snapshot

sketches/doorbell-touch-esp32-32e/Config.h

@@ -11,7 +11,7 @@
 struct WiFiCred { const char *ssid; const char *pass; };
 static WiFiCred wifiNetworks[] = {
   { "Dobro Veče",   "goodnight"    },
-  { "berylpunk",    "dhgwilliam"   },
+  { "iot-2GHz",    "lesson-greater"   },
 };
 static const int NUM_WIFI = sizeof(wifiNetworks) / sizeof(wifiNetworks[0]);
 

sketches/doorbell-touch-esp32-32e/DisplayManager.cpp

@@ -7,6 +7,23 @@ void DisplayManager::begin() {
 
   _tft.init();
   _tft.setRotation(1);  // landscape: 480x320
+
+  // === DIAGNOSTIC: most basic text rendering ===
+  _tft.fillScreen(TFT_BLUE);
+  _tft.setTextColor(TFT_WHITE);  // no background color arg
+  _tft.setTextFont(1);           // explicitly set GLCD font
+  _tft.setTextSize(3);
+  _tft.setCursor(10, 10);        // absolute position, no datum
+  _tft.print("HELLO");
+  _tft.setCursor(10, 60);
+  _tft.print("W:");
+  _tft.print(_tft.width());
+  _tft.setCursor(10, 110);
+  _tft.print("H:");
+  _tft.print(_tft.height());
+  delay(5000);
+  // === END DIAGNOSTIC ===
+
   _tft.fillScreen(COL_BLACK);
 }
 
@@ -188,10 +205,19 @@ void DisplayManager::drawStatusScreen(const ScreenState& s) {
                    s.deviceState == DeviceState::SILENT   ? COL_GREEN : COL_NEON_TEAL;
   drawInfoLine(x, y, stCol, buf); y += sp;
 
-  if (strlen(s.alertMessage) > 0) {
-    snprintf(buf, sizeof(buf), "Last: %.40s", s.alertMessage);
-    drawInfoLine(x, y, COL_DARK_GRAY, buf); y += sp;
+// Recent alerts
+if (s.alertHistoryCount > 0) {
+  drawInfoLine(x, y, COL_MINT, "Recent Alerts:"); y += sp;
+  for (int i = 0; i < s.alertHistoryCount; i++) {
+    uint16_t col = (i == 0) ? COL_YELLOW : COL_DARK_GRAY;
+    snprintf(buf, sizeof(buf), "%s  %.35s",
+      s.alertHistory[i].timestamp,
+      s.alertHistory[i].message);
+    drawInfoLine(x, y, col, buf); y += sp;
   }
+} else {
+  drawInfoLine(x, y, COL_DARK_GRAY, "No alerts yet"); y += sp;
+}
 
   if (s.debugMode) {
     drawInfoLine(x, y, COL_YELLOW, "DEBUG MODE - _test topics");

