mirror of
https://github.com/stargieg/bacnet-stack
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249 lines
7.5 KiB
C
249 lines
7.5 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2012 Steve Karg <skarg@users.sourceforge.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*********************************************************************/
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#ifndef BACAPP_H
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#define BACAPP_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include "bacdef.h"
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#include "bacstr.h"
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#include "datetime.h"
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#if defined (BACAPP_LIGHTING_COMMAND)
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#include "lighting.h"
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#endif
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#if defined (BACAPP_DEVICE_OBJECT_PROP_REF)
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#include "bacdevobjpropref.h"
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#endif
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struct BACnet_Application_Data_Value;
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typedef struct BACnet_Application_Data_Value {
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bool context_specific; /* true if context specific data */
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uint8_t context_tag; /* only used for context specific data */
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uint8_t tag; /* application tag data type */
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union {
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/* NULL - not needed as it is encoded in the tag alone */
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#if defined (BACAPP_BOOLEAN)
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bool Boolean;
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#endif
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#if defined (BACAPP_UNSIGNED)
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uint32_t Unsigned_Int;
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#endif
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#if defined (BACAPP_SIGNED)
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int32_t Signed_Int;
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#endif
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#if defined (BACAPP_REAL)
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float Real;
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#endif
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#if defined (BACAPP_DOUBLE)
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double Double;
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#endif
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#if defined (BACAPP_OCTET_STRING)
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BACNET_OCTET_STRING Octet_String;
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#endif
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#if defined (BACAPP_CHARACTER_STRING)
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BACNET_CHARACTER_STRING Character_String;
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#endif
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#if defined (BACAPP_BIT_STRING)
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BACNET_BIT_STRING Bit_String;
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#endif
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#if defined (BACAPP_ENUMERATED)
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uint32_t Enumerated;
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#endif
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#if defined (BACAPP_DATE)
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BACNET_DATE Date;
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#endif
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#if defined (BACAPP_TIME)
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BACNET_TIME Time;
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#endif
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#if defined (BACAPP_OBJECT_ID)
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BACNET_OBJECT_ID Object_Id;
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#endif
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#if defined (BACAPP_LIGHTING_COMMAND)
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BACNET_LIGHTING_COMMAND Lighting_Command;
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#endif
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#if defined (BACAPP_DEVICE_OBJECT_PROP_REF)
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BACNET_DEVICE_OBJECT_PROPERTY_REFERENCE
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Device_Object_Property_Reference;
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#endif
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} type;
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/* simple linked list if needed */
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struct BACnet_Application_Data_Value *next;
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} BACNET_APPLICATION_DATA_VALUE;
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struct BACnet_Access_Error;
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typedef struct BACnet_Access_Error {
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BACNET_ERROR_CLASS error_class;
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BACNET_ERROR_CODE error_code;
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} BACNET_ACCESS_ERROR;
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struct BACnet_Property_Reference;
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typedef struct BACnet_Property_Reference {
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BACNET_PROPERTY_ID propertyIdentifier;
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uint32_t propertyArrayIndex; /* optional */
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/* either value or error, but not both.
