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[lvgl] PR stage 3 (#7160)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Clyde Stubbs
2024-07-31 14:31:15 +10:00
committed by GitHub
parent 8849443bf6
commit 3920029aff
18 changed files with 895 additions and 98 deletions
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esphome/components/lvgl/lvgl_esphome.h
+154 -11
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@@ -1,23 +1,32 @@
#pragma once
#include "esphome/core/defines.h"
#ifdef USE_LVGL
#ifdef USE_LVGL_BINARY_SENSOR
#include "esphome/components/binary_sensor/binary_sensor.h"
#endif // USE_LVGL_BINARY_SENSOR
#ifdef USE_LVGL_ROTARY_ENCODER
#include "esphome/components/rotary_encoder/rotary_encoder.h"
#endif // USE_LVGL_ROTARY_ENCODER
// required for clang-tidy
#ifndef LV_CONF_H
#define LV_CONF_SKIP 1 // NOLINT
#endif
#endif // LV_CONF_H
#include "esphome/components/display/display.h"
#include "esphome/components/display/display_color_utils.h"
#include "esphome/core/component.h"
#include "esphome/core/hal.h"
#include "esphome/core/log.h"
#include <lvgl.h>
#include <utility>
#include <vector>
#ifdef USE_LVGL_IMAGE
#include "esphome/components/image/image.h"
#endif // USE_LVGL_IMAGE
#ifdef USE_LVGL_FONT
#include "esphome/components/font/font.h"
#endif
#endif // USE_LVGL_FONT
#ifdef USE_LVGL_TOUCHSCREEN
#include "esphome/components/touchscreen/touchscreen.h"
#endif // USE_LVGL_TOUCHSCREEN
@@ -40,7 +49,7 @@ static const display::ColorBitness LV_BITNESS = display::ColorBitness::COLOR_BIT
// Parent class for things that wrap an LVGL object
class LvCompound final {
public:
virtual void set_obj(lv_obj_t *lv_obj) { this->obj = lv_obj; }
void set_obj(lv_obj_t *lv_obj) { this->obj = lv_obj; }
lv_obj_t *obj{};
};
@@ -49,6 +58,15 @@ using set_value_lambda_t = std::function<void(float)>;
using event_callback_t = void(_lv_event_t *);
using text_lambda_t = std::function<const char *()>;
template<typename... Ts> class ObjUpdateAction : public Action<Ts...> {
public:
explicit ObjUpdateAction(std::function<void(Ts...)> &&lamb) : lamb_(std::move(lamb)) {}
void play(Ts... x) override { this->lamb_(x...); }
protected:
std::function<void(Ts...)> lamb_;
};
#ifdef USE_LVGL_FONT
class FontEngine {
public:
@@ -67,6 +85,9 @@ class FontEngine {
lv_font_t lv_font_{};
};
#endif // USE_LVGL_FONT
#ifdef USE_LVGL_IMAGE
lv_img_dsc_t *lv_img_from(image::Image *src, lv_img_dsc_t *img_dsc = nullptr);
#endif // USE_LVGL_IMAGE
class LvglComponent : public PollingComponent {
constexpr static const char *const TAG = "lvgl";
@@ -92,27 +113,54 @@ class LvglComponent : public PollingComponent {
area->y2++;
}
void loop() override { lv_timer_handler_run_in_period(5); }
void setup() override;
void update() override {}
void update() override {
// update indicators
if (this->paused_) {
return;
}
this->idle_callbacks_.call(lv_disp_get_inactive_time(this->disp_));
}
void loop() override {
if (this->paused_) {
if (this->show_snow_)
this->write_random_();
}
lv_timer_handler_run_in_period(5);
}
void add_on_idle_callback(std::function<void(uint32_t)> &&callback) {
this->idle_callbacks_.add(std::move(callback));
}
void add_display(display::Display *display) { this->displays_.push_back(display); }
void add_init_lambda(const std::function<void(lv_disp_t *)> &lamb) { this->init_lambdas_.push_back(lamb); }
void add_init_lambda(const std::function<void(LvglComponent *)> &lamb) { this->init_lambdas_.push_back(lamb); }
void dump_config() override;
void set_full_refresh(bool full_refresh) { this->full_refresh_ = full_refresh; }
bool is_idle(uint32_t idle_ms) { return lv_disp_get_inactive_time(this->disp_) > idle_ms; }
void set_buffer_frac(size_t frac) { this->buffer_frac_ = frac; }
lv_disp_t *get_disp() { return this->disp_; }
void set_paused(bool paused, bool show_snow) {
this->paused_ = paused;
this->show_snow_ = show_snow;
this->snow_line_ = 0;
if (!paused && lv_scr_act() != nullptr) {
lv_disp_trig_activity(this->disp_); // resets the inactivity time
lv_obj_invalidate(lv_scr_act());
}
}
void add_event_cb(lv_obj_t *obj, event_callback_t callback, lv_event_code_t event) {
