diff options
| -rw-r--r-- | decoders/common/srdhelper/mod.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/decoders/common/srdhelper/mod.py b/decoders/common/srdhelper/mod.py index 6c45af9..b56cce6 100644 --- a/decoders/common/srdhelper/mod.py +++ b/decoders/common/srdhelper/mod.py @@ -31,6 +31,20 @@ def bin2int(s: str): 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: |