bmarechal / FPC1000_viewer

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Authored by bmarechal
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File was created 1 #!/usr/bin/env python
2
3 # -*- coding: utf-8 -*-
4
5 from pyqtgraph.Qt import QtGui, QtCore
6 import argparse, numpy, pyqtgraph, socket, sys
7
8 #==============================================================================
9
10 # Default filename
11 IP = '192.168.0.11'
12 PORT = 5555
13
14 #==============================================================================
15
16 def parse():
17 """
18 Specific parsing procedure for Allan Deviation plotting tool.
19 :returns: populated namespace (parser)
20 """
21 parser = argparse.ArgumentParser(description = 'R&S FPC1000 spectrum viewer',
22 epilog = 'Example: \'./FPC1000_viewer.py -ip \'192.168.0.2\' -p 1234\' plot current spectrum from given device')
23
24 parser.add_argument('-ip',
25 action='store',
26 dest='ip',
27 default=IP,
28 help='device IP (default '+IP+')')
29
30 parser.add_argument('-p',
31 action='store',
32 dest='port',
33 default=PORT,
34 help='device port (default '+str(PORT)+')')
35
36 args = parser.parse_args()
37 return args
38
39 #==============================================================================
40
41 def send(sock, command):
42 sock.send("%s\n"%command)
43
44 #==============================================================================
45
46 def read(sock):
47 ans = ''
48 nb_data_list = []
49 nb_data = ''
50 try:
51 while ans != '\n':
52 ans = sock.recv(1)
53 nb_data_list.append(ans) # Return the number of data
54 list_size = len(nb_data_list)
55 for j in range (0, list_size):
56 nb_data = nb_data+nb_data_list[j]
57 return nb_data
58 except socket.timeout:
59 print "Socket timeout error when reading."
60
61 #==============================================================================
62
63 def get_spectrum(sock):
64 send(sock, 'FREQ:STAR?')
65 x1 = read(sock)
66 x1 = float(x1.replace('\n',''))
67 send(sock, 'FREQ:STOP?')
68 x2 = read(sock)
69 x2 = float(x2.replace('\n',''))
70 send(sock, 'TRAC?')
71 y = read(sock)
72 y = numpy.array(y.replace('\n','').split(','), dtype='float')
73 x = numpy.linspace(x1, x2, len(y))
74 return (x, y)
75
76 #==============================================================================
77
78 def main():
79 """
80 Main script
81 """
82 # Parse command line
83 args = parse()
84 # ip
85 ip = str(args.ip)
86 # port
87 port = int(args.port)
88
89 try:
90 sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM,socket.IPPROTO_TCP)
91 sock.settimeout(10.0)
92 sock.connect((ip, port))
93
94 app = QtGui.QApplication([])
95
96 win = pyqtgraph.GraphicsWindow(title='Basic FPC1000 viewer (%s:%i)'%(ip, port))
97
98 pyqtgraph.setConfigOptions(antialias=True)