ESP32-C6 Hello World Display

#include <Arduino.h>
#include <SPI.h>
#include <WiFi.h>
#include <WiFiManager.h>
#include <time.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ST7789.h>
#include <Adafruit_NeoPixel.h>
#include <U8g2_for_Adafruit_GFX.h>
#include "DeskBuddy.h"
#include "Settings.h"
#include "Services.h"
#include "WebUi.h"
#include "EveEyes.h"

#ifndef ST77XX_DARKGREY
#define ST77XX_DARKGREY 0x7BEF
#endif


// Forward declarations
bool online();
String clip(const String &s, uint8_t n);
static void selectUnicodeFont(uint8_t textSize);
void centerText(const String &s, int16_t y, uint8_t size, uint16_t color);
static void wrappedCenterText(const String &s, int16_t y, uint8_t size, uint16_t color, int16_t maxWidth);
void drawDots();
static void drawFacePage();
static void networkPage(const String &title, const String &a, const String &b, const String &c);
static void drawClock();
static void updateClock();
static void drawDate();
static void drawMoon();
void showPage();
static void connectWiFi();
static Page nextEnabledAutoPage(Page current);

static constexpr int TFT_CS_PIN = 14, TFT_DC_PIN = 15, TFT_RST_PIN = 21;
static constexpr int TFT_SCLK_PIN = 7, TFT_MOSI_PIN = 6, TFT_BL_PIN = 22, RGB_LED_PIN_NUM = 8;
Adafruit_ST7789 tft(TFT_CS_PIN, TFT_DC_PIN, TFT_RST_PIN);
Adafruit_NeoPixel statusLed(1, RGB_LED_PIN_NUM, NEO_GRB + NEO_KHZ800);
U8G2_FOR_ADAFRUIT_GFX unicodeFont;
WebServer server(80);
Page page = FACE_PAGE;
uint32_t pageStartedAt = 0, lastDataAt = 0;
static uint32_t lastClockSecond = UINT32_MAX, lastWiFiRetryAt = 0;

bool online() { return WiFi.status() == WL_CONNECTED; }
String clip(const String &s, uint8_t n) { return s.length() <= n ? s : s.substring(0, n - 1) + "..."; }

static void selectUnicodeFont(uint8_t textSize) {
  int level = fontPreset; if (textSize >= 4) level = 2;
  if (level == 0) unicodeFont.setFont(u8g2_font_6x12_t_cyrillic);
  else if (level == 1) unicodeFont.setFont(u8g2_font_unifont_t_cyrillic);
  else unicodeFont.setFont(u8g2_font_10x20_t_cyrillic);
  unicodeFont.setFontMode(1);
}
void centerText(const String &s, int16_t y, uint8_t size, uint16_t color) {
  tft.setTextWrap(false);
  if (russianLanguage) {
    selectUnicodeFont(size); unicodeFont.setForegroundColor(color);
    uint16_t w = unicodeFont.getUTF8Width(s.c_str());
    int16_t baseline = constrain((size <= 1 ? 11 : size == 2 ? 15 : 19) + fontPreset - 1, 11, 19);
    unicodeFont.setCursor(max<int16_t>(0, (SCREEN_WIDTH - w) / 2), y + baseline); unicodeFont.print(s); return;
  }
  tft.setTextSize(scaledTextSize(size)); tft.setTextColor(color, ST77XX_BLACK);
  int16_t x, yy; uint16_t w, h; tft.getTextBounds(s, 0, y, &x, &yy, &w, &h);
  tft.setCursor((SCREEN_WIDTH - w) / 2, y); tft.print(s);
}
static void wrappedCenterText(const String &s, int16_t y, uint8_t size, uint16_t color, int16_t maxWidth) {
  if (!russianLanguage) { centerText(clip(s, 40), y, size, color); return; }
  selectUnicodeFont(size); if (unicodeFont.getUTF8Width(s.c_str()) <= maxWidth) { centerText(s, y, size, color); return; }
  int split = -1;
  for (uint16_t i = 0; i < s.length(); ++i) if (s.charAt(i) == ' ') { String part = s.substring(0, i); if (unicodeFont.getUTF8Width(part.c_str()) <= maxWidth) split = i; else break; }
  if (split < 1) { centerText(s, y, size, color); return; }
  centerText(s.substring(0, split), y, size, color); centerText(s.substring(split + 1), y + (fontPreset == 2 ? 24 : 20), size, color);
}
void drawDots() { for (uint8_t i = 0; i < PAGE_COUNT; i++) tft.fillCircle(112 + i * 16, 164, 3, i == page ? ST77XX_CYAN : ST77XX_DARKGREY); }

