Velleman VMA329, Руководство пользователя

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ZFM-70 SeriesFingerprint Identification Module User Manual
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Command (or instruction) package format:
Header Module
address
Package
identifier
Package
length
Instruction
code
buffer
number
Location
number
Checksum
2 bytes 4bytes 1 byte 2 bytes 1 byte 1 byte 2 bytes 2 bytes
0xEF01 xxxx 01H 06H 06H BufferID PageID sum
Note: BufferID of CharBuffer1 and CharBuffer2 are 1h and 2h respectively. Other values (except 1h,
2h) would be processed as CharBuffer2.
Acknowledge package format:
Header Module address Package
identifier
Package
length
Confirmation
code
Checksum
2 bytes 4bytes 1 byte 2 bytes 1 byte 2 bytes
0xEF01 Xxxx 07H 03H xxH sum
Note: Confirmation code=00H: storage success;
Confirmation code=01H: error when receiving package;
Confirmation code=0bH: addressing PageID is beyond the finger library;
Confirmation code=18H: error when writing Flash.
6.3.16 To read template from Flash library
Description: to load template at the specified location (PageID) of Flash library to template buffer
CharBuffer1/CharBuffer2
Input Parameter: BufferID(buffer number), PageID (Flash location of the template, two bytes with high byte
front and low byte behind)
。
Return Parameter: Confirmation code (1 byte)
Instruction code: 07H
Command (or instruction) package format:
Header Module address Package
identifier
Package
length
Instruction
code
buffer number Page
number
Checksum
2 bytes 4bytes 1 byte 2 bytes 1 byte 1 byte 2 bytes 2 bytes
0xEF01 xxxx 01H 06H 07H BufferID PageID sum
Note: BufferID of CharBuffer1 and CharBuffer2 are 1h and 2h respectively. Other values (except 1h, 2h)
would be processed as CharBuffer2.
Acknowledge package format:
Header Module address Package identifier Package length Confirmation code Checksum
2 bytes 4bytes 1 byte 2 bytes 1 byte 2 bytes
0xEF01 xxxx 07H 03H XxH sum
Note: Confirmation code=00H: load success;
Confirmation code=01H: error when receiving package;
Confirmation code=0cH: error when reading template from library or the readout template is invalid;
Confirmation code=0BH: addressing PageID is beyond the finger library;