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SourceVuESP-IDF Framework and ExamplesESP-IDFtouch_pad_config()

touch_pad_config() function

Configure touch pad interrupt threshold.

Syntax

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Summary

Declaration

Definition

from touch_sensor.h:28

esp_err_t touch_pad_config(touch_pad_t touch_num, uint16_t threshold);

Implemented in touch_sensor.c:277

Arguments

Argument

Description

touch_num

touch pad index

threshold

interrupt threshold,

Return value

- ESP_OK Success - ESP_ERR_INVALID_ARG if argument wrong - ESP_FAIL if touch pad not initialized

Notes

If FSM mode is set to TOUCH_FSM_MODE_TIMER, this function will be blocked for one measurement cycle and wait for data to be valid.

Examples

touch_pad_config() is referenced by 4 libraries and example projects:

deep_sleep sample

touch_pad_interrupt sample

touch_pad_read sample

touch sample

References

from 0/4 examples

Code

Location

esp_err_t touch_pad_config(touch_pad_t touch_num, uint16_t threshold)

touch_sensor.c:277

esp_err_t touch_pad_config(touch_pad_t touch_num, uint16_t threshold);

touch_sensor.h:28

Call Tree

from 0/4 examples

touch_pad_config() calls 15 functions:

touch_pad_config()

rtc_clk_slow_freq_get_hz()

touch_ll_set_threshold()

touch_pad_get_fsm_mode()

touch_pad_io_init()

touch_pad_get_measurement_clock_cycles()

touch_pad_get_measurement_interval()

touch_pad_set_group_mask()

touch_pad_clear_group_mask()

touch_hal_config()

Data Use

from 0/4 examples

touch_pad_config() reads 10 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_fsm_mode_t::TOUCH_FSM_MODE_TIMER

touch_fsm_mode_t::TOUCH_FSM_MODE_SW

touch_pad_config()

Class Tree

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Override Tree

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Implementations

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Instances

from 0/4 examples

Lifecycle

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