mirror of
https://github.com/stargieg/bacnet-stack
synced 2025-10-26 23:35:52 +08:00
fork from http://sourceforge.net/projects/bacnet/
This commit is contained in:
Patrick Grimm
637
demo/object/msv.c
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637
demo/object/msv.c
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@@ -0,0 +1,637 @@
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/**************************************************************************
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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
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "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
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* 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
|
||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
* 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
|
||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*********************************************************************/
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/* Multi-state Value Objects */
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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 "bacdef.h"
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#include "bacdcode.h"
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#include "bacenum.h"
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#include "bacapp.h"
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#include "config.h" /* the custom stuff */
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#include "rp.h"
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#include "wp.h"
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#include "msv.h"
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#include "handlers.h"
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/* number of demo objects */
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#ifndef MAX_MULTISTATE_VALUES
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#define MAX_MULTISTATE_VALUES 1
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#endif
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/* how many states? 1 to 254 states - 0 is not allowed. */
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#ifndef MULTISTATE_NUMBER_OF_STATES
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#define MULTISTATE_NUMBER_OF_STATES (254)
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#endif
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/* Here is our Present Value */
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static uint8_t Present_Value[MAX_MULTISTATE_VALUES];
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/* Writable out-of-service allows others to manipulate our Present Value */
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static bool Out_Of_Service[MAX_MULTISTATE_VALUES];
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static char Object_Name[MAX_MULTISTATE_VALUES][64];
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static char Object_Description[MAX_MULTISTATE_VALUES][64];
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static char State_Text[MAX_MULTISTATE_VALUES][MULTISTATE_NUMBER_OF_STATES][64];
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/* These three arrays are used by the ReadPropertyMultiple handler */
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static const int Properties_Required[] = {
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PROP_OBJECT_IDENTIFIER,
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PROP_OBJECT_NAME,
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PROP_OBJECT_TYPE,
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PROP_PRESENT_VALUE,
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PROP_STATUS_FLAGS,
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PROP_EVENT_STATE,
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PROP_OUT_OF_SERVICE,
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PROP_NUMBER_OF_STATES,
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-1
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};
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static const int Properties_Optional[] = {
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PROP_DESCRIPTION,
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PROP_STATE_TEXT,
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-1
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};
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static const int Properties_Proprietary[] = {
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-1
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};
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void Multistate_Value_Property_Lists(
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const int **pRequired,
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const int **pOptional,
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const int **pProprietary)
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{
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if (pRequired)
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*pRequired = Properties_Required;
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if (pOptional)
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*pOptional = Properties_Optional;
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if (pProprietary)
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*pProprietary = Properties_Proprietary;
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return;
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}
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void Multistate_Value_Init(
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void)
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{
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unsigned i;
