Kari Argillander
a2f1d6959d
* Make most of the functions const correct
Used clang-tidy and sonarlint to help find places where const could
pretty easily applied. Also lot of hand work.
This commit does not yet touch handlers and typedefs of those.
* Fix Arduino uno handler_who_is() has extra parenthesis
For some reason there is extra parenthesis. Remove it this is more
likely buildable.
* Bugfix/bacapp: Fix uninitilized array_index
We have changed bacapp_snprintf_value() to be const correct. After that
we got
```
/home/runner/work/bacnet-stack/bacnet-stack/src/bacnet/bacapp.c:3183:27: warning: 4th function call argument is an uninitialized value [core.CallAndMessage]
ret_val = bacapp_snprintf_weeklyschedule(
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 warning generated.
```
So analyzer could now spot that we do not actually initilize array_index
at all. Fix this by setting array_index to zero. Note that I actually do
not know if zeroing is right thing to do here. I choose zero as if this
has worked before it is most likely that it will work with zero value.
* cmake: Add and ignore Wwrite-strings compiler option
Wwrite-strings helps find places where const correctness is broken.
Example it will warn about these
```C
void func1(char* str);
func("test") /* "test" is const so we should not pass it to func1().
char* func2()
{
return "test"; /* func2() should return const char*.
}
```
We still need to ignore it as not all are fixed but let's add it already
so we remember that it should be opened at some point.
---------
Co-authored-by: Kari Argillander <kari.argillander@fidelix.com>
1282 lines
40 KiB
C
1282 lines
40 KiB
C
/**
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* @file
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* @brief A basic BACnet Analog Output Object implementation.
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* An Analog Output object is an object with a present-value that
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* uses an single precision floating point data type.
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* @author Steve Karg <skarg@users.sourceforge.net>
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* @date 2005
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* @copyright SPDX-License-Identifier: MIT
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*/
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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/* BACnet Stack defines - first */
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#include "bacnet/bacdef.h"
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/* BACnet Stack API */
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#include "bacnet/bacdcode.h"
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#include "bacnet/bacerror.h"
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#include "bacnet/bacapp.h"
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#include "bacnet/bactext.h"
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#include "bacnet/cov.h"
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#include "bacnet/apdu.h"
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#include "bacnet/npdu.h"
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#include "bacnet/abort.h"
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#include "bacnet/reject.h"
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#include "bacnet/rp.h"
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#include "bacnet/wp.h"
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#include "bacnet/basic/services.h"
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#include "bacnet/basic/sys/keylist.h"
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/* me! */
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#include "ao.h"
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struct object_data {
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bool Out_Of_Service : 1;
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bool Overridden : 1;
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bool Changed : 1;
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float COV_Increment;
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float Prior_Value;
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bool Relinquished[BACNET_MAX_PRIORITY];
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float Priority_Array[BACNET_MAX_PRIORITY];
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float Relinquish_Default;
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float Min_Pres_Value;
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float Max_Pres_Value;
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uint16_t Units;
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uint8_t Reliability;
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const char *Object_Name;
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const char *Description;
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};
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/* Key List for storing the object data sorted by instance number */
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static OS_Keylist Object_List;
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/* common object type */
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static const BACNET_OBJECT_TYPE Object_Type = OBJECT_ANALOG_OUTPUT;
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/* callback for present value writes */
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static analog_output_write_present_value_callback
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Analog_Output_Write_Present_Value_Callback;
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/* These three arrays are used by the ReadPropertyMultiple handler */
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static const int Analog_Output_Properties_Required[] = { PROP_OBJECT_IDENTIFIER,
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PROP_OBJECT_NAME, PROP_OBJECT_TYPE, PROP_PRESENT_VALUE, PROP_STATUS_FLAGS,
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PROP_EVENT_STATE, PROP_OUT_OF_SERVICE, PROP_UNITS, PROP_PRIORITY_ARRAY,
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PROP_RELINQUISH_DEFAULT,
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#if (BACNET_PROTOCOL_REVISION >= 17)
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PROP_CURRENT_COMMAND_PRIORITY,
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#endif
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-1 };
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static const int Analog_Output_Properties_Optional[] = { PROP_RELIABILITY,
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PROP_DESCRIPTION, PROP_COV_INCREMENT, PROP_MIN_PRES_VALUE,
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PROP_MAX_PRES_VALUE, -1 };
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static const int Analog_Output_Properties_Proprietary[] = { -1 };
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/**
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* @brief Returns the list of required, optional, and proprietary properties.
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* Used by ReadPropertyMultiple service.
