SFG R303A Series, Руководство пользователя, Страница: 14 / 24

Header Module
address
Package
identifier
Package
length
Confirmation
code
Checksum
0xEF01 Xxxx 07H 03H xxH Sum
Note: Confirmation code=00H: finger collection successs;
Confirmation code=01H: error when receiving package;
Confirmation code=02H: can’t detect finger;
Confirmation code=03H: fail to collect finger;
Upload image UpImage
Description: to upload the image in Img_Buffer to upper computer. Refer to 1.1.1 for more about
image buffer.
Input Parameter: none
Return Parameter: Confirmation code (1 byte)
Instuction code: 0aH
Command (or instruction) package format:
2 bytes 4bytes 1 byte 2 bytes 1 byte 2 bytes
Header Module address Package
identifier
Package length Instruction code Checksum
0xEF01 Xxxx 01H 03H 0aH 000eH
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=0fH: fail to transfer the following data packet;
2
：
Module shall transfer the following data packet after responding to the upper
computer.
Download the image DownImage
Description: to download image from upper computer to Img_Buffer. Refer to 1.1.1 for more about
the image buffer.
Input Parameter: none
Return Parameter: Confirmation code (1 byte)
Instuction code: 0bH
Command (or instruction) package format:
2 bytes 4bytes 1 byte 2 bytes 1 byte 2 bytes
Header Module address Package
identifier
Package
length
Instruction
code
Checksum
0xEF01 Xxxx 01H 03H 0bH 000fH
Acknowledge package format:
2 bytes 4bytes 1 byte 2 bytes 1 byte 2 bytes
Header Module Package Package Confirmation Checksum
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