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/* initialize all the analog output priority arrays to NULL */
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for (i = 0; i < MAX_MULTISTATE_VALUES; i++) {
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Present_Value[i] = 1;
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}
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return;
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}
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/* we simply have 0-n object instances. Yours might be */
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/* more complex, and then you need to return the index */
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/* that correlates to the correct instance number */
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unsigned Multistate_Value_Instance_To_Index(
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uint32_t object_instance)
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{
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unsigned index = MAX_MULTISTATE_VALUES;
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if (object_instance < MAX_MULTISTATE_VALUES)
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index = object_instance;
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return index;
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}
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/* we simply have 0-n object instances. Yours might be */
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/* more complex, and then you need to return the instance */
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/* that correlates to the correct index */
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uint32_t Multistate_Value_Index_To_Instance(
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unsigned index)
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{
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return index;
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}
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/* we simply have 0-n object instances. Yours might be */
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/* more complex, and then count how many you have */
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unsigned Multistate_Value_Count(
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void)
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{
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return MAX_MULTISTATE_VALUES;
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}
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bool Multistate_Value_Valid_Instance(
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uint32_t object_instance)
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{
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unsigned index = 0; /* offset from instance lookup */
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index = Multistate_Value_Instance_To_Index(object_instance);
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if (index < MAX_MULTISTATE_VALUES) {
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return true;
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}
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return false;
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}
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uint32_t Multistate_Value_Present_Value(
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uint32_t object_instance)
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{
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uint32_t value = 1;
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unsigned index = 0; /* offset from instance lookup */
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index = Multistate_Value_Instance_To_Index(object_instance);
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if (index < MAX_MULTISTATE_VALUES) {
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value = Present_Value[index];
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}
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return value;
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}
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bool Multistate_Value_Present_Value_Set(
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uint32_t object_instance,
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uint32_t value)
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{
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bool status = false;
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unsigned index = 0; /* offset from instance lookup */
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index = Multistate_Value_Instance_To_Index(object_instance);
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if (index < MAX_MULTISTATE_VALUES) {
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if ((value > 0) && (value <= MULTISTATE_NUMBER_OF_STATES)) {
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Present_Value[index] = (uint8_t) value;
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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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bool Multistate_Value_Out_Of_Service(
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uint32_t object_instance)
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{
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bool value = false;
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unsigned index = 0;
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||||
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index = Multistate_Value_Instance_To_Index(object_instance);
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if (index < MAX_MULTISTATE_VALUES) {
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value = Out_Of_Service[index];
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}
