L VD / Mbed OS DISCO-F746NG_MbedOs_LvGL_example

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@3:1c9c6f2a7fcf, 2020-07-21 (annotated)

Committer:
elelthvd
Date:
Tue Jul 21 19:59:09 2020 +0800
Revision:
3:1c9c6f2a7fcf
Parent:
2:afc050526249 
Updated to LVGLv7 and Mbed-OSv6

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JohnnyK 2:afc050526249 1 //Notebook page https://os.mbed.com/users/JohnnyK/notebook/how-start-with-the-littlevgl/
JohnnyK 0:10c4b83c458d 2 #include "mbed.h"
JohnnyK 0:10c4b83c458d 3 #include "lvgl/lvgl.h"
JohnnyK 0:10c4b83c458d 4 #include "lv_port_disp.h"
JohnnyK 0:10c4b83c458d 5 #include "lv_port_indev.h"
elelthvd 3:1c9c6f2a7fcf 6 #include "lv_examples/lv_examples.h"
JohnnyK 0:10c4b83c458d 7
JohnnyK 0:10c4b83c458d 8 Ticker ticker; //Ticker for lvgl
JohnnyK 0:10c4b83c458d 9
JohnnyK 0:10c4b83c458d 10 //Callback function for lvgl timing.
JohnnyK 0:10c4b83c458d 11 void lv_ticker_func(){
elelthvd 3:1c9c6f2a7fcf 12 lv_tick_inc(10);
JohnnyK 0:10c4b83c458d 13 //Call lv_tick_inc(x) every x milliseconds in a Timer or Task (x should be between 1 and 10).
JohnnyK 0:10c4b83c458d 14 //It is required for the internal timing of LittlevGL.
JohnnyK 0:10c4b83c458d 15 lv_task_handler();
JohnnyK 0:10c4b83c458d 16 //Call lv_task_handler() periodically every few milliseconds.
JohnnyK 0:10c4b83c458d 17 //It will redraw the screen if required, handle input devices etc.
JohnnyK 0:10c4b83c458d 18 }
JohnnyK 0:10c4b83c458d 19
JohnnyK 0:10c4b83c458d 20 int main()
JohnnyK 0:10c4b83c458d 21 {
JohnnyK 0:10c4b83c458d 22 printf("LittlevGL GUI-");
JohnnyK 0:10c4b83c458d 23 lv_init(); //Initialize the LittlevGL
JohnnyK 0:10c4b83c458d 24 lv_port_disp_init(); //Initialize diplay
JohnnyK 0:10c4b83c458d 25 lv_port_indev_init(); //Initialize touchpad
elelthvd 3:1c9c6f2a7fcf 26 ticker.attach(callback(&lv_ticker_func), 10ms); //Attach callback to ticker
elelthvd 3:1c9c6f2a7fcf 27
elelthvd 3:1c9c6f2a7fcf 28 lv_demo_widgets();
JohnnyK 0:10c4b83c458d 29
JohnnyK 0:10c4b83c458d 30 while(1) {
JohnnyK 1:627f26953c53 31 //do something
elelthvd 3:1c9c6f2a7fcf 32 thread_sleep_for(100);
JohnnyK 0:10c4b83c458d 33 }
JohnnyK 0:10c4b83c458d 34 }