
lv_chart_series_t * ser1;lv_obj_t* chart ;void demo11(){// 显示图标chart = lv_chart_create(lv_scr_act());lv_chart_set_type(chart, LV_CHART_TYPE_LINE);// 添加数据序列ser1 = lv_chart_add_series(chart, lv_palette_main(LV_PALETTE_RED), LV_CHART_AXIS_PRIMARY_Y);lv_chart_set_range(chart, LV_CHART_AXIS_PRIMARY_Y, 40, 150);for (size_t i = 0; i < 10; i++){lv_chart_set_next_value(chart, ser1, lv_rand(50,110));}lv_chart_refresh(chart);}
