我想将收到的hex data
转换为binary
形式。我得到ValueError
。
例如,我希望将输出中的第一个值打印为0000
。
received_data = " ".join("{:02x}".format(byte) for byte in (data))
print(received_data)
P_data = "{0:b}".format(received_data[0:1])
输出:
01 04 04
错误:
Traceback (most recent call last):
File "C:\Users\User\eclipse-workspace\Try\test1\test2.py", line 22, in
<module>
P_data="{0:b}".format(received_data[0:1])
ValueError: Unknown format code 'b' for object of type 'str'
答案 0 :(得分:1)
您应该首先将字符串转换为整数
P_data = '{0:b}'.format(int(received_data[0:1], 16)).zfill(4)