844 lines
25 KiB
C
844 lines
25 KiB
C
/**
|
|
* @file
|
|
* @author Steve Karg <skarg@users.sourceforge.net>
|
|
* @author Mikhail Antropov <michail.antropov@dsr-corporation.com>
|
|
* @date June 2023
|
|
* @brief Time Value object is an object with a present-value that
|
|
* uses an bacnet time data type.
|
|
* @copyright SPDX-License-Identifier: MIT
|
|
*/
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
/* BACnet Stack defines - first */
|
|
#include "bacnet/bacdef.h"
|
|
/* BACnet Stack API */
|
|
#include "bacnet/bacdcode.h"
|
|
#include "bacnet/bacerror.h"
|
|
#include "bacnet/bacapp.h"
|
|
#include "bacnet/bactext.h"
|
|
#include "bacnet/cov.h"
|
|
#include "bacnet/apdu.h"
|
|
#include "bacnet/npdu.h"
|
|
#include "bacnet/abort.h"
|
|
#include "bacnet/datetime.h"
|
|
#include "bacnet/proplist.h"
|
|
#include "bacnet/reject.h"
|
|
#include "bacnet/rp.h"
|
|
#include "bacnet/wp.h"
|
|
#include "bacnet/basic/services.h"
|
|
#include "bacnet/basic/sys/keylist.h"
|
|
/* me! */
|
|
#include "time_value.h"
|
|
|
|
struct object_data {
|
|
bool Change_Of_Value : 1;
|
|
bool Write_Enabled : 1;
|
|
bool Out_Of_Service : 1;
|
|
BACNET_TIME Present_Value;
|
|
const char *Object_Name;
|
|
const char *Description;
|
|
};
|
|
|
|
/* Key List for storing the object data sorted by instance number */
|
|
static OS_Keylist Object_List;
|
|
/* callback for present value writes */
|
|
static time_value_write_present_value_callback
|
|
Time_Value_Write_Present_Value_Callback;
|
|
|
|
/* These three arrays are used by the ReadPropertyMultiple handler */
|
|
static const int Time_Value_Properties_Required[] = {
|
|
PROP_OBJECT_IDENTIFIER, PROP_OBJECT_NAME, PROP_OBJECT_TYPE,
|
|
PROP_PRESENT_VALUE, PROP_STATUS_FLAGS, -1
|
|
};
|
|
|
|
static const int Time_Value_Properties_Optional[] = { PROP_DESCRIPTION,
|
|
PROP_EVENT_STATE,
|
|
PROP_OUT_OF_SERVICE, -1 };
|
|
|
|
static const int Time_Value_Properties_Proprietary[] = { -1 };
|
|
|
|
/* standard properties that are arrays for this object,
|
|
but not necessary supported in this object */
|
|
static const int BACnetARRAY_Properties[] = { PROP_PRIORITY_ARRAY,
|
|
PROP_EVENT_TIME_STAMPS,
|
|
PROP_EVENT_MESSAGE_TEXTS,
|
|
PROP_EVENT_MESSAGE_TEXTS_CONFIG,
|
|
PROP_VALUE_SOURCE_ARRAY,
|
|
PROP_COMMAND_TIME_ARRAY,
|
|
PROP_TAGS,
|
|
-1 };
|
|
|
|
/**
|
|
* Returns the list of required, optional, and proprietary properties.
|
|
* Used by ReadPropertyMultiple service.
|
|
*
|
|
* @param pRequired - pointer to list of int terminated by -1, of
|
|
* BACnet required properties for this object.
|
|
* @param pOptional - pointer to list of int terminated by -1, of
|
|
* BACnet optkional properties for this object.
|
|
* @param pProprietary - pointer to list of int terminated by -1, of
|
|
* BACnet proprietary properties for this object.
|
|
*/
|
|
void Time_Value_Property_Lists(
|
|
const int **pRequired, const int **pOptional, const int **pProprietary)
|
|
{
|
|
if (pRequired) {
|
|
*pRequired = Time_Value_Properties_Required;
|
|
}
|
|
if (pOptional) {
|
|
*pOptional = Time_Value_Properties_Optional;
|
|
}
|
|
if (pProprietary) {
|
|
*pProprietary = Time_Value_Properties_Proprietary;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* Determines if a given Time Value instance is valid
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
*
|
|
* @return true if the instance is valid, and false if not
|
|
*/
|
|
bool Time_Value_Valid_Instance(uint32_t object_instance)
|
|
{
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Determines the number of Time Value objects
|
|
*
|
|
* @return Number of Time Value objects
|
|
*/
|
|
unsigned Time_Value_Count(void)
|
|
{
|
|
return Keylist_Count(Object_List);
|
|
}
|
|
|
|
/**
|
|
* Determines the object instance-number for a given 0..N index
|
|
* of Time Value objects where N is Time_Value_Count().
