Killian M-L / Mbed OS Projet_Brumisateur_Automatique

Projet interfaçage et instrumentation Brumisateur automatique

Dependencies:   BSP_DISCO_F746NG

main.cpp@3:4f5dc253eb7b, 2021-04-24 (annotated)

Committer:
JohnnyK
Date:
Sat Apr 24 19:08:28 2021 +0000
Revision:
3:4f5dc253eb7b
Parent:
2:afc050526249
Child:
5:071136c3eefa
Rework to LVGL 7.10.1 and MbedOS 6.10

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 3:4f5dc253eb7b 4 #include "hal_stm_lvgl/tft/tft.h"
JohnnyK 3:4f5dc253eb7b 5 #include "hal_stm_lvgl/touchpad/touchpad.h"
JohnnyK 3:4f5dc253eb7b 6 #include "lv_examples.h" /*Comment/uncomment will switch between LVGL demo and Hello word example*/
JohnnyK 0:10c4b83c458d 7
JohnnyK 3:4f5dc253eb7b 8 #define LVGL_TICK 10 //Time tick value for lvgl in ms (1-10msa)
JohnnyK 3:4f5dc253eb7b 9 #define TICKER_TIME 10ms //modified to miliseconds
JohnnyK 0:10c4b83c458d 10
JohnnyK 3:4f5dc253eb7b 11 Ticker ticker; //Ticker for lvgl
JohnnyK 3:4f5dc253eb7b 12
JohnnyK 0:10c4b83c458d 13 //Callback function for lvgl timing.
JohnnyK 0:10c4b83c458d 14 void lv_ticker_func(){
JohnnyK 0:10c4b83c458d 15 lv_tick_inc(LVGL_TICK);
JohnnyK 0:10c4b83c458d 16 //Call lv_tick_inc(x) every x milliseconds in a Timer or Task (x should be between 1 and 10).
JohnnyK 0:10c4b83c458d 17 //It is required for the internal timing of LittlevGL.
JohnnyK 0:10c4b83c458d 18 }
JohnnyK 0:10c4b83c458d 19
JohnnyK 3:4f5dc253eb7b 20 #ifndef LV_EXAMPLES_H
JohnnyK 3:4f5dc253eb7b 21 static void event_handler(lv_obj_t * obj, lv_event_t event)
JohnnyK 3:4f5dc253eb7b 22 {
JohnnyK 3:4f5dc253eb7b 23 if(event == LV_EVENT_CLICKED) {
JohnnyK 3:4f5dc253eb7b 24 printf("Clicked\n");
JohnnyK 3:4f5dc253eb7b 25 }
JohnnyK 3:4f5dc253eb7b 26 else if(event == LV_EVENT_VALUE_CHANGED) {
JohnnyK 3:4f5dc253eb7b 27 printf("Toggled\n");
JohnnyK 0:10c4b83c458d 28 }
JohnnyK 1:627f26953c53 29 }
JohnnyK 3:4f5dc253eb7b 30 #endif
JohnnyK 3:4f5dc253eb7b 31 // main() runs in its own thread in the OS
JohnnyK 0:10c4b83c458d 32 int main()
JohnnyK 0:10c4b83c458d 33 {
JohnnyK 3:4f5dc253eb7b 34 printf("LVGL-");
JohnnyK 3:4f5dc253eb7b 35 lv_init(); //Initialize the LVGL
JohnnyK 3:4f5dc253eb7b 36 tft_init(); //Initialize diplay
JohnnyK 3:4f5dc253eb7b 37 touchpad_init(); //Initialize touchpad
JohnnyK 3:4f5dc253eb7b 38 ticker.attach(callback(&lv_ticker_func),TICKER_TIME); //Attach callback to ticker
JohnnyK 3:4f5dc253eb7b 39
JohnnyK 3:4f5dc253eb7b 40 #ifdef LV_EXAMPLES_H
JohnnyK 3:4f5dc253eb7b 41 printf("Demo\n");
JohnnyK 3:4f5dc253eb7b 42 lv_demo_widgets();
JohnnyK 3:4f5dc253eb7b 43 #else
