#!/bin/bash
########################################################################
#
# filename:	cos_watch
#
#
# Define Constants
#
WAIT_DELAY=0					# Repeater Activity Time
STATE=IDLE					# Initial STATE
#
# MAIN LOOP
# 

while [ TRUE ] ; do				# Loop forever

   #echo -en "\n\nSTATE: ${STATE}"

   case ${STATE} in

   IDLE)
         echo -en "\nRepeater idle, ready to play msg on key-up..."
         
         rm -f  /home/irlp/local/cos_active &>/dev/null
         while /home/irlp/bin/cosstate ; do
            sleep .1
         done
         echo -en "\nUser keyed repeater"
         STATE=BUSY
         ;;

   BUSY)
         echo -en "\nRepeater busy..."
         touch /home/irlp/local/cos_active
         while ! /home/irlp/bin/cosstate ; do
            sleep 1
         done
         #echo -en "\nRepeater just went quiet"
         TIMER=$WAIT_DELAY
         STATE=WAIT
         /home/irlp/bin/forcekey
         /usr/bin/usleep 5000
         #play /root/test/ctone.wav
         /home/irlp/bin/forceunkey
         ;;

   WAIT)
         echo -en "\nWaiting to see if repeater is idle...\n"
         while [ TRUE ] ; do
            if /home/irlp/bin/cosstate ; then
               if [ $TIMER -gt 0 ] ; then
                  let TIMER-=1
                  #echo -en "\rWait timer: ${TIMER}    "
               else
                  #echo -en "\nNo activity. Done waiting."
                  STATE=IDLE
                  break
               fi
            else
              echo -en "\nWoops! Repeater still in use."
              STATE=BUSY
              break
            fi
            sleep 1
         done
         ;;

   esac
done
exit