|
|
*
|
|
* @param index - 0..N where N is Time_Value_Count()
|
|
*
|
|
* @return object instance-number for the given index
|
|
*/
|
|
uint32_t Time_Value_Index_To_Instance(unsigned index)
|
|
{
|
|
KEY key = UINT32_MAX;
|
|
|
|
Keylist_Index_Key(Object_List, index, &key);
|
|
|
|
return key;
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, determines a 0..N index
|
|
* of Time Value objects where N is Time_Value_Count().
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
*
|
|
* @return index for the given instance-number, or Time_Value_Count()
|
|
* if not valid.
|
|
*/
|
|
unsigned Time_Value_Instance_To_Index(uint32_t object_instance)
|
|
{
|
|
return Keylist_Index(Object_List, object_instance);
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, determines the present-value
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
*
|
|
* @return present-value of the object
|
|
*/
|
|
bool Time_Value_Present_Value(uint32_t object_instance, BACNET_TIME *value)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
datetime_copy_time(value, &pObject->Present_Value);
|
|
status = true;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, checks the present-value for COV
|
|
* @param pObject - specific object with valid data
|
|
* @param value - floating point analog value
|
|
*/
|
|
static void Time_Value_Present_Value_COV_Detect(
|
|
struct object_data *pObject, const BACNET_TIME *value)
|
|
{
|
|
if (pObject && value) {
|
|
if (datetime_compare_time(&pObject->Present_Value, value) != 0) {
|
|
pObject->Change_Of_Value = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, sets the present-value
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
* @param value - indicator of 'present value'
|
|
*
|
|
* @return true if values are within range and present-value is set.
|
|
*/
|
|
bool Time_Value_Present_Value_Set(
|
|
uint32_t object_instance, const BACNET_TIME *value)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
if (!pObject->Out_Of_Service) {
|
|
if (value) {
|
|
Time_Value_Present_Value_COV_Detect(pObject, value);
|
|
datetime_copy_time(&pObject->Present_Value, value);
|
|
status = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, sets the present-value
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
* @param value - Bacnet time data object
|
|
* @param priority - priority-array index value 1..16
|
|
* @param error_class - the BACnet error class
|
|
* @param error_code - BACnet Error code
|
|
*
|
|
* @return true if values are within range and present-value is set.
|
|
*/
|
|
static bool Time_Value_Present_Value_Write(
|
|
uint32_t object_instance,
|
|
BACNET_TIME *value,
|
|
uint8_t priority,
|
|
BACNET_ERROR_CLASS *error_class,
|
|
BACNET_ERROR_CODE *error_code)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject;
|
|
BACNET_TIME old_value = { 0 };
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
(void)priority;
|
|
if (pObject->Write_Enabled) {
|
|
datetime_copy_time(&old_value, &pObject->Present_Value);
|
|
Time_Value_Present_Value_COV_Detect(pObject, value);
|
|
datetime_copy_time(&pObject->Present_Value, value);
|
|
if (Time_Value_Write_Present_Value_Callback) {
|
|
Time_Value_Write_Present_Value_Callback(
|
|
object_instance, &old_value, value);
|
|
}
|
|
status = true;
|
|
} else {
|
|
*error_class = ERROR_CLASS_PROPERTY;
|
|
*error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
|
|
}
|
|
} else {
|
|
*error_class = ERROR_CLASS_OBJECT;
|
|
*error_code = ERROR_CODE_UNKNOWN_OBJECT;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, returns the Out-of-service value
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
*
|
|
* @return Out-of-service value of the object
|
|
*/
|
|
bool Time_Value_Out_Of_Service(uint32_t object_instance)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
status = pObject->Out_Of_Service;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, sets the Out-of-service value
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
* @param value - indicator of 'Out-of-service'
|
|
*
|
|
* @return true if Out-of-service value is set.
|
|
*/
|
|
bool Time_Value_Out_Of_Service_Set(uint32_t object_instance, bool value)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
pObject->Out_Of_Service = value;
|
|
status = true;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, loads the object-name into
|
|
* a characterstring. Note that the object name must be unique
|
|
* within this device.
