X-Git-Url: https://sigrok.org/gitweb/?p=libsigrokdecode.git;a=blobdiff_plain;f=decoders%2Fcommon%2Fsrdhelper%2Fmod.py;fp=decoders%2Fcommon%2Fsrdhelper%2Fmod.py;h=b559c95edc5f280ae727fb6c34a372143b01be17;hp=4871205f08261aad2786a175ee2fe48687f5941a;hb=c413347e757ede98757d0f5d629a73fb0736ed26;hpb=b9b63977498f2114cf41d9039223481cbcaf3a45 diff --git a/decoders/common/srdhelper/mod.py b/decoders/common/srdhelper/mod.py index 4871205..b559c95 100644 --- a/decoders/common/srdhelper/mod.py +++ b/decoders/common/srdhelper/mod.py @@ -20,3 +20,17 @@ # Return the specified BCD number (max. 8 bits) as integer. def bcd2int(b): return (b & 0x0f) + ((b >> 4) * 10) + +def bitpack(bits): + res = 0 + for i, b in enumerate(bits): + res |= b << i + return res + +def bitunpack(num, minbits=0): + res = [] + while num or minbits > 0: + res.append(num & 1) + num >>= 1 + minbits -= 1 + return tuple(res)