Support multi backend items

item.cpp

@@ -0,0 +1,9 @@
+#include "item.h"
+#include "string.h"
+
+void Item::setName(const char * const nameN)
+{
+    size_t len = strlen(name);
+    if(len < MAX_NAME_LENGTH)memcpy(name, nameN, len+1);
+}
+