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1 | #!/usr/bin/python3 |
2 | ## | |
3 | ## This file is part of the sigrok-util project. | |
4 | ## | |
5 | ## Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se> | |
6 | ## | |
7 | ## This program is free software; you can redistribute it and/or modify | |
8 | ## it under the terms of the GNU General Public License as published by | |
9 | ## the Free Software Foundation; either version 3 of the License, or | |
10 | ## (at your option) any later version. | |
11 | ## | |
12 | ## This program is distributed in the hope that it will be useful, | |
13 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | ## GNU General Public License for more details. | |
16 | ## | |
17 | ## You should have received a copy of the GNU General Public License | |
18 | ## along with this program; if not, see <http://www.gnu.org/licenses/>. | |
19 | ## | |
20 | ||
21 | import sys | |
22 | import parseelf | |
23 | ||
24 | def extract_symbol(elf, symname, filename): | |
25 | blob = elf.load_symbol(elf.dynsym[symname]) | |
26 | f = open(filename, 'wb') | |
27 | f.write(blob) | |
28 | f.close() | |
29 | print("saved %d bytes to %s" % (len(blob), filename)) | |
30 | ||
31 | def extract_bitstream(elf, lv): | |
32 | extract_symbol(elf, 'gLogic16Lv'+lv+'CompressedBitstream', | |
33 | 'saleae-logic16-fpga-'+lv+'.bitstream') | |
34 | ||
35 | def usage(): | |
231faffa | 36 | print("sigrok-fwextract-saleae-logic16 <programfile>") |
a5419fb5 MC |
37 | sys.exit() |
38 | ||
39 | ||
40 | # | |
41 | # main | |
42 | # | |
43 | ||
44 | if len(sys.argv) != 2: | |
45 | usage() | |
46 | ||
47 | try: | |
48 | filename = sys.argv[1] | |
49 | elf = parseelf.elf(filename) | |
50 | extract_bitstream(elf, '18') | |
51 | extract_bitstream(elf, '33') | |
52 | except Exception as e: | |
53 | print("Error: %s" % str(e)) | |
54 |