From dd27c3530432ea0b09f01e604bf577f31d8ef841 Mon Sep 17 00:00:00 2001 From: jacqueline Date: Thu, 1 Jun 2023 15:41:47 +1000 Subject: convert lvgl from submodule to a plain old directory --- lib/lvgl | 1 - lib/lvgl/docs/libs/qrcode.md | 38 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 38 insertions(+), 1 deletion(-) delete mode 160000 lib/lvgl create mode 100644 lib/lvgl/docs/libs/qrcode.md (limited to 'lib/lvgl/docs/libs/qrcode.md') diff --git a/lib/lvgl b/lib/lvgl deleted file mode 160000 index 0732400e..00000000 --- a/lib/lvgl +++ /dev/null @@ -1 +0,0 @@ -Subproject commit 0732400e7b564dd0e7dc4a924619d8e19c5b23a0 diff --git a/lib/lvgl/docs/libs/qrcode.md b/lib/lvgl/docs/libs/qrcode.md new file mode 100644 index 00000000..46e0a47d --- /dev/null +++ b/lib/lvgl/docs/libs/qrcode.md @@ -0,0 +1,38 @@ + +# QR code + +QR code generation with LVGL. Uses [QR-Code-generator](https://github.com/nayuki/QR-Code-generator) by [nayuki](https://github.com/nayuki). + +## Get started +- Download or clone this repository + - [Download](https://github.com/lvgl/lv_lib_qrcode.git) 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: +```c +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 +```eval_rst + +.. include:: ../../examples/libs/qrcode/index.rst + +``` + +## API + +```eval_rst + +.. doxygenfile:: lv_qrcode.h + :project: lvgl -- cgit v1.2.3