[libsigrokdecode.git] / decoders / common / srdhelper / mod.py

##
## This file is part of the libsigrokdecode project.
##
## Copyright (C) 2012-2014 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
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program 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, see <http://www.gnu.org/licenses/>.
##

# Return the specified BCD number (max. 8 bits) as integer.
def bcd2int(b):
    return (b & 0x0f) + ((b >> 4) * 10)

def bin2int(s: str):
    return int('0b' + s, 2)

def bitpack(bits):
    return sum([b << i for i, b in enumerate(bits)])

def bitunpack(num, minbits=0):
    res = []
    while num or minbits > 0:
        res.append(num & 1)
        num >>= 1
        minbits -= 1
    return tuple(res)
Commit	Line	Data
	1	##
	2	## This file is part of the libsigrokdecode project.
	3	##
	4	## Copyright (C) 2012-2014 Uwe Hermann <uwe@hermann-uwe.de>
	5	##
	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.
	10	##
	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.
	15	##
	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/>.
	18	##
	19
	20	# Return the specified BCD number (max. 8 bits) as integer.
	21	def bcd2int(b):
	22	return (b & 0x0f) + ((b >> 4) * 10)
	23
	24	def bin2int(s: str):
	25	return int('0b' + s, 2)
	26
	27	def bitpack(bits):
	28	return sum([b << i for i, b in enumerate(bits)])
	29
	30	def bitunpack(num, minbits=0):
	31	res = []
	32	while num or minbits > 0:
	33	res.append(num & 1)
	34	num >>= 1
	35	minbits -= 1
	36	return tuple(res)