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return value;
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}
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void Multistate_Value_Out_Of_Service_Set(
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uint32_t object_instance,
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bool value)
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{
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unsigned index = 0;
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||||
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index = Multistate_Value_Instance_To_Index(object_instance);
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if (index < MAX_MULTISTATE_VALUES) {
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Out_Of_Service[index] = value;
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}
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return;
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}
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static char *Multistate_Value_Description(
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uint32_t object_instance)
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{
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unsigned index = 0; /* offset from instance lookup */
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char *pName = NULL; /* return value */
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index = Multistate_Value_Instance_To_Index(object_instance);
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if (index < MAX_MULTISTATE_VALUES) {
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pName = Object_Description[index];
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}
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return pName;
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}
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bool Multistate_Value_Description_Set(
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uint32_t object_instance,
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char *new_name)
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{
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unsigned index = 0; /* offset from instance lookup */
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size_t i = 0; /* loop counter */
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bool status = false; /* return value */
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index = Multistate_Value_Instance_To_Index(object_instance);
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if (index < MAX_MULTISTATE_VALUES) {
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status = true;
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if (new_name) {
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for (i = 0; i < sizeof(Object_Description[index]); i++) {
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Object_Description[index][i] = new_name[i];
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if (new_name[i] == 0) {
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break;
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}
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}
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} else {
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for (i = 0; i < sizeof(Object_Description[index]); i++) {
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Object_Description[index][i] = 0;
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}
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}
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}
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return status;
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}
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bool Multistate_Value_Object_Name(
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uint32_t object_instance,
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BACNET_CHARACTER_STRING * object_name)
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{
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unsigned index = 0; /* offset from instance lookup */
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bool status = false;
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index = Multistate_Value_Instance_To_Index(object_instance);
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if (index < MAX_MULTISTATE_VALUES) {
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status = characterstring_init_ansi(object_name, Object_Name[index]);
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}
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return status;
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}
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/* note: the object name must be unique within this device */
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bool Multistate_Value_Name_Set(
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uint32_t object_instance,
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char *new_name)
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{
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unsigned index = 0; /* offset from instance lookup */
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size_t i = 0; /* loop counter */
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bool status = false; /* return value */
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index = Multistate_Value_Instance_To_Index(object_instance);
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if (index < MAX_MULTISTATE_VALUES) {
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status = true;
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/* FIXME: check to see if there is a matching name */
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if (new_name) {