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* @param pRequired - pointer to list of int terminated by -1, of
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* BACnet required properties for this object.
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* @param pOptional - pointer to list of int terminated by -1, of
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* BACnet optkional properties for this object.
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* @param pProprietary - pointer to list of int terminated by -1, of
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* BACnet proprietary properties for this object.
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*/
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void Analog_Output_Property_Lists(
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const int **pRequired, const int **pOptional, const int **pProprietary)
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{
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if (pRequired) {
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*pRequired = Analog_Output_Properties_Required;
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}
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if (pOptional) {
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*pOptional = Analog_Output_Properties_Optional;
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}
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if (pProprietary) {
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*pProprietary = Analog_Output_Properties_Proprietary;
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}
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return;
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}
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/**
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* @brief Determines if a given Analog Output instance is valid
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* @param object_instance - object-instance number of the object
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* @return true if the instance is valid, and false if not
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*/
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bool Analog_Output_Valid_Instance(uint32_t object_instance)
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{
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struct object_data *pObject;
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pObject = Keylist_Data(Object_List, object_instance);
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if (pObject) {
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return true;
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}
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return false;
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}
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/**
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* @brief Determines the number of Analog Output objects
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* @return Number of Analog Output objects
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*/
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unsigned Analog_Output_Count(void)
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{
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return Keylist_Count(Object_List);
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}
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/**
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* @brief Determines the object instance-number for a given 0..N index
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* of Analog Output objects where N is Analog_Output_Count().
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* @param index - 0..MAX_ANALOG_OUTPUTS value
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* @return object instance-number for the given index
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*/
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uint32_t Analog_Output_Index_To_Instance(unsigned index)
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{
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KEY key = UINT32_MAX;
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Keylist_Index_Key(Object_List, index, &key);
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return key;
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}
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/**
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* @brief For a given object instance-number, determines a 0..N index
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* of Analog Output objects where N is Analog_Output_Count().
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* @param object_instance - object-instance number of the object
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* @return index for the given instance-number, or MAX_ANALOG_OUTPUTS
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* if not valid.
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*/
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unsigned Analog_Output_Instance_To_Index(uint32_t object_instance)
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{
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return Keylist_Index(Object_List, object_instance);
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}
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/**
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* @brief For a given object instance-number, determines the present-value
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* @param object_instance - object-instance number of the object
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* @return present-value of the object
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*/
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float Analog_Output_Present_Value(uint32_t object_instance)
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{
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float value = 0.0;
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uint8_t priority = 0; /* loop counter */
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struct object_data *pObject;
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pObject = Keylist_Data(Object_List, object_instance);
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if (pObject) {
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value = Analog_Output_Relinquish_Default(object_instance);
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for (priority = 0; priority < BACNET_MAX_PRIORITY; priority++) {
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if (!pObject->Relinquished[priority]) {
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value = pObject->Priority_Array[priority];
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break;
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}
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}
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}
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return value;
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}
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/**
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* @brief For a given object instance-number, determines the priority
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* @param object_instance - object-instance number of the object
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* @return active priority 1..16, or 0 if no priority is active
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*/
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unsigned Analog_Output_Present_Value_Priority(uint32_t object_instance)
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{
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unsigned p = 0; /* loop counter */
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unsigned priority = 0; /* return value */
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struct object_data *pObject;
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pObject = Keylist_Data(Object_List, object_instance);
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if (pObject) {
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for (p = 0; p < BACNET_MAX_PRIORITY; p++) {
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if (!pObject->Relinquished[p]) {
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priority = p + 1;
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break;
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}
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}
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}
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return priority;
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}
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/**
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* @brief Encode a BACnetARRAY property element
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* @param object_instance [in] BACnet network port object instance number
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* @param index [in] array index requested:
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* 0 to N for individual array members
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* @param apdu [out] Buffer in which the APDU contents are built, or NULL to
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* return the length of buffer if it had been built
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* @return The length of the apdu encoded or
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* BACNET_STATUS_ERROR for ERROR_CODE_INVALID_ARRAY_INDEX
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*/
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static int Analog_Output_Priority_Array_Encode(
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uint32_t object_instance, BACNET_ARRAY_INDEX index, uint8_t *apdu)
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{
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int apdu_len = BACNET_STATUS_ERROR;
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struct object_data *pObject;
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float real_value;
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pObject = Keylist_Data(Object_List, object_instance);
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if (pObject && (index < BACNET_MAX_PRIORITY)) {
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if (pObject->Relinquished[index]) {
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apdu_len = encode_application_null(apdu);
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} else {
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real_value = pObject->Priority_Array[index];
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apdu_len = encode_application_real(apdu, real_value);
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}
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}
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return apdu_len;
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}
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/**
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* For a given object instance-number, determines the relinquish-default value
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*
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* @param object_instance - object-instance number
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*
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* @return relinquish-default value of the object
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*/
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float Analog_Output_Relinquish_Default(uint32_t object_instance)
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{
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float value = 0.0;
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struct object_data *pObject;
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pObject = Keylist_Data(Object_List, object_instance);
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if (pObject) {
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value = pObject->Relinquish_Default;
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}
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return value;
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}
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/**
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* For a given object instance-number, sets the relinquish-default value
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*
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* @param object_instance - object-instance number of the object
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* @param value - floating point analog output relinquish-default value
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*
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* @return true if values are within range and relinquish-default value is set.
