]; then echo $n|awk -F '/' '{print $5}'; fi; done)
}

case "$1" in
	start)
		/usr/sbin/chat -v "" "AT*E2GPSCTL=1,1,1" "OK" > $(CONTROL_DEVICE) < $(CONTROL_DEVICE)
		/usr/sbin/chat -v "" "AT*E2GPSNPD" "GPGGA" > $(GPS_DEVICE) < $(GPS_DEVICE)
		echo "$(GPS_DEVICE) is ready to be used with gpsd"
	;;
	stop)
		/usr/sbin/chat -v "" "AT*E2GPSCTL=0,1,0" "OK" > $(CONTROL_DEVICE) < $(CONTROL_DEVICE)
	;;
esac
exit 0