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#!/bin/bash
NAME="lora-packet-forwarder"
ENABLED="yes"
[ -f /etc/default/$NAME ] && source /etc/default/$NAME
run_dir=/var/run/lora
conf_dir=/var/config/lora
pkt_fwd=$run_dir/1/lora_pkt_fwd
pkt_fwd_log=/var/log/lora-pkt-fwd-1.log
pkt_fwd_pidfile=$run_dir/lora-pkt-fwd-1.pid
port1=/sys/devices/platform/mts-io/ap1
port2=/sys/devices/platform/mts-io/ap2
lora_mtac_id="MTAC-LORA"
lora_1_0_hw="MTAC-LORA-1.0"
lora_1_5_h_hw="MTAC-LORA-1.5"
read_card_info() {
# product-id of first lora card
lora_id=$(mts-io-sysfs show lora/product-id 2> /dev/null)
lora_eui=$(mts-io-sysfs show lora/eui 2> /dev/null)
# remove all colons
lora_eui_raw=${lora_eui//:/}
lora_hw=$(mts-io-sysfs show lora/hw-version 2> /dev/null)
}
card_found() {
if [ -d $port1 ] && [[ $(cat $port1/hw-version) = $lora_hw ]]; then
ln -sf /dev/spidev32766.2 /dev/spidev0.0
elif [ -d $port2 ] && [[ $(cat $port2/hw-version) = $lora_hw ]]; then
ln -sf /dev/spidev32765.2 /dev/spidev0.0
fi
if [[ "$lora_id" =~ "$lora_mtac_id" ]]; then
GLOBAL_CONF=/opt/lora/global_conf.json.MTAC_LORA_1_0
if [ "$lora_hw" = "$lora_1_0_hw" ] && [[ ! "$lora_id" =~ .*-SPI ]]; then
ln -sf /opt/lora/basic_pkt_fwd-usb $pkt_fwd
else
if [ "$lora_hw" = "$lora_1_5_h_hw" ]; then
GLOBAL_CONF=/opt/lora/global_conf.json.MTAC_LORA_1_5
fi
ln -sf /opt/lora/lora_pkt_fwd $pkt_fwd
fi
# ignore error of diff command
set +e
diff $GLOBAL_CONF /opt/lora/global_conf.json 1>/dev/null
if [ $? -ne 0 ]; then
cp $GLOBAL_CONF /opt/lora/global_conf.json
fi
set -e
return 0
else
echo MTAC_LORA not detected
return 1
fi
}
do_start() {
mkdir -p $run_dir/1
read_card_info
if ! [ -f $conf_file ]; then
echo "$0: $conf_file missing"
exit 1
fi
if card_found; then
echo "Found $lora_id with $lora_hw hardware"
else
echo "$0: MTAC-LORA not detected"
exit 1
fi
echo -n "Starting $NAME: "
# start packet forwarder
cp $conf_dir/global_conf.json $run_dir/1/global_conf.json
/usr/sbin/start-stop-daemon --chdir $run_dir/1 --background --start --make-pidfile \
--pidfile $pkt_fwd_pidfile --startas /bin/bash -- -c "exec $pkt_fwd"
renice -n -20 -p $(pgrep $(basename $pkt_fwd))
echo "OK"
}
do_stop() {
echo -n "Stopping $NAME: "
start-stop-daemon --stop --quiet --oknodo --pidfile $pkt_fwd_pidfile --retry 5
rm -f $pkt_fwd_pidfile
echo "OK"
}
if [ "$ENABLED" != "yes" ]; then
echo "$NAME: disabled in /etc/default"
exit
fi
case "$1" in
"start")
do_start
;;
"stop")
do_stop
;;
"restart")
## Stop the service and regardless of whether it was
## running or not, start it again.
do_stop
do_start
;;
*)
## If no parameters are given, print which are avaiable.
echo "Usage: $0 {start|stop|restart}"
exit 1
;;
esac
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