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for (i = 0; i < sizeof(Object_Name[index]); i++) {
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Object_Name[index][i] = new_name[i];
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if (new_name[i] == 0) {
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break;
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}
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}
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} else {
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for (i = 0; i < sizeof(Object_Name[index]); i++) {
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Object_Name[index][i] = 0;
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}
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}
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}
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return status;
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}
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static char *Multistate_Value_State_Text(
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uint32_t object_instance,
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uint32_t state_index)
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{
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unsigned index = 0; /* offset from instance lookup */
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char *pName = NULL; /* return value */
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index = Multistate_Value_Instance_To_Index(object_instance);
|
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if ((index < MAX_MULTISTATE_VALUES) && (state_index > 0) &&
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(state_index <= MULTISTATE_NUMBER_OF_STATES)) {
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state_index--;
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pName = State_Text[index][state_index];
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}
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return pName;
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}
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/* note: the object name must be unique within this device */
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bool Multistate_Value_State_Text_Set(
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uint32_t object_instance,
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uint32_t state_index,
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char *new_name)
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||||
{
|
||||
unsigned index = 0; /* offset from instance lookup */
|
||||
size_t i = 0; /* loop counter */
|
||||
bool status = false; /* return value */
|
||||
|
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index = Multistate_Value_Instance_To_Index(object_instance);
|
||||
if ((index < MAX_MULTISTATE_VALUES) && (state_index > 0) &&
|
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(state_index <= MULTISTATE_NUMBER_OF_STATES)) {
|
||||
state_index--;
|
||||
status = true;
|
||||
if (new_name) {
|
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for (i = 0; i < sizeof(State_Text[index][state_index]); i++) {
|
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State_Text[index][state_index][i] = new_name[i];
|
||||
if (new_name[i] == 0) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for (i = 0; i < sizeof(State_Text[index][state_index]); i++) {
|
||||
State_Text[index][state_index][i] = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return status;;
|
||||
}
|
||||
|
||||
|
||||
/* return apdu len, or BACNET_STATUS_ERROR on error */
|
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int Multistate_Value_Read_Property(
|
||||
BACNET_READ_PROPERTY_DATA * rpdata)
|
||||
{
|
||||
int len = 0;
|
||||
int apdu_len = 0; /* return value */
|
||||
BACNET_BIT_STRING bit_string;
|
||||
BACNET_CHARACTER_STRING char_string;
|
||||
uint32_t present_value = 0;
|
||||
unsigned object_index = 0;
|
||||
unsigned i = 0;
|
||||
bool state = false;
|
||||
uint8_t *apdu = NULL;
|
||||
|
||||
if ((rpdata == NULL) || (rpdata->application_data == NULL) ||
|
||||
(rpdata->application_data_len == 0)) {
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||||
return 0;
|
||||
}
|
||||
apdu = rpdata->application_data;
|
||||
switch (rpdata->object_property) {
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||||
case PROP_OBJECT_IDENTIFIER:
|
||||
apdu_len =
|
||||
encode_application_object_id(&apdu[0],
|
||||
OBJECT_MULTI_STATE_VALUE, rpdata->object_instance);
|
||||
break;
|
||||
/* note: Name and Description don't have to be the same.
|
||||
You could make Description writable and different */
|
||||
case PROP_OBJECT_NAME:
|
||||
Multistate_Value_Object_Name(rpdata->object_instance,
|
||||
&char_string);
|
||||
apdu_len =
|
||||
encode_application_character_string(&apdu[0], &char_string);
|
||||
break;
|
||||
case PROP_DESCRIPTION:
|
||||
characterstring_init_ansi(&char_string,
|
||||
Multistate_Value_Description(rpdata->object_instance));
|
||||
apdu_len =
|
||||
encode_application_character_string(&apdu[0], &char_string);
|
||||
break;
|
||||
case PROP_OBJECT_TYPE:
|
||||
apdu_len =
|
||||
encode_application_enumerated(&apdu[0],
|
||||
OBJECT_MULTI_STATE_VALUE);
|
||||
break;
|
||||
case PROP_PRESENT_VALUE:
|
||||
present_value =
|
||||
Multistate_Value_Present_Value(rpdata->object_instance);
|
||||
apdu_len = encode_application_unsigned(&apdu[0], present_value);
|
||||
break;
|
||||
case PROP_STATUS_FLAGS:
|
||||
/* note: see the details in the standard on how to use these */
|
||||
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);
|
||||
if (Multistate_Value_Out_Of_Service(rpdata->object_instance)) {
|
||||
bitstring_set_bit(&bit_string, STATUS_FLAG_OUT_OF_SERVICE,
|
||||
true);
|
||||
} else {
|
||||
bitstring_set_bit(&bit_string, STATUS_FLAG_OUT_OF_SERVICE,
|
||||
false);
|
||||
}
|
||||
apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
