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connecting is now possible again (sry)

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This commit is contained in:
Alexander Bocken 2020-06-28 14:38:32 +02:00
parent f70de55ec9
commit f38b841d2d
1 changed files with 26 additions and 22 deletions
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42
bt
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@ -9,10 +9,6 @@ actions="pair
disconnect
unpair"
#get power state of bluetooth controller
powerstatus="$( bluetoothctl show | grep Powered | awk '{print $2}' )"
scanstatus="$( bluetoothctl show | grep Discovering | awk '{print $2}' )"
#Checks for necessary programs to be present. Very unlikely not to be present but let's just err on the safer side.
for prog in dmenu bluetoothctl awk cat date nl; do
if ! hash "$prog" 2>/dev/null; then
@ -21,20 +17,30 @@ for prog in dmenu bluetoothctl awk cat date nl; do
fi
done
poweron(){
[ "$powerstatus" = "no" ] && bluetoothctl power on
power(){
powerstatus="$( bluetoothctl show | grep Powered | awk '{print $2}' )"
[ "$powerstatus" = "no" ] && [ "$1" = on ] && bluetoothctl power on
[ "$powerstatus" = "yes" ] && [ "$1" = off ] && bluetoothctl power off
}
scanon(){
scan(){
scanstatus="$( bluetoothctl show | grep Discovering | awk '{print $2}' )"
if [ "$1" = on ]; then
if [ "$scanstatus" = "no" ]; then
bluetoothctl scan on &
start_scan="$( date +'%s' )"
fi
fi
elif [ "$1" = off ]; then
if [ "$scanstatus" = "yes" ]; then
bluetoothctl scan off
start_scan="$( date +'%s' )"
fi
fi
}
#start scanning as early as possible to speed up pairing process
#=> maybe use an option to do this? Otherwise ever invocation of bt powers on the controller.
poweron
scanon
power on
scan on
#Compile list of all Bluetooth IDS of paired devices (from bluetoothctl and from hardcoded list)
bt_IDS="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{print $2}' )"
@ -43,25 +49,23 @@ bt_IDS="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{
paired_devices="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' )"
disp_devices="$( echo "$paired_devices" | grep -vf "$BLACKLIST" )"
echo "$paired_devices"
echo ----------------
echo "$disp_devices"
#detects current power mode of controller and adjusts options accordingly
poweroption="$( echo "$powerstatus" | sed 's/yes/power off/; s/no/power on/' )"
#Don't print empty device list, removes unnecessary empty choice in dmenu
[ "$disp_devices" = "" ] && choice=$( printf "%s\n%s" "$poweroption" "$actions" | dmenu -i -p 'What BT action would you like to perform:' )
[ "$disp_devices" != "" ] && choice=$( ( echo "$disp_devices" && printf "%s\n%s" "$poweroption" "$actions" ) | dmenu -i -p 'What BT action would you like to perform:' )
cleanup(){
bluetoothctl scan off
scan off
exit 0
}
pair(){
#since this function can get called indefinitely, make sure to always be scanning and controller has power in the case that it got deactived by some other process.
#bluetoothctl power on &>/dev/null &
#bluetoothctl scan on &>/dev/null &
#check whether $SCAN_PERIOD seconds has already passed since starting scanning, if not, wait for the rest of that time.
power on
scan on
#check whether $SCAN_PERIOD seconds has already passed since starting scanning, if not, wait for the rest of that time.
if [ $((( "$(date +'%s')" - "$start_scan" ))) -lt $SCAN_PERIOD ]; then
sleep_period="$((( "$SCAN_PERIOD" - "$( date +'%s')" + "$start_scan" )))"
if [ "$sleep_period" -eq 1 ]; then
@ -132,12 +136,12 @@ case $choice in
dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}' )
bluetoothctl disconnect "$dev_id"
fi;;
"*")
*)
echo "$choice"
dev_no=$( echo "$paired_devices" | nl | grep -P "[0-9]+\t$choice$" | awk '{print $1}')
dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}')
bluetoothctl power on
bluetoothctl pair "$dev_id"
bluetoothctl connect "$dev_id";;
esac
cleanup