lv_obj_add_event_cb(obj, callback, event, this);
if (event == LV_EVENT_VALUE_CHANGED) {
lv_obj_add_event_cb(obj, callback, lv_custom_event, this);
}
}
bool is_paused() const { return this->paused_; }
protected:
void write_random_();
void draw_buffer_(const lv_area_t *area, const uint8_t *ptr);
void flush_cb_(lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p);
std::vector<display::Display *> displays_{};
@@ -120,12 +168,52 @@ class LvglComponent : public PollingComponent {
lv_disp_drv_t disp_drv_{};
lv_disp_t *disp_{};
bool paused_{};
bool show_snow_{};
lv_coord_t snow_line_{};
std::vector<std::function<void(lv_disp_t *)>> init_lambdas_;
std::vector<std::function<void(LvglComponent *lv_component)>> init_lambdas_;
CallbackManager<void(uint32_t)> idle_callbacks_{};
size_t buffer_frac_{1};
bool full_refresh_{};
};
class IdleTrigger : public Trigger<> {
public:
explicit IdleTrigger(LvglComponent *parent, TemplatableValue<uint32_t> timeout) : timeout_(std::move(timeout)) {
parent->add_on_idle_callback([this](uint32_t idle_time) {
if (!this->is_idle_ && idle_time > this->timeout_.value()) {
this->is_idle_ = true;
this->trigger();
} else if (this->is_idle_ && idle_time < this->timeout_.value()) {
this->is_idle_ = false;
}
});
}
protected:
TemplatableValue<uint32_t> timeout_;
bool is_idle_{};
};
template<typename... Ts> class LvglAction : public Action<Ts...>, public Parented<LvglComponent> {
public:
explicit LvglAction(std::function<void(LvglComponent *)> &&lamb) : action_(std::move(lamb)) {}
void play(Ts... x) override { this->action_(this->parent_); }
protected:
std::function<void(LvglComponent *)> action_{};
};
template<typename... Ts> class LvglCondition : public Condition<Ts...>, public Parented<LvglComponent> {
public:
LvglCondition(std::function<bool(LvglComponent *)> &&condition_lambda)
: condition_lambda_(std::move(condition_lambda)) {}
bool check(Ts... x) override { return this->condition_lambda_(this->parent_); }
protected:
std::function<bool(LvglComponent *)> condition_lambda_{};
};
#ifdef USE_LVGL_TOUCHSCREEN
class LVTouchListener : public touchscreen::TouchListener, public Parented<LvglComponent> {
public:
@@ -160,7 +248,62 @@ class LVTouchListener : public touchscreen::TouchListener, public Parented<LvglC
bool touch_pressed_{};
};
#endif // USE_LVGL_TOUCHSCREEN
#ifdef USE_LVGL_KEY_LISTENER
class LVEncoderListener : public Parented<LvglComponent> {
public:
LVEncoderListener(lv_indev_type_t type, uint16_t lpt, uint16_t lprt) {
lv_indev_drv_init(&this->drv_);
this->drv_.type = type;
this->drv_.user_data = this;
this->drv_.long_press_time = lpt;
this->drv_.long_press_repeat_time = lprt;
this->drv_.read_cb = [](lv_indev_drv_t *d, lv_indev_data_t *data) {
auto *l = static_cast<LVEncoderListener *>(d->user_data);
data->state = l->pressed_ ? LV_INDEV_STATE_PRESSED : LV_INDEV_STATE_RELEASED;
data->key = l->key_;
data->enc_diff = (int16_t) (l->count_ - l->last_count_);
l->last_count_ = l->count_;
data->continue_reading = false;
};
}
void set_left_button(binary_sensor::BinarySensor *left_button) {
left_button->add_on_state_callback([this](bool state) { this->event(LV_KEY_LEFT, state); });
}
void set_right_button(binary_sensor::BinarySensor *right_button) {
right_button->add_on_state_callback([this](bool state) { this->event(LV_KEY_RIGHT, state); });
}
void set_enter_button(binary_sensor::BinarySensor *enter_button) {
enter_button->add_on_state_callback([this](bool state) { this->event(LV_KEY_ENTER, state); });
}
void set_sensor(rotary_encoder::RotaryEncoderSensor *sensor) {
sensor->register_listener([this](int32_t count) { this->set_count(count); });
}
void event(int key, bool pressed) {
if (!this->parent_->is_paused()) {
this->pressed_ = pressed;
this->key_ = key;
}
}
void set_count(int32_t count) {
if (!this->parent_->is_paused())
this->count_ = count;
}
lv_indev_drv_t *get_drv() { return &this->drv_; }
protected:
lv_indev_drv_t drv_{};
bool pressed_{};
int32_t count_{};
int32_t last_count_{};
int key_{};
};
#endif // USE_LVGL_KEY_LISTENER
} // namespace lvgl
} // namespace esphome
#endif // USE_LVGL