|
||||
break;
|
||||
case PROP_EVENT_STATE:
|
||||
/* note: see the details in the standard on how to use this */
|
||||
apdu_len =
|
||||
encode_application_enumerated(&apdu[0], EVENT_STATE_NORMAL);
|
||||
break;
|
||||
case PROP_OUT_OF_SERVICE:
|
||||
object_index =
|
||||
Multistate_Value_Instance_To_Index(rpdata->object_instance);
|
||||
state = Out_Of_Service[object_index];
|
||||
apdu_len = encode_application_boolean(&apdu[0], state);
|
||||
break;
|
||||
case PROP_NUMBER_OF_STATES:
|
||||
apdu_len =
|
||||
encode_application_unsigned(&apdu[apdu_len],
|
||||
MULTISTATE_NUMBER_OF_STATES);
|
||||
break;
|
||||
case PROP_STATE_TEXT:
|
||||
if (rpdata->array_index == 0) {
|
||||
/* Array element zero is the number of elements in the array */
|
||||
apdu_len =
|
||||
encode_application_unsigned(&apdu[0],
|
||||
MULTISTATE_NUMBER_OF_STATES);
|
||||
} else if (rpdata->array_index == BACNET_ARRAY_ALL) {
|
||||
/* if no index was specified, then try to encode the entire list */
|
||||
/* into one packet. */
|
||||
object_index =
|
||||
Multistate_Value_Instance_To_Index
|
||||
(rpdata->object_instance);
|
||||
for (i = 1; i <= MULTISTATE_NUMBER_OF_STATES; i++) {
|
||||
characterstring_init_ansi(&char_string,
|
||||
Multistate_Value_State_Text(rpdata->object_instance,
|
||||
i));
|
||||
/* FIXME: this might go beyond MAX_APDU length! */
|
||||
len =
|
||||
encode_application_character_string(&apdu[apdu_len],
|
||||
&char_string);
|
||||
/* add it if we have room */
|
||||
if ((apdu_len + len) < MAX_APDU) {
|
||||
apdu_len += len;
|
||||
} else {
|
||||
rpdata->error_class = ERROR_CLASS_SERVICES;
|
||||
rpdata->error_code = ERROR_CODE_NO_SPACE_FOR_OBJECT;
|
||||
apdu_len = BACNET_STATUS_ERROR;
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
object_index =
|
||||
Multistate_Value_Instance_To_Index
|
||||
(rpdata->object_instance);
|
||||
if (rpdata->array_index <= MULTISTATE_NUMBER_OF_STATES) {
|
||||
characterstring_init_ansi(&char_string,
|
||||
Multistate_Value_State_Text(rpdata->object_instance,
|
||||
rpdata->array_index));
|
||||
apdu_len =
|
||||
encode_application_character_string(&apdu[0],
|
||||
&char_string);
|
||||
} else {
|
||||
rpdata->error_class = ERROR_CLASS_PROPERTY;
|
||||
rpdata->error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
|
||||
apdu_len = BACNET_STATUS_ERROR;
|
||||
}
|
||||
}
|
||||
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) && (rpdata->object_property != PROP_STATE_TEXT) &&
|
||||
(rpdata->object_property != PROP_PRIORITY_ARRAY) &&
|
||||
(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;
|
||||
}
|
||||
|
||||
/* returns true if successful */
|
||||
bool Multistate_Value_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_STATE_TEXT) &&
|
||||
(wp_data->object_property != PROP_PRIORITY_ARRAY) &&
|
||||
(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 =
|
||||
WPValidateArgType(&value, BACNET_APPLICATION_TAG_UNSIGNED_INT,
|
||||
&wp_data->error_class, &wp_data->error_code);
|
||||
if (status) {
|
||||
status =
|
||||
Multistate_Value_Present_Value_Set
|
||||
(wp_data->object_instance, value.type.Unsigned_Int);
|
||||
if (!status) {
|
||||
wp_data->error_class = ERROR_CLASS_PROPERTY;
|
||||
wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case PROP_OUT_OF_SERVICE:
|
||||
status =
|
||||
WPValidateArgType(&value, BACNET_APPLICATION_TAG_BOOLEAN,
|
||||
&wp_data->error_class, &wp_data->error_code);
|
||||
if (status) {
|
||||
Multistate_Value_Out_Of_Service_Set(wp_data->object_instance,
|
||||
value.type.Boolean);
|
||||
}
|
||||
break;
|
||||
case PROP_OBJECT_IDENTIFIER:
|
||||
case PROP_OBJECT_NAME:
|
||||
case PROP_OBJECT_TYPE:
|
||||
case PROP_STATUS_FLAGS:
|
||||
case PROP_EVENT_STATE:
|
||||
case PROP_NUMBER_OF_STATES:
|
||||
case PROP_DESCRIPTION:
|
||||
case PROP_STATE_TEXT:
|
||||
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;
|
||||
}
|
||||
|
||||
|
||||
#ifdef TEST
|
||||
#include <assert.h>
|
||||
#include <string.h>
|
||||
#include "ctest.h"
|
||||
|
||||
bool WPValidateArgType(
|
||||
BACNET_APPLICATION_DATA_VALUE * pValue,
|
||||
uint8_t ucExpectedTag,
|
||||
BACNET_ERROR_CLASS * pErrorClass,
|
||||
BACNET_ERROR_CODE * pErrorCode)
|
||||
{
|
||||
pValue = pValue;
|
||||
ucExpectedTag = ucExpectedTag;
|
||||
pErrorClass = pErrorClass;
|
||||
pErrorCode = pErrorCode;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
void testMultistateInput(
|
||||
Test * pTest)
|
||||
{
|
||||
uint8_t apdu[MAX_APDU] = { 0 };
|
||||
int len = 0;
|
||||
uint32_t len_value = 0;
|
||||
uint8_t tag_number = 0;
|
||||
uint16_t decoded_type = 0;
|
||||
uint32_t decoded_instance = 0;
|
||||
BACNET_READ_PROPERTY_DATA rpdata;
|
||||
|
||||
Multistate_Value_Init();
|
||||
rpdata.application_data = &apdu[0];
|
||||
rpdata.application_data_len = sizeof(apdu);
|
||||
rpdata.object_type = OBJECT_MULTI_STATE_VALUE;
|
||||
rpdata.object_instance = 1;
|
||||
rpdata.object_property = PROP_OBJECT_IDENTIFIER;
|
||||
rpdata.array_index = BACNET_ARRAY_ALL;
|
||||
len = Multistate_Value_Read_Property(&rpdata);
|
||||
ct_test(pTest, len != 0);
|
||||
len = decode_tag_number_and_value(&apdu[0], &tag_number, &len_value);
|
||||
ct_test(pTest, tag_number == BACNET_APPLICATION_TAG_OBJECT_ID);
|
||||
len = decode_object_id(&apdu[len], &decoded_type, &decoded_instance);
|
||||
ct_test(pTest, decoded_type == rpdata.object_type);
|
||||
ct_test(pTest, decoded_instance == rpdata.object_instance);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
#ifdef TEST_MULTISTATE_VALUE
|
||||
int main(
|
||||
void)
|
||||
{
|
||||
Test *pTest;
|
||||
bool rc;
|
||||
|
||||
pTest = ct_create("BACnet Multi-state Input", NULL);
|
||||
/* individual tests */
|
||||
rc = ct_addTestFunction(pTest, testMultistateInput);
|
||||
assert(rc);
|
||||
|
||||
ct_setStream(pTest, stdout);
|
||||
ct_run(pTest);
|
||||
(void) ct_report(pTest);
|
||||
ct_destroy(pTest);
|
||||
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
#endif /* TEST */
|
||||
Reference in New Issue
Block a user