Mindeo MP82 Series, Руководство пользователя

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7-3 Operate the image platform by receiving command via UART
Note:
1-
The information in this chapter is provided for the image platform with RS232 cable or USB cable.
2- If the image platform is with USB cable, the setting of USB device type must be set as “USB virtual
COM”. Please refer to the chapter of “
7-7 USB interface ”.
3- Please read the chapter of “ 7-8 Scan mode & some global settings ” about the setting of Scanning
mode in details.
UART parameter should be set as below:
(1)
Baud rate: 9600 bps;
(2) Data bits: 8 bits;
(3) Stop bit: 1 bit;
(4) Parity check bit: None;
(5) Flow control: None.
Guide of control command: all commands are sent by UART
1) Start command: “0x54” (T)
When the image platform received the above command, it will start barcode scanning following the
setting of Scanning mode. If the image platform is in the mode of “Auto-detection”, the image platform
will have a single scan, then returns to “Auto-detection” mode.
2) Stop command: “0x50” (P)
If the Scanning mode is set as “Alternate continue” or “Continue”, and the image platform received the
above command, it will stop barcode scanning and act as in an idle mode.
3) Restart command: “0x52” (R)
Once the image platform received the above command, it will restart.
Returning message from the image platform
1) A successful decode
Once the image platform successfully decoded a barcode, the image platform will stop scanning and
returns the barcode data to the Host.
2) Not a successful decode
Once the image platform failed to decode a barcode before stopping scanning, the image platform will
return a message to the Host. The message is set as “0x25, 0x25, 0x4E, 0x6F, 0x52, 0x65, 0x61,
0x64” (%%NoRead).