lv_chart_set_ext_y_array() function

Set an external array for the y data points to use for the chart NOTE: It is the users responsibility to make sure the `point_cnt` matches the external array size.

Syntax

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Summary

Declaration

Definition

from lv_chart.h:306

void lv_chart_set_ext_y_array(lv_obj_t * obj, lv_chart_series_t * ser, int32_t array[]);

Implemented in lv_chart.c:536

Arguments

Argument

Description

obj

pointer to a chart object

ser

pointer to a data series on 'chart'

array

external array of points for chart

References

Code

Location

void lv_chart_set_ext_y_array(lv_obj_t * obj, lv_chart_series_t * ser, int32_t array[])

lv_chart.c:536

void lv_chart_set_ext_y_array(lv_obj_t * obj, lv_chart_series_t * ser, int32_t array[]);

lv_chart.h:306

Call Tree

lv_chart_set_ext_y_array() calls 2 functions:

lv_chart_set_ext_y_array()

lv_free()

lv_obj_invalidate()

Data Use

lv_chart_set_ext_y_array() reads 2 variables and writes 2 variables:

lv_chart_series_t::y_ext_buf_assigned

lv_chart_series_t::y_points

lv_chart_set_ext_y_array()

lv_chart_series_t::y_ext_buf_assigned

lv_chart_series_t::y_points

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