mineUI

modem = nil

function main()
  print("=== Starting Mine GUI ===")
  print("")
  modem = peripheral.wrap("back")
  modem.open(2)
  sendPing()
  -- local queuedRows = 0
  while true do
    print("Lisening for Mining machine...")
    local event, modemSide, senderChannel, replyChannel, message, senderDistance = os.pullEvent("modem_message")
    if message == -1 then
      print("Mining machine is offline and waiting for new jobs...")
      print("please enter the number of rows / -1 for none")
      rows = tonumber(read())
      if rows > 0 then
        modem.transmit(1,2,rows)
      else
    do return end
   end
    else
      print("Mining machine is online and has " ..message.."queued rows")
    end
  end
end

function sendPing()
    modem.transmit(1,2,-1)
end

main()