qrcode53bytes

QR code for 53 bytes
repo; version: 1.1.1 date: 2021-01-13 authors: Luciano Bestia

I need to generate a simple QR code for url that has max 53 bytes. I want to do this in wasm.
QR codes are pretty complicated. So specifying only one single use-case makes the code smaller. But it looses universality.
Smaller code is good for wasm.
The url I want to encode is like this:
https://bestia.dev/mem6/#p04.1234
There is a hash symbol here so I cannot use the alphanumeric mode.
I must use the byte mode.
There are 33 characters. It means there is some free space for future uses.
The smallest QR code for that is:

• version 3
• 29x29 modules
• ECC Level L
• data bits 440
• 53 bytes
• ISO-8859-1

The code is written by treeman. I just removed all the variants I don't need.

I use this code my wasm project https://github.com/LucianoBestia/mem6_game.

make

List all the prepared commands and tasks with $ cargo make.
https://github.com/sagiegurari/cargo-make

References

https://github.com/treeman/rqr
https://www.thonky.com/qr-code-tutorial

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changelog

1.1.0 bitvec dependency was yanked. updated to 1.17.4, but later versions have breaking changes