Some problems encountered in introducing lvgl into esp32 Arduino

【1】

At the beginning lv_arduino, And online tutorials do not match , Find out it's LVGL (v7.0.x),

open github, See the hint , No more updates , Let introduce lvgl library

【2】

Compiler error , The lack of lv_conf.h. Find out lv_conf_template.h It's kind of like clicking in , notice

You need to change the file name to “lv_conf.h”

【3】

Continue compiling , Wrong again , Or lack of lv_conf.h

  In the wrong file lv_conf_internal.h Search for lv_conf.h, Find out include The relative path introduced is incorrect

According to file location , Change it to

【4】

  Then add several controls to display .

I began to find that the text that should be scrolled left and right didn't roll , Never mind it .

Then I want to refresh the text display , Also cannot refresh .

After a lot of twists and turns , open lv_log_register_print_cb( my_print ); journal , See the warning message

  According to the warning position , Follow the code , Find out lv_tick_get(); The problem of , Keep looking

Find out in lv_conf_internal.h Middle configuration , Add a red line , Can make “arduino.h” The header file