Marson MT580W, Руководство пользователя, Страница: 20 / 154

Enter Setup
** Exit Setup 20
Access the Engine with Your Program
Use CreateFile to access the engine as a HID device and then use ReadFile to deliver the scanned data
to the application program. Use WriteFile to send data to the engine.
For detailed information about USB and HID interfaces, go to www.USB.org .
Acquire Scanned Data
After scanning and decoding a barcode, the engine sends the following input report:
Bit
Byte 7 6 5 4 3 2 1 0
0 Report ID = 0x02
1 Length of the barcode
2-57 Decoded data (1-56)
58-60 AIM ID
61-62 Reserved
63 - - - - - - -
Decoded
Data
Continued
Send Data to the Engine
This output report is used to send data to the device. All programming commands can be used.
Bit
Byte 7 6 5 4 3 2 1 0
0 Report ID = 0x04
1 Length of the output data
2-63 Output data (1-62)