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*/
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bool Analog_Output_Relinquish_Default_Set(uint32_t object_instance, float value)
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{
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bool status = false;
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struct object_data *pObject;
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pObject = Keylist_Data(Object_List, object_instance);
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if (pObject) {
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pObject->Relinquish_Default = value;
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status = true;
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}
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return status;
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}
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/**
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* For a given object instance-number, checks the present-value for COV
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*
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* @param pObject - specific object with valid data
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* @param value - floating point analog value
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*/
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static void Analog_Output_Present_Value_COV_Detect(
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struct object_data *pObject, float value)
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{
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float prior_value = 0.0;
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float cov_increment = 0.0;
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float cov_delta = 0.0;
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if (pObject) {
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prior_value = pObject->Prior_Value;
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cov_increment = pObject->COV_Increment;
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if (prior_value > value) {
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cov_delta = prior_value - value;
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} else {
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cov_delta = value - prior_value;
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}
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if (cov_delta >= cov_increment) {
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pObject->Changed = true;
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pObject->Prior_Value = value;
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}
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}
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}
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/**
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* For a given object instance-number, sets the present-value
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*
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* @param object_instance - object-instance number of the object
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* @param value - floating point analog value
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* @param priority - priority-array index value 1..16
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* @return true if values are within range and present-value is set.
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*/
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bool Analog_Output_Present_Value_Set(
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uint32_t object_instance, float value, unsigned priority)
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{
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bool status = false;
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struct object_data *pObject;
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pObject = Keylist_Data(Object_List, object_instance);
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if (pObject) {
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if ((priority >= 1) && (priority <= BACNET_MAX_PRIORITY) &&
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(value >= pObject->Min_Pres_Value) &&
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(value <= pObject->Max_Pres_Value)) {
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pObject->Relinquished[priority - 1] = false;
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pObject->Priority_Array[priority - 1] = value;
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Analog_Output_Present_Value_COV_Detect(
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pObject, Analog_Output_Present_Value(object_instance));
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status = true;
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}
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}
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return status;
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}
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/**
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* @brief For a given object instance-number, relinquishes the present-value
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* @param object_instance - object-instance number of the object
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* @param priority - priority-array index value 1..16
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* @return true if values are within range and present-value is relinquished.
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*/
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bool Analog_Output_Present_Value_Relinquish(
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uint32_t object_instance, unsigned priority)
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{
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bool status = false;
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struct object_data *pObject;
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pObject = Keylist_Data(Object_List, object_instance);
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if (pObject) {
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if ((priority >= 1) && (priority <= BACNET_MAX_PRIORITY)) {
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pObject->Relinquished[priority - 1] = true;
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pObject->Priority_Array[priority - 1] = 0.0;
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Analog_Output_Present_Value_COV_Detect(
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pObject, Analog_Output_Present_Value(object_instance));
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status = true;
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}
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}
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return status;
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}
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/**
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* @brief For a given object instance-number, writes the present-value to the
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* remote node
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* @param object_instance - object-instance number of the object
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* @param value - floating point analog value
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* @param priority - priority-array index value 1..16
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* @param error_class - the BACnet error class
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* @param error_code - BACnet Error code
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* @return true if values are within range and present-value is set.
