new_contents: """
  minicps constants.
  """
  
  PLCS_IP = {
      'plc1': '192.168.1.10',
      'plc2': '192.168.1.20',
      'plc3': '192.168.1.30',
      'plc4': '192.168.1.40',
      'plc5': '192.168.1.50',
      'plc6': '192.168.1.60',
      'plc1r': '192.168.1.11',
      'plc2r': '192.168.1.21',
      'plc3r': '192.168.1.31',
      'plc4r': '192.168.1.41',
      'plc5r': '192.168.1.51',
      'plc6r': '192.168.1.61',
  }
  PLCS_MAC = {
      'plc1': '00:1D:9C:C7:B0:70',
      'plc2': '00:1D:9C:C8:BC:46',
      'plc3': '00:1D:9C:C8:BD:F2',
      'plc4': '00:1D:9C:C7:FA:2C',
      'plc5': '00:1D:9C:C8:BC:2F',
      'plc6': '00:1D:9C:C7:FA:2D',
      'plc1r': '00:1D:9C:C8:BD:E7',
      'plc2r': '00:1D:9C:C8:BD:0D',
      'plc3r': '00:1D:9C:C7:F8:3B',
      'plc4r': '00:1D:9C:C8:BC:31',
      'plc5r': '00:1D:9C:C8:F4:B9',
      'plc6r': '00:1D:9C:C8:F5:DB',
  }
  PLCS = len(PLCS_IP)
  
  APS_IP = {
      'ap1': 'TODO',  # MOXA
      'ap2': 'TODO',
      'ap3': 'TODO',
      'ap4': 'TODO',
      'ap5': 'TODO',
      'ap6': 'TODO',
      'ap_network': 'TODO',  # connected to system firewall
  }
  APS_MAC = {
      'ap1': 'TODO',  # MOXA
      'ap2': 'TODO',
      'ap3': 'TODO',
      'ap4': 'TODO',
      'ap5': 'TODO',
      'ap6': 'TODO',
      'ap_network': 'TODO',  # connected to system firewall
  }
  APS = len(APS_IP)
  
  SCADA = {
  }
  
  HMI = {
  }
  
subject: Add constants module