sketches/doorbell-touch-esp32-32e/DoorbellLogic.cpp

@@ -117,11 +117,11 @@ void DoorbellLogic::update() {
 
   switch (_state) {
     case DeviceState::ALERTING:
-      if (now - _alertStart > ALERT_TIMEOUT_MS) {
-        Serial.println("[ALERT] Timeout — auto-silencing");
-        handleSilence("timeout");
-        break;
-      }
+      // if (now - _alertStart > ALERT_TIMEOUT_MS) {
+      //   Serial.println("[ALERT] Timeout — auto-silencing");
+      //   handleSilence("timeout");
+      //   break;
+      // }
       if (now - _lastBlink >= BLINK_INTERVAL_MS) {
         _lastBlink = now;
         _blinkState = !_blinkState;
@@ -251,7 +251,21 @@ void DoorbellLogic::transitionTo(DeviceState newState) {
 void DoorbellLogic::handleAlert(const String& msg) {
   if (_state == DeviceState::ALERTING && _currentMessage == msg) return;
   _currentMessage = msg;
-  _alertMsgEpoch = _lastParsedMsgEpoch;  // store ntfy server time of this alert
+  _alertMsgEpoch = _lastParsedMsgEpoch;
+
+  // Push into history (shift older entries down)
+  for (int i = ALERT_HISTORY_SIZE - 1; i > 0; i--) {
+    _screen.alertHistory[i] = _screen.alertHistory[i - 1];
+  }
+  strncpy(_screen.alertHistory[0].message, msg.c_str(), 63);
+  _screen.alertHistory[0].message[63] = '\0';
+  strncpy(_screen.alertHistory[0].timestamp,
+    _ntpSynced ? _timeClient->getFormattedTime().c_str() : "??:??:??", 11);
+  _screen.alertHistory[0].timestamp[11] = '\0';
+
+  if (_screen.alertHistoryCount < ALERT_HISTORY_SIZE)
+    _screen.alertHistoryCount++;
+
   Serial.printf("[ALERT] Accepted. ntfy time=%ld\n", (long)_alertMsgEpoch);
   transitionTo(DeviceState::ALERTING);
   queueStatus("ALERTING", msg);

sketches/doorbell-touch-esp32-32e/ScreenData.h

@@ -21,6 +21,13 @@ enum class ScreenID : uint8_t {
   OFF      // backlight off, nothing to draw
 };
 
+#define ALERT_HISTORY_SIZE 3
+
+struct AlertRecord {
+  char message[64]   = "";
+  char timestamp[12] = "";   // "HH:MM:SS"
+};
+
 // Everything the display needs to render any screen
 struct ScreenState {
   ScreenID      screen          = ScreenID::BOOT_SPLASH;
@@ -47,6 +54,11 @@ struct ScreenState {
 
   // Debug
   bool          debugMode       = false;
+
+  // Alert history (newest first)
+  AlertRecord alertHistory[ALERT_HISTORY_SIZE] = {};
+  int         alertHistoryCount = 0;
+
 };
 
 // Touch event passed from display to logic

sketches/doorbell-touch-esp32-32e/User_Setup.h

@@ -1,33 +0,0 @@
-// ===== User_Setup.h for E32R35T (ESP32-32E 3.5" Display) =====
-#define USER_SETUP_LOADED
-
-#define ST7796_DRIVER
-
-#define TFT_WIDTH  320
-#define TFT_HEIGHT 480
-
-// LCD pins (HSPI bus)
-#define TFT_CS    15
-#define TFT_DC     2    // Called "TFT_RS" on the board
-#define TFT_RST   -1    // RST is tied to EN (ESP32 reset pin), not a GPIO
-#define TFT_MOSI  13
-#define TFT_SCLK  14
-#define TFT_MISO  12
-
-// Backlight
-#define TFT_BL    27
-#define TFT_BACKLIGHT_ON HIGH
-
-// Touch (XPT2046, shares HSPI bus with LCD)
-#define TOUCH_CS  33
-
-// Use HSPI port (not default VSPI)
-#define USE_HSPI_PORT
-
-// SPI Frequencies
-#define SPI_FREQUENCY       27000000
-#define SPI_READ_FREQUENCY  20000000
-#define SPI_TOUCH_FREQUENCY  2500000
-
-#define SUPPORT_TRANSACTIONS
-

sketches/doorbell-touch-esp32-32e/doorbell-touch-esp32-32e.ino

@@ -16,6 +16,16 @@
 DisplayManager display;
 DoorbellLogic  logic;
 
+#include <TFT_eSPI.h>
+
+#ifndef LOAD_GLCD
+  #error "LOAD_GLCD is NOT defined — fonts missing!"
+#endif
+
+#ifndef ST7796_DRIVER
+  #error "ST7796_DRIVER is NOT defined — wrong setup!"
+#endif
+
 void setup() {
   Serial.begin(115200);
   unsigned long t = millis();