esphome/esphome/components/esp32_touch/esp32_touch.h
2022-11-24 13:12:55 +13:00

89 lines
2.5 KiB
C++

#pragma once
#ifdef USE_ESP32
#include "esphome/core/component.h"
#include "esphome/components/binary_sensor/binary_sensor.h"
#include <esp_idf_version.h>
#include <vector>
#if ESP_IDF_VERSION_MAJOR >= 4
#include <driver/touch_sensor.h>
#else
#include <driver/touch_pad.h>
#endif
namespace esphome {
namespace esp32_touch {
class ESP32TouchBinarySensor;
class ESP32TouchComponent : public Component {
public:
void register_touch_pad(ESP32TouchBinarySensor *pad) { children_.push_back(pad); }
void set_setup_mode(bool setup_mode) { setup_mode_ = setup_mode; }
void set_iir_filter(uint32_t iir_filter) { iir_filter_ = iir_filter; }
void set_sleep_duration(uint16_t sleep_duration) { sleep_cycle_ = sleep_duration; }
void set_measurement_duration(uint16_t meas_cycle) { meas_cycle_ = meas_cycle; }
void set_low_voltage_reference(touch_low_volt_t low_voltage_reference) {
low_voltage_reference_ = low_voltage_reference;
}
void set_high_voltage_reference(touch_high_volt_t high_voltage_reference) {
high_voltage_reference_ = high_voltage_reference;
}
void set_voltage_attenuation(touch_volt_atten_t voltage_attenuation) { voltage_attenuation_ = voltage_attenuation; }
void setup() override;
void dump_config() override;
void loop() override;
float get_setup_priority() const override { return setup_priority::DATA; }
void on_shutdown() override;
protected:
/// Is the IIR filter enabled?
bool iir_filter_enabled_() const { return iir_filter_ > 0; }
uint16_t sleep_cycle_{};
uint16_t meas_cycle_{65535};
touch_low_volt_t low_voltage_reference_{};
touch_high_volt_t high_voltage_reference_{};
touch_volt_atten_t voltage_attenuation_{};
std::vector<ESP32TouchBinarySensor *> children_;
bool setup_mode_{false};
uint32_t setup_mode_last_log_print_{};
uint32_t iir_filter_{0};
};
/// Simple helper class to expose a touch pad value as a binary sensor.
class ESP32TouchBinarySensor : public binary_sensor::BinarySensor {
public:
ESP32TouchBinarySensor(touch_pad_t touch_pad, uint16_t threshold, uint16_t wakeup_threshold);
touch_pad_t get_touch_pad() const { return touch_pad_; }
uint16_t get_threshold() const { return threshold_; }
void set_threshold(uint16_t threshold) { threshold_ = threshold; }
uint16_t get_value() const { return value_; }
uint16_t get_wakeup_threshold() const { return wakeup_threshold_; }
protected:
friend ESP32TouchComponent;
touch_pad_t touch_pad_;
uint16_t threshold_;
uint16_t value_;
const uint16_t wakeup_threshold_;
};
} // namespace esp32_touch
} // namespace esphome
#endif