rename dcd -> dec8
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parent
ee1c52a1c7
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8 changed files with 5 additions and 5 deletions
77
dcd/bit.py
77
dcd/bit.py
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@ -1,77 +0,0 @@
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#! /usr/bin/env python3
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# encoding: utf-8
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# ----------------------------------------------------------------
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class Bitfield:
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def __init__(self):
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self.value = 0
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self.length = 0
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def shift_in(self, value, length):
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self.value <<= length
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self.value |= value
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self.length += length
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def dump(self, align=True):
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value = self.value
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length = self.length
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pad = (8 - (length % 8)) % 8
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value <<= pad
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length += pad
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Bs = []
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for i in range(length // 8):
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Bs.insert(0, value & 0xff)
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value >>= 8
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return bytes(Bs)
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# ----------------------------------------------------------------
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def raw_to_hex(raw, separator=" "):
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"""
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Converts a bytearray (or bytes) into its textual hexadecimal representation.
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"""
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output = []
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for o in raw:
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output.append(hex(o)[2:].zfill(2))
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return separator.join(output)
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def hex_to_raw(text, separator=" "):
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"""
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Converts a hexadecimal representation of a byte array into a bytearray.
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"""
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output = []
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text = text.replace(separator, "")
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for i in range(len(text)//2):
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output.append(int(text[2*i:2*i+2], 16))
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return bytearray(output)
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def raw_to_bcd(raw):
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"""
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Decodes a bytearray (or bytes) to an integer as BCD.
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"""
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sum = 0
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order = 1
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for byte in reversed(raw):
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sum += (byte & 0x0f) * order
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order *= 10
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sum += (byte >> 4) * order
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order *= 10
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return sum
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def hex_to_bcd(text):
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return raw_to_bcd(hex_to_raw(text))
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