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
* @param object_name - holds the object-name retrieved
|
|
*
|
|
* @return true if object-name was retrieved
|
|
*/
|
|
bool Time_Value_Object_Name(
|
|
uint32_t object_instance, BACNET_CHARACTER_STRING *object_name)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject;
|
|
char name_text[16] = "Time-4194303";
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
if (pObject->Object_Name) {
|
|
status =
|
|
characterstring_init_ansi(object_name, pObject->Object_Name);
|
|
} else {
|
|
snprintf(name_text, sizeof(name_text), "Time-%u", object_instance);
|
|
status = characterstring_init_ansi(object_name, name_text);
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, sets the object-name
|
|
* Note that the object name must be unique within this device.
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
* @param new_name - holds the object-name to be set
|
|
*
|
|
* @return true if object-name was set
|
|
*/
|
|
bool Time_Value_Name_Set(uint32_t object_instance, const char *new_name)
|
|
{
|
|
bool status = false; /* return value */
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
status = true;
|
|
pObject->Object_Name = new_name;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Return the object name C string
|
|
* @param object_instance [in] BACnet object instance number
|
|
* @return object name or NULL if not found
|
|
*/
|
|
const char *Time_Value_Name_ASCII(uint32_t object_instance)
|
|
{
|
|
const char *name = NULL;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
name = pObject->Object_Name;
|
|
}
|
|
|
|
return name;
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, returns the description
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
*
|
|
* @return description text or NULL if not found
|
|
*/
|
|
const char *Time_Value_Description(uint32_t object_instance)
|
|
{
|
|
const char *name = NULL;
|
|
const struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
if (pObject->Description) {
|
|
name = pObject->Description;
|
|
} else {
|
|
name = "";
|
|
}
|
|
}
|
|
|
|
return name;
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, sets the description
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
* @param new_name - holds the description to be set
|
|
*
|
|
* @return true if object-name was set
|
|
*/
|
|
bool Time_Value_Description_Set(uint32_t object_instance, const char *new_name)
|
|
{
|
|
bool status = false; /* return value */
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
status = true;
|
|
pObject->Description = new_name;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Determine if the object property is a BACnetARRAY property
|
|
* @param object_property - object-property to be checked
|
|
* @return true if the property is a BACnetARRAY property
|
|
*/
|
|
static bool BACnetARRAY_Property(int object_property)
|
|
{
|
|
return property_list_member(BACnetARRAY_Properties, object_property);
|
|
}
|
|
|
|
bool Time_Value_Change_Of_Value(uint32_t object_instance)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
status = pObject->Change_Of_Value;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
void Time_Value_Change_Of_Value_Clear(uint32_t object_instance)
|
|
{
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
pObject->Change_Of_Value = false;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, loads the value_list with the COV data.
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
* @param value_list - list of COV data
|
|
*
|
|
* @return true if the value list is encoded
|
|
*/
|
|
bool Time_Value_Encode_Value_List(
|
|
uint32_t object_instance, BACNET_PROPERTY_VALUE *value_list)
|
|
{
|
|
bool status = false;
|
|
BACNET_TIME btime = { 0 };
|
|
|
|
if (value_list) {
|
|
value_list->propertyIdentifier = PROP_PRESENT_VALUE;
|
|
value_list->propertyArrayIndex = BACNET_ARRAY_ALL;
|
|
value_list->value.context_specific = false;
|
|
value_list->value.tag = BACNET_APPLICATION_TAG_ENUMERATED;
|
|
value_list->value.next = NULL;
|
|
Time_Value_Present_Value(object_instance, &btime);
|
|
datetime_copy_time(&value_list->value.type.Time, &btime);
|
|
value_list->priority = BACNET_NO_PRIORITY;
|
|
value_list = value_list->next;
|
|
}
|
|
if (value_list) {
|
|
value_list->propertyIdentifier = PROP_STATUS_FLAGS;
|
|
value_list->propertyArrayIndex = BACNET_ARRAY_ALL;
|
|
value_list->value.context_specific = false;
|
|
value_list->value.tag = BACNET_APPLICATION_TAG_BIT_STRING;
|
|
value_list->value.next = NULL;
|
|
bitstring_init(&value_list->value.type.Bit_String);
|
|
bitstring_set_bit(
|
|
&value_list->value.type.Bit_String, STATUS_FLAG_IN_ALARM, false);
|
|
bitstring_set_bit(
|
|
&value_list->value.type.Bit_String, STATUS_FLAG_FAULT, false);
|
|
bitstring_set_bit(
|
|
&value_list->value.type.Bit_String, STATUS_FLAG_OVERRIDDEN, false);
|
|
if (Time_Value_Out_Of_Service(object_instance)) {
|
|
bitstring_set_bit(
|
|
&value_list->value.type.Bit_String, STATUS_FLAG_OUT_OF_SERVICE,
|
|
true);
|
|
} else {
|
|
bitstring_set_bit(
|
|
&value_list->value.type.Bit_String, STATUS_FLAG_OUT_OF_SERVICE,
|
|
false);
|
|
}
|
|
value_list->priority = BACNET_NO_PRIORITY;
|
|
value_list->next = NULL;
|
|
status = true;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* ReadProperty handler for this object. For the given ReadProperty
|
|
* data, the application_data is loaded or the error flags are set.
