Example of using the LittlevGL with the MbedOS (bare metal) on the Disco-F746NG board and also the GPU STM32 chrom-art accelerator is used
Dependencies: BSP_DISCO_F746NG
main.cpp
- Committer:
- elelthvd
- Date:
- 2020-07-21
- Revision:
- 3:1c9c6f2a7fcf
- Parent:
- 2:afc050526249
File content as of revision 3:1c9c6f2a7fcf:
//Notebook page https://os.mbed.com/users/JohnnyK/notebook/how-start-with-the-littlevgl/ #include "mbed.h" #include "lvgl/lvgl.h" #include "lv_port_disp.h" #include "lv_port_indev.h" #include "lv_examples/lv_examples.h" Ticker ticker; //Ticker for lvgl //Callback function for lvgl timing. void lv_ticker_func(){ lv_tick_inc(10); //Call lv_tick_inc(x) every x milliseconds in a Timer or Task (x should be between 1 and 10). //It is required for the internal timing of LittlevGL. lv_task_handler(); //Call lv_task_handler() periodically every few milliseconds. //It will redraw the screen if required, handle input devices etc. } int main() { printf("LittlevGL GUI-"); lv_init(); //Initialize the LittlevGL lv_port_disp_init(); //Initialize diplay lv_port_indev_init(); //Initialize touchpad ticker.attach(callback(&lv_ticker_func), 10ms); //Attach callback to ticker lv_demo_widgets(); while(1) { //do something thread_sleep_for(100); } }