static void drawFacePage() {
  eveEyesEnter(faceMood, randomEmotions, wifiEyeMotion, online() ? WiFi.RSSI() : -90, online());
  drawDots();
}
static void networkPage(const String &title, const String &a, const String &b, const String &c) {
  tft.fillScreen(ST77XX_BLACK); centerText(title, 14, 1, ST77XX_CYAN); wrappedCenterText(a, 46, 2, ST77XX_WHITE, 300); wrappedCenterText(b, 92, 1, ST77XX_WHITE, 300); wrappedCenterText(c, 132, 1, ST77XX_DARKGREY, 300); drawDots();
}
static void drawClock() { tft.fillScreen(ST77XX_BLACK); centerText(tr("CLOCK", "ЧАСЫ"), 18, 1, ST77XX_CYAN); lastClockSecond = UINT32_MAX; drawDots(); }
static void updateClock() {
  time_t now = time(nullptr); if (now < 100000) { centerText(tr("Syncing time...", "Синхронизация..."), 75, 2, ST77XX_WHITE); return; }
  tm ti; localtime_r(&now, &ti); if ((uint32_t)ti.tm_sec == lastClockSecond) return; lastClockSecond = ti.tm_sec;
  char text[12]; strftime(text, sizeof(text), "%H:%M:%S", &ti); tft.fillRect(25, 58, 270, 44, ST77XX_BLACK); centerText(text, 62, 4, ST77XX_WHITE); centerText(online() ? tr("NTP synchronized", "NTP синхронизирован") : tr("Clock running", "Часы работают"), 122, 1, ST77XX_DARKGREY);
}
static void drawDate() {
  tft.fillScreen(ST77XX_BLACK); centerText(tr("DATE", "ДАТА"), 18, 1, ST77XX_CYAN); time_t now = time(nullptr);
  if (now < 100000) centerText(tr("Waiting for time sync", "Ожидание времени"), 80, 1, ST77XX_WHITE);
  else {
    static const char *const weekdaysEn[] = {"Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"};
    static const char *const weekdaysRu[] = {"Воскресенье","Понедельник","Вторник","Среда","Четверг","Пятница","Суббота"};
    static const char *const monthsEn[] = {"January","February","March","April","May","June","July","August","September","October","November","December"};
    static const char *const monthsRu[] = {"января","февраля","марта","апреля","мая","июня","июля","августа","сентября","октября","ноября","декабря"};
    tm ti; localtime_r(&now, &ti); String weekday = russianLanguage ? weekdaysRu[ti.tm_wday] : weekdaysEn[ti.tm_wday]; String date = String(ti.tm_mday) + " " + (russianLanguage ? monthsRu[ti.tm_mon] : monthsEn[ti.tm_mon]) + " " + String(ti.tm_year + 1900); centerText(weekday, 62, 2, ST77XX_WHITE); centerText(date, 96, 1, ST77XX_CYAN);
  } drawDots();
}
static void drawMoon() {
  time_t now = time(nullptr); if (now < 100000) { networkPage(tr("MOON", "ЛУНА"), tr("Waiting for time", "Ожидание времени"), "", ""); return; }
  double phase = fmod(difftime(now, 947182440) / 86400.0, 29.53058867) / 29.53058867; if (phase < 0) phase += 1;
  String name = phase < .03 || phase > .97 ? tr("New Moon", "Новолуние") : phase < .22 ? tr("Waxing Crescent", "Растущий серп") : phase < .28 ? tr("First Quarter", "Первая четверть") : phase < .47 ? tr("Waxing Gibbous", "Растущая луна") : phase < .53 ? tr("Full Moon", "Полнолуние") : phase < .72 ? tr("Waning Gibbous", "Убывающая луна") : phase < .78 ? tr("Last Quarter", "Последняя четверть") : tr("Waning Crescent", "Убывающий серп");
