Newland NLS-EM20-EX, User Manual

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Startup settings
HID POS (POS HID Bar Code Scanner)
Introduction
HID POS The interface is recommended for new application software. In a separate USB It can send in the message 56 Characters, and is faster than the analog keyboard interface.
feature:
•
based on HID Interface, no need to customize driver.
•
Communication speed is faster than analog keyboard interface and traditional RS-232 The interfaces are much faster.
【 HID POS 】
Software programming method to access equipment
use CreateFile Treat the device as one HID Type device to open and then use ReadFile Pass the scanned data to the application. use WriteFile
Send data to the device. complete USB with HID For interface information, please refer to: www.USB.org .
Get scan data
After successfully reading the barcode, the device will send the following Input Message:
Bit
Byte 7 6 5 4 3 2 1 0
0
Message ID = 0x02
1
Barcode data length
2-57
Barcode data ( 1-56 )
58-61
Keep
62
Newland barcode type identification symbol or useless: 0x00
63 - - - - - - -
Decoding data continues
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