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| author | Uwe Hermann <uwe@hermann-uwe.de> | 2017-12-09 17:25:53 +0100 |
|---|---|---|
| committer | Uwe Hermann <uwe@hermann-uwe.de> | 2017-12-09 17:25:53 +0100 |
| commit | c413347e757ede98757d0f5d629a73fb0736ed26 (patch) | |
| tree | 974f29c20a413b723f16cfa47ff99d99c0e284c7 /decoders/common | |
| parent | b9b63977498f2114cf41d9039223481cbcaf3a45 (diff) | |
| download | libsigrokdecode-c413347e757ede98757d0f5d629a73fb0736ed26.tar.gz libsigrokdecode-c413347e757ede98757d0f5d629a73fb0736ed26.zip | |
graycode: Move bitpack/bitunpack to common/.
Diffstat (limited to 'decoders/common')
| -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 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) |