skarg
267 lines
8.4 KiB
C
267 lines
8.4 KiB
C
/*####COPYRIGHTBEGIN####
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-------------------------------------------
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Copyright (C) 2005 Steve Karg
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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The Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA.
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As a special exception, if other files instantiate templates or
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use macros or inline functions from this file, or you compile
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this file and link it with other works to produce a work based
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on this file, this file does not by itself cause the resulting
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work to be covered by the GNU General Public License. However
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the source code for this file must still be made available in
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accordance with section (3) of the GNU General Public License.
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This exception does not invalidate any other reasons why a work
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based on this file might be covered by the GNU General Public
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License.
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-------------------------------------------
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####COPYRIGHTEND####*/
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/** @file device.h Defines functions for handling all BACnet objects belonging
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* to a BACnet device, as well as Device-specific properties. */
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#ifndef DEVICE_H
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#define DEVICE_H
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#include <stdbool.h>
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#include <stdint.h>
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#include "bacdef.h"
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#include "bacenum.h"
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#include "wp.h"
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#include "rd.h"
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#include "rp.h"
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#include "rpm.h"
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#include "readrange.h"
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/** Called so a BACnet object can perform any necessary initialization.
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* @ingroup ObjHelpers
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*/
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typedef void (
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*object_init_function) (
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void);
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/** Counts the number of objects of this type.
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* @ingroup ObjHelpers
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* @return Count of implemented objects of this type.
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*/
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typedef unsigned (
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*object_count_function) (
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void);
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/** Maps an object index position to its corresponding BACnet object instance number.
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* @ingroup ObjHelpers
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* @param index [in] The index of the object, in the array of objects of its type.
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* @return The BACnet object instance number to be used in a BACNET_OBJECT_ID.
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*/
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typedef uint32_t(
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*object_index_to_instance_function)
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(
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unsigned index);
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/** Provides the BACnet Object_Name for a given object instance of this type.
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* @ingroup ObjHelpers
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* @param [in] The object instance number to be looked up.
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* @return Pointer to a string containing the unique Object_Name. This string
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* is temporary and should be copied upon the return. It is
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* allocated by the system and does not need to be freed.
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*/
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typedef char *(
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*object_name_function)
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(
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uint32_t object_instance);
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/** Look in the table of objects of this type, and see if this is a valid
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* instance number.
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* @ingroup ObjHelpers
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* @param [in] The object instance number to be looked up.
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* @return True if the object instance refers to a valid object of this type.
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*/
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typedef bool(
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*object_valid_instance_function) (
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uint32_t object_instance);
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/** Helper function to step through an array of objects and find either the
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* first one or the next one of a given type. Used to step through an array
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* of objects which is not necessarily contiguious for each type i.e. the
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* index for the 'n'th object of a given type is not necessarily 'n'.
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* @ingroup ObjHelpers
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* @param [in] The index of the current object or a value of ~0 to indicate
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* start at the beginning.
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* @return The index of the next object of the required type or ~0 (all bits
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* == 1) to indicate no more objects found.
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*/
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typedef unsigned (
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*object_iterate_function) (
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unsigned current_index);
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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void Device_Init(
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void);
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bool Device_Reinitialize(
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BACNET_REINITIALIZE_DEVICE_DATA * rd_data);
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BACNET_REINITIALIZED_STATE Device_Reinitialized_State(
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void);
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rr_info_function Device_Objects_RR_Info(
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BACNET_OBJECT_TYPE object_type);
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void Device_Property_Lists(
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const int **pRequired,
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const int **pOptional,
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const int **pProprietary);
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void Device_Objects_Property_List(
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BACNET_OBJECT_TYPE object_type,
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struct special_property_list_t *pPropertyList);
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uint32_t Device_Object_Instance_Number(
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void);
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bool Device_Set_Object_Instance_Number(
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uint32_t object_id);
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bool Device_Valid_Object_Instance_Number(
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uint32_t object_id);
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unsigned Device_Object_List_Count(
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void);
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bool Device_Object_List_Identifier(
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unsigned array_index,
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int *object_type,
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uint32_t * instance);
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unsigned Device_Count(
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void);
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uint32_t Device_Index_To_Instance(
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unsigned index);
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char *Device_Name(
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uint32_t object_instance);
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BACNET_DEVICE_STATUS Device_System_Status(
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void);
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int Device_Set_System_Status(
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BACNET_DEVICE_STATUS status,
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bool local);
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const char *Device_Vendor_Name(
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void);
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uint16_t Device_Vendor_Identifier(
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void);
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const char *Device_Model_Name(
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void);
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bool Device_Set_Model_Name(
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const char *name,
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size_t length);
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const char *Device_Firmware_Revision(
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void);
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const char *Device_Application_Software_Version(
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void);
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bool Device_Set_Application_Software_Version(
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const char *name,
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size_t length);
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bool Device_Set_Object_Name(
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const char *name,
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size_t length);
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const char *Device_Object_Name(
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void);
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const char *Device_Description(
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void);
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bool Device_Set_Description(
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const char *name,
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size_t length);
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const char *Device_Location(
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void);
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bool Device_Set_Location(
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const char *name,
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size_t length);
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/* some stack-centric constant values - no set methods */
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uint8_t Device_Protocol_Version(
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void);
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uint8_t Device_Protocol_Revision(
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void);
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BACNET_SEGMENTATION Device_Segmentation_Supported(
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void);
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uint32_t Device_Database_Revision(
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void);
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void Device_Set_Database_Revision(
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uint32_t revision);
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void Device_Inc_Database_Revision(
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void);
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bool Device_Valid_Object_Name(
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const char *object_name,
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int *object_type,
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uint32_t * object_instance);
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char *Device_Valid_Object_Id(
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int object_type,
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uint32_t object_instance);
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int Device_Read_Property(
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BACNET_READ_PROPERTY_DATA * rpdata);
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bool Device_Write_Property(
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BACNET_WRITE_PROPERTY_DATA * wp_data);
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bool DeviceGetRRInfo(
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BACNET_READ_RANGE_DATA * pRequest, /* Info on the request */
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RR_PROP_INFO * pInfo); /* Where to put the information */
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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/** @defgroup ObjFrmwk Object Framework
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* The modules in this section describe the BACnet-stack's framework for
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* BACnet-defined Objects (Device, Analog Input, etc). There are two submodules
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* to describe this arrangement:
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* - The "object helper functions" which provide C++-like common functionality
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* to all supported object types.
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* - The interface between the implemented Objects and the BAC-stack services,
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* specifically the handlers, which are mediated through function calls to
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* the Device object.
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*//** @defgroup ObjHelpers Object Helper Functions
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* @ingroup ObjFrmwk
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* This section describes the function templates for the helper functions that
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* provide common object support.
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*//** @defgroup ObjIntf Handler-to-Object Interface Functions
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* @ingroup ObjFrmwk
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* This section describes the fairly limited set of functions that link the
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* BAC-stack handlers to the BACnet Object instances. All of these calls are
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* situated in the Device Object, which "knows" how to reach its child Objects.
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*
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* Most of these calls have a common operation:
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* -# Call Device_Objects_Find_Functions( for the desired Object_Type )
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* - Gets a pointer to the object_functions for this Type of Object.
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* -# Call the Object's Object_Valid_Instance( for the desired object_instance )
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* to make sure there is such an instance.
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* -# Call the Object helper function needed by the handler,
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* eg Object_Read_Property() for the RP handler.
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*
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*/
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#endif
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