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Use NULL value to indicate error */
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BACNET_APPLICATION_DATA_VALUE *value;
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BACNET_ACCESS_ERROR error;
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/* simple linked list */
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struct BACnet_Property_Reference *next;
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} BACNET_PROPERTY_REFERENCE;
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struct BACnet_Property_Value;
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typedef struct BACnet_Property_Value {
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BACNET_PROPERTY_ID propertyIdentifier;
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uint32_t propertyArrayIndex;
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BACNET_APPLICATION_DATA_VALUE value;
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uint8_t priority;
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/* simple linked list */
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struct BACnet_Property_Value *next;
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} BACNET_PROPERTY_VALUE;
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/* used for printing values */
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struct BACnet_Object_Property_Value;
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typedef struct BACnet_Object_Property_Value {
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BACNET_OBJECT_TYPE object_type;
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uint32_t object_instance;
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BACNET_PROPERTY_ID object_property;
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uint32_t array_index;
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BACNET_APPLICATION_DATA_VALUE *value;
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} BACNET_OBJECT_PROPERTY_VALUE;
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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int bacapp_encode_data(
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uint8_t * apdu,
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BACNET_APPLICATION_DATA_VALUE * value);
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int bacapp_decode_data(
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uint8_t * apdu,
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uint8_t tag_data_type,
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uint32_t len_value_type,
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BACNET_APPLICATION_DATA_VALUE * value);
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int bacapp_decode_application_data(
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uint8_t * apdu,
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unsigned max_apdu_len,
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BACNET_APPLICATION_DATA_VALUE * value);
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bool bacapp_decode_application_data_safe(
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uint8_t * new_apdu,
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uint32_t new_apdu_len,
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BACNET_APPLICATION_DATA_VALUE * value);
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int bacapp_encode_application_data(
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uint8_t * apdu,
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BACNET_APPLICATION_DATA_VALUE * value);
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int bacapp_decode_context_data(
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uint8_t * apdu,
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unsigned max_apdu_len,
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BACNET_APPLICATION_DATA_VALUE * value,
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BACNET_PROPERTY_ID property);
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int bacapp_encode_context_data(
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uint8_t * apdu,
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BACNET_APPLICATION_DATA_VALUE * value,
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BACNET_PROPERTY_ID property);
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int bacapp_encode_context_data_value(
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uint8_t * apdu,
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uint8_t context_tag_number,
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BACNET_APPLICATION_DATA_VALUE * value);
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BACNET_APPLICATION_TAG bacapp_context_tag_type(
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BACNET_PROPERTY_ID property,
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uint8_t tag_number);
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bool bacapp_copy(
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BACNET_APPLICATION_DATA_VALUE * dest_value,
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BACNET_APPLICATION_DATA_VALUE * src_value);
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/* returns the length of data between an opening tag and a closing tag.
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Expects that the first octet contain the opening tag.
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Include a value property identifier for context specific data
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such as the value received in a WriteProperty request */
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int bacapp_data_len(
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uint8_t * apdu,
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unsigned max_apdu_len,
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BACNET_PROPERTY_ID property);
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int bacapp_decode_data_len(
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uint8_t * apdu,
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uint8_t tag_data_type,
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uint32_t len_value_type);
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int bacapp_decode_application_data_len(
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uint8_t * apdu,
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unsigned max_apdu_len);
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int bacapp_decode_context_data_len(
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uint8_t * apdu,
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unsigned max_apdu_len,
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BACNET_PROPERTY_ID property);
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#ifndef BACAPP_PRINT_ENABLED
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#if PRINT_ENABLED || defined TEST
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#define BACAPP_PRINT_ENABLED
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#define BACAPP_SNPRINTF_ENABLED
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#endif
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#endif
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#ifdef BACAPP_SNPRINTF_ENABLED
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int bacapp_snprintf_value(
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char *str,
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size_t str_len,
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BACNET_OBJECT_PROPERTY_VALUE * object_value);
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#endif
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#ifdef BACAPP_PRINT_ENABLED
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bool bacapp_parse_application_data(
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BACNET_APPLICATION_TAG tag_number,
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const char *argv,
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BACNET_APPLICATION_DATA_VALUE * value);
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bool bacapp_print_value(
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FILE * stream,
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BACNET_OBJECT_PROPERTY_VALUE * value);
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#else
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/* Provide harmless return values */
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#define bacapp_parse_application_data(x,y,z) false
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#define bacapp_print_value(x,y) false
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#endif
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#ifdef TEST
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#include "ctest.h"
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#include "datetime.h"
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bool bacapp_same_value(
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BACNET_APPLICATION_DATA_VALUE * value,
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BACNET_APPLICATION_DATA_VALUE * test_value);
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void testBACnetApplicationDataLength(
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Test * pTest);
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void testBACnetApplicationData(
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Test * pTest);
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#endif
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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