snapshot

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