Nuclearcraft Efficency

--create an OS timer for waiting for key
local myTimer = os.startTimer(0)

--thresholds, to be changed as per the requirement
local threshlow = 5
local threshhigh = 10

--hysteresis low means that it keeps on until
--it hits high threshold
--hysteresis high means that it keeps on until
--it hits low threshold
--starts in a low state
local hyst = 'low'

-- wrap the peripherals
nc = peripheral.wrap('left')
mon = peripheral.wrap('top')

--start us in an off state
redstone.setOutput('left', false)

while true do
    local event, param1 = os.pullEvent()

    if event == "timer" and param1 == myTimer then
        md = nc.getMetadata()
        energy = md['energy']
        state = md['state']

        stored = energy['stored']
        capacity = energy['capacity']
        state = state['active']
        percent = math.floor((stored/capacity)*100)

        print(stored, capacity, percent)
        print(state)

        if percent < threshlow then
            redstone.setOutput('left', true)
            hyst = 'high'
        elseif percent > threshhigh then
            redstone.setOutput('left', false)
            hyst = 'low'
        elseif hyst == 'low' then
            redstone.setOutput('left', false)
        else
            redstone.setOutput('left', true)
        end

        mon.setCursorPos(1,1)
        mon.write('Thresh Low: ' .. threshlow .. '          ')
        mon.setCursorPos(1,2)
        mon.write('Thresh High: ' .. threshhigh .. '         ')
        mStored = math.floor(stored/100000)/10
        sStored = string.format("%.1f", mStored)
        mon.setCursorPos(1,3)
        mon.write('Stored: ' .. sStored .. ' MRF       ')
        mCapacity = math.floor(capacity/100000)/10
        sCapacity = string.format("%.1f", mCapacity)
        mon.setCursorPos(1,4)
        mon.write('Capacity: ' .. sCapacity .. ' MRF     ')
        mon.setCursorPos(1,5)
        mon.write('Percent Full: ' .. percent .. '%       ')
        mon.setCursorPos(1,6)
        if state == true then
            mon.write('Reactor Active   ')
        else
            mon.write('Reactor Inactive ')
        end

        myTimer = os.startTimer(2)

    elseif event == 'char' and param1 == 'q' then
        redstone.setOutput('left', false)
        mon.clear()
        mon.setCursorPos(1,1)
        mon.write('Program Inactive')
        break
    end
end