github-code/lvgl
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix(chart) add lv_chart_refresh() to the functions which modify the data (#2841)

Browse Source 
* Update lv_chart.c

add lv_chart_refresh(obj); on some more functions

* Update chart.md

small typo
This commit is contained in:
Miau09
2021-11-29 11:43:04 +01:00
committed by GitHub
parent 216298d6e9
commit ea8caa75c5
2 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
docs/widgets/extra/chart.md
View File

@@ -61,7 +61,7 @@ For `LV_CHART_TYPE_SCATTER` type `lv_chart_set_ext_x_array(chart, ser, value_ar
### Modify the data ### Modify the data
You have several options to set the data of series: You have several options to set the data of series:
1. Set the values manually in the array like `ser1->points[3] = 7` and refresh the chart with `lv_chart_refresh(chart)`. 1. Set the values manually in the array like `ser1->points[3] = 7` and refresh the chart with `lv_chart_refresh(chart)`.
2. Use `lv_chart_set_value_by_id(chart, ser, value, id)` where `id` is the index of the point you wish to update. 2. Use `lv_chart_set_value_by_id(chart, ser, id, value)` where `id` is the index of the point you wish to update.
3. Use the `lv_chart_set_next_value(chart, ser, value)`. 3. Use the `lv_chart_set_next_value(chart, ser, value)`.
4. Initialize all points to a given value with: `lv_chart_set_all_value(chart, ser, value)`. 4. Initialize all points to a given value with: `lv_chart_set_all_value(chart, ser, value)`.

3
src/extra/widgets/chart/lv_chart.c
View File

@@ -539,6 +539,7 @@ void lv_chart_set_next_value(lv_obj_t * obj, lv_chart_series_t * ser, lv_coord_t
invalidate_point(obj, ser->start_point); invalidate_point(obj, ser->start_point);
ser->start_point = (ser->start_point + 1) % chart->point_cnt; ser->start_point = (ser->start_point + 1) % chart->point_cnt;
invalidate_point(obj, ser->start_point); invalidate_point(obj, ser->start_point);
lv_chart_refresh(obj);
} }
void lv_chart_set_next_value2(lv_obj_t * obj, lv_chart_series_t * ser, lv_coord_t x_value, lv_coord_t y_value) void lv_chart_set_next_value2(lv_obj_t * obj, lv_chart_series_t * ser, lv_coord_t x_value, lv_coord_t y_value)
@@ -570,6 +571,7 @@ void lv_chart_set_value_by_id(lv_obj_t * obj, lv_chart_series_t * ser, uint16_t
if(id >= chart->point_cnt) return; if(id >= chart->point_cnt) return;
ser->y_points[id] = value; ser->y_points[id] = value;
lv_chart_refresh(obj);
} }
void lv_chart_set_value_by_id2(lv_obj_t * obj, lv_chart_series_t * ser, uint16_t id, lv_coord_t x_value, void lv_chart_set_value_by_id2(lv_obj_t * obj, lv_chart_series_t * ser, uint16_t id, lv_coord_t x_value,
@@ -587,6 +589,7 @@ void lv_chart_set_value_by_id2(lv_obj_t * obj, lv_chart_series_t * ser, uint16_t
if(id >= chart->point_cnt) return; if(id >= chart->point_cnt) return;
ser->x_points[id] = x_value; ser->x_points[id] = x_value;
ser->y_points[id] = y_value; ser->y_points[id] = y_value;
lv_chart_refresh(obj);
} }
void lv_chart_set_ext_y_array(lv_obj_t * obj, lv_chart_series_t * ser, lv_coord_t array[]) void lv_chart_set_ext_y_array(lv_obj_t * obj, lv_chart_series_t * ser, lv_coord_t array[])