Feature/add basic structured view object (#641)

* Added basic structured view object and unit test. Added example structured view into server example.

* Removed creation of objects from basic device object into the server example

test/bacnet/basic/object/structured_view/src/main.c

@@ -0,0 +1,59 @@
+/**
+ * @file
+ * @brief Unit test for object
+ * @author Steve Karg <skarg@users.sourceforge.net>
+ * @date May 2024
+ *
+ * SPDX-License-Identifier: MIT
+ */
+#include <zephyr/ztest.h>
+#include <bacnet/basic/object/structured_view.h>
+#include <property_test.h>
+
+/**
+ * @addtogroup bacnet_tests
+ * @{
+ */
+
+/**
+ * @brief Test
+ */
+#if defined(CONFIG_ZTEST_NEW_API)
+ZTEST(tests_object_structured_view, test_object_structured_view)
+#else
+static void test_object_structured_view(void)
+#endif
+{
+    bool status = false;
+    unsigned count = 0, index = 0;
+    const uint32_t instance = 123;
+    const int skip_fail_property_list[] = { -1 };
+
+    Structured_View_Init();
+    Structured_View_Create(instance);
+    status = Structured_View_Valid_Instance(instance);
+    zassert_true(status, NULL);
+    index = Structured_View_Instance_To_Index(instance);
+    zassert_equal(index, 0, NULL);
+    count = Structured_View_Count();
+    zassert_true(count > 0, NULL);
+    bacnet_object_properties_read_write_test(
+        OBJECT_STRUCTURED_VIEW, instance, Structured_View_Property_Lists,
+        Structured_View_Read_Property, NULL, skip_fail_property_list);
+}
+/**
+ * @}
+ */
+
+#if defined(CONFIG_ZTEST_NEW_API)
+ZTEST_SUITE(tests_object_structured_view, NULL, NULL, NULL, NULL, NULL);
+#else
+void test_main(void)
+{
+    ztest_test_suite(
+        tests_object_structured_view, 
+        ztest_unit_test(test_object_structured_view));
+
+    ztest_run_test_suite(tests_object_structured_view);
+}
+#endif