adding bash script for install / start / stop

Author: mavericm1

install-scripts/pi.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+targetdir=/home/pi
+pidfile=/tmp/voc.pid
+
+case "$1" in
+
+start)
+
+if [ $(ls $pidfile) ] && [ $(ps $(cat $pidfile) | egrep -v "PID") ]
+    then
+    echo "VOC RUNNING PLEASE STOP PROCESS FIRST $0 stop"
+else
+    sudo node $targetdir/index.js -o | ffplay -i - -analyzeduration 1 -probesize 32 -sync ext &
+    vocpid=$!
+    echo "$vocpid" > $pidfile
+    echo "VOC Started!"
+fi
+
+
+;;
+
+stop)
+
+if [[ $(ls $pidfile) ]]
+    then
+    kill $(cat $pidfile)
+    rm $pidfile
+    echo "VOC Stopped!"
+else
+    sudo node $targetdir/index.js -o | ffplay -i - -analyzeduration 1 -probesize 32 -sync ext &
+    vocpid=$!
+    echo "$vocpid" > $pidfile
+fi
+
+
+;;
+
+install)
+
+sudo apt-get install -y ffmpeg curl
+curl -fsSL https://deb.nodesource.com/setup_16.x | sudo -E bash -
+sudo apt-get install -y nodejs git
+git clone https://github.com/fpv-wtf/voc-poc.git
+cp -r voc-poc/* $targetdir/ # voc-poc expects /home/pi/index.js
+npm install
+sudo apt-get install -y libudev-dev
+
+$0 start
+
+;;
+
+*)
+if [ $(ls $pidfile)] && [ $(ps $(cat $pidfile) | egrep -v "PID") ]
+    then
+    echo "VOC RUNNING"
+else
+    if [[ $(ls $targetdir/index.js) ]]
+    then
+        echo "VOC installed please run $0 start"
+    else
+        $0 install
+    fi
+fi
+;;
+esac
+