LVGL中的timer对象 LVGL的后台是通过时间片轮询对LVGL的交互任务进行调度的。 在具体的MCU平台上适配LVGL时,通常会使用SysTick定时器中断服务程序调用登录后复制lv_tick_inc()函数驱动LVGL内部的计数器递增,然后在主线程中调用登录后复制lv_timer_handler()函数以时间片为节点执行LVGL的日常任务(输入事件、刷屏等操作)...
lvgl_task1 = lv_timer_create(lvgl_task1_cb,1000,0);// 运行周期为lvgl的1000个滴答时钟 } 案例二 运行指定次数的定时器 lv_timer_t* lvgl_task1 =NULL; voidlvgl_task1_cb(lv_timer_t* tmr) { LV_LOG_USER("timer test ..."); } voidlvgl_gui_test(void) { lv_obj_t*test_label = lv...
1.新建LVGL线程 创建一个新线程,专门用于跑LVGL程序,并将其栈大小修改为1024*4,优先级设置高一点。 /* 定义线程控制块 */ static rt_thread_t lvgl_thread = RT_NULL; /* 线程主体函数 */ static void lvgl_thread_entry(void* parameter); int main(void) {lvgl_thread =rt_thread_create( "lvgl", ...
Embedded graphics library to create beautiful UIs for any MCU, MPU and display type. - lvgl/src/lv_misc/lv_timer.c at 8bc6931f7f8283017e3584c7c353cb6dd59c1e58 · lvgl/lvgl
Hi, I'm trying to use one of these two projects for lvgl with esp-idf, but I'm getting the same error through both, namely it crashed when calling lv_timer_handler function. Does anyone have a solution to this problem? output:
hi, it runs 2 sec, then it crashes with error: Hello T-QT Chip: ESP32-S3 ChipRevision: 0 Psram size: 0KB Flash size: 8192KB [Error] (9.610, +9610) lv_timer_create: Asserted at expression: new_timer != NULL (Out of memory) (in lv_timer.c ...
为ESP32 构建 LVGL 时未找到 esp_timer问题描述 投票:0回答:2尝试构建 LVGL 端口到 ESP32 演示项目,并使用 WT32-SC01 PLUS With 3.5 inch 320X480 芯片闪存到 ESP32-S3-WROVER 模块。我正在使用 ESP-IDF V5。 idf.py set-target esp32s3 idf.py build 有几个错误: C:/cpp_test/!esp32/lv_...
Update lvgl to the latest version Reproduce the issue in aSimulator Describe the bug I run lv_async_call in child thread, usingxTaskCreatePinnedToCoreinESP32,lv_async_timer_cbseems running twice somtimes for onelv_async_call. Here is my log code inlv_async.c: ...
Introduce the problem In the lvgl library, most modules such as lv_obj_t and lv_timer_t follow a common pattern where an instance is created and then operated upon. However, the lv_anim_t module deviates from this pattern in the followin...
It's a good idea to uselv_tick_incin a timer, but how you implement that is specific to your platform (i.e. PC simulator, STM32). You can refer to the following if your system is based on linux. https://github.com/chaos4284/lvgl_designer/blob/master/libTimer/timer.c ...