Grow R503 - Readindextable（0 X1 F

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2 bytes
4bytes
1 byte
2 bytes
1 byte
2 bytes
Header
Module address
Package
identifier
Package
length
Instruction
code
Checksum
0xEF01
xxxx
01H
0003H
1dH
0021H
Acknowledge package format:
2 bytes
4bytes
1 byte
2 bytes
1 byte
2 bytes
2 bytes
Header
Module
address
Package
identifier
Package
length
Confirmation
code
Template
number
Checksum
0xEF01
xxxx
07H
5
xxH
Num
sum
Note: Confirmation code=0x00: read success;
Confirmation code=0x01: error when receiving package;
Read fingerprint template index table ReadIndexTable
（
0x1F
）
Description: Read the fingerprint template index table of the module, read the index table of the
fingerprint template up to 256 at a time (32 bytes)
Input Parameter: Index page
Return Parameter: Confirmation code+Fingerprint template index table
Instruction code: 0x1F
Command (or instruction) package format:
2 bytes
4bytes
1 byte
2 bytes
1 byte
1 byte
2 bytes
Header
Module
address
Package
identifier
Package
length
Instruction
code
Index page
Checksum
0xEF01
xxxx
0x01
0x0004
0x1F
0/1/2/3
Sum
Index tables are read per page, 256 templates per page
Index page 0 means to read 0 ~ 255 fingerprint template index table
Index page 1 means to read 256 ~ 511 fingerprint template index table
Index page 2 means to read 512 ~ 767 fingerprint template index table
Index page 3 means to read 768 ~ 1023 fingerprint template index table
Acknowledge package format:
2 bytes
4bytes
1 byte
2 bytes
1 byte
32 bytes
2 bytes
Header
Module
address
Package
identifier
Package
length
Confirmation
code
Index page
Check-
sum
0xEF01
xxxx
0x07
0x0023
X
See the table below
sum
Note: Confirmation code=0x00: read complete;
Confirmation code=0x01: error when receiving package;
Index table structure: every 8 bits is a group, and each group is output starting from the high
position.
transport
order
The output is sequential from low byte to high byte, and each byte starts at a high byte.
T[0]
Template number
7
6
5
4
3
2
1
0
Index table data
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
T[1]
Template number
15
14
13
12
11
10
9
8