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
|
#!/usr/bin/env python
#
# Copyright 2007 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
import sys
import struct
from optparse import OptionParser
from usb_packet import *
def dump_packet(raw_pkt, outfile, dump_payload):
pkt = usb_packet(raw_pkt)
outfile.write(pkt.decoded_flags())
outfile.write(' chan= %2d len= %3d timestamp= 0x%08x rssi= % 2d tag= %2d\n' % (
pkt.chan(), pkt.payload_len(), pkt.timestamp(), pkt.rssi(), pkt.tag()))
if dump_payload:
assert pkt.payload_len() % 4 == 0
shorts = struct.unpack('<%dh' % (pkt.payload_len() // 2), pkt.payload())
for i in range(0, len(shorts), 2):
outfile.write(' %6d, %6d\n' % (shorts[i], shorts[i+1]))
def dump_packets(infile, outfile, dump_payload):
raw_pkt = infile.read(512)
while raw_pkt:
if len(raw_pkt) != 512:
sys.stderr.write("File length is not a multiple of 512 bytes")
raise SystemExit, 1
dump_packet(raw_pkt, outfile, dump_payload)
raw_pkt = infile.read(512)
def main():
parser = OptionParser()
parser.add_option('-p', '--dump-payload', action='store_true', default=False,
help='dump payload in decimal and hex')
(options, files) = parser.parse_args()
if len(files) == 0:
dump_packets(sys.stdin, sys.stdout, options.dump_payload)
else:
for f in files:
dump_packets(open(f, "r"), sys.stdout, options.dump_payload)
if __name__ == '__main__':
main()
|
