recipes/avr-evtd/files/init

   1 #!/bin/sh
   2 #
   3 # avr_evtd Linkstation/Kuro AVR daemon
   4 #
   5 # Other files used are:
   6 #  /etc/default/avr_evtd - Optional configuration file
   7 #  /etc/avr_evtd/EventScript - Provides user with scripted
   8 #                              AVR event points
   9 # Optional files:
  10 #  /etc/melco/timer_Sleep - Standard Melco sleep settings
  11 #
  12 # Written by Bob Perry (2006) lb-source@users.sourceforge.net
  13 #
  14
  15 #
  16 # Location of the avr watchdog daemon and the init directory
  17 #
  18 DAEMON=/usr/sbin/avr_evtd
  19 initdir=/etc/init.d
  20
  21 PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin
  22 tag=linkstation
  23 facility=user.info
  24
  25 test -e $DAEMON || exit 0
  26
  27 getDevice()
  28 {
  29   #
  30   # Load custom settings
  31   #
  32   MIPS=NO
  33
  34   #
  35   # Populate the configured settings
  36   #
  37   [ -f /etc/default/avr_evtd ] && . /etc/default/avr_evtd > /dev/null 2>&1
  38
  39   # Try and determine the UART used.  The MIPS only has one UART
  40   # available and the process is built accordingly.  To support modified
  41   # kernel's/kuro systems with polled over UARTs, drill into kernel
  42   # configuration for the memory configuration of the UART to determine
  43   # which tty to use if not set in the configuration file
  44   uname -m | grep -q mips && MIPS=YES && DEVICE=/dev/ttyS0
  45
  46   if [ -z "$DEVICE" ] && [ "$MIPS" = "NO" ]
  47   then
  48     DEVICE=/dev/ttyS0
  49     # Search for valid port address
  50     PORT_ADDRESS=`$DAEMON -i -d /dev/ttyS1`
  51     if [ $PORT_ADDRESS -eq 80004500 ] ; then DEVICE=/dev/ttyS1 ; fi
  52   fi
  53 }
  54
  55 start()
  56 {
  57   #
  58   # Daemon options
  59   # e.g -d /dev/ttyS1
  60   #
  61   daemonoptions=
  62
  63   CONSOLE=OFF
  64
  65   getDevice
  66
  67   # Establish daemon startup options based on configuration settings
  68   if [ "$EMMODE" = "YES" ]; then daemonoptions=-e ; fi
  69
  70   if [ -n "$DEVICE" ] && [ "$MIPS" = "NO" ]
  71   then
  72     [ -n "$daemonoptions" ] && daemonoptions="$daemonoptions "
  73     daemonoptions="$daemonoptions-d $DEVICE"
  74   fi
  75
  76   # Is this a MIPSEL box?
  77   if [ "$MIPS" = "YES" ]
  78   then
  79     if [ -e /proc/linkstation ]
  80     then
  81       # Determine if console ttyS0 is in-use
  82       CONSOLE=`cat /proc/linkstation | grep CONSOLE | awk -F "=" '{print $2}'`
  83     fi
  84   fi
  85
  86   if [ "$CONSOLE" = "ON" ]
  87   then
  88     echo "[avr_evtd]: Not started services as console in-use"
  89     logger -t $tag -p $facility 'Not started avr_evtd as kernel still has console'
  90   else
  91     echo "Start services: avr_evtd"
  92     /sbin/start-stop-daemon --start --quiet --exec $DAEMON -- $daemonoptions
  93     logger -t $tag -p $facility 'Started daemon avr_evtd'
  94   fi
  95 }
  96
  97 stop()
  98 {
  99   echo "Stop services: avr_evtd"
 100   /sbin/start-stop-daemon --stop --quiet --exec $DAEMON
 101   logger -t $tag -p $facility 'Stopped daemon avr_evtd'
 102 }
 103
 104 # Check request
 105 case "$1" in
 106   start)
 107     start
 108     ;;
 109   stop)
 110     stop
 111     ;;
 112   restart)
 113     stop
 114     sleep 1
 115     start
 116     ;;
 117   *)
 118     echo "Usage: $DAEMON {start|stop|restart}" >&2
 119     ;;
 120 esac
 121
 122 exit 0
 123
 124