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*/
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static bool Analog_Output_Present_Value_Write(uint32_t object_instance,
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float value,
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uint8_t priority,
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BACNET_ERROR_CLASS *error_class,
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BACNET_ERROR_CODE *error_code)
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{
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bool status = false;
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struct object_data *pObject;
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float old_value = 0.0;
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float new_value = 0.0;
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pObject = Keylist_Data(Object_List, object_instance);
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if (pObject) {
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if ((priority >= 1) && (priority <= BACNET_MAX_PRIORITY) &&
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(value >= pObject->Min_Pres_Value) && (value <= pObject->Max_Pres_Value)) {
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if (priority != 6) {
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old_value = Analog_Output_Present_Value(object_instance);
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Analog_Output_Present_Value_Set(
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object_instance, value, priority);
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if (pObject->Out_Of_Service) {
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/* The physical point that the object represents
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is not in service. This means that changes to the
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Present_Value property are decoupled from the
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physical output when the value of Out_Of_Service
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is true. */
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} else if (Analog_Output_Write_Present_Value_Callback) {
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new_value = Analog_Output_Present_Value(object_instance);
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Analog_Output_Write_Present_Value_Callback(
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object_instance, old_value, new_value);
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}
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status = true;
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} else {
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*error_class = ERROR_CLASS_PROPERTY;
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*error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
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}
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} else {
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*error_class = ERROR_CLASS_PROPERTY;
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*error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
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}
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} else {
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*error_class = ERROR_CLASS_OBJECT;
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*error_code = ERROR_CODE_UNKNOWN_OBJECT;
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}
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return status;
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}
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|
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/**
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* @brief For a given object instance-number, writes the present-value to the
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* remote node
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* @param object_instance - object-instance number of the object
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* @param priority - priority-array index value 1..16
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* @param error_class - the BACnet error class
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* @param error_code - BACnet Error code
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* @return true if values are within range and write is requested
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*/
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static bool Analog_Output_Present_Value_Relinquish_Write(
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uint32_t object_instance,
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uint8_t priority,
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BACNET_ERROR_CLASS *error_class,
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BACNET_ERROR_CODE *error_code)
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{
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bool status = false;
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struct object_data *pObject;
|
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float old_value = 0.0;
|
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float new_value = 0.0;
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|
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pObject = Keylist_Data(Object_List, object_instance);
|
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if (pObject) {
|
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if ((priority >= 1) && (priority <= BACNET_MAX_PRIORITY)) {
|
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if (priority != 6) {
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old_value = Analog_Output_Present_Value(object_instance);
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Analog_Output_Present_Value_Relinquish(
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object_instance, priority);
|
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if (pObject->Out_Of_Service) {
|
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/* The physical point that the object represents
|
|
is not in service. This means that changes to the
|
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Present_Value property are decoupled from the
|
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physical output when the value of Out_Of_Service
|
|
is true. */
|
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} else if (Analog_Output_Write_Present_Value_Callback) {
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new_value = Analog_Output_Present_Value(object_instance);
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Analog_Output_Write_Present_Value_Callback(
|
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object_instance, old_value, new_value);
|
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}
|
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status = true;
|
|
} else {
|
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*error_class = ERROR_CLASS_PROPERTY;
|
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*error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
|
|
}
|
|
} else {
|
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*error_class = ERROR_CLASS_PROPERTY;
|
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*error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
|
|
}
|
|
} else {
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|
*error_class = ERROR_CLASS_OBJECT;
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|
*error_code = ERROR_CODE_UNKNOWN_OBJECT;
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|
}
|
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|
|
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.
|
|
*
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|
* @param object_instance - object-instance number of the object
|
|
* @param object_name - holds the object-name retrieved
|
|
*
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* @return true if object-name was retrieved
|
|
*/
|
|
bool Analog_Output_Object_Name(
|
|
uint32_t object_instance, BACNET_CHARACTER_STRING *object_name)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject;
|
|
char name_text[32];
|
|
|
|
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), "ANALOG OUTPUT %lu",
|
|
(unsigned long)object_instance);
|
|
status = characterstring_init_ansi(object_name, name_text);
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, sets the object-name
|
|
*
|
|
* @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 Analog_Output_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 *Analog_Output_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 units property value
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
*
|
|
* @return units property value
|
|
*/
|
|
uint16_t Analog_Output_Units(uint32_t object_instance)
|
|
{
|
|
uint16_t units = UNITS_NO_UNITS;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
units = pObject->Units;
|
|
}
|
|
|
|
return units;
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, sets the units property value
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
* @param units - units property value
|
|
*
|
|
* @return true if the units property value was set
|
|
*/
|
|
bool Analog_Output_Units_Set(uint32_t object_instance, uint16_t units)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
pObject->Units = units;
|
|
status = true;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* For a given object instance-number, returns the out-of-service
|
|
* status flag
|
|
*
|
|
* @param object_instance - object-instance number of the object
|
|
*
|
|
* @return out-of-service status flag
|
|
*/
|
|
bool Analog_Output_Out_Of_Service(uint32_t object_instance)
|
|
{
|
|
bool value = false;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
value = pObject->Out_Of_Service;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, sets the out-of-service status
|
|
* flag
|
|
* @param object_instance - object-instance number of the object
|
|
* @param value - boolean out-of-service value
|
|
* @return true if the out-of-service status flag was set
|
|
*/
|
|
void Analog_Output_Out_Of_Service_Set(uint32_t object_instance, bool value)
|
|
{
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
if (pObject->Out_Of_Service != value) {
|
|
pObject->Out_Of_Service = value;
|
|
pObject->Changed = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, returns the overridden
|
|
* status flag value
|
|
* @param object_instance - object-instance number of the object
|
|
* @return out-of-service property value
|
|
*/
|
|
bool Analog_Output_Overridden(uint32_t object_instance)
|
|
{
|
|
bool value = false;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
value = pObject->Overridden;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, sets the overridden status flag
|
|
* @param object_instance - object-instance number of the object
|
|
* @param value - boolean out-of-service value
|
|
* @return true if the overridden status flag was set
|
|
*/
|
|
void Analog_Output_Overridden_Set(uint32_t object_instance, bool value)
|
|
{
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
if (pObject->Overridden != value) {
|
|
pObject->Overridden = value;
|
|
pObject->Changed = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, gets the reliability.