JohnnyK 3:4f5dc253eb7b 44 printf("Hello world\n");
JohnnyK 3:4f5dc253eb7b 45 lv_obj_t * label1 = lv_label_create(lv_scr_act(), NULL);
JohnnyK 3:4f5dc253eb7b 46 lv_label_set_long_mode(label1, LV_LABEL_LONG_BREAK); /*Break the long lines*/
JohnnyK 3:4f5dc253eb7b 47 lv_label_set_recolor(label1, true); /*Enable re-coloring by commands in the text*/
JohnnyK 3:4f5dc253eb7b 48 lv_label_set_align(label1, LV_LABEL_ALIGN_CENTER); /*Center aligned lines*/
JohnnyK 3:4f5dc253eb7b 49 lv_label_set_text(label1, "#0000ff Hello# #ff00ff world# #ff0000 - the LVGL and MbedOS#");
JohnnyK 3:4f5dc253eb7b 50 lv_obj_set_width(label1, 150);
JohnnyK 3:4f5dc253eb7b 51 lv_obj_align(label1, NULL, LV_ALIGN_IN_TOP_MID, 0, 20);
JohnnyK 3:4f5dc253eb7b 52
JohnnyK 3:4f5dc253eb7b 53 lv_obj_t * label2 = lv_label_create(lv_scr_act(), NULL);
JohnnyK 3:4f5dc253eb7b 54 lv_label_set_long_mode(label2, LV_LABEL_LONG_SROLL_CIRC); /*Circular scroll*/
JohnnyK 3:4f5dc253eb7b 55 lv_obj_set_width(label2, 150);
JohnnyK 3:4f5dc253eb7b 56 lv_label_set_text(label2, "It is a circularly scrolling text. ");
JohnnyK 3:4f5dc253eb7b 57 lv_obj_align(label2, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
JohnnyK 0:10c4b83c458d 58
JohnnyK 0:10c4b83c458d 59 lv_obj_t * label;
JohnnyK 0:10c4b83c458d 60 lv_obj_t * btn1 = lv_btn_create(lv_scr_act(), NULL);
JohnnyK 0:10c4b83c458d 61 lv_obj_set_event_cb(btn1, event_handler);
JohnnyK 3:4f5dc253eb7b 62 lv_obj_align(btn1, NULL, LV_ALIGN_CENTER, 0, -25);
JohnnyK 0:10c4b83c458d 63 label = lv_label_create(btn1, NULL);
JohnnyK 0:10c4b83c458d 64 lv_label_set_text(label, "Button");
JohnnyK 3:4f5dc253eb7b 65 lv_obj_t * btn2 = lv_btn_create(lv_scr_act(), NULL);
JohnnyK 0:10c4b83c458d 66 lv_obj_set_event_cb(btn2, event_handler);
JohnnyK 3:4f5dc253eb7b 67 lv_obj_align(btn2, NULL, LV_ALIGN_CENTER, 0, 25);
JohnnyK 3:4f5dc253eb7b 68 lv_btn_set_checkable(btn2, true);
JohnnyK 0:10c4b83c458d 69 lv_btn_toggle(btn2);
JohnnyK 0:10c4b83c458d 70 lv_btn_set_fit2(btn2, LV_FIT_NONE, LV_FIT_TIGHT);
JohnnyK 0:10c4b83c458d 71 label = lv_label_create(btn2, NULL);
JohnnyK 0:10c4b83c458d 72 lv_label_set_text(label, "Toggled");
JohnnyK 3:4f5dc253eb7b 73 #endif
JohnnyK 0:10c4b83c458d 74
JohnnyK 3:4f5dc253eb7b 75 while (true){
JohnnyK 3:4f5dc253eb7b 76 lv_task_handler();
JohnnyK 3:4f5dc253eb7b 77 //Call lv_task_handler() periodically every few milliseconds.
JohnnyK 3:4f5dc253eb7b 78 //It will redraw the screen if required, handle input devices etc.
JohnnyK 3:4f5dc253eb7b 79 thread_sleep_for(LVGL_TICK);
JohnnyK 0:10c4b83c458d 80 }
JohnnyK 3:4f5dc253eb7b 81 }