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# -*- encoding: utf-8 -*-
from __future__ import print_function, unicode_literals, division, absolute_import
def get_bit(byte, bit):
''' Get bit value from byte '''
return (byte >> bit) & 0x01
def combine_hex(data):
''' Combine list of integer values to one big integer '''
output = 0x00
for i, value in enumerate(reversed(data)):
output |= (value << i * 8)
return output
def to_bitarray(data, width=8):
''' Convert data (list of integers, bytearray or integer) to bitarray '''
if isinstance(data, list) or isinstance(data, bytearray):
data = combine_hex(data)
return [True if digit == '1' else False for digit in bin(data)[2:].zfill(width)]
def from_bitarray(data):
''' Convert bit array back to integer '''
return int(''.join(['1' if x else '0' for x in data]), 2)
def to_hex_string(data):
''' Convert list of integers to a hex string, separated by ":" '''
if isinstance(data, int):
return '%02X' % data
return ':'.join([('%02X' % o) for o in data])
def from_hex_string(hex_string):
reval = [int(x, 16) for x in hex_string.split(':')]
if len(reval) == 1:
return reval[0]
return reval
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