bmarechal / datalogger-gui

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instruments/AG34461A.py 2.23 KB
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91efd0ebc   mer0m   Add files via upload 
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  from abstract_instrument import abstract_instrument
  import socket
  
  #==============================================================================
  
  ALL_VAL_TYPE = ['DCV', 'ACV', 'DCI', 'ACI', 'RES2W', 'RES4W', 'FREQ']
  ALL_CHANNELS = ['1']
9058343c5   bmarechal   some minor fixes 
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  ADDRESS = "192.168.0.61"
91efd0ebc   mer0m   Add files via upload 
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  CONF_VAL_TYPE = ['CONF:VOLT:DC', 'CONF:VOLT:AC', 'CONF:CURR:DC', 'CONF:CURR:AC', 'CONF:RES', 'CONF:FRES', 'CONF:FREQ']
  
  #==============================================================================
  
  class AG34461A(abstract_instrument):
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      def __init__(self, channels, vtypes, address):
          self.address = address
91efd0ebc   mer0m   Add files via upload 
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          self.port = 5025
          self.channels = channels
          self.vtypes = vtypes
  
      def model(self):
          #self.send("*IDN?")
          #return self.read()
a52533e35   bmarechal   - 
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          return "AG34461A"
91efd0ebc   mer0m   Add files via upload 
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      def connect(self):
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          print('Connecting to device @%s:%s...' %(self.address, self.port))
91efd0ebc   mer0m   Add files via upload 
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          self.sock = socket.socket(socket.AF_INET,
                               socket.SOCK_STREAM,
                               socket.IPPROTO_TCP)
          self.sock.settimeout(10.0)    # Don't hang around forever
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          self.sock.connect((self.address, self.port))
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          self.send("SYST:BEEP")
          print('  --> Ok')
          print(self.model())
          self.configure()
  
      def configure(self):
          for ch in self.channels:
              self.send(CONF_VAL_TYPE[ALL_VAL_TYPE.index(self.vtypes[self.channels.index(ch)])])
  
      def getValue(self):
          mes = ''
          for ch in self.channels:
              self.send("READ?")
              mesTemp = self.read()
              mes = mes + '\t' + mesTemp
          return mes
  
      def read(self):
          ans = ''
          nb_data_list = []
          nb_data = ''
          try:
              while ans != '
  ':
                  ans = self.sock.recv(1)
                  nb_data_list.append(ans) # Return the number of data
              list_size = len(nb_data_list)
              for j in range (0, list_size):
                  nb_data = nb_data+nb_data_list[j]
              return nb_data
          except socket.timeout:
              print "Socket timeout error when reading."
              raise
  
      def disconnect(self):
          self.send('*RST')
          self.send("SYST:BEEP")
          self.sock.close()
  
      def send(self, command):
          self.sock.send("%s
  "%command)