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mirror of https://github.com/esphome/esphome.git synced 2025-03-24 19:48:17 +00:00
2025-02-21 15:47:57 -08:00

126 lines
3.6 KiB
C++

#pragma once
#include "esphome/core/defines.h"
#include "esphome/components/display/display.h"
#include "esphome/core/automation.h"
#include "esphome/core/hal.h"
#include <vector>
#include <map>
namespace esphome {
namespace touchscreen {
static const uint8_t STATE_RELEASED = 0x00;
static const uint8_t STATE_PRESSED = 0x01;
static const uint8_t STATE_UPDATED = 0x02;
static const uint8_t STATE_RELEASING = 0x04;
static const uint8_t STATE_CALIBRATE = 0x07;
struct TouchPoint {
uint8_t id;
int16_t x_raw{0}, y_raw{0}, z_raw{0};
uint16_t x_prev{0}, y_prev{0};
uint16_t x_org{0}, y_org{0};
uint16_t x{0}, y{0};
int8_t state{0};
};
using TouchPoints_t = std::vector<TouchPoint>;
struct TouchscreenInterrupt {
volatile bool touched{true};
bool init{false};
static void gpio_intr(TouchscreenInterrupt *store);
};
class TouchListener {
public:
virtual void touch(TouchPoint tp) {}
virtual void update(const TouchPoints_t &tpoints) {}
virtual void release() {}
};
class Touchscreen : public PollingComponent {
public:
void set_display(display::Display *display) { this->display_ = display; }
display::Display *get_display() const { return this->display_; }
void set_touch_timeout(uint16_t val) { this->touch_timeout_ = val; }
void set_mirror_x(bool invert_x) { this->invert_x_ = invert_x; }
void set_mirror_y(bool invert_y) { this->invert_y_ = invert_y; }
void set_swap_xy(bool swap) { this->swap_x_y_ = swap; }
void set_calibration(int16_t x_min, int16_t x_max, int16_t y_min, int16_t y_max) {
this->x_raw_min_ = x_min;
this->x_raw_max_ = x_max;
this->y_raw_min_ = y_min;
this->y_raw_max_ = y_max;
}
void set_dimensions(int16_t width, int16_t height) {
this->touchscreen_width_ = width;
this->touchscreen_height_ = height;
}
Trigger<TouchPoint, const TouchPoints_t &> *get_touch_trigger() { return &this->touch_trigger_; }
Trigger<const TouchPoints_t &> *get_update_trigger() { return &this->update_trigger_; }
Trigger<> *get_release_trigger() { return &this->release_trigger_; }
void register_listener(TouchListener *listener) { this->touch_listeners_.push_back(listener); }
optional<TouchPoint> get_touch() { return this->touches_.begin()->second; }
TouchPoints_t get_touches() {
TouchPoints_t touches;
for (auto i : this->touches_) {
touches.push_back(i.second);
}
return touches;
}
void update() override;
void loop() override;
void call_setup() override;
protected:
/// Call this function to send touch points to the `on_touch` listener and the binary_sensors.
void attach_interrupt_(InternalGPIOPin *irq_pin, esphome::gpio::InterruptType type);
void add_raw_touch_position_(uint8_t id, int16_t x_raw, int16_t y_raw, int16_t z_raw = 0);
virtual void update_touches() = 0;
void send_touches_();
int16_t normalize_(int16_t val, int16_t min_val, int16_t max_val, bool inverted = false);
display::Display *display_{nullptr};
int16_t x_raw_min_{0}, x_raw_max_{0}, y_raw_min_{0}, y_raw_max_{0};
int16_t display_width_{0}, display_height_{0};
int16_t touchscreen_width_{0}, touchscreen_height_{0};
uint16_t touch_timeout_{0};
bool invert_x_{false}, invert_y_{false}, swap_x_y_{false};
Trigger<TouchPoint, const TouchPoints_t &> touch_trigger_;
Trigger<const TouchPoints_t &> update_trigger_;
Trigger<> release_trigger_;
std::vector<TouchListener *> touch_listeners_;
std::map<uint8_t, TouchPoint> touches_;
TouchscreenInterrupt store_;
bool first_touch_{true};
bool need_update_{false};
bool is_touched_{false};
bool was_touched_{false};
bool skip_update_{false};
};
} // namespace touchscreen
} // namespace esphome