Here's the next iteration of the bt-pair.sh script. Now using two
different tracks, one for a player and one for a speaker. Also switched
to continuing the script on power on status and exiting immediately on
power off instead of the other way around. For speakers, I'm using an
rssi filter setting to reduce the number of devices that show up in a
scan. Weaker devices are filtered out so you have to have the speaker
close to the device for initial pairing to be successful. Trying to
keep it as "hands off" as possible. I know it's hacky.
Code:
--------------------
#!/bin/sh
if [ $1 -eq 0 ]
then
exit
fi
uptime=$(cat /proc/uptime | cut -d'.' -f1)
if [ ${uptime} -le 60 ]
then
exit
fi
lmsip=$(netstat -tn | grep 3483 | tr -s ' ' | cut -d ' ' -f5 | cut -d ':' -f1)
iface=$(arp -an | grep ${lmsip} | tr -s ' ' | cut -d' ' -f7)
read mac < /sys/class/net/${iface}/address
btplayer="bluetooth-player"
btspeaker="bluetooth-speaker"
rssi="-60"
post=$(cat <<END_HEREDOC
POST /jsonrpc.js HTTP/1.1
HOST: ${lmsip}:9000
Content-Type: application/json; charset=utf-8
Content-Length: 97
{"id":1,"method":"slim.request","params":["${mac}",["status","-","1","tags:acgltys"]]}
END_HEREDOC
)
if (echo -e "${post}"; sleep .2) | nc ${lmsip} 9000 | grep "${btplayer}"
then
i=0
bluetoothctl discoverable on
prepair=$(bluetoothctl paired-devices | cut -d' ' -f2)
while [ $i -le 30 ]
do
newpair=$(bluetoothctl devices | cut -d' ' -f2)
newdev=$(printf "${prepair}\n${newpair}\n" | sort | uniq -u)
if [ "${newdev}" ]
then
bluetoothctl pair ${newdev}
bluetoothctl trust ${newdev}
bluetoothctl connect ${newdev}
break
else
i=$(( $i +1 ))
sleep 2
fi
done
bluetoothctl discoverable off
elif (echo -e "${post}"; sleep .2) | nc ${lmsip} 9000 | grep "${btspeaker}"
then
i=0
prescan=$(bluetoothctl devices)
while [ $i -le 6 ]
do
(printf "scan.rssi ${rssi}\nscan.rssi\nscan on\n"; sleep 10) | bluetoothctl
sleep .2
newscan=$(bluetoothctl devices)
newdev=$(printf "${prescan}\n${newscan}\n" | sort | uniq -u | cut -d' ' -f2)
if [ "${newdev}" ]
then
bluetoothctl pair ${newdev}
bluetoothctl trust ${newdev}
bluetoothctl connect ${newdev}
break
fi
i=$(( $i +1 ))
done
fi
--------------------
------------------------------------------------------------------------
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