AE storage

function find_peripheral(t, e)
  e = e or nil
  sides = {[1] = "front", [2] = "back", [3] = "left", [4] = "right", [5] = "top", [6] = "bottom"}
  peripheral_found = false
  for num=1, 6 do
    type = peripheral.getType(sides[num])
    if type == t then
      if e == "wireless" then
        if peripheral.call(sides[num], "isWireless") then
          return sides[num]
        end
      elseif e == "remote" then
        if not peripheral.call(sides[num], "isWireless") then
          return sides[num]
        end
      elseif e == nil then
        return sides[num]
      end
    end
  end
  print("No " .. t .. " attached to the computer")
end

function change_colors(command, color_1, color_2)
  command.setTextColor(color_1 or colors.white)
  command.setBackgroundColor(color_2 or colors.black)
end

function writes(text1, command, xpos, ypos, color1, color2)
command.setCursorPos(xpos, ypos)
change_colors(command, color1, color2)
command.write(text1:upper())
change_colors(command)
end

me = peripheral.wrap(find_peripheral("me_drive"))

while true do
term.clear()
bytes_used = me.getTotalBytes() - me.getFreeBytes()
byte_perc = math.floor(bytes_used / me.getTotalBytes())
types_used = me.getTotalItemTypes() - me.getRemainingItemTypes()
type_perc = math.floor(types_used / me.getTotalItemTypes())
text = "bytes: " .. bytes_used .. "/" .. me.getTotalBytes() .. " - " .. byte_perc .. "%"
writes(text, term, 2, 2, colors.black, colors.white)
text = "types: " .. types_used .. "/" .. me.getTotalItemTypes() .. " - " .. type_perc .. "%"
writes(text, term, 2, 4, colors.black, colors.white)
if byte_perc > 90 or type_perc > 90 then
text = "status = need more storage"
else
text = "status = stable"
end
writes(text, term, 2, 6, colors.black, colors.white)
os.startTimer(20)
os.pullEvent("timer")
end