ZFM-70 SeriesFingerprint Identification Module
User Manual
www.zhiantec.com
Hangzhou Zhian Technologies Co.,Ltd
21
list 0.5
Confirmation code’s definition
NO.
Confirmation
code
description
1
0x00
commad execution complete
2
0x01
error when receiving data package
3
0x02
no finger on the sensor
4
0x03
fail to enroll the finger
5
0x06
fail to generate character file due to the over-disorderly fingerprint image
6
0x07
fail to generate character file due to lackness of character point or over-smallness of
fingerprint image
7
0x08
finger doesn’t match;
8
0x09
fail to find the matching finger
9
0x0a
fail to combine the character files;
10
0x0b
addressing PageID is beyond the finger library;
11
0x0c
error when reading template from library or the template is invalid;
12
0x0d
error when uploading template;
13
0x0e
Module can’t receive the following data packages.
14
0x0f
error when uploading image
15
0x10
fail to delete the template;
16
0x11
fail to clear finger library
17
0x13
wrong password!
18
0x15
fail to generate the image for the lackness of valid primary image
19
0x18
error when writing flash;
20
0x1a
invalid register number;
21
0x20
Address error
22
0x21
Must verify password
23
Others
system reserved;
5.3
Brief Work flow
After completing initialization, waiting for instruction from upper computer,when received the instruction,
then execute the instruction, and return the result .
You can enroll and search to complete finger match. Also you can uploading and downloading feature to
complete finger match.
Instruction Decomposition
For example: Capture fingerprint image
Ef 01 ff ff ff ff
01
00 03
01
00 05 (
01 is package Identification, it means command
package)
Note
:
01 is instruction , it means to execute capture fingerprint image.
After received the command, the module will execute the command ,and return the result of command.
Ef 01 ff ff ff ff
07
00 03
02
00 0c
(
07 is package Identification, it means response