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23 lines
665 B
23 lines
665 B
from struct import pack, unpack
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from .zkconst import *
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def zkserialnumber(self):
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"""Start a connection with the time clock"""
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command = CMD_DEVICE
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command_string = '~SerialNumber'
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chksum = 0
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session_id = self.session_id
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reply_id = unpack('HHHH', self.data_recv[:8])[3]
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buf = self.createHeader(command, chksum, session_id,
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reply_id, command_string)
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self.zkclient.sendto(buf, self.address)
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#print buf.encode("hex")
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try:
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self.data_recv, addr = self.zkclient.recvfrom(1024)
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self.session_id = unpack('HHHH', self.data_recv[:8])[2]
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return self.data_recv[8:]
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except:
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return False
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