本文整理汇总了Python中bitstring.BitArray.ror方法的典型用法代码示例。如果您正苦于以下问题：Python BitArray.ror方法的具体用法？Python BitArray.ror怎么用？Python BitArray.ror使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类bitstring.BitArray的用法示例。
在下文中一共展示了BitArray.ror方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: speed_and_direction_packet
# 需要导入模块: from bitstring import BitArray [as 别名]
# 或者: from bitstring.BitArray import ror [as 别名]
def speed_and_direction_packet(address,
speed,
speed_steps,
direction,
headlight=False):
"""
Build a speed and direction packet.
param address int is the dcc device address.
param speed int is the speed. Depending on the
speed steps we make a baseline packet
or a 128-bit packet
param direction int is 1 for forward and 0 for backwards.
"""
address_bin = BitArray('uint:8=%d' % address)
if speed_steps == 128:
# Build a 2 byte advanced operation instruction
instruction_bin1 = BitArray('0b00111111')
instruction_bin2 = BitArray()
if direction:
instruction_bin2.append('0b1')
else:
instruction_bin2.append('0b0')
speed_bin = BitArray('uint:7=%d' % speed)
instruction_bin2.append(speed_bin)
error = address_bin ^ instruction_bin1 ^ instruction_bin2
data = [instruction_bin1, instruction_bin2, error]
else:
# Build a 1 byte direction and speed baseline packet
instruction_bin = BitArray('0b01')
if direction:
instruction_bin.append('0b1')
else:
instruction_bin.append('0b0')
if speed_steps == 14:
if headlight:
instruction_bin.append('0b1')
else:
instruction_bin.append('0b0')
speed_bin = BitArray('uint:4=%d' % speed)
else:
speed_bin = BitArray('uint:5=%d' % speed)
speed_bin.ror(1)
instruction_bin.append(speed_bin)
error = address_bin ^ instruction_bin
data = [instruction_bin, error]
return DCCGeneralPacket(address_bin, data)示例2: AHash
# 需要导入模块: from bitstring import BitArray [as 别名]
# 或者: from bitstring.BitArray import ror [as 别名]
def AHash(k,p,bstream):
block_size = int((k-1)*math.floor(math.log(p,2)))
n_block = int(math.ceil(bstream.len/float(block_size)))
message_size = block_size * n_block
b0 = message_size
#reset bitstream position
bstream.pos = 0
for i in range(1,n_block+1):
try:
b0 = roundHash(k, p, BitStream(bstream.read(block_size)), b0)
except:
padding_size = block_size - bstream.len%block_size
b0 = roundHash(k, p,
BitStream("0b" + bstream.read(bstream.len - bstream.pos).bin + "0" * padding_size),
b0)
if(i != n_block):
tmp_b0 = BitArray("uint:" + str(int(math.ceil(math.log(p,2)))) + "=" + str(b0))
tmp_b0.ror(int(math.ceil(math.log(p,2))//2))
b0 = tmp_b0.uint
return b0示例3: testRor
# 需要导入模块: from bitstring import BitArray [as 别名]
# 或者: from bitstring.BitArray import ror [as 别名]
def testRor(self):
s = BitArray("0b1000")
s.ror(1)
self.assertEqual(s, "0b0100")