4 ms·
Control characters are still extremely common in embedded codes such as DataMatrix or QR Code. https://www.gs1.org/standards/barcodes https://www.gs1.org/stand
by vidanay 8y ago
Control characters are still extremely common in embedded codes such as DataMatrix or QR Code.
https://www.gs1.org/standards/barcodes https://www.gs1.org/standards/barcodes
I would extrapolate that RFID uses similar encoding, but I have no experience there.
- dfox 8y agoCode128 has special control symbols that are distinct from ASCII control characters which are used for framing/formating in context of GS1. Datamatrix also has special symbol that is equivalent to FNC1. The fact that scanners often encode FNC1 as some arbitrary ASCII character, with GS and ^ being common choices or even reformat the data to something resembling the human readable representation (ie. "(01)..." instead of FNC1 0 1 ...) is only about the scanner interface. But IIRC QR code does not have any special out-of-ASCII control symbols and GS1 structures are encoded with ASCII GS instead of FNC1.