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Gabor Kiss-Vamosi
2018-08-21 08:40:12 +02:00
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# Littlev Graphics Libraray # Littlev Graphics Libraray
![LittlevGL cover](http://www.gl.littlev.hu/home/main_cover_small.png) ![LittlevGL cover](https://littlevgl.com/docs/themes/lv_theme_intro.png)
LittlevGL provides everything you need to create a Graphical User Interface (GUI) on embedded systems with easy-to-use graphical elements, beautiful visual effects and low memory footprint. LittlevGL provides everything you need to create a Graphical User Interface (GUI) on embedded systems with easy-to-use graphical elements, beautiful visual effects and low memory footprint.
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* [Porting](#porting) * [Porting](#porting)
* [Project set-up](#project-set-up) * [Project set-up](#project-set-up)
* [PC simulator](#pc-simulator) * [PC simulator](#pc-simulator)
* [Related repositories](#related-repositories)
* [Screenshots](#screenshots) * [Screenshots](#screenshots)
* [Contributing](#contributing) * [Contributing](#contributing)
* [Donate](#donate) * [Donate](#donate)
@@ -32,11 +33,11 @@ Homepage: https://littlevgl.com
## Porting ## Porting
In the simplest case you need 4 things: In the simplest case you need 4 things:
1. Call `lv_tick_inc(1)` in every millisecods in a Timer or Task 1. Call `lv_tick_inc(x)` in every `x` millisecods in a Timer or Task (`x` should be between 1 and 10)
2. Register a function which can **copy a pixel array** to an area of the screen. 2. Register a function which can **copy a pixel array** to an area of the screen.
3. Register a function which can **read an input device**. (E.g. touch pad) 3. Register a function which can **read an input device**. (E.g. touch pad)
4. Call `lv_task_handler()` periodically every few milliseconds. 4. Call `lv_task_handler()` periodically every few milliseconds.
For more information visit https://littlevgl.com/porting For a detailed description visit https://littlevgl.com/porting
Or check the [Porting tutorial](https://github.com/littlevgl/lv_examples/blob/master/lv_tutorial/0_porting/lv_tutorial_porting.c) Or check the [Porting tutorial](https://github.com/littlevgl/lv_examples/blob/master/lv_tutorial/0_porting/lv_tutorial_porting.c)
## Project set-up ## Project set-up
@@ -57,6 +58,12 @@ If you don't have an embedded hardware you can test the graphics library in a PC
There is a pre-configured PC project for **Eclipse CDT** in this repository: https://github.com/littlevgl/pc_simulator There is a pre-configured PC project for **Eclipse CDT** in this repository: https://github.com/littlevgl/pc_simulator
## Related repositories
* PC simualtor: https://github.com/littlevgl/pc_simulator
* Projects: https://github.com/littlevgl/lv_projects
* Examples: https://github.com/littlevgl/lv_examples
* Drivers: https://github.com/littlevgl/lv_drivers
## Screenshots ## Screenshots
![TFT material](http://www.gl.littlev.hu/github_res/tft_material.png) ![TFT material](http://www.gl.littlev.hu/github_res/tft_material.png)
![TFT zen](http://www.gl.littlev.hu/github_res/tft_zen.png) ![TFT zen](http://www.gl.littlev.hu/github_res/tft_zen.png)