Added segmentation support for server reply. (#974)

Added segmentation support for server devices for some services. Configure BACNET_SEGMENTATION_ENABLED=1 to include in the library, and adjust BACNET_MAX_SEGMENTS_ACCEPTED for maximum number of segments.

apps/server/main.c

@@ -174,6 +174,20 @@ static void Init_Service_Handlers(void)
                 (unsigned)object_data.object_instance);
         }
     }
+#if BACNET_SEGMENTATION_ENABLED
+    printf("Segmentation is enabled.\n");
+    /* create extra object to stress the object list */
+    for (i = 0; i < 500; i++) {
+        object_data.object_instance = BACNET_MAX_INSTANCE;
+        object_data.object_type = OBJECT_ANALOG_INPUT;
+        if (Device_Create_Object(&object_data)) {
+            printf(
+                "Created object %s-%u\n",
+                bactext_object_type_name(object_data.object_type),
+                (unsigned)object_data.object_instance);
+        }
+    }
+#endif
     /* we need to handle who-is to support dynamic device binding */
     apdu_set_unconfirmed_handler(
         SERVICE_UNCONFIRMED_WHO_IS, handler_who_is_who_am_i_unicast);