|
|
* @param object_instance - object-instance number of the object
|
|
* @return reliability value
|
|
*/
|
|
BACNET_RELIABILITY Analog_Output_Reliability(uint32_t object_instance)
|
|
{
|
|
BACNET_RELIABILITY reliability = RELIABILITY_NO_FAULT_DETECTED;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
reliability = (BACNET_RELIABILITY)pObject->Reliability;
|
|
}
|
|
|
|
return reliability;
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, gets the Fault status flag
|
|
* @param object_instance - object-instance number of the object
|
|
* @return true the status flag is in Fault
|
|
*/
|
|
static bool Analog_Output_Object_Fault(const struct object_data *pObject)
|
|
{
|
|
bool fault = false;
|
|
|
|
if (pObject) {
|
|
if (pObject->Reliability != RELIABILITY_NO_FAULT_DETECTED) {
|
|
fault = true;
|
|
}
|
|
}
|
|
|
|
return fault;
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, sets the reliability
|
|
* @param object_instance - object-instance number of the object
|
|
* @param value - reliability enumerated value
|
|
* @return true if values are within range and property is set.
|
|
*/
|
|
bool Analog_Output_Reliability_Set(
|
|
uint32_t object_instance, BACNET_RELIABILITY value)
|
|
{
|
|
struct object_data *pObject;
|
|
bool status = false;
|
|
bool fault = false;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
if (value <= 255) {
|
|
fault = Analog_Output_Object_Fault(pObject);
|
|
pObject->Reliability = value;
|
|
if (fault != Analog_Output_Object_Fault(pObject)) {
|
|
pObject->Changed = true;
|
|
}
|
|
status = true;
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, gets the Fault status flag
|
|
* @param object_instance - object-instance number of the object
|
|
* @return true the status flag is in Fault
|
|
*/
|
|
static bool Analog_Output_Fault(uint32_t object_instance)
|
|
{
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
|
|
return Analog_Output_Object_Fault(pObject);
|
|
}
|
|
|
|
/**
|
|
* @brief 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 *Analog_Output_Description(uint32_t object_instance)
|
|
{
|
|
const char *name = NULL;
|
|
const struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
name = pObject->Description;
|
|
}
|
|
|
|
return name;
|
|
}
|
|
|
|
/**
|
|
* @brief 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 Analog_Output_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 For a given object instance-number, returns the min-pres-value
|
|
* @param object_instance - object-instance number of the object
|
|
* @return value or 0.0 if not found
|
|
*/
|
|
float Analog_Output_Min_Pres_Value(uint32_t object_instance)
|
|
{
|
|
float value = 0.0;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
value = pObject->Min_Pres_Value;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, sets the min-pres-value
|
|
* @param object_instance - object-instance number of the object
|
|
* @param value - value to be set
|
|
* @return true if valid object-instance and value within range
|
|
*/
|
|
bool Analog_Output_Min_Pres_Value_Set(uint32_t object_instance, float value)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
pObject->Min_Pres_Value = value;
|
|
status = true;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, returns the max-pres-value
|
|
* @param object_instance - object-instance number of the object
|
|
* @return value or 0.0 if not found
|
|
*/
|
|
float Analog_Output_Max_Pres_Value(uint32_t object_instance)
|
|
{
|
|
float value = 0.0;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
value = pObject->Max_Pres_Value;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* @brief For a given object instance-number, sets the max-pres-value
|
|
