Grow R503 - Command Acknowledgement and Status Codes

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Instruction Table
Code
Identifier
Description
Code
Identifier
Description
01H
GenImg
Collect finger image
12H
SetPwd
To set password
02H
Img2Tz
To generate character file
from image
13H
VfyPwd
To verify password
03H
Match
Carry out precise
matching of two
templates;
14H
GetRandomCo
de
to get random code
04H
Search
Search the finger library
15H
SetAdder
To set device address
05H
RegModel
To combine character files
and generate template
16H
ReadInfPage
Read information page
06H
Store
To store template;
18H
WriteNotepad
to write note pad
07H
LoadChar
to read/load template
19H
ReadNotepad
To read note pad
08H
UpChar
to upload template
1DH
TempleteNum
To read finger template
numbers
09H
DownChr
to download template
1FH
ReadIndexTabl
e
Read-fingerprint
template index table
0AH
UpImage
To upload image
0x28
GetImageEx
Fingerprint image collection
extension command
0BH
DownImage
To download image
0x30
Cancel
Cancel instruction
0CH
DeletChar
to delete templates
0x40
HandShake
HandShake
0DH
Empty
to empty the library
0x36
Check
Sensor
CheckSensor
0EH
SetSysPara
To set system Parameter
0x39
GetAlgVer
Get the algorithm library
version
0FH
ReadSysPar
a
To read system Parameter
0x3C
ReadProdInfo
Read product
information
0x3A
GetFwVer
Get the firmware version
0x35
Aura control
AuraLedConfig
0x3D
SoftRst
Soft reset
0x32
AutoIdentify
Automatic fingerprint
verification
0x31
AutoEnroll
Automatic registration
template
Check and acknowledgement of data package
Note: Commands shall only be sent from upper computer to the Module, and the Module
acknowledges the commands.
Upon receipt of commands, Module will report the commands execution status and results to upper
computer through acknowledge packet. Acknowledge packet has parameters and may also have
following data packet. Upper computer can’t ascertain Module’s package receiving status or
command execution results unless through acknowledge packet sent from Module. Acknowledge
packet includes 1 byte confirmation code and maybe also the returned parameter.
Confirmation code’s definition is :
00h: command execution complete;
01h: error when receiving data package;