Velleman VMA329, User Manual

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ZFM-70 SeriesFingerprint Identification Module User Manual
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40
address identifier length code
2 bytes 4bytes 1 byte 2 bytes 1 byte 2 bytes 2 bytes 2 bytes
0xEF01 xxxx 07H 7 xxH PageID MatchScore sum
Note 1: Confirmation code=00H: found the matching finer;
Confirmation code=01H: error when receiving package;
Confirmation code=09H: No matching in the library (both the PageID and matching score
are 0);
2: The instruction doesn’t affect the contents of the buffers.
6.4 Other instructions
6.4.1 Write notepad
Description: write 32 bytes user content to notepad page
Input Parameter: Page Number, user content
Return Parameter: Confirmation code (1 byte)
Instruction code:18H
Command (or instruction) package format:
Hea
der
Module
address
Package
identifier
Package
length
Instructi
on code
Page User Info Checksu
m
2 bytes 4 bytes 1 byte 2 bytes 1 byte 1 byte 32 bytes 2 bytes
0xef01 XXXX 0x01 0x0024 0x18 0x00-0x0e 32 bytes Sum
Acknowledge package format:
Header Module
address
Package
identifier
Package
length
Confirma
tion code
Checksu
m
2 bytes 4 bytes 1 byte 2 bytes 1 byte 2 bytes
0xef01 XXXX 0x07 0x0003 X Sum
Note: Confirmation code=00H: success
Others: fail
6.4.2 Read notepad
Description:read user content from notepad page
Input Parameter: page
Return Parameter: Confirmation code (1 byte)+32 bytes user content
Instruction code:19H
Command (or instruction) package format:
Header Module Package Package Instructio
Page Checksum