feat: integrate MCP and ES3C28P audio support with upstream compatibility updates

Tactility/Source/TactilityEsp.cpp

@@ -10,8 +10,19 @@
 
 constexpr auto* TAG = "Tactility";
 
+#include <cJSON.h>
+#include <esp_heap_caps.h>
+
 namespace tt {
 
+static void* cjson_psram_malloc(size_t size) {
+    return heap_caps_malloc(size, MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
+}
+
+static void cjson_psram_free(void* ptr) {
+    heap_caps_free(ptr);
+}
+
 static void initNetwork() {
     LOG_I(TAG, "Init network");
     ESP_ERROR_CHECK(esp_netif_init());
@@ -19,6 +30,13 @@ static void initNetwork() {
 }
 
 void initEsp() {
+    cJSON_Hooks hooks = {
+        .malloc_fn = cjson_psram_malloc,
+        .free_fn = cjson_psram_free
+    };
+    cJSON_InitHooks(&hooks);
+    LOG_I(TAG, "cJSON hooks initialized to use PSRAM");
+
     check(initPartitionsEsp(), "Failed to init partitions");
     initNetwork();
 }