Edouard@2020: /**************************************************************************
Edouard@2020: *
Edouard@2020: * Copyright (C) 2012 Steve Karg <skarg@users.sourceforge.net>
Edouard@2020: * Copyright (C) 2017 Mario de Sousa <msousa@fe.up.pt>
Edouard@2020: *
Edouard@2020: * Permission is hereby granted, free of charge, to any person obtaining
Edouard@2020: * a copy of this software and associated documentation files (the
Edouard@2020: * "Software"), to deal in the Software without restriction, including
Edouard@2020: * without limitation the rights to use, copy, modify, merge, publish,
Edouard@2020: * distribute, sublicense, and/or sell copies of the Software, and to
Edouard@2020: * permit persons to whom the Software is furnished to do so, subject to
Edouard@2020: * the following conditions:
Edouard@2020: *
Edouard@2020: * The above copyright notice and this permission notice shall be included
Edouard@2020: * in all copies or substantial portions of the Software.
Edouard@2020: *
Edouard@2020: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
Edouard@2020: * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
Edouard@2020: * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
Edouard@2020: * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
Edouard@2020: * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
Edouard@2020: * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
Edouard@2020: * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Edouard@2020: *
Edouard@2020: *********************************************************************/
Edouard@2020: 
Edouard@2020: /* Multi-state Input Objects */
Edouard@2020: 
Edouard@2020: #include <stdbool.h>
Edouard@2020: #include <stdint.h>
Edouard@2020: #include <stdio.h>
Edouard@2020: 
Edouard@2020: #include "config_bacnet_for_beremiz_%(locstr)s.h"     /* the custom configuration for beremiz pluginh  */
Edouard@2020: #include "bacdef.h"
Edouard@2020: #include "bacdcode.h"
Edouard@2020: #include "bacenum.h"
Edouard@2020: #include "bacapp.h"
Edouard@2020: #include "rp.h"
Edouard@2020: #include "wp.h"
Edouard@2020: #include "msi_%(locstr)s.h"
Edouard@2020: #include "handlers.h"
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /* initial value for present_value property of each object */ 
Edouard@2020: #define MSI_VALUE_INIT (1)
Edouard@2020: 
Edouard@2020: /* The IEC 61131-3 located variables mapped onto the Multi-state Input objects of BACnet protocol */
Edouard@2020: %(MSI_lvars)s
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /* The array where we keep all the state related to the Multi-state Input Objects */
Edouard@2020: #define MAX_MULTISTATE_INPUTS %(MSI_count)s
Edouard@2020: static MULTISTATE_INPUT_DESCR MSI_Descr[MAX_MULTISTATE_INPUTS] = {
Edouard@2020: %(MSI_param)s
Edouard@2020: };
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /* These three arrays are used by the ReadPropertyMultiple handler,
Edouard@2020:  * as well as to initialize the XXX_Property_List used by the 
Edouard@2020:  * Property List (PROP_PROPERTY_LIST) property.
Edouard@2020:  */
Edouard@2020: static const int Multistate_Input_Properties_Required[] = {
Edouard@2020:  /* (1) Currently Supported                  */
Edouard@2020:  /* (2) Required by standard ASHRAE 135-2016 */
Edouard@2020:                               /*(1)(2)      */
Edouard@2020:     PROP_OBJECT_IDENTIFIER,   /* R  R ( 75) */
Edouard@2020:     PROP_OBJECT_NAME,         /* R  R ( 77) */
Edouard@2020:     PROP_OBJECT_TYPE,         /* R  R ( 79) */
Edouard@2020:     PROP_PRESENT_VALUE,       /* W  R ( 85) */
Edouard@2020:     PROP_STATUS_FLAGS,        /* R  R (111) */
Edouard@2020:     PROP_EVENT_STATE,         /* R  R ( 36) */
Edouard@2020:     PROP_OUT_OF_SERVICE,      /* W  R ( 81) */
Edouard@2020:     PROP_NUMBER_OF_STATES,    /* R  R ( 74) */
Edouard@2020: //  PROP_PROPERTY_LIST,       /* R  R (371) */
Edouard@2020:     -1
Edouard@2020: };
Edouard@2020: 
Edouard@2020: static const int Multistate_Input_Properties_Optional[] = {
Edouard@2020:  /* (1) Currently Supported                  */
Edouard@2020:  /* (2) Required by standard ASHRAE 135-2016 */
Edouard@2020:                               /*(1)(2)      */
Edouard@2020:     PROP_DESCRIPTION,         /* R  O ( 28) */
Edouard@2020:     PROP_STATE_TEXT,          /* R  O (110) */
Edouard@2020:     -1
Edouard@2020: };
Edouard@2020: 
Edouard@2020: static const int Multistate_Input_Properties_Proprietary[] = {
Edouard@2020:     -1
Edouard@2020: };
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /* This array stores the PROPERTY_LIST which may be read by clients.