* @param object_instance - object-instance number of the object
|
|
* @param value - value to be set
|
|
* @return true if valid object-instance and value within range
|
|
*/
|
|
bool Analog_Output_Max_Pres_Value_Set(uint32_t object_instance, float value)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
pObject->Max_Pres_Value = value;
|
|
status = true;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Get the COV change flag status
|
|
* @param object_instance - object-instance number of the object
|
|
* @return the COV change flag status
|
|
*/
|
|
bool Analog_Output_Change_Of_Value(uint32_t object_instance)
|
|
{
|
|
bool changed = false;
|
|
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
changed = pObject->Changed;
|
|
}
|
|
|
|
return changed;
|
|
}
|
|
|
|
/**
|
|
* @brief Clear the COV change flag
|
|
* @param object_instance - object-instance number of the object
|
|
*/
|
|
void Analog_Output_Change_Of_Value_Clear(uint32_t object_instance)
|
|
{
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
pObject->Changed = false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Encode the Value List for Present-Value and Status-Flags
|
|
* @param object_instance - object-instance number of the object
|
|
* @param value_list - #BACNET_PROPERTY_VALUE with at least 2 entries
|
|
* @return true if values were encoded
|
|
*/
|
|
bool Analog_Output_Encode_Value_List(
|
|
uint32_t object_instance, BACNET_PROPERTY_VALUE *value_list)
|
|
{
|
|
bool status = false;
|
|
struct object_data *pObject;
|
|
const bool in_alarm = false;
|
|
bool fault = false;
|
|
const bool overridden = false;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
if (pObject->Reliability != RELIABILITY_NO_FAULT_DETECTED) {
|
|
fault = true;
|
|
}
|
|
status = cov_value_list_encode_real(value_list, pObject->Prior_Value,
|
|
in_alarm, fault, overridden, pObject->Out_Of_Service);
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Get the COV change flag status
|
|
* @param object_instance - object-instance number of the object
|
|
* @return the COV change flag status
|
|
*/
|
|
float Analog_Output_COV_Increment(uint32_t object_instance)
|
|
{
|
|
float value = 0.0;
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
value = pObject->COV_Increment;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
/**
|
|
* @brief Get the COV change flag status
|
|
* @param object_instance - object-instance number of the object
|
|
* @param value - COV Increment value to set
|
|
* @return the COV change flag status
|
|
*/
|
|
void Analog_Output_COV_Increment_Set(uint32_t object_instance, float value)
|
|
{
|
|
struct object_data *pObject;
|
|
|
|
pObject = Keylist_Data(Object_List, object_instance);
|
|
if (pObject) {
|
|
pObject->COV_Increment = value;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief 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 Analog_Output_Read_Property(BACNET_READ_PROPERTY_DATA *rpdata)
|
|
{
|
|
int apdu_len = 0; /* return value */
|
|
int apdu_size = 0;
|
|
BACNET_BIT_STRING bit_string;
|
|
BACNET_CHARACTER_STRING char_string;
|
|
uint8_t *apdu = NULL;
|
|
uint32_t units = 0;
|
|
float real_value = 0.0;
|
|
unsigned i = 0;
|
|
bool state = false;
|
|
|
|
if ((rpdata == NULL) || (rpdata->application_data == NULL) ||
|
|
(rpdata->application_data_len == 0)) {
|
|
return 0;
|
|
}
|
|
|
|
apdu = rpdata->application_data;
|
|
apdu_size = rpdata->application_data_len;
|
|
switch (rpdata->object_property) {
|
|
case PROP_OBJECT_IDENTIFIER:
|
|
apdu_len = encode_application_object_id(
|
|
&apdu[0], Object_Type, rpdata->object_instance);
|
|
break;
|
|
case PROP_OBJECT_NAME:
|
|
Analog_Output_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], Object_Type);
