Controller

ON, OFF = 15, 0
FUEL, TEMP, WASTE, ACTIVATE = "bottom", "top", "left", "right"
currentStatus = OFF
command = OFF

function check()
    if
    redstone.getAnalogInput(FUEL)   == ON or
    redstone.getAnalogInput(TEMP)   == ON or
    redstone.getAnalogInput(WASTE)  == ON or
    command == OFF
    then
        return false
    end
    return true
end

function update()
    redstone.setAnalogOutput(ACTIVATE, currentStatus)

end

function statusToString(stat)
    if stat == 15 then
        return "ACTIVATED"
    else
        return "OK"
    end
end

function checkAllInputs()
    return
    redstone.getAnalogInput(FUEL),
    redstone.getAnalogInput(TEMP),
    redstone.getAnalogInput(WASTE)
end

rednet.open("front")

while true do
    term.clear()
    term.setCursorPos(1,1)
    print("CHANGE STATE (ON=1/OFF=2)")
    print()
    local f, t, w = checkAllInputs()
    print("CURRENT STATUS   : " .. statusToString(currentStatus))
    print("FUEL             : " .. statusToString(f))
    print("TEMPERATURE      : " .. statusToString(t))
    print("WASTE            : " .. statusToString(w))

    sendStr =
    statusToString(currentStatus) .. ";" ..
    statusToString(f) .. ";" ..
    statusToString(t) .. ";" ..
    statusToString(w)



    repeat
        event, code, msg = os.pullEvent()--wait for event
    until
    (event == "char" and (code == "1" or code == "2")) or
    event == "redstone" or
    event == "rednet_message"


    if event == "char" then
        if code == "1" then
            command = ON
        else
            command = OFF
        end
    elseif event == "rednet_message" then
        if msg == "1" then
            command = ON
        else
            command = OFF
        end
    end

    if check() then
        currentStatus = ON
    else
        currentStatus = OFF
    end


    update()
    rednet.broadcast(sendStr)
end