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SourceVuESP-IDF Framework and ExamplesESP-IDFtouch_pad_set_filter_period()

touch_pad_set_filter_period() function

set touch pad filter calibration period, in ms. Need to call touch_pad_filter_start before all touch filter APIs

Syntax

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Summary

Declaration

Definition

from touch_sensor.h:333

esp_err_t touch_pad_set_filter_period(uint32_t new_period_ms);

Implemented in touch_sensor.c:421

Arguments

Argument

Description

new_period_ms

filter period, in ms

Return value

- ESP_OK Success - ESP_ERR_INVALID_STATE driver state error - ESP_ERR_INVALID_ARG parameter error

References

Code

Location

esp_err_t touch_pad_set_filter_period(uint32_t new_period_ms)

touch_sensor.c:421

esp_err_t touch_pad_set_filter_period(uint32_t new_period_ms);

touch_sensor.h:333

Call Tree

touch_pad_set_filter_period() calls 6 functions:

touch_pad_set_filter_period()

esp_log_timestamp()

esp_log_write()

xQueueGenericSend()

xQueueSemaphoreTake()

esp_timer_start_periodic()

esp_timer_stop()

Data Use

touch_pad_set_filter_period() reads 9 variables and writes 1 variable:

esp_log_level_t::ESP_LOG_ERROR

esp_log_level_t::ESP_LOG_WARN

esp_log_level_t::ESP_LOG_INFO

esp_log_level_t::ESP_LOG_DEBUG

esp_log_level_t::ESP_LOG_VERBOSE

touch_pad_filter_t::timer

s_touch_pad_filter

rtc_touch_mux

TOUCH_TAG

touch_pad_set_filter_period()

touch_pad_filter_t::period

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