|
|
*
|
|
* @param rpdata - BACNET_READ_PROPERTY_DATA data, including
|
|
* requested data and space for the reply, or error response.
|
|
*
|
|
* @return number of APDU bytes in the response, or
|
|
* BACNET_STATUS_ERROR on error.
|
|
*/
|
|
int Time_Value_Read_Property(BACNET_READ_PROPERTY_DATA *rpdata)
|
|
{
|
|
int apdu_len = 0; /* return value */
|
|
BACNET_BIT_STRING bit_string;
|
|
BACNET_CHARACTER_STRING char_string;
|
|
uint8_t *apdu = NULL;
|
|
BACNET_TIME value;
|
|
|
|
if ((rpdata == NULL) || (rpdata->application_data == NULL) ||
|
|
(rpdata->application_data_len == 0)) {
|
|
return 0;
|
|
}
|
|
|
|
apdu = rpdata->application_data;
|
|
switch (rpdata->object_property) {
|
|
case PROP_OBJECT_IDENTIFIER:
|
|
apdu_len = encode_application_object_id(
|
|
&apdu[0], rpdata->object_type, rpdata->object_instance);
|
|
break;
|
|
case PROP_OBJECT_NAME:
|
|
Time_Value_Object_Name(rpdata->object_instance, &char_string);
|
|
apdu_len =
|
|
encode_application_character_string(&apdu[0], &char_string);
|
|
break;
|
|
case PROP_OBJECT_TYPE:
|
|
apdu_len =
|
|
encode_application_enumerated(&apdu[0], rpdata->object_type);
|
|
break;
|
|
case PROP_PRESENT_VALUE:
|
|
if (Time_Value_Present_Value(rpdata->object_instance, &value)) {
|
|
apdu_len = encode_application_time(apdu, &value);
|
|
}
|
|
break;
|
|
|
|
case PROP_STATUS_FLAGS:
|
|
bitstring_init(&bit_string);
|
|
bitstring_set_bit(&bit_string, STATUS_FLAG_IN_ALARM, false);
|
|
bitstring_set_bit(&bit_string, STATUS_FLAG_FAULT, false);
|
|
bitstring_set_bit(&bit_string, STATUS_FLAG_OVERRIDDEN, false);
|
|
bitstring_set_bit(
|
|
&bit_string, STATUS_FLAG_OUT_OF_SERVICE,
|
|
Time_Value_Out_Of_Service(rpdata->object_instance));
|
|
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
|
|
break;
|
|
case PROP_OUT_OF_SERVICE:
|
|
apdu_len = encode_application_boolean(
|
|
&apdu[0], Time_Value_Out_Of_Service(rpdata->object_instance));
|
|
break;
|
|
case PROP_DESCRIPTION:
|
|
characterstring_init_ansi(
|
|
&char_string, Time_Value_Description(rpdata->object_instance));
|
|
apdu_len = encode_application_character_string(apdu, &char_string);
|
|
break;
|
|
case PROP_EVENT_STATE:
|
|
apdu_len =
|
|
encode_application_enumerated(&apdu[0], EVENT_STATE_NORMAL);
|
|
break;
|
|
default:
|
|
rpdata->error_class = ERROR_CLASS_PROPERTY;
|
|
rpdata->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
|
|
apdu_len = BACNET_STATUS_ERROR;
|
|
break;
|
|
}
|
|
/* only array properties can have array options */
|
|
if ((apdu_len >= 0) && (!BACnetARRAY_Property(rpdata->object_property)) &&
|
|
(rpdata->array_index != BACNET_ARRAY_ALL)) {
|
|
rpdata->error_class = ERROR_CLASS_PROPERTY;
|
|
rpdata->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
|
|
apdu_len = BACNET_STATUS_ERROR;
|
|
}
|
|
|
|
return apdu_len;
|
|
}
|
|
|
|
/**
|
|
* WriteProperty handler for this object. For the given WriteProperty
|
|
* data, the application_data is loaded or the error flags are set.
