#!/bin/sh

USB2514=/usr/bin/usb2514
GPIODIR=/sys/devices/platform/sob-odu.0

DEBUG=0
DRYRUN=0

test -x ${USB2514}
if [ $? -ne 0 ];
then
	echo "ERROR - ${USB2514} does not exist or is not exeutable"
	echo
fi

if [ $DRYRUN -ne 0 ] || [ $DEBUG -ne 0 ]; then
	echo "DEBUG=$DEBUG\nDRYRUN=$DRYRUN\n"
fi;

### helper
echodeb() {
	if [ $DEBUG -ne 0 ]; then
		echo "DEBUG - $*"
	fi;
}

gpioecho() {
	echodeb "echo ${1} > ${2}"
	if [ $DRYRUN -eq 0 ]; then
		echo ${1} > ${2}
	fi;
}

# $1 gpio $2 direction
init_pin() {
	echodeb init_pin $1 $2
	gpioecho ${1} "${GPIODIR}/export"
	gpioecho ${2} "${GPIODIR}/gpio$_{1}/direction"
}

# $1 gpio $2 value
set_pin() {
	echodeb set_pin $1 $2
	gpioecho ${2} "${GPIODIR}/gpio_${1}/value"
}

# $1 pin $2 tempvalue $3 endvalue
toggle_pin() {
	set_pin ${1} ${2}
	sleep 1
	set_pin ${1} ${3}
}

###
reset_modem1() {
	toggle_pin mdm1_rst 1 0
}

reset_modem2() {
	toggle_pin mdm2_rst 1 0
}

reset_gnss() {
	toggle_pin gnss_rst 1 0
}

reset_adsb() {
	toggle_pin adsb_rst 1 0
}

reset_ais() {
	toggle_pin ais_off 1 0
}

reset_usb() {
	# usb2514 now has internal code to assert/de-assert !hub_reset
	${USB2514} 1
}

reset_all() {
	reset_modem1
	reset_modem2
	reset_gnss
	reset_adsb
	reset_ais
	reset_usb
}

print_help() {
	echo $0 v0.2
	echo
	echo "help           - this text"
	echo "reset [device] - reset all/one device(s)"
	echo
}
case "$1" in
start)
	;;
reset)
	if [ -n "$2" ]; then
		reset_${2}
	else
		reset_all
	fi
	;;
restart)
	${0} reset
	;;
*)
	print_help
	;;
esac