  networkPage(tr("MOON", "ЛУНА"), name, tr("Illumination ", "Освещённость ") + String((int)(100 * (1 - fabs(2 * phase - 1)))) + "%", tr("Local calculation", "Локальный расчёт"));
}
static Page nextEnabledAutoPage(Page current) {
  // Search once around the seven pages; the mask always contains at least one page.
  for (uint8_t step = 1; step <= PAGE_COUNT; ++step) {
    Page candidate = (Page)(((uint8_t)current + step) % PAGE_COUNT);
    if (autoSlideMask & (1U << (uint8_t)candidate)) return candidate;
  }
  return FACE_PAGE;
}
void showPage() {
  if (page == FACE_PAGE) drawFacePage(); else if (page == CLOCK_PAGE) drawClock(); else if (page == DATE_PAGE) drawDate(); else if (page == WEATHER_PAGE) networkPage(tr("WEATHER", "ПОГОДА"), isnan(temperatureC) ? "—" : String(temperatureC, 1) + " C", weatherText, city); else if (page == MOON_PAGE) drawMoon(); else if (page == STOCK_PAGE) networkPage(tr("STOCK", "АКЦИИ"), stockSymbol, stockText, online() ? (stockProvider == "moex" ? "MOEX · 10 min" : "Yahoo · 10 min") : tr("Wi-Fi required", "Нужен Wi-Fi")); else networkPage(tr("GITHUB", "ГИТХАБ"), githubUser.length() ? "@" + githubUser : tr("Set a username", "Укажите имя"), githubText, online() ? tr("GitHub API · 10 min", "GitHub API · 10 мин") : tr("Wi-Fi required", "Нужен Wi-Fi"));
}
static void connectWiFi() { WiFiManager manager; manager.setConfigPortalTimeout(180); manager.setConnectTimeout(20); bool ok = manager.autoConnect("DeskBuddy-Setup", "deskbuddy"); statusLed.setPixelColor(0, ok ? statusLed.Color(0,20,4) : statusLed.Color(20,8,0)); statusLed.show(); }
void setup() {
  Serial.begin(115200); ledcAttach(TFT_BL_PIN, 5000, 8); statusLed.begin(); statusLed.setBrightness(20); statusLed.setPixelColor(0, statusLed.Color(0,0,18)); statusLed.show();
  SPI.begin(TFT_SCLK_PIN, -1, TFT_MOSI_PIN, TFT_CS_PIN); SPI.setFrequency(27000000); tft.init(172, 320); tft.setRotation(1); unicodeFont.begin(tft); loadSettings(); ledcWrite(TFT_BL_PIN, brightness); eveEyesBegin(); connectWiFi(); startServer(); if (online()) refreshData(); showPage(); pageStartedAt = millis();
}
void loop() {
  uint32_t now = millis(); server.handleClient();
  if (!online() && now - lastWiFiRetryAt >= WIFI_RETRY_MS) { lastWiFiRetryAt = now; WiFi.reconnect(); }
  if (online() && now - lastDataAt >= DATA_REFRESH_MS) refreshData();
  if (autoSlideshow && now - pageStartedAt >= pageMs) { page = nextEnabledAutoPage(page); pageStartedAt = now; showPage(); }
  if (page == FACE_PAGE) eveEyesUpdate(faceMood, randomEmotions, wifiEyeMotion, online() ? WiFi.RSSI() : -90, online());
  if (page == CLOCK_PAGE) updateClock();
}