startup

function periUptd()

  tanks = {{},{}} -- Number of '{}' must match the number of liquids

  -- Create adress array
  -- tanks[ liquidNumber ][ tankNumber ] = peripheral.wrap( tank address )


end

periUptd()

-- Assign terminal glasses bridge adress
glass = peripheral.wrap("openperipheral_bridge_0")

-- Number of liquids
liquids = 2
-- Possition of text {firstLiquid, secondLiquid, ...}
Xpos = {5, 5}
Ypos = {5, 15}
-- Color of text (in HEX) {firstLiquid, secondLiquid, ...}
color = {0xff8800, 0x0000ff}


function tankInfo()

  tankNum = {}
  tanksInfo = {}

  for i = 1, liquids, 1 do
    tanksInfo[i] = {}
    tankNum[i] = 0
    num = 1
    while true do
      if tanks[i][num] == nil then
        break
      end
      num = num+1
      tankNum[i] = tankNum[i]+1
    end

    for num = 1, tankNum[i] do
      tanksInfo[i][num] = tanks[i][num].getTankInfo()
    end

  end


end

function clear()
  term.setCursorPos(1, 1)
  term.clear()
end

tankInfo()

function tanksCap()
  capacity = {}

  for i = 1, liquids do
    capacity[i] = 0
    for num = 1, tankNum[i] do
      capacity[i] = capacity[i] + tanksInfo[i][num][1].capacity
    end

    capacity[i] = capacity[i] / 1000
  end
end

function tanksAmo()
  amount = {}

  for i = 1, liquids do
    amount[i] = 0

    for num = 1, tankNum[i] do
      if tanksInfo[i][num][1].contents then
        amount[i] = amount[i] + tanksInfo[i][num][1].contents.amount
      end
    end

    amount[i] = amount[i] / 1000
  end
end


while true do

  periUptd()

  tankInfo()

  tanksCap()

  tanksAmo()

  clear()
  glass.clear()
  for i = 1, liquids do
    glass.addText(Xpos[i], Ypos[i], amount[i] .. "/" .. capacity[i], color[i])
  end
  glass.sync()
  sleep(0.5)
end