EchoLot/Display.cpp

/*
 * Display.cpp
 *
 *  Created on: 05.01.2026
 *      Author: FSmilari
 */

#include "Display.h"
#include "Adafruit_ST7735.h"
#include "images/SFToolsLogo.h"
#include "fonts/titillium_web_regular16pt7b.h"  // Add a custom font
#include "fonts/titillium_web_regular12pt7b.h"  // Add a custom font
//#include "fonts/titillium_web_regular8pt7b.h"  // Add a custom font
#include <Fonts/FreeSans9pt7b.h>  // Add a custom font
#include "images/stm32duino_logo.h"
#include "images/thermometer_32.h"
#include "images/gear.h"
#include "images/zzz.h"
#include "images/ruler.h"
#include "images/air.h"
#include "images/water.h"
#include "images/water_s.h"


//#define LED -1		// to +5v
//#define SCK  PA5
//#define SDA  PA7
//#define MISO -1
//#define MOSI SDA
#define CS   PA2
#define DC 	 PA1
#define RST  PA0

#define ST7735_ARDUINOGREEN 0x04b3
#define ST7735_STM32BLUE 0x03d6

/*****************
 ** Constructors.
 ****************/
Display::Display() : tft(Adafruit_ST7735(CS, DC, RST)) { // @suppress("Abstract class cannot be instantiated")
	angle = 0;
	starttime = millis();
	refreshScreen = true;
	configValue = 0.0;
	configUnit = "m/s";
}

void Display::init(void) {
	tft.initR(INITR_BLACKTAB);
	tft.fillScreen(ST7735_BLACK);
	tft.setRotation(1);
	tft.setTextWrap(false);
	tft.setTextColor(ST7735_WHITE);
	refreshScreen = true;
}

void Display::display(void) {
	if (!refreshScreen) {
		return;
	}

//	redrawFrame();
	refreshScreen = false;
}

void Display::drawXCenteredText(String txt, const GFXfont *font, uint8_t size, uint16_t col, int16_t y) {
	int16_t x1, y1; // Top-left corner of text
	uint16_t w, h;  // Width and height

	tft.setFont(font);
	tft.setTextSize(size);  // Set text size. Goes from 0 (the smallest) to 20 (very big)
	tft.setTextColor(col);

	// Get bounds starting from (0, 0)
	tft.getTextBounds(txt, 0, 0, &x1, &y1, &w, &h);

	// Calculate centered position
	int16_t centered_x = (SCREEN_WIDTH - w) / 2 - 3;

	// Set cursor and print
	tft.setCursor(centered_x, y);
	tft.print(txt);
}

void Display::drawText(String txt, const GFXfont *font, uint8_t size, uint16_t col, int16_t x, int16_t y) {
	tft.setFont(font);
	tft.setTextSize(size);  // Set text size. Goes from 0 (the smallest) to 20 (very big)
	tft.setTextColor(col);

	tft.setCursor(x, y);
	tft.print(txt);
}

void Display::clearDisplay(void) {
	tft.fillScreen(ST7735_BLACK);
}

void Display::showBrand(int16_t x, int16_t y) {
	drawBitmap(x, y, 128, 34, SFTools_Logo, ST7735_ORANGE);
}

void Display::showInitialization(void) {
	redrawFrame();
	drawXCenteredText("EchoLoT", &titillium_web_regular16pt7b, 1, ST7735_CYAN, 36);
	drawXCenteredText("designed by", &FreeSans9pt7b, 1, ST7735_WHITE, 64);
	showBrand(16, 84);
	delay(3000);

	redrawFrame();
	drawText("powered by", &FreeSans9pt7b, 1, ST7735_CYAN, 35, 30);
	tft.fillRoundRect(46, 42, 68, 68, 7, ST7735_STM32BLUE);
	drawBitmap(48, 44, 64, 64, epd_bitmap_stm32duino_logo_icon, ST7735_WHITE);

//	tft.drawBitmap(5, 100, epd_bitmap_gear, 24, 24, ST7735_YELLOW);
//	tft.drawBitmap(40, 100, epd_bitmap_Zzz_24, 24, 24, ST7735_CYAN);
//	tft.drawBitmap(75, 100, epd_bitmap_Measure_25, 25, 25, ST7735_RED);
//	tft.fillTriangle(75, 98, 80, 102, 75, 107, ST7735_RED);
//	tft.fillTriangle(82, 98, 87, 102, 82, 107, ST7735_RED);
//	tft.fillTriangle(89, 98, 94, 102, 89, 107, ST7735_RED);
//	tft.fillTriangle(96, 98, 101, 102, 96, 107, ST7735_RED);
//
//	tft.drawBitmap(110, 100, epd_bitmap_air, 24, 24, ST7735_CYAN);
//	tft.drawBitmap(110, 100, epd_bitmap_water, 24, 24, ST7735_BLUE);
//	tft.drawBitmap(110, 100, epd_bitmap_water_s, 24, 24, ST7735_BLUE);
//	tft.drawBitmap(1, 160 - 32, thermometer_icon_32, 32, 32, 0xE71C);


	delay(3000);
}

void Display::showFrame(Status status) {
	redrawFrame();

	switch (status) {
		case Status::IDLE:
			break;
//		case Status::TOOLCHANGE:
//			drawStatusText(STATUS_TXT_TOOLCHG);
//			break;
//		case Status::CONFIG:
//			drawStatusText(STATUS_TXT_CFG);
//			break;
//		case Status::NULLING:
//			drawStatusText(STATUS_TXT_NULLING);
//			break;
//		case Status::DIVING:
//			drawStatusText(STATUS_TXT_DIVING);
//			break;
		default:
			break;
	}
}

/* ===== Private methods ===== */
void Display::drawBitmap(int x, int y, int w, int h, const uint8_t bitmap[], uint16_t col) {
	tft.drawBitmap(x, y, bitmap, w, h, col);
}

void Display::drawRGBBitmap(int x, int y, int w, int h, const uint16_t bitmap[]) {
	tft.drawRGBBitmap(x, y, bitmap, w, h);
}


void Display::redrawFrame() {
	clearDisplay();
	tft.drawRoundRect(0, 0, 160, 128, 9, ST7735_CYAN);
	tft.drawRoundRect(1, 1, 158, 126, 8, ST7735_CYAN);
}