dashboard: add temperature high alerts

firmware/esp32-s3-dashboard/esp32-s3-dashboard.ino

@@ -19,8 +19,10 @@ static lv_obj_t *battery_charge_pulse_arc = nullptr;
 static lv_obj_t *battery_current_label = nullptr;
 static lv_obj_t *battery_estimate_label = nullptr;
 static lv_obj_t *battery_soc_label = nullptr;
+static lv_obj_t *temp_tile_objs[2] = {nullptr};
 static lv_obj_t *temp_tile_value_labels[2] = {nullptr};
 static lv_obj_t *temp_tile_name_labels[2] = {nullptr};
+static bool last_temp_tile_alert[2] = {false, false};
 static lv_obj_t *system_status_label = nullptr;
 static lv_obj_t *wifi_icon_label = nullptr;
 static lv_obj_t *wifi_bars_obj[4] = {nullptr};
@@ -597,6 +599,34 @@ static void update_system_status_label()
 
 
 
+
+static void update_temp_tile_alert_style(int index, bool alert)
+{
+    if (index < 0 || index >= 2 || temp_tile_objs[index] == nullptr) {
+        return;
+    }
+
+    if (last_temp_tile_alert[index] == alert) {
+        return;
+    }
+
+    last_temp_tile_alert[index] = alert;
+
+    lvgl_port_lock(-1);
+
+    if (alert) {
+        lv_obj_set_style_bg_color(temp_tile_objs[index], lv_color_hex(0x7A271A), 0);
+        lv_obj_set_style_border_color(temp_tile_objs[index], lv_color_hex(0xF97066), 0);
+        lv_obj_set_style_border_width(temp_tile_objs[index], 3, 0);
+    } else {
+        lv_obj_set_style_bg_color(temp_tile_objs[index], lv_color_hex(0x17202A), 0);
+        lv_obj_set_style_border_color(temp_tile_objs[index], lv_color_hex(0x2F3A46), 0);
+        lv_obj_set_style_border_width(temp_tile_objs[index], 2, 0);
+    }
+
+    lvgl_port_unlock();
+}
+
 static void update_overview_widgets()
 {
     String current_text = "Idle";
@@ -687,6 +717,7 @@ static void parse_status_json(const String &body)
             String group;
             int priority;
             int rounded_f;
+            bool high_alert;
         };
 
         TempDisplayItem items[4];
@@ -702,6 +733,7 @@ static void parse_status_json(const String &body)
             }
 
             float temp_f = (float)(temp["temperature_f"] | 0.0);
+            bool high_alert = temp["high_alert"] | false;
 
             if (weather) {
                 outside_status = "OUT ";
@@ -716,7 +748,6 @@ static void parse_status_json(const String &body)
             String name = raw_name && raw_name[0] ? String(raw_name) : String("cabin");
             String group = normalize_temp_group(String(raw_group), name, false);
 
-            // Outside/weather is shown in the status strip, not the main temp card.
             if (group == "outside") {
                 outside_status = "OUT ";
                 outside_status += String((int)round(temp_f));
@@ -728,7 +759,8 @@ static void parse_status_json(const String &body)
                 items[item_count] = {
                     group,
                     temp["priority"] | 99,
-                    (int)round(temp_f)
+                    (int)round(temp_f),
+                    high_alert
                 };
                 item_count++;
             }
@@ -749,13 +781,15 @@ static void parse_status_json(const String &body)
 
         String group_names[2] = {"--", "--"};
         String group_values[2] = {"--", "--"};
+        bool group_alerts[2] = {false, false};
         int group_count = 0;
 
         for (int i = 0; i < item_count; i++) {
             int slot = -1;
+            String display_group = display_temp_group_name(items[i].group);
 
             for (int g = 0; g < group_count; g++) {
-                if (group_names[g] == display_temp_group_name(items[i].group)) {
+                if (group_names[g] == display_group) {
                     slot = g;
                     break;
                 }
@@ -767,7 +801,7 @@ static void parse_status_json(const String &body)
                 }
 
                 slot = group_count;
-                group_names[slot] = display_temp_group_name(items[i].group);
+                group_names[slot] = display_group;
                 group_values[slot] = "";
                 group_count++;
             }
@@ -780,6 +814,10 @@ static void parse_status_json(const String &body)
             }
 
             group_values[slot] += value;
+
+            if (items[i].high_alert) {
+                group_alerts[slot] = true;
+            }
         }
 
         update_outside_status_temp(outside_status);
@@ -787,6 +825,7 @@ static void parse_status_json(const String &body)
         for (int i = 0; i < 2; i++) {
             set_label_text_if_changed(temp_tile_value_labels[i], last_temp_tile_value_text[i], group_values[i]);
             set_label_text_if_changed(temp_tile_name_labels[i], last_temp_tile_name_text[i], group_names[i]);
+            update_temp_tile_alert_style(i, group_alerts[i]);
         }
     }
 
@@ -1016,6 +1055,7 @@ static void create_overland_overview_screen()
 
     for (int i = 0; i < 2; i++) {
         lv_obj_t *tile = lv_obj_create(temp_card);
+        temp_tile_objs[i] = tile;
         lv_obj_set_size(tile, temp_tile_w, temp_tile_h);
         lv_obj_align(tile, LV_ALIGN_TOP_MID, 0, temp_tile_y[i]);
         lv_obj_set_style_radius(tile, 18, 0);