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Based on kernel version 3.15.4. Page generated on 2014-07-07 09:03 EST.

1	#!/usr/bin/env python
2	# Copyright 2009 Simon Arlott
3	#
4	# This program is free software; you can redistribute it and/or modify it
5	# under the terms of the GNU General Public License as published by the Free
6	# Software Foundation; either version 2 of the License, or (at your option)
7	# any later version.
8	#
9	# This program is distributed in the hope that it will be useful, but WITHOUT
10	# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11	# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12	# more details.
13	#
14	# You should have received a copy of the GNU General Public License along with
15	# this program; if not, write to the Free Software Foundation, Inc., 59
16	# Temple Place - Suite 330, Boston, MA  02111-1307, USA.
17	#
18	# Usage: cxacru-cf.py < cxacru-cf.bin
19	# Output: values string suitable for the sysfs adsl_config attribute
20	#
21	# Warning: cxacru-cf.bin with MD5 hash cdbac2689969d5ed5d4850f117702110
22	# contains mis-aligned values which will stop the modem from being able
23	# to make a connection. If the first and last two bytes are removed then
24	# the values become valid, but the modulation will be forced to ANSI
25	# T1.413 only which may not be appropriate.
26	#
27	# The original binary format is a packed list of le32 values.
28	
29	import sys
30	import struct
31	
32	i = 0
33	while True:
34		buf = sys.stdin.read(4)
35	
36		if len(buf) == 0:
37			break
38		elif len(buf) != 4:
39			sys.stdout.write("\n")
40			sys.stderr.write("Error: read {0} not 4 bytes\n".format(len(buf)))
41			sys.exit(1)
42	
43		if i > 0:
44			sys.stdout.write(" ")
45		sys.stdout.write("{0:x}={1}".format(i, struct.unpack("<I", buf)[0]))
46		i += 1
47	
48	sys.stdout.write("\n")
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