ZFM-70 SeriesFingerprint Identification Module
User Manual
www.zhiantec.com
Hangzhou Zhian Technologies Co.,Ltd
34
6.3.11
To generate character file from image
Description: to generate character file from the original finger image in ImageBuffer and store the file
in CharBuffer1 or CharBuffer2.
Input Parameter: BufferID (character file buffer number)
Return Parameter: Confirmation code (1 byte)
Instruction code: 02H
Command (or instruction) package format:
Header
Module
address
Package
identifier
Package length
Instruction code
Buffer number
Checksum
2 bytes
4bytes
1 byte
2 bytes
1 byte
1 byte
2 bytes
0xEF01
xxxx
01H
04H
02H
BufferID
sum
Note: BufferID of CharBuffer1 and CharBuffer2 are 1h and 2h respectively. Other values (except 1h,
2h) would be processed as CharBuffer2.
Acknowledge package format:
Header
Module address
Package identifier
Package length
Confirmation
code
Checksum
2 bytes
4bytes
1 byte
2 bytes
1 byte
2 bytes
0xEF01
xxxx
07H
03H
XxH
sum
Note: Confirmation code=00H: generate character file complete;
Confirmation code=01H: error when receiving package;
Confirmation code=06H: fail to generate character file due to the over-disorderly fingerprint
image;
Confirmation code=07H: fail to generate character file due to lackness of character point or
over-smallness of fingerprint image;
Confirmation code=15H: fail to generate the image for the lackness of valid primary image;
6.3.12
To generate template
Description: To combine information of character files from CharBuffer1 and CharBuffer2 and generate
a template which is stroed back in both CharBuffer1 and CharBuffer2.
Input Parameter
:
none
Return Parameter
:
Confirmation code (1 byte)
Instruction code: 05H
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
03H
05H
09H