1 #include "../../lv_examples.h"
2 #if LV_USE_CHART && LV_BUILD_EXAMPLES
3
lv_example_chart_1(void)4 void lv_example_chart_1(void)
5 {
6 /*Create a chart*/
7 lv_obj_t * chart;
8 chart = lv_chart_create(lv_scr_act());
9 lv_obj_set_size(chart, 200, 150);
10 lv_obj_center(chart);
11 lv_chart_set_type(chart, LV_CHART_TYPE_LINE); /*Show lines and points too*/
12
13 /*Add two data series*/
14 lv_chart_series_t * ser1 = lv_chart_add_series(chart, lv_palette_main(LV_PALETTE_RED), LV_CHART_AXIS_PRIMARY_Y);
15 lv_chart_series_t * ser2 = lv_chart_add_series(chart, lv_palette_main(LV_PALETTE_GREEN), LV_CHART_AXIS_SECONDARY_Y);
16
17 /*Set the next points on 'ser1'*/
18 lv_chart_set_next_value(chart, ser1, 10);
19 lv_chart_set_next_value(chart, ser1, 10);
20 lv_chart_set_next_value(chart, ser1, 10);
21 lv_chart_set_next_value(chart, ser1, 10);
22 lv_chart_set_next_value(chart, ser1, 10);
23 lv_chart_set_next_value(chart, ser1, 10);
24 lv_chart_set_next_value(chart, ser1, 10);
25 lv_chart_set_next_value(chart, ser1, 30);
26 lv_chart_set_next_value(chart, ser1, 70);
27 lv_chart_set_next_value(chart, ser1, 90);
28
29 /*Directly set points on 'ser2'*/
30 ser2->y_points[0] = 90;
31 ser2->y_points[1] = 70;
32 ser2->y_points[2] = 65;
33 ser2->y_points[3] = 65;
34 ser2->y_points[4] = 65;
35 ser2->y_points[5] = 65;
36 ser2->y_points[6] = 65;
37 ser2->y_points[7] = 65;
38 ser2->y_points[8] = 65;
39 ser2->y_points[9] = 65;
40
41 lv_chart_refresh(chart); /*Required after direct set*/
42 }
43
44 #endif
45