from abstract_instrument import abstract_instrument
  import numpy, time
  
  #==============================================================================
  
  ALL_VAL_TYPE = "DCV, ACV, DCI, ACI, RES2W, RES4W, FREQ"
  
  #==============================================================================
  
  class testDevice(abstract_instrument):
      def __init__(self, adress="123.456.789.123", vtype="DCV"):
          self.adress = adress
          self.port = 9999
          self.vtype = vtype
  
      def model(self):
          return 'test device'
  
      def connect(self):
          print('Connecting to device @%s:%s...' %(self.adress, self.port))
          time.sleep(1)
          print('  --> Ok')
  
          print(self.model())
  
          if self.vtype == "DCV":
              print("CONF:VOLT:DC")
          elif self.vtype == "ACV":
              print("CONF:VOLT:AC")
          elif self.vtype == "DCI":
              print("CONF:CURR:DC")
          elif self.vtype == "ACI":
              print("CONF:CURR:AC")
          elif self.vtype == "RES2W":
              print("CONF:RES")
          elif self.vtype == "RES4W":
              print("CONF:FRES")
          elif self.vtype == "FREQ":
              print("CONF:FREQ")
          else:
              print("Wrong -v argument")
              raise
  
      def getValue(self):
          return str(numpy.random.rand())
  
      def read(self):
          print('reading')
          return 1
  
      def disconnect(self):
          print('reset')
  
      def send(self, command):
          print('send %s'%command)