|
|
*
|
|
* @param wp_data - BACNET_WRITE_PROPERTY_DATA data, including
|
|
* requested data and space for the reply, or error response.
|
|
*
|
|
* @return false if an error is loaded, true if no errors
|
|
*/
|
|
bool Time_Value_Write_Property(BACNET_WRITE_PROPERTY_DATA *wp_data)
|
|
{
|
|
bool status = false; /* return value */
|
|
BACNET_APPLICATION_DATA_VALUE value = { 0 };
|
|
int len = 0;
|
|
|
|
/* decode the some of the request */
|
|
len = bacapp_decode_application_data(
|
|
wp_data->application_data, wp_data->application_data_len, &value);
|
|
/* FIXME: len < application_data_len: more data? */
|
|
if (len < 0) {
|
|
/* error while decoding - a value larger than we can handle */
|
|
wp_data->error_class = ERROR_CLASS_PROPERTY;
|
|
wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
|
|
return false;
|
|
}
|
|
if ((!BACnetARRAY_Property(wp_data->object_property)) &&
|
|
(wp_data->array_index != BACNET_ARRAY_ALL)) {
|
|
/* only array properties can have array options */
|
|
wp_data->error_class = ERROR_CLASS_PROPERTY;
|
|
wp_data->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
|
|
return false;
|
|
}
|
|
switch (wp_data->object_property) {
|
|
case PROP_PRESENT_VALUE:
|
|
if (Time_Value_Out_Of_Service(wp_data->object_instance)) {
|
|
status = write_property_type_valid(
|
|
wp_data, &value, BACNET_APPLICATION_TAG_TIME);
|
|
if (status) {
|
|
status = Time_Value_Present_Value_Write(
|
|
wp_data->object_instance, &value.type.Time,
|
|
wp_data->priority, &wp_data->error_class,
|
|
&wp_data->error_code);
|
|
}
|
|
} else {
|
|
wp_data->error_class = ERROR_CLASS_PROPERTY;
|
|
wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
|
|
}
|
|
break;
|
|
case PROP_OUT_OF_SERVICE:
|
|
status = write_property_type_valid(
|
|
wp_data, &value, BACNET_APPLICATION_TAG_BOOLEAN);
|
|
if (status) {
|
|
Time_Value_Out_Of_Service_Set(
|
|
wp_data->object_instance, value.type.Boolean);
|
|
}
|
|
break;
|
|
default:
|
|
if (property_lists_member(
|
|
Time_Value_Properties_Required,
|
|
Time_Value_Properties_Optional,
|
|
Time_Value_Properties_Proprietary,
|
|
wp_data->object_property)) {
|
|
wp_data->error_class = ERROR_CLASS_PROPERTY;
|
|
wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
|
|
} else {
|
|
wp_data->error_class = ERROR_CLASS_PROPERTY;
|
|
wp_data->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Sets a callback used when present-value is written from BACnet
|
|
* @param cb - callback used to provide indications
|
|
*/
|
|
void Time_Value_Write_Present_Value_Callback_Set(
|
|
time_value_write_present_value_callback cb)
|
|
{
|
|
Time_Value_Write_Present_Value_Callback = cb;
|
|
}
|
|
|
|
/**
|
|
* @brief Determines the status flags for a given object instance-number
|
|
* @param object_instance - object-instance number of the object
|
|
* @return status flags bitstring octet
|
|
*/
|
|
uint8_t Time_Value_Status_Flags(uint32_t object_instance)
|
|
{
|
|
BACNET_BIT_STRING bit_string;
|
|
|
|
bitstring_init(&bit_string);
|
|
bitstring_set_bit(&bit_string, STATUS_FLAG_IN_ALARM, false);
|
|
bitstring_set_bit(&bit_string, STATUS_FLAG_FAULT, false);
|
|
bitstring_set_bit(&bit_string, STATUS_FLAG_OVERRIDDEN, false);
|
|
bitstring_set_bit(
|
|
&bit_string, STATUS_FLAG_OUT_OF_SERVICE,
|
|
Time_Value_Out_Of_Service(object_instance));
|
|
|
|
return bitstring_octet(&bit_string, 0);
|
|
}
|
|
|
|
/**
|
|
