Commit acf3be97dfac7a29b2f396fa9fec6208e5d41edb

Authored by bmarechal
1 parent 4e424a66ab
Exists in master

add HP53132A support

Showing 1 changed file with 96 additions and 0 deletions Side-by-side Diff

instruments/HP53132A.py
  1 +from abstract_instrument import abstract_instrument
  2 +import socket
  3 +
  4 +#==============================================================================
  5 +
  6 +ALL_VAL_TYPE = ['FREQ']
  7 +ALL_CHANNELS = ['1', '2']
  8 +
  9 +ADRESS = "192.168.0.52"
  10 +CONF_VAL_TYPE = [':FETCH:FREQ?']
  11 +
  12 +#==============================================================================
  13 +
  14 +class HP53132A(abstract_instrument):
  15 + def __init__(self, channels, vtypes, adress):
  16 + self.adress = adress
  17 + self.port = 1234
  18 + self.gpib_addr = 12
  19 + self.channels = channels
  20 + self.vtypes = vtypes
  21 +
  22 + def model(self):
  23 + #self.send("*IDN?")
  24 + #return self.read()
  25 + return "HP53132A"
  26 +
  27 + def connect(self):
  28 + print('Connecting to device @%s:%s...' %(self.adress, self.port))
  29 + self.sock = socket.socket(socket.AF_INET,
  30 + socket.SOCK_STREAM,
  31 + socket.IPPROTO_TCP)
  32 + self.sock.settimeout(10.0) # Don't hang around forever
  33 + self.sock.connect((self.adress, self.port))
  34 + self.init_prologix()
  35 + print(' --> Ok')
  36 + print(self.model())
  37 + self.configure()
  38 +
  39 + def configure(self):
  40 + self.strCh = ''
  41 + for ch in self.channels:
  42 + self.strCh = self.strCh + '%s;'%(CONF_VAL_TYPE[ALL_VAL_TYPE.index(self.vtypes[self.channels.index(ch)])])
  43 + self.strCh = self.strCh[0:-1]
  44 + self.send(':FORMAT ASCII')
  45 + self.send(":FUNC 'FREQ 1'")
  46 + self.send(":ROSC:SOUR INT")
  47 + self.send(":INIT:CONT ON")
  48 + print(self.strCh)
  49 +
  50 + def getValue(self):
  51 + self.send(self.strCh)
  52 + return self.read()
  53 +
  54 + def read(self):
  55 + self.send("++read eoi")
  56 + ans = ''
  57 + nb_data_list = []
  58 + nb_data = ''
  59 + try:
  60 + while ans != '\n':
  61 + ans = self.sock.recv(1)
  62 + nb_data_list.append(ans) # Return the number of data
  63 + list_size = len(nb_data_list)
  64 + for j in range (0, list_size):
  65 + nb_data = nb_data+nb_data_list[j]
  66 + return nb_data
  67 + except socket.timeout:
  68 + print "Socket timeout error when reading."
  69 + raise
  70 +
  71 + def disconnect(self):
  72 + self.send('*RST')
  73 + self.sock.close()
  74 +
  75 + def send(self, command):
  76 + self.sock.send("%s\n"%command)
  77 +
  78 + def init_prologix(self):
  79 + try:
  80 + self.sock.send("++mode 1\n") # Set mode as CONTROLLER
  81 + self.sock.send('++addr ' + str(self.gpib_addr) + '\n') # Set the GPIB address
  82 + self.sock.send('++eos 3\n') # Set end-of-send character to nothing
  83 + self.sock.send("++eoi 1\n") # Assert EOI with last byte to indicate end
  84 + self.sock.send("++read_tmo_ms 2750\n") # Set read timeout
  85 + self.sock.send("++auto 0\n") # Turn off read-after-write to avoid
  86 + # "Query Unterminated" errors
  87 +
  88 + except self.socket.timeout:
  89 + print "Socket timeout"
  90 + raise
  91 + except self.socket.error as er:
  92 + print "Socket error: " + str(er)
  93 + raise
  94 + except Exception as er:
  95 + print "Unexpected error: " + str(er)
  96 + raise