Velleman VMA329, Руководство пользователя

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ZFM-70 SeriesFingerprint Identification Module User Manual
www.zhiantec.com Hangzhou Zhian Technologies Co.,Ltd
25
Header Module address Package
identifier
Package
length
Confirmation code Checksum
2 bytes 4bytes 1 byte 2 bytes 1 byte 2 bytes
0xEF01 Xxxx 07H 0003H xxH Sum
Note: Confirmation code=00H: parameter setting complete;
Confirmation code=01H: error when receiving package;
Confirmation code=1aH: wrong register number;
6.2.5 Read system Parameter
Description: Read Module’s status register and system basic configuration parameters;
（
Refer to 4.4 for
system configuration parameter and 4.5 for system status register
）
.
Input Parameter
：
none
Return Parameter
：
Confirmation code (1 byte) + basic parameter
（
16bytes
）
Instruction code: 0fH
Command (or instruction) package format:
Header Module address Package identifier Package length Instruction code Checksum
2 bytes 4bytes 1 byte 2 bytes 1 byte 2 bytes
0xEF01 Xxxx 01H 0003H 0fH sum
Acknowledge package format:
Header Module
address
Package
identifier
Package
length
Confirmation code Basic parameter list Checksum
2 bytes 4bytes 1 byte 2 bytes 1 byte 16 bytes 2 bytes
0xEF01 xxxx 07H 0013H xxH See following table sum
Note: Confirmation code=00H: read complete;
Confirmation code=01H: error when receiving package;
Name Description Offset (word) Size (word)
Status register Contents of system status register 0 1
System identifier code Fixed value: 0x0009 1 1
Finger library size Finger library size 2 1
Security level Security level (1, 2, 3, 4, 5) 3 1
Device address 32-bit device address 4 2
Data packet size Size code (0, 1, 2, 3) 6 1
Baud settings N (baud = 9600*N bps) 7 1
6.2.6 Read template index table
Description: read the template NO. list and only support 256 list at most each time.
Input Parameter: list page
Page 0: read the 0-255 finger template list;