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QR code

QR code generation with LVGL. Uses QR-Code-generator by nayuki.

Get started

Download or clone this repository
- Download from GitHub
- Clone: git clone https://github.com/lvgl/lv_lib_qrcode.git
Include the library: #include "lv_lib_qrcode/lv_qrcode.h"
Test with the following code:

const char * data = "Hello world";

/*Create a 100x100 QR code*/
lv_obj_t * qr = lv_qrcode_create(lv_scr_act(), 100, lv_color_hex3(0x33f), lv_color_hex3(0xeef));

/*Set data*/
lv_qrcode_update(qr, data, strlen(data));

Notes

QR codes with less data are smaller, but they scaled by an integer number to best fit to the given size.

Example


.. include:: ../../examples/libs/qrcode/index.rst

API


.. doxygenfile:: lv_qrcode.h
  :project: lvgl