2 ## This file is part of the libsigrokdecode project.
4 ## Copyright (C) 2012-2014 Uwe Hermann <uwe@hermann-uwe.de>
6 ## This program is free software; you can redistribute it and/or modify
7 ## it under the terms of the GNU General Public License as published by
8 ## the Free Software Foundation; either version 2 of the License, or
9 ## (at your option) any later version.
11 ## This program is distributed in the hope that it will be useful,
12 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ## GNU General Public License for more details.
16 ## You should have received a copy of the GNU General Public License
17 ## along with this program; if not, see <http://www.gnu.org/licenses/>.
20 from enum import IntEnum, unique
21 from itertools import chain
23 # Return the specified BCD number (max. 8 bits) as integer.
25 return (b & 0x0f) + ((b >> 4) * 10)
28 return int('0b' + s, 2)
31 return sum([b << i for i, b in enumerate(bits)])
33 def bitunpack(num, minbits=0):
35 while num or minbits > 0:
42 class SrdIntEnum(IntEnum):
45 return tuple([a.value for a in cls if a.name.startswith(p)])
48 def prefixes(cls, prefix_list):
49 if isinstance(prefix_list, str):
50 prefix_list = prefix_list.split()
51 return tuple(chain(*[cls._prefix(p) for p in prefix_list]))
55 return tuple([a.value for a in cls if a.name.endswith(s)])
58 def suffixes(cls, suffix_list):
59 if isinstance(suffix_list, str):
60 suffix_list = suffix_list.split()
61 return tuple(chain(*[cls._suffix(s) for s in suffix_list]))
64 def from_list(cls, name, l):
65 # Manually construct (Python 3.4 is missing the 'start' argument).
66 # Python defaults to start=1, but we want start=0.
67 return cls(name, [(l[i], i) for i in range(len(l))])
70 def from_str(cls, name, s):
71 return cls.from_list(name, s.split())