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3.Packet Bytes N is determined by Packet Length. The value is 128 Bytes before
delivery.
4: The instruction doesn’t affect buffer contents.
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 Information
page
sum
To write note pad WriteNotepad
Description: for upper computer to write data to the specified Flash page.Also see R eadNotepad;
Input Parameter: NotePageNum, user content (or data content)
Return Parameter: Confirmation code (1 byte)
Instruction code: 18H
Command (or instruction) package format:
2 bytes 4bytes 1 byte 2 bytes 1 byte 1byte 32 bytes 2 bytes
Header Module
address
Package
identifier
Package
length
Instruction
code
Page
number
Data
content
Checksum
0xEF01 xxxx 01H 0x0024 18H 0x00-0
x0F
content sum
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: Confirmation code=00H: write success;
Confirmation code=01H: error when receiving package;
Confirmation code=18H: error when write FLASH
To read note pad ReadNotepad
Description: to read the specified page’s data content;Also see WriteNotepad .
Input Parameter: NotePageNum
Return Parameter: Confirmation code (1 byte) + User content
Instruction code: 19H
Command (or instruction) package format:
2 bytes 4bytes 1 byte 2 bytes 1 byte 1byte 2 bytes
Header Module
address
Package
identifier
Package
length
Instruction
code
Page
number
Checksum
0xEF01 xxxx 01H 04H 19H 0x00-0x
0F
Sum