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Module

address

identifie

r

length

on code

for

capture

number

quantity m

0xEF01

xxxx

01H

08H

32H

xxH

xxxxH

xxH

sum

Note:

1. original module address: 0XFFFFFFFF

2. capture time: 0~ffH，0x20≈ 4.5s，0x25 ≈ 5.5 秒，0x30 ≈ 6.5 秒.

3. Start bit: 0~ max fingerprint capacity

4. Search quantity: 0 ~ N-1 max fingerprint capacity

Acknowledge package format:

2 bytes

4 bytes

1 bytes

2 bytes

1 bytes

2 bytes

2 bytes

2 bytes

Header

Module

address

Package

identifier

Package

length

Confirma

tion code

page

score

Checksu

m

0xEF01

xxxx

07H

07H

xxH

PageID

MatchSc

ore

sum

Note:

1. Confirmation code=00H: read complete;

2. Confirmation code=01H: error when receiving package

3. Confirmation code=06H:fail to generate character file due to the over-disorderly

fingerprint image;

4. Confirmation code=07H: fail to generate character file due to lackness of character point

or over-smallness of fingerprint image;

5. Confirmation code=09H: No matching in the library (both the PageID and matching

score are 0);

Automatic Fingerprint verification

GR_Identify

Description: Automatic collect fingerprint, match captured fingerprint with fingerprint library and

return result.

Input parameter: None

Return parameter: Confirmation code; page; Match score

Instruction code: 34H

Command (or instruction) package format:

2 bytes

4 bytes

1 byte

2 byte

1 byte

2 byte

Header

Module

address

Package

identifier

Package

length

Instruction

code

Checksum

0xEF01

xxxx

01H

03H

34H

38H

Note: Default module address: 0XFFFFFFFF

Acknowledge

package format:

Note:

2 bytes

4 bytes

1 bytes

2 bytes

1 bytes

2 bytes

2 bytes

2 bytes

Header

Module

address

Package

identifier

Package

length

Confirma

tion code

page

score

Checksu

m

0xEF01

xxxx

07H

07H

xxH

PageID

MatchSc

ore

sum