|
|
break;
|
|
case PROP_PRESENT_VALUE:
|
|
real_value = Analog_Output_Present_Value(rpdata->object_instance);
|
|
apdu_len = encode_application_real(&apdu[0], real_value);
|
|
break;
|
|
case PROP_MIN_PRES_VALUE:
|
|
real_value = Analog_Output_Min_Pres_Value(rpdata->object_instance);
|
|
apdu_len = encode_application_real(&apdu[0], real_value);
|
|
break;
|
|
case PROP_MAX_PRES_VALUE:
|
|
real_value = Analog_Output_Max_Pres_Value(rpdata->object_instance);
|
|
apdu_len = encode_application_real(&apdu[0], real_value);
|
|
break;
|
|
case PROP_STATUS_FLAGS:
|
|
bitstring_init(&bit_string);
|
|
bitstring_set_bit(&bit_string, STATUS_FLAG_IN_ALARM, false);
|
|
state = Analog_Output_Fault(rpdata->object_instance);
|
|
bitstring_set_bit(&bit_string, STATUS_FLAG_FAULT, state);
|
|
state = Analog_Output_Overridden(rpdata->object_instance);
|
|
bitstring_set_bit(&bit_string, STATUS_FLAG_OVERRIDDEN, state);
|
|
state = Analog_Output_Out_Of_Service(rpdata->object_instance);
|
|
bitstring_set_bit(&bit_string, STATUS_FLAG_OUT_OF_SERVICE, state);
|
|
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
|
|
break;
|
|
case PROP_RELIABILITY:
|
|
apdu_len = encode_application_enumerated(
|
|
&apdu[0], Analog_Output_Reliability(rpdata->object_instance));
|
|
break;
|
|
case PROP_EVENT_STATE:
|
|
apdu_len =
|
|
encode_application_enumerated(&apdu[0], EVENT_STATE_NORMAL);
|
|
break;
|
|
case PROP_OUT_OF_SERVICE:
|
|
state = Analog_Output_Out_Of_Service(rpdata->object_instance);
|
|
apdu_len = encode_application_boolean(&apdu[0], state);
|
|
break;
|
|
case PROP_UNITS:
|
|
units = Analog_Output_Units(rpdata->object_instance);
|
|
apdu_len = encode_application_enumerated(&apdu[0], units);
|
|
break;
|
|
case PROP_PRIORITY_ARRAY:
|
|
apdu_len = bacnet_array_encode(rpdata->object_instance,
|
|
rpdata->array_index, Analog_Output_Priority_Array_Encode,
|
|
BACNET_MAX_PRIORITY, apdu, apdu_size);
|
|
if (apdu_len == BACNET_STATUS_ABORT) {
|
|
rpdata->error_code =
|
|
ERROR_CODE_ABORT_SEGMENTATION_NOT_SUPPORTED;
|
|
} else if (apdu_len == BACNET_STATUS_ERROR) {
|
|
rpdata->error_class = ERROR_CLASS_PROPERTY;
|
|
rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
|
|
}
|
|
break;
|
|
case PROP_RELINQUISH_DEFAULT:
|
|
real_value =
|
|
Analog_Output_Relinquish_Default(rpdata->object_instance);
|
|
apdu_len = encode_application_real(&apdu[0], real_value);
|
|
break;
|
|
case PROP_DESCRIPTION:
|
|
characterstring_init_ansi(&char_string,
|
|
Analog_Output_Description(rpdata->object_instance));
|
|
apdu_len =
|
|
encode_application_character_string(&apdu[0], &char_string);
|
|
break;
|
|
case PROP_COV_INCREMENT:
|
|
apdu_len = encode_application_real(
|
|
&apdu[0], Analog_Output_COV_Increment(rpdata->object_instance));
|
|
break;
|
|
#if (BACNET_PROTOCOL_REVISION >= 17)
|
|
case PROP_CURRENT_COMMAND_PRIORITY:
|
|
i = Analog_Output_Present_Value_Priority(rpdata->object_instance);
|
|
if ((i >= BACNET_MIN_PRIORITY) && (i <= BACNET_MAX_PRIORITY)) {
|
|
apdu_len = encode_application_unsigned(&apdu[0], i);
|
|
} else {
|
|
apdu_len = encode_application_null(&apdu[0]);
|
|
}
|
|
break;
|
|
#endif
|
|
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) && (rpdata->object_property != PROP_PRIORITY_ARRAY) &&
|
|
(rpdata->object_property != PROP_EVENT_TIME_STAMPS) &&
|
|
(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;
|
|
}
|
|
|
|
/**
|
|
* @brief 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 Analog_Output_Write_Property(BACNET_WRITE_PROPERTY_DATA *wp_data)
|
|
{
|
|
bool status = false; /* return value */
|
|
int len = 0;
|
|
BACNET_APPLICATION_DATA_VALUE value;
|
|
|
|
/* 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 ((wp_data->object_property != PROP_PRIORITY_ARRAY) &&
