diff scripts/set_startup.sh @ 62:a11e23f4e6af newapi

Added script options for running in a loop at startup (needs further support for stopping) and running the project in the foreground

--- a/scripts/set_startup.sh	Wed Jul 15 19:09:18 2015 +0100
+++ b/scripts/set_startup.sh	Wed Jul 15 19:40:15 2015 +0100
@@ -7,6 +7,7 @@
 BBB_PATH="/root/BeagleRT"
 ENABLE_STARTUP=1
 COMMAND_ARGS=
+RUN_IN_LOOP=0
 
 # This path is hard-coded in the BeagleRT image at present.
 BBB_STARTUP_SCRIPT="/root/BeagleRT_startup.sh"
@@ -14,19 +15,21 @@
 function usage
 {
     THIS_SCRIPT=`basename "$0"`
-    echo "Usage: $THIS_SCRIPT [-b path-on-beaglebone] [-c command-line-args] [-n]"
+    echo "Usage: $THIS_SCRIPT [-b path-on-beaglebone] [-c command-line-args] [-n] [-l]"
 
     echo "
     This script enables (by default) or disables running the BeagleRT
     project at startup. The -n option disables auto-startup, otherwise
     auto-startup is enabled. The -b option changes the default path, which
     is otherwise $BBB_PATH. The -c option passes command-line arguments to
-    the BeagleRT program; enclose the argument string in quotes."
+    the BeagleRT program; enclose the argument string in quotes.
+    The -l option runs the BeagleRT program in a loop, restarting
+    automatically in the event of a crash."
 }
 
 OPTIND=1
 
-while getopts "b:c:nh" opt; do
+while getopts "b:c:nlh" opt; do
     case $opt in
         b)            BBB_PATH=$OPTARG
                       ;;
@@ -34,6 +37,8 @@
                       ;;
         n)            ENABLE_STARTUP=0
                       ;;
+        l)            RUN_IN_LOOP=1
+                      ;;
         h|\?)         usage
                       exit 1
     esac
@@ -53,12 +58,19 @@
 
 else
     echo "Enabling BeagleRT at startup..."
+  
+    SCRIPT_PRERUN=
+    SCRIPT_POSTRUN=
+    if [ $RUN_IN_LOOP -ne 0 ] ; then
+	SCRIPT_PRERUN="bash -c \\\"while true ; do"
+	SCRIPT_POSTRUN=" ; done \\\" "
+    fi
 
     ssh $BBB_ADDRESS "echo \"#!/bin/sh
 #
 # This file is autogenerated by BeagleRT. Do not edit!
 
 echo Running BeagleRT...
-screen -S BeagleRT -d -m $BBB_PATH/BeagleRT $COMMAND_ARGS\" > $BBB_STARTUP_SCRIPT"
+screen -S BeagleRT -d -m $SCRIPT_PRERUN $BBB_PATH/BeagleRT $COMMAND_ARGS $SCRIPT_POSTRUN\" > $BBB_STARTUP_SCRIPT"
 
 fi
\ No newline at end of file