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gen: add common with reverse_bits/reverse_bytes functions

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Florent Kermarrec 2018-10-30 10:15:29 +01:00
parent 71fc34d7b6
commit b796853893
2 changed files with 12 additions and 0 deletions
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1
litex/gen/__init__.py
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@ -1 +1,2 @@
from litex.gen.sim import * from litex.gen.sim import *
from litex.gen.common import *

11
litex/gen/common.py Normal file
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@ -0,0 +1,11 @@
from migen import *
def reverse_bits(s):
return s[::-1]
def reverse_bytes(s):
n = (len(s) + 7)//8
return Cat(*[s[i*8:min((i + 1)*8, len(s))]
for i in reversed(range(n))])