Power Monitor (enderio) + monitor

local upper = 0.90 --Upper limit for computer to stop transmitting redstone signal. 0.90=90% full.
local lower = 0.10 --Lower limit for computer to start transmitting redstone signal.

-------------------FORMATTING-------------------------------
function clear()
        monitor.setBackgroundColor(colors.black)
        monitor.clear()
        monitor.setCursorPos(1,1)
end

function draw_text_term(x, y, text, text_color, bg_color)
        term.setTextColor(text_color)
        term.setBackgroundColor(bg_color)
        term.setCursorPos(x,y)
        write(text)
end

function draw_text(x, y, text, text_color, bg_color)
        monitor.setBackgroundColor(bg_color)
        monitor.setTextColor(text_color)
        monitor.setCursorPos(x,y)
        monitor.write(text)
end

function draw_line(x, y, length, color)
                monitor.setBackgroundColor(color)
                monitor.setCursorPos(x,y)
                monitor.write(string.rep(" ", length))
end

function draw_line_term(x, y, length, color)
                term.setBackgroundColor(color)
                term.setCursorPos(x,y)
                term.write(string.rep(" ", length))
end

function progress_bar(x, y, length, minVal, eMax, bar_color, bg_color)
        draw_line(x, y, length, bg_color) --backgoround bar
        local barSize = math.floor((eNow/eMax) * length)
        draw_line(x, y, barSize, bar_color)     --progress so far
end

function progress_bar_term(x, y, length, eNow, eMax, bar_color, bg_color)
        draw_line_term(x, y, length, bg_color) --backgoround bar
        local barSize = math.floor((eNow/eMax) * length)
        draw_line_term(x, y, barSize, bar_color)        --progress so far
end
-------Device detection--------------
isError=0

function detectDevice(DeviceName)
DeviceSide="none"
for k,v in pairs(redstone.getSides()) do
 if peripheral.getType(v)==DeviceName then
   DeviceSide = v
   break
 end
end
  return(DeviceSide)
end

-------Wrap Peripheral--------------
power="none"
monitor="none"
local peripheralList = peripheral.getNames()

powerSide=detectDevice("power_storage")

if powerSide~="none" then
   power=peripheral.wrap(powerSide)
   print ("Power monitor " .. powerSide .. " connected.")
   else
        powerSide=detectDevice("tile_enderio_blockcapacitorbank_name")
        if powerSide~="none" then
                power=peripheral.wrap(powerSide)
                print ("EnderIO capacitorbank on the " .. powerSide .. " connected.")
        else
                        for Index = 1, #peripheralList do
                                if string.find(peripheralList[Index], "power_storage") then
                                        power=peripheral.wrap(peripheralList[Index])
                                        print ("Power Monitor on wired modem: "..peripheralList[Index].." connected.")
                                elseif string.find(peripheralList[Index], "tile_enderio_blockcapacitorbank_name") then
                                        power=peripheral.wrap(peripheralList[Index])
                                        print ("EnderIO capacitorbank on wired modem: "..peripheralList[Index].." connected.")
                                end
                        end --for
                        if power == "none" then
                                print("No Energy storage found. Halting script!")
                                return
                        end

        end
end

-------Monitor Connect--------------
MonitorSide=detectDevice("monitor")

if MonitorSide~="none" then
      monitor=peripheral.wrap(MonitorSide)
   print ("Monitor on the " .. MonitorSide .. " connected.")
   else
        for Index = 1, #peripheralList do
                if string.find(peripheralList[Index], "monitor") then
                        monitor=peripheral.wrap(peripheralList[Index])
                        print ("Monitor on wired modem: "..peripheralList[Index].." connected.")
                end
        end --for
        if monitor == "none" then
                print ("Warning - No Monitor attached, continuing without.")
        end
end


-------Monitor write functions--------------
function homepage()
        while true do
                clear()
                menu_bar()
                terminal_screen()

        -------Monitor write text--------------
        if monitor ~= "none" then
                draw_text(2, 2, "Fuel Level:", colors.yellow, colors.black)
                local eMax = power.getMaxPowerInMachines()
                local eNow = power.getPowerInMachines()
                local percent = ((eNow/eMax)*100)
                draw_text(15, 5, percent.."%", colors.white, colors.black)

                if percent < 25 then
                progress_bar(2, 4, monX-2, eNow, eMax, colors.red, colors.gray)
                else if percent < 50 then
                progress_bar(2, 4, monX-2, eNow, eMax, colors.orange, colors.gray)
                else if percent < 75 then
                progress_bar(2, 4, monX-2, eNow, eMax, colors.yellow, colors.gray)
                else if percent < 100 then
                progress_bar(2, 4, monX-2, eNow, eMax, colors.lime, colors.gray)
                end
                end
                end
                end
        end
        end
end