Commit acf3be97dfac7a29b2f396fa9fec6208e5d41edb
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 |