Move UtilitiesGroups to PSRAM

components/nspanel_ha_blueprint/utilities.cpp

@@ -2,13 +2,28 @@
 #include "utilities.h"
 #include <cstdint>
 #include <cstring>
+#ifdef USE_ESP_IDF
+#include "esp_heap_caps.h"
+#elif defined(USE_ARDUINO)
+#include "esp32-hal-psram.h"
+#endif  // ESP-IDF vs ARDUINO
+
 
 namespace nspanel_ha_blueprint {
 
-    UtilitiesGroupValues UtilitiesGroups[8];
+    UtilitiesGroupValues *UtilitiesGroups = nullptr;
 
     void resetUtilitiesGroups() {
-        // Temporary structure to hold the initial values
+        // Dynamically allocate the UtilitiesGroups array in PSRAM
+        #ifdef USE_ESP_IDF
+        UtilitiesGroups = static_cast<UtilitiesGroupValues*>(heap_caps_malloc(8 * sizeof(UtilitiesGroupValues), MALLOC_CAP_SPIRAM));
+        #elif defined(USE_ARDUINO)
+        UtilitiesGroups = static_cast<UtilitiesGroupValues*>(ps_malloc(8 * sizeof(UtilitiesGroupValues)));
+        #endif  // ESP-IDF vs ARDUINO
+        
+        if (!UtilitiesGroups) UtilitiesGroups = new UtilitiesGroupValues[8];  // Fallback to internal SRAM if PSRAM is not available or not supported
+        if (!UtilitiesGroups) return;  // Fail nicely if no memory is available
+
         const UtilitiesGroupValues initialUtilitiesGroups[8] = {
             { "grid", "\0", "\0", 0 },
             { "group01", "\0", "\0", 0 },
@@ -28,24 +43,31 @@ namespace nspanel_ha_blueprint {
         }
     }
 
+    void cleanupUtilitiesGroups() {
+        if (UtilitiesGroups != nullptr) {
+            free(UtilitiesGroups);  // Compatible with both heap_caps_malloc and ps_malloc
+            UtilitiesGroups = nullptr;  // Prevent dangling pointers
+        }
+    }
+
     uint8_t findUtilitiesGroupIndex(const char* group_id) {
         int low = 0;
-        int high = sizeof(UtilitiesGroups) / sizeof(UtilitiesGroups[0]) - 1;
+        int high = 7;  // Directly use the number of elements in UtilitiesGroups - 1
 
         while (low <= high) {
             int mid = low + (high - low) / 2;
-            int cmp = strcmp(UtilitiesGroups[mid].group_id, group_id);
+            int cmp = std::strcmp(UtilitiesGroups[mid].group_id, group_id);
 
             if (cmp < 0) {
                 low = mid + 1;
             } else if (cmp > 0) {
                 high = mid - 1;
             } else {
-                return static_cast<uint8_t>(mid); // Found
+                return static_cast<uint8_t>(mid);  // Found
             }
         }
 
-        return UINT8_MAX; // Not found
+        return UINT8_MAX;  // Not found
     }
 
 }  // namespace nspanel_ha_blueprint