#!/bin/bash
#IO INTIIALIZATION
        tshwctl --setdio=65 #System Power ON
        tshwctl --clrdio=57 #red OFF
        tshwctl --clrdio=59 #yellow OFF
        tshwctl --clrdio=61 #Green OFF

#CTRL+C Trap_EXIT_EXEC
trap ctrl_c INT
#trap 'tshwctl --clrdio=65' EXIT
function ctrl_c() {
#TURN OFF ALL IO 
        tshwctl --clrdio=57
        tshwctl --clrdio=59
        tshwctl --clrdio=61
        tshwctl --clrdio=65
        echo "** PROGRAM TERMINATED **"
        exit
}

#MAIN Loop
for i in $(seq 0 1000)
do
reading=$(./adc1)
#echo $reading

if [ $reading -lt 300 ]
then
        clear
        echo "System Nominal"
        tshwctl --clrdio=59
        tshwctl --clrdio=57
        tshwctl --setdio=61 #green ON

#Compund logical expansion in BASH
elif [[ $reading -gt 301 &&  $reading -lt 1000 ]];
then
        tshwctl --clrdio=57 #red OFF
        clear
        echo "Intermediate Voltage Detected"
        tshwctl --setdio=59 #yellow ON
        tshwctl --setdio=61 #green ON

elif [[ $reading -gt 1001 && $reading -lt 2000 ]];
then
        clear
        echo "Median Voltage Detected"
        tshwctl --clrdio=57  #red OFF
        tshwctl --clrdio=61  #green OFF
        tshwctl --setdio=59  #yellow ON

elif [ $reading -gt 2000  ]
then
        clear
        echo "Alert! HIGH VOLTAGE DETECTED!"
        tshwctl --clrdio=61  #green OFF
        tshwctl --clrdio=59 #yellow OFF
        tshwctl --setdio=57 #Red ON
else
        tshwctl --clrdio=61
        tshwctl --clrdio=59
        tshwctl --clrdio=57

fi
#sleep 1
done
#END LOOP ALL IO IS OFF
        tshwctl --clrdio=57
        tshwctl --clrdio=59
        tshwctl --clrdio=61
        tshwctl --clrdio=65