|
|
(wp_data->object_property != PROP_EVENT_TIME_STAMPS) &&
|
|
(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:
|
|
status = write_property_type_valid(
|
|
wp_data, &value, BACNET_APPLICATION_TAG_REAL);
|
|
if (status) {
|
|
status =
|
|
Analog_Output_Present_Value_Write(wp_data->object_instance,
|
|
value.type.Real, wp_data->priority,
|
|
&wp_data->error_class, &wp_data->error_code);
|
|
} else {
|
|
status = write_property_type_valid(
|
|
wp_data, &value, BACNET_APPLICATION_TAG_NULL);
|
|
if (status) {
|
|
status = Analog_Output_Present_Value_Relinquish_Write(
|
|
wp_data->object_instance, wp_data->priority,
|
|
&wp_data->error_class, &wp_data->error_code);
|
|
}
|
|
}
|
|
break;
|
|
case PROP_OUT_OF_SERVICE:
|
|
status = write_property_type_valid(
|
|
wp_data, &value, BACNET_APPLICATION_TAG_BOOLEAN);
|
|
if (status) {
|
|
Analog_Output_Out_Of_Service_Set(
|
|
wp_data->object_instance, value.type.Boolean);
|
|
}
|
|
break;
|
|
case PROP_COV_INCREMENT:
|
|
case PROP_OBJECT_IDENTIFIER:
|
|
case PROP_OBJECT_TYPE:
|
|
case PROP_OBJECT_NAME:
|
|
case PROP_STATUS_FLAGS:
|
|
case PROP_EVENT_STATE:
|
|
case PROP_UNITS:
|
|
case PROP_RELIABILITY:
|
|
case PROP_PRIORITY_ARRAY:
|
|
case PROP_RELINQUISH_DEFAULT:
|
|
case PROP_MAX_PRES_VALUE:
|
|
case PROP_MIN_PRES_VALUE:
|
|
case PROP_DESCRIPTION:
|
|
#if (BACNET_PROTOCOL_REVISION >= 17)
|
|
case PROP_CURRENT_COMMAND_PRIORITY:
|
|
#endif
|
|
wp_data->error_class = ERROR_CLASS_PROPERTY;
|
|
wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
|
|
break;
|
|
default:
|
|
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 Analog_Output_Write_Present_Value_Callback_Set(
|
|
analog_output_write_present_value_callback cb)
|
|
{
|
|
Analog_Output_Write_Present_Value_Callback = cb;
|
|
}
|
|
|
|
/**
|
|
* @brief Creates a Analog Output object
|
|
* @param object_instance - object-instance number of the object
|
|
* @return the object-instance that was created, or BACNET_MAX_INSTANCE
|
|
*/
|
|
uint32_t Analog_Output_Create(uint32_t object_instance)
|
|
{
|
|
struct object_data *pObject = NULL;
|
|
int index = 0;
|
|
unsigned priority = 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) {
|
|
pObject->Object_Name = NULL;
|
|
pObject->Reliability = RELIABILITY_NO_FAULT_DETECTED;
|
|
pObject->Overridden = false;
|
|
for (priority = 0; priority < BACNET_MAX_PRIORITY; priority++) {
|
|
pObject->Relinquished[priority] = true;
|
|
pObject->Priority_Array[priority] = 0.0;
|
|
}
|
|
pObject->Relinquish_Default = 0.0;
|
|
pObject->COV_Increment = 1.0;
|
|
pObject->Prior_Value = 0.0;
|
|
pObject->Units = UNITS_NO_UNITS;
|
|
pObject->Out_Of_Service = false;
|
|
pObject->Changed = false;
|
|
pObject->Min_Pres_Value = 0;
|
|
pObject->Max_Pres_Value = 100;
|
|
/* add to list */
|
|
index = Keylist_Data_Add(Object_List, object_instance, pObject);
|
|
if (index < 0) {
|
|
free(pObject);
|
|
return BACNET_MAX_INSTANCE;
|
|
}
|
|
} else {
|
|
return BACNET_MAX_INSTANCE;
|
|
}
|
|
}
|
|
|
|
return object_instance;
|
|
}
|
|
|
|
/**
|
|
* @brief Deletes an Analog Output object
|
|
* @param object_instance - object-instance number of the object
|
|
* @return true if the object-instance was deleted
|
|
*/
|
|
bool Analog_Output_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;
|
|
}
|
|
|
|
/**
|
|
* @brief Deletes all the Analog Outputs and their data
|
|
*/
|
|
void Analog_Output_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;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Initializes the Analog Output object data
|
|
*/
|
|
void Analog_Output_Init(void)
|
|
{
|
|
if (!Object_List) {
|
|
Object_List = Keylist_Create();
|
|
}
|
|
}
|