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rle: increase dw automatically when needed

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Florent Kermarrec 2015-02-23 09:41:18 +01:00
parent 2a2c3af380
commit d3486dba91
2 changed files with 1 additions and 2 deletions
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2
litescope/core/storage.py
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@ -28,8 +28,6 @@ class LiteScopeRunLengthEncoderUnit(Module):
def __init__(self, dw, length):
self.dw = dw
self.length = length
if dw < (log2_int(length) + 1):
raise ValueError("Not enough bits to encode RLE length, increase dw or reduce RLE length")
self.sink = sink = Sink(data_layout(dw))
self.source = source = Source(data_layout(dw))

1
litescope/frontend/la.py
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@ -13,6 +13,7 @@ class LiteScopeLA(Module, AutoCSR):
self.data = Cat(*layout)
self.dw = flen(self.data)
if with_rle:
self.dw = max(self.dw, log2_int(rle_length))
self.dw += 1
self.depth = depth
self.clk_domain = clk_domain