##
## This file is part of the libsigrokdecode project.
##
-## Copyright (C) 2012-2014 Uwe Hermann <uwe@hermann-uwe.de>
+## Copyright (C) 2012-2020 Uwe Hermann <uwe@hermann-uwe.de>
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## along with this program; if not, see <http://www.gnu.org/licenses/>.
##
-from enum import IntEnum, unique
+from enum import Enum, IntEnum, unique
from itertools import chain
+import re
# Return the specified BCD number (max. 8 bits) as integer.
def bcd2int(b):
def bitpack(bits):
return sum([b << i for i, b in enumerate(bits)])
+def bitpack_lsb(bits, idx=None):
+ '''Conversion from LSB first bit sequence to integer.'''
+ if idx is not None:
+ bits = [b[idx] for b in bits]
+ return bitpack(bits)
+
+def bitpack_msb(bits, idx=None):
+ '''Conversion from MSB first bit sequence to integer.'''
+ bits = bits[:]
+ if idx is not None:
+ bits = [b[idx] for b in bits]
+ bits.reverse()
+ return bitpack(bits)
+
def bitunpack(num, minbits=0):
res = []
while num or minbits > 0:
minbits -= 1
return tuple(res)
+@unique
+class SrdStrEnum(Enum):
+ @classmethod
+ def from_list(cls, name, l):
+ # Keys are limited/converted to [A-Z0-9_], values can be any string.
+ items = [(re.sub('[^A-Z0-9_]', '_', l[i]), l[i]) for i in range(len(l))]
+ return cls(name, items)
+
+ @classmethod
+ def from_str(cls, name, s):
+ return cls.from_list(name, s.split())
+
@unique
class SrdIntEnum(IntEnum):
@classmethod