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Data Format
Introduction
1D barcodes could contain digits, letters and symbols, etc. 2D barcodes could contain more data, such
as Chinese characters and other multi-byte characters. However, in reality, they do not and should not
have enough information we need, such as barcode type, date and time of scan, delimiter, and so on, in
order to keep the code short and flexible.
Prefix and Suffix are how to fulfill the needs mentioned above. They can be added, removed, and
modified while the original barcode message is still in tact.
Barcode processing sequences: first add Prefix/Suffix, then terminate with
Terminal and transmit.
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