lv_timer_t*lv_timer_get_next(lv_timer_t* timer); 注意:这里定时器使用的滴答时钟是移植时运行lv_tick_inc()的时间,比如我10ms运行一次lv_tick_inc(),那么lvgl的周期设置为100时,对应的是 100*10ms = 1s。 三、使用案例 案例一 重复运行定时器 lv_timer_t* lvgl_task1 =NULL; voidlvgl_task1_cb...
* @param tmr*/voidupdata_task1_cb(lv_timer_t *tmr) { ESP_LOGI(TAG,"Enter lv_timer cb");/*更新显示数据*/lv_label_set_text_fmt(ui_accex,"%.2f", acce.acce_x); lv_label_set_text_fmt(ui_accey,"%.2f", acce.acce_y); lv_label_set_text_fmt(ui_accez,"%.2f", acce.acce_...
lv_port_indev_init(); lv_example_btn_1(); while(1) {rt_thread_delay(30); lv_timer_handler(); } } 编译并导入代码到开发板中,可以看到可以运行了。 附录 LVGL官网文档: Welcome to the documentation of LVGL! 作者:智珂
void Template::onTimerUpdate(lv_timer_t* timer){ Template* instance = (Template*)timer->user_...
■ LVGL-lv_timer_t ■ LVGL-lv_group_t ■ LVGL-标签部件 lv_label_create ■ LVGL-按钮部件 lv_btn_create ■ LVGL-按钮矩阵部件 lv_btnmatrix_create ■ LVGL-开关部件 lv_switch_create ■ LVGL-复选框部件 lv_checkbox_create ■ 示例一: ■ LVGL-加载器部件 lv_spinner_create ■ 示例一: ■...
*Inform the graphics library that you are ready with the flushing*/lv_display_flush_ready(disp_drv);} GLCD_DrawBitmap用于将给定的显示缓冲区刷新到LCD,其函数原型如下: 代码语言:javascript 复制 /** \fn int32_t GLCD_DrawBitmap (uint32_t x, uint32_t y, uint32_t width, uint32_t height...
登录后复制staticint32_tspeed =50;staticboolis_increase =true;/** * Create a demo application */voidcustom_init(lv_ui *ui){/* Add your codes here */}voidtimer_meter_speed_cb(lv_timer_t*t){ lv_ui * gui = t- >user_data;lv_meter_set_indicator_value(gui- >screen_meter_speed, ...
注意,如果使用lv_timer_set_repeat_count=1指定循环1次数,中途打断用lv_timer_reset的话,因为定时器执行结束后会自动删除定时器,lv_timer_reset 无效.此方案不可取. 如果你有更好的方法,请留言. static char sound_src[256]={0};static voidsound_timer_cb(lv_timer_t*timer){lv_timer_pause(timer);if(...
, LV_PART_MAIN); /*创建一个白色标签，设置其文本并将其与中心对齐*/ lv_obj_t * ...
lv_label_set_text(label,"你好中国"); status = 0 ; break; default: break; } } } int main(void) { lv_init(); fbdev_init(); static lv_color_t buf[DISP_BUF_SIZE]; /*Initialize a descriptorforthe buffer*/ static lv_disp_draw_b...