From 0516c2d9798c49b78d9c270641496238d55b886a Mon Sep 17 00:00:00 2001
From: Peter Palfrader <peter@palfrader.org>
Date: Sat, 29 Sep 2012 14:20:56 +0000
Subject: Add stereo

git-svn-id: svn+ssh://asteria.noreply.org/svn/weaselutils/trunk@552 bc3d92e2-beff-0310-a7cd-cc87d7ac0ede
---
 stereo | 157 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 157 insertions(+)
 create mode 100755 stereo

diff --git a/stereo b/stereo
new file mode 100755
index 0000000..226336b
--- /dev/null
+++ b/stereo
@@ -0,0 +1,157 @@
+#!/bin/sh
+
+# stereo
+#
+# wrapper script to control my Denon stereo with IR
+
+# Copyright (c) 2012 Peter Palfrader
+#
+# Permission is hereby granted, free of charge, to any person
+# obtaining a copy of this software and associated documentation
+# files (the "Software"), to deal in the Software without
+# restriction, including without limitation the rights to use,
+# copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following
+# conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+# OTHER DEALINGS IN THE SOFTWARE.
+
+
+set -e
+
+STATEFILE=/var/run/stereo-state
+TIMEOUT=30
+DEBUG=0
+
+if [ "$#" -lt 1 ]; then
+	echo 2>&1 "Usage: $0 <command>"
+	exit 1
+fi
+
+
+if grep -q ON "$STATEFILE"; then
+	power=1
+else
+	power=0
+fi
+
+send() {
+	irsend set_transmitters 1
+	irsend send_once denon "$1"
+}
+toggle_power() {
+	send KEY_POWER
+}
+force_status_update_off() {
+	cat /dev/null > "$STATEFILE"
+}
+off() {
+	if [ "$power" -gt 0 ]; then
+		toggle_power
+		force_status_update_off
+	else
+		echo "Already off"
+	fi
+}
+on() {
+	if [ "$power" -lt 1 ]; then
+		toggle_power
+		echo ON > "$STATEFILE"
+	else
+		echo "Already on"
+	fi
+}
+
+used() {
+	if grep -q RUNNING /proc/asound/card*/*p/*/status; then
+		return 0
+	else
+		return 1
+	fi
+}
+
+tch() {
+	touch "$STATEFILE"
+}
+
+case "$1" in
+	init)
+		cat /dev/null > /var/run/stereo-state
+		chgrp plugdev /var/run/stereo-state
+		chmod 664 /var/run/stereo-state
+		;;
+	mute)
+		send KEY_MUTE
+		;;
+	vol+)
+		send KEY_VOLUMEUP
+		;;
+	vol-)
+		send KEY_VOLUMEDOWN
+		;;
+	off)
+		off
+		;;
+	on)
+		on
+		;;
+	toggle)
+		if [ "$power" -gt 0 ]; then
+			off
+		else
+			on
+		fi
+		;;
+	status)
+		if [ "$power" -gt 0 ]; then
+			echo "on; last used: $(stat -c%y "$STATEFILE")"
+		else
+			echo off
+		fi
+		;;
+	used)
+		if used; then
+			exit 0
+		else
+			exit 1
+		fi
+		;;
+	touch)
+		tch
+		;;
+	# runs out of cron every 5 minutes or so
+	#  */5 * * * * bin/stereo off-if-idle
+	off-if-idle)
+		if [ "$power" -gt 0 ]; then
+			if used; then
+				tch
+				[ $DEBUG -lt 1 ] || echo "in use"
+			else
+				if find "$STATEFILE" -mmin -"$TIMEOUT" | grep -q .; then
+					[ $DEBUG -lt 1 ] || echo "recently used"
+				else
+					off
+				fi
+			fi
+		else
+			[ $DEBUG -lt 1 ] || echo "is off"
+		fi
+		;;
+	force-status-off)
+		force_status_update_off
+		;;
+	*)
+		echo >&2 "Unknown command $1"
+		exit 1
+esac
-- 
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