bluealsa-handsfree.in

#!/bin/bash

CONTROL_FIFO=/var/run/bluealsa-handsfree/control

usage() {
	cat <<-EOF >&2
	Usage:
	   $0 pair on|off      - enable/disable pairable mode
	   $0 accept           - accept incoming call
	   $0 cancel           - reject incoming or terminate active call
	   $0 volume up|down   - increase/reduce speaker volume
	   $0 mute             - toggle microphone mute state
	EOF
}

case "$1" in
	pair)
		case "$2" in
			on)  systemctl start bluealsa-simple-pairable.service || exit 1 ;;
			off) systemctl stop bluealsa-simple-pairable.service || exit 1 ;;
			*)   usage; exit 1 ;;
		esac
		exit 0 ;;
	version) echo "@version@"; exit 0 ;;
esac

if [ ! -p "$CONTROL_FIFO" ] ; then
	echo "Handsfree control service not available" >&2
	exit 1
fi

exec {fd}>$CONTROL_FIFO
case "$1" in
	accept) printf "%s\n" "ACCEPT" >&$fd ;;
	cancel) printf "%s\n" "CANCEL" >&$fd ;;
	volume)
		case "$2" in
			up)   printf "%s\n" "VOLUP" >&$fd ;;
			down) printf "%s\n" "VOLDOWN" >&$fd ;;
			*)    usage; exit 1 ;;
		esac ;;
	mute)   printf "%s\n" "MUTE" >&$fd ;;
	*)      usage; exit 1 ;;
esac