OSCBS-23 Scalable BACnet object arrays, part #2

Add processing object table as section iterable for zephyr - zephyr/subset/object/device.c - zephyr/subset/object/objects.ld Add object descriptor array as dynamic list - zephyr/subset/object/object.h - zephyr/subset/object/*.c
2022-06-17 11:56:17 +03:00
parent 23fb2394c5
commit 1b147e2edc
41 changed files with 689 additions and 1 deletions
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2022 Legrand North America, LLC.
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+/** @file device.c Zephyr specific part of the Base "class". */
+
+#ifdef CONFIG_BACNET_USE_SECTION_ITERABLE_OBJECT_TABLE
+#include <zephyr.h>
+#endif
+#include "bacnet/basic/object/device.h"
+#include "object.h"
+
+#ifdef CONFIG_BACNET_USE_SECTION_ITERABLE_OBJECT_TABLE
+  extern struct object_functions _object_functions_list_end[];
+#endif
+
+#if BAC_ROUTING
+static object_functions Routing_object = {
+    .Object_Type = OBJECT_DEVICE,
+    .Object_Init = NULL,
+    .Object_Count = Device_Count,
+    .Object_Index_To_Instance = Routed_Device_Index_To_Instance,
+    .Object_Valid_Instance = Routed_Device_Valid_Object_Instance_Number,
+    .Object_Name = Routed_Device_Name,
+    .Object_Read_Property = Routed_Device_Read_Property_Local,
+    .Object_Write_Property = Routed_Device_Write_Property_Local,
+    .Object_RPM_List = Device_Property_Lists,
+    .Object_RR_Info = DeviceGetRRInfo
+    .Object_Iterator =  NULL,
+    .Object_Value_List =  NULL,
+    .Object_COV =  NULL,
+    .Object_COV_Clear =  NULL,
+    .Object_Intrinsic_Reporting =  NULL,
+};
+static bool routing_Device = false;
+
+/* In Zephyr port the object_functions table is saved in ROM and 
+   can't change fields value.
+   Instead this Device_Objects_Get_First(Next)_Object() returns the "Routing"
+   object when asked "Device" object, see static filter functions. */
+void Routing_Device_Init(uint32_t first_object_instance)
+{
+    /* Initialize with our preset strings */
+    Add_Routed_Device(first_object_instance, &My_Object_Name, Description);
+
+    routing_Device = true;
+}
+
+#endif /* BAC_ROUTING */
+
+#ifdef CONFIG_BACNET_USE_SECTION_ITERABLE_OBJECT_TABLE
+static struct object_functions *Device_Object_Filter_Out(
+    struct object_functions *pObject)
+{
+#if BAC_ROUTING
+    if (routing_Device && pObject == &Device_object)
+        return &Routing_object;
+    else
+#endif
+    return pObject;
+}
+
+static struct object_functions *Device_Object_Filter_In(
+    struct object_functions *pObject)
+{
+#if BAC_ROUTING
+    if (routing_Device && pObject == &Routing_object)
+        return &Device_object;
+    else
+#endif
+    return pObject;
+}
+
+struct object_functions *Device_Objects_Get_First_Object(void)
+{
+    STRUCT_SECTION_FOREACH(object_functions, pObject) {
+        return Device_Object_Filter_Out(pObject);
+    }
+    return NULL;
+}
+
+struct object_functions *Device_Objects_Get_Next_Object(
+    struct object_functions *object)
+{
+    if (object == NULL)
+        return NULL;
+    
+    object = Device_Object_Filter_In(object);
+    ++object;
+
+    if (object < _object_functions_list_end) {
+        return Device_Object_Filter_Out(object);
+    }
+    return NULL;
+}
+#endif /* CONFIG_BACNET_USE_SECTION_ITERABLE_OBJECT_TABLE */
+
+/**
+ * Allocate a Bacnet object
+ */
+void* Bacnet_Object_Allocate(size_t size)
+{
+    return k_malloc(size);
+}
+
+/**
+ * Free a Bacnet object
+ */
+void Bacnet_Object_Free(void *descr)
+{
+    k_free(descr);
+}