Zhiatec ZFM-20 series, Руководство пользователя

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10/31/12 Google Translate
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The instruction packet format:
2 bytes 4 bytes 1 byte 2 bytes 1 byte 1 byte 2 bytes 2 bytes 2 bytes
Baotou Module address packet IDPacket lengthScript buffer number Start Page Pages Checksum
0xef01 XXXX 0x01 0x0008 0x04 BufferID StartPage PageNum Sum
Note: buffer CharBuffer1, CharBuffer2's BufferID is 0x01 and 0x02, respectively
Reply packet format:
2 bytes 4 bytes 1 byte 2 bytes 1 byte 2 bytes 2 bytes 2 bytes
Baotou Module addressPacket identification Packet lengthConfirmation code Page number Score Checksum
0xef01 XXXX 0x07 0x007 X PageID MatchScore Sum
Note: 1, confirmation code = 0x00 searched;
Confirmation code = 0x01 received packets wrong;
Confirmation code = 0x09 did not search;
2, after the instruction is executed, the contents of the feature buffer unchanged.
command packet checksum (2 bytes) = packet marking (1 byte) + packet length (2 bytes) + script (1 byte) + buffer number (1 bytes)
+ Start Page (2 bytes) + pages (2 bytes);
response packet checksum (2 bytes) = packet marking (1 byte) + packet length (2 bytes) + confirmation code (1 byte) + Page (2 bytes)
+ Score (2 bytes);
checksum bytes added to carry more than 2 bytes ignored, big endian transfer;
default module address "0xffffffff"; default password is "0x00000000".
Page 27
Hangzhou refers Security Technology Co., Ltd.
6.3 Other instructions
21) sampled random number GetRandomCode
Function Description: the module chip generates a random number and returns it to the host computer (see section 4.8 of the random number generator).
Input parameters: none
Return parameter: confirm the word
Instruction code: 0x14
The instruction packet format:
2 bytes 4 bytes 1 byte 2 bytes 1 byte 2 bytes
Baotou Module address Packet identification Packet length Instruction codeChecksum
0xef01 XXXX 0x01 0x0003 0x14 0x0018
Reply packet format:
2 bytes 4 bytes 1 byte 2 bytes 1 byte 4 bytes 2 bytes
Baotou Module address Packet identification Packet length Confirmation code Random number Checksum
0xef01 XXXX 0x07 0x0007 X XXXX Sum
Note: confirmation code = 0x00 generate success;
Confirmation code = 0x01 received packets wrong;
command packet checksum (2 bytes) = packet identification (1 byte) + packet length (2 bytes) + script (1 byte);
response packet checksum (2 bytes) = packet identification (1 byte) + packet length (2 bytes) + confirmation code (1 byte) + random number (4 bytes);
checksum bytes added to carry more than 2 bytes ignored, big endian transfer;
default module address "0xffffffff"; default password is "0x00000000".