diff options
Diffstat (limited to 'stereo')
| -rwxr-xr-x | stereo | 157 |
1 files changed, 157 insertions, 0 deletions
@@ -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 |