mirror of https://github.com/esphome/esphome.git
92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
#pragma once
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#if defined(USE_ESP32_VARIANT_ESP32) || defined(USE_ESP32_VARIANT_ESP32S2) || defined(USE_ESP32_VARIANT_ESP32S3)
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#define USE_ESP32_TOUCH_HAS_HARDWARE
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#endif
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#ifdef USE_ESP32_TOUCH_HAS_HARDWARE
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#include "esphome/core/component.h"
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#include "esphome/components/binary_sensor/binary_sensor.h"
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#include <esp_idf_version.h>
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#if ESP_IDF_VERSION_MAJOR >= 4
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#include <driver/touch_sensor.h>
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#else
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#include <driver/touch_pad.h>
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#endif
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namespace esphome {
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namespace esp32_touch {
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class ESP32TouchBinarySensor;
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class ESP32TouchComponent : public Component {
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public:
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void register_touch_pad(ESP32TouchBinarySensor *pad) { children_.push_back(pad); }
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void set_setup_mode(bool setup_mode) { setup_mode_ = setup_mode; }
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void set_iir_filter(uint32_t iir_filter) { iir_filter_ = iir_filter; }
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void set_sleep_duration(uint16_t sleep_duration) { sleep_cycle_ = sleep_duration; }
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void set_measurement_duration(uint16_t meas_cycle) { meas_cycle_ = meas_cycle; }
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void set_low_voltage_reference(touch_low_volt_t low_voltage_reference) {
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low_voltage_reference_ = low_voltage_reference;
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}
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void set_high_voltage_reference(touch_high_volt_t high_voltage_reference) {
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high_voltage_reference_ = high_voltage_reference;
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}
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void set_voltage_attenuation(touch_volt_atten_t voltage_attenuation) { voltage_attenuation_ = voltage_attenuation; }
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void setup() override;
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void dump_config() override;
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void loop() override;
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float get_setup_priority() const override { return setup_priority::DATA; }
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void on_shutdown() override;
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protected:
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/// Is the IIR filter enabled?
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bool iir_filter_enabled_() const { return iir_filter_ > 0; }
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uint16_t sleep_cycle_{};
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uint16_t meas_cycle_{65535};
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touch_low_volt_t low_voltage_reference_{};
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touch_high_volt_t high_voltage_reference_{};
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touch_volt_atten_t voltage_attenuation_{};
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std::vector<ESP32TouchBinarySensor *> children_;
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bool setup_mode_{false};
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uint32_t setup_mode_last_log_print_{};
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uint32_t iir_filter_{0};
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};
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/// Simple helper class to expose a touch pad value as a binary sensor.
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class ESP32TouchBinarySensor : public binary_sensor::BinarySensor {
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public:
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ESP32TouchBinarySensor(touch_pad_t touch_pad, uint16_t threshold, uint16_t wakeup_threshold);
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touch_pad_t get_touch_pad() const { return touch_pad_; }
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uint16_t get_threshold() const { return threshold_; }
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void set_threshold(uint16_t threshold) { threshold_ = threshold; }
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uint16_t get_value() const { return value_; }
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uint16_t get_wakeup_threshold() const { return wakeup_threshold_; }
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protected:
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friend ESP32TouchComponent;
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touch_pad_t touch_pad_;
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uint16_t threshold_;
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uint16_t value_;
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const uint16_t wakeup_threshold_;
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};
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} // namespace esp32_touch
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} // namespace esphome
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#endif // USE_ESP32_TOUCH_HAS_HARDWARE
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