
- 19 -
www.hzgrow.com
address
length
content
0xEF01
xxxx
0x02- have
following packet
0x08 - end packet
N+2
Template
data
sum
Download template
DownChar
Description: upper computer download template to module buffer
Input Parameter: CharBufferID (Buffer number)
Return Parameter: Confirmation code (1 byte)
Instruction code: 09H
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
Buffer number Checksum
0xEF01
xxxx
01H
04H
09H
CharBufferID
sum
Note: This command don’t need to use the CharBufferID, so the CharBufferID can be
any value between 1 and 6.
Acknowledge package format:
2 bytes
4bytes
1 byte
2 bytes
1 byte
2 bytes
Header
Module
address
Package
identifier
Package
length
Confirmation
code
Checksum
0xEF01
xxxx
07H
03H
xxH
sum
Note 1: Confirmation code=00H: ready to transfer the following data packet;
Confirmation code=01H: error when receiving package;
Confirmation code=0eH: can not receive the following data packet
Data package format:
2 bytes
4bytes
1 byte
2 bytes
N byte
2 bytes
Header
Module
address
Package identifier
Package
length
Package
content
Checksum
0xEF01
xxxx
0x02- have
following packet
0x08 - end packet
N+2
Template
data
sum
Note 2. The upper computer sends the command packet, the module sends the acknowledge
packet first, and then sends several data packet.
3.Packet Bytes N is determined by Packet Length. The value is 128 Bytes before
delivery.
4. The instruction doesn’t affect buffer contents.
To store template
Store
Description: to store the template of specified buffer (Buffer1/Buffer2) at the designated location of
Flash library.
Input Parameter: CharBufferID, ModelID
Return Parameter: Confirmation code (1 byte)