1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
#!/usr/bin/env python
from gnuradio.uhd.uhd_app import UHDApp
from usrptest.flowgraphs import phasealignment_fg
from usrptest.functions import run_test, setup_phase_alignment_parser, setup_tx_phase_alignment_parser, setup_manual_phase_alignment_parser
import time
import argparse
def plot_results(results):
import matplotlib.pyplot as plt
ax = plt.axes()
ax.set_ylim(-180, 180)
for result in results:
plt.errorbar(
range(len(result['avg'])),
result["avg"],
result["stddev"],
label="{} - {}".format(result["first"], result["second"]),
axes=ax)
ax.legend(loc='upper left', bbox_to_anchor=(0.0, 0.0))
plt.show()
def print_results(results):
for result in results:
print('Results for: {first} - {second}'.format(
first=result['first'], second=result['second']))
for i, (avg,
stddev) in enumerate(zip(result['avg'], result['stddev'])):
print('\t {}. run avg: {}, stddev: {}'.format(i + 1, avg, stddev))
def main():
parser = argparse.ArgumentParser(conflict_handler='resolve')
UHDApp.setup_argparser(parser=parser)
parser = setup_phase_alignment_parser(parser)
parser = setup_tx_phase_alignment_parser(parser)
parser = setup_manual_phase_alignment_parser(parser)
args = parser.parse_args()
test_app = UHDApp(args=args)
if args.auto and args.start_freq and args.stop_freq:
from random import uniform
bw = (args.stop_freq - args.start_freq) / args.freq_bands
for nband in range(args.freq_bands):
freq1 = args.start_freq + nband * bw
new_freq = uniform(freq1, freq1 + bw)
test_app.args.freq = new_freq
raw_input(
"New test frequency: {:f} MHz. Adjust your signal generator and press ENTER to start measurement.".
format(new_freq / 1e6))
fg = phasealignment_fg.phasealignment_fg(test_app)
fg.start()
results = run_test(fg, args.runs)
fg.stop()
fg.wait()
if args.plot:
plot_results(results)
print_results(results)
else:
fg = phasealignment_fg.phasealignment_fg(test_app)
fg.start()
results = run_test(fg, args.runs)
fg.stop()
fg.wait()
if args.plot:
plot_results(results)
print_results(results)
if __name__ == '__main__':
main()
|