* @brief Determines a object write-enabled flag state
|
|
* @param object_instance - object-instance number of the object
|
|
* @return write-enabled status flag
|
|
*/
|
|
bool Time_Value_Write_Enabled(uint32_t object_instance)
|
|
{
|
|
bool value = false;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
value = pObject->Write_Enabled;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, sets the write-enabled flag
|
|
* @param object_instance - object-instance number of the object
|
|
*/
|
|
void Time_Value_Write_Enable(uint32_t object_instance)
|
|
{
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
pObject->Write_Enabled = true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, clears the write-enabled flag
|
|
* @param object_instance - object-instance number of the object
|
|
*/
|
|
void Time_Value_Write_Disable(uint32_t object_instance)
|
|
{
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
pObject->Write_Enabled = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates a Time Value object
|
|
* @param object_instance - object-instance number of the object
|
|
* @return object_instance if the object is created, else BACNET_MAX_INSTANCE
|
|
*/
|
|
uint32_t Time_Value_Create(uint32_t object_instance)
|
|
{
|
|
struct object_data *pObject = NULL;
|
|
int index = 0;
|
|
|
|
if (object_instance > BACNET_MAX_INSTANCE) {
|
|
return BACNET_MAX_INSTANCE;
|
|
} else if (object_instance == BACNET_MAX_INSTANCE) {
|
|
/* wildcard instance */
|
|
/* the Object_Identifier property of the newly created object
|
|
shall be initialized to a value that is unique within the
|
|
responding BACnet-user device. The method used to generate
|
|
the object identifier is a local matter.*/
|
|
object_instance = Keylist_Next_Empty_Key(Object_List, 1);
|
|
}
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (!pObject) {
|
|
pObject = calloc(1, sizeof(struct object_data));
|
|
if (!pObject) {
|
|
return BACNET_MAX_INSTANCE;
|
|
}
|
|
pObject->Object_Name = NULL;
|
|
pObject->Description = NULL;
|
|
datetime_set_time(&pObject->Present_Value, 0, 0, 0, 0);
|
|
pObject->Change_Of_Value = false;
|
|
pObject->Write_Enabled = false;
|
|
/* add to list */
|
|
index = Keylist_Data_Add(Object_List, object_instance, pObject);
|
|
if (index < 0) {
|
|
free(pObject);
|
|
return BACNET_MAX_INSTANCE;
|
|
}
|
|
}
|
|
|
|
return object_instance;
|
|
}
|
|
|
|
/**
|
|
* Deletes an Time Value object
|
|
* @param object_instance - object-instance number of the object
|
|
* @return true if the object is deleted
|
|
*/
|
|
bool Time_Value_Delete(uint32_t object_instance)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject = NULL;
|
|
|
|
pObject = Keylist_Data_Delete(Object_List, object_instance);
|
|
if (pObject) {
|
|
free(pObject);
|
|
status = true;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* Deletes all the Time Values and their data
|
|
*/
|
|
void Time_Value_Cleanup(void)
|
|
{
|
|
struct object_data *pObject;
|
|
|
|
if (Object_List) {
|
|
do {
|
|
pObject = Keylist_Data_Pop(Object_List);
|
|
if (pObject) {
|
|
free(pObject);
|
|
}
|
|
} while (pObject);
|
|
Keylist_Delete(Object_List);
|
|
Object_List = NULL;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Initializes the Time Value object data
|
|
*/
|
|
void Time_Value_Init(void)
|
|
{
|
|
if (!Object_List) {
|
|
Object_List = Keylist_Create();
|
|
}
|
|
}
|