50 lines
997 B
Python
50 lines
997 B
Python
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#!/usr/bin/env python
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#encoding=utf-8
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from ctypes import *
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class TPkt(BigEndianStructure):
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pass
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TPkt._pack_ = 1
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TPkt._fields_=[
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('len', c_uint, 12),
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('rsv1', c_uint, 2),
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('type', c_uint, 2),
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('rsv2', c_uint16),
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('data', c_uint8 * 2040),
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]
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class TSubPkt(BigEndianStructure):
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pass
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TSubPkt._pack_ = 1
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TSubPkt._fields_=[
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('dev', c_uint, 14),
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('mode', c_uint, 2),
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('addr', c_uint16),
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('cmd', c_uint, 4),
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('slen', c_uint, 12),
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('wkr', c_uint16)
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]
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if __name__ == '__main__':
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packet = b'\0' * 2048
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pkt = cast (packet, POINTER(TPkt)).contents
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pkt.len = 512
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pkt.rsv1 = 0
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pkt.type = 0
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pkt.rsv2 = 0
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pkt.data[0] = 1
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pkt.data[1] = 2
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pkt.data[2] = 3
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pkt.data[3] = 4
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for i in range(10):
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print(hex(packet[i]), ' ')
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