Waveshare Barcode Scanner Module - SCANNED TONE SETTINGS; OPENCLOSE SCANNED TONE; SCANNED TONE DURATION; DECODING PROMPT FUNCTION

Barcode Scanner Module User Manual
21 / 57 Rev1.0 Date:180621
2. Scanned tone
With these code, you can set the buzzer behavior when succeed in scanning
barcode.
The time of the warning tone can also be set, it is default 60ms.
3. Decoding prompt
You can enable this function for MCU to know whether succeed in decoding. After
enable this function, module will send prompt character “F” if it failed decoding
and “S” if success.
*Open Scanned tone
Close Scanned tone
*Tone time-60ms
Tone time-30ms
Tone time-90ms
Tone time-120ms
*Don't output decoding
prompt
Output decoding
prompt