OMOTE/Platformio/HAL/Targets/ESP32/display/display.hpp
2023-10-22 20:35:49 +02:00

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2.2 KiB
C++

#pragma once
#include "DisplayAbstract.h"
#include "HardwareAbstract.hpp"
#include "Notification.hpp"
#include "driver/ledc.h"
#include <Adafruit_FT6206.h>
#include <TFT_eSPI.h>
#include <memory>
/*LEDC Channel to use for the LCD backlight*/
#define LCD_BACKLIGHT_LEDC_CHANNEL LEDC_CHANNEL_5
#define LCD_BACKLIGHT_LEDC_FREQUENCY 640
#define LCD_BACKLIGHT_LEDC_BIT_RESOLUTION 8
#define DEFAULT_BACKLIGHT_BRIGHTNESS 128
class Display : public DisplayAbstract {
public:
static std::shared_ptr<Display> getInstance();
/// @brief Set brightness setting and fade to it
/// @param brightness
virtual void setBrightness(uint8_t brightness) override;
virtual uint8_t getBrightness() override;
virtual void turnOff() override;
std::shared_ptr<Notification<TS_Point>> TouchNotification() {
return mTouchEvent;
}
inline void wake() {
if (isAsleep) {
isAsleep = false;
startFade();
}
}
inline void sleep() {
if (!isAsleep) {
isAsleep = true;
startFade();
}
}
protected:
virtual void flushDisplay(lv_disp_drv_t *disp, const lv_area_t *area,
lv_color_t *color_p);
virtual void screenInput(lv_indev_drv_t *indev_driver,
lv_indev_data_t *data) override;
/// @brief Fade toward brightness based on isAwake
/// @return True - Fade complete
/// False - Fade set point not reached
bool fade();
/// @brief Start the Fade task
void startFade();
/// @brief Set the actual display brightness right now
/// @param brightness
void setCurrentBrightness(uint8_t brightness);
private:
Display(int backlight_pin, int enable_pin);
void setupTFT();
void setupTouchScreen();
void setupBacklight();
int mEnablePin;
int mBacklightPin;
TFT_eSPI tft;
Adafruit_FT6206 touch;
TS_Point touchPoint;
TS_Point oldPoint;
std::shared_ptr<Notification<TS_Point>> mTouchEvent =
std::make_shared<Notification<TS_Point>>();
TaskHandle_t mDisplayFadeTask = nullptr;
SemaphoreHandle_t mFadeTaskMutex = nullptr;
static void fadeImpl(void *aBrightness);
uint8_t mBrightness = 0; // Current display brightness
uint8_t mAwakeBrightness = 100; // Current setting for brightness when awake
bool isAsleep = false;
};