Edouard@2020:  * End of list is marked by following the last element with the value '-1'
Edouard@2020:  * 
Edouard@2020:  * It is initialized by Multistate_Input_Init() based off the values
Edouard@2020:  * stored in Multistate_Input_Properties_Required 
Edouard@2020:  *           Multistate_Input_Properties_Optional
Edouard@2020:  *           Multistate_Input_Properties_Proprietary
Edouard@2020:  */
Edouard@2020: /* TODO: Allocate memory for this array with malloc() at startup */
Edouard@2020: static int Multistate_Input_Properties_List[64];
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /********************************************************/
Edouard@2020: /**                  Callback functions.               **/
Edouard@2020: /** Functions required by BACnet devie implementation. **/
Edouard@2020: /********************************************************/
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /* This is a callback function. Callback set in My_Object_Table[] array declared in device.c,  */
Edouard@2020: void Multistate_Input_Property_Lists(
Edouard@2020:     const int **pRequired,
Edouard@2020:     const int **pOptional,
Edouard@2020:     const int **pProprietary)
Edouard@2020: {
Edouard@2020:     if (pRequired)
Edouard@2020:         *pRequired = Multistate_Input_Properties_Required;
Edouard@2020:     if (pOptional)
Edouard@2020:         *pOptional = Multistate_Input_Properties_Optional;
Edouard@2020:     if (pProprietary)
Edouard@2020:         *pProprietary = Multistate_Input_Properties_Proprietary;
Edouard@2020: 
Edouard@2020:     return;
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /* This is a callback function. Callback set in My_Object_Table[] array declared in device.c,  */
Edouard@2020: void Multistate_Input_Init(
Edouard@2020:     void)
Edouard@2020: {
Edouard@2020:     unsigned int i, j;
Edouard@2020: 
Edouard@2020:     /* initialize the Multistate_Input_Properties_List array */
Edouard@2020:     int len = 0;
Edouard@2020:     len += BACnet_Init_Properties_List(Multistate_Input_Properties_List + len,
Edouard@2020:                                        Multistate_Input_Properties_Required);
Edouard@2020:     len += BACnet_Init_Properties_List(Multistate_Input_Properties_List + len,
Edouard@2020:                                        Multistate_Input_Properties_Optional);
Edouard@2020:     len += BACnet_Init_Properties_List(Multistate_Input_Properties_List + len,
Edouard@2020:                                        Multistate_Input_Properties_Proprietary);
Edouard@2020: 
Edouard@2020:     /* initialize all the analog output priority arrays to NULL */
Edouard@2020:     for (i = 0; i < MAX_MULTISTATE_INPUTS; i++) {
Edouard@2020:         MSI_Descr[i].Present_Value = MSI_VALUE_INIT;
Edouard@2020:         for (j = 0; j < MSI_Descr[i].Number_Of_States; j++) {
Edouard@2020:             sprintf(MSI_Descr[i].State_Text[j], "State %%d", j+1);
Edouard@2020:         }
Edouard@2020:     }
Edouard@2020:     return;
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /* validate that the given instance exists */
Edouard@2020: /* This is a callback function. Callback set in My_Object_Table[] array declared in device.c,  */
Edouard@2020: bool Multistate_Input_Valid_Instance(
Edouard@2020:     uint32_t object_instance)
Edouard@2020: {
Edouard@2020:     // fprintf(stderr, "BACnet plugin: Multistate_Input_Valid_Instance(obj_ID=%%u) called!\n", object _instance);
Edouard@2020:     return (Multistate_Input_Instance_To_Index(object_instance) < MAX_MULTISTATE_INPUTS);
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /* the number of Multistate Value Objects */
Edouard@2020: /* This is a callback function. Callback set in My_Object_Table[] array declared in device.c,  */
Edouard@2020: unsigned Multistate_Input_Count(void) {return MAX_MULTISTATE_INPUTS;}
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /* returns the instance (i.e. Object Identifier) that correlates to the correct index */
Edouard@2020: /* This is a callback function. Callback set in My_Object_Table[] array declared in device.c,  */
Edouard@2020: uint32_t Multistate_Input_Index_To_Instance(unsigned index) {return MSI_Descr[index].Object_Identifier;}
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /* returns the index that correlates to the correct instance number (Object Identifier) */
Edouard@2020: unsigned Multistate_Input_Instance_To_Index(
Edouard@2020:     uint32_t object_instance)
Edouard@2020: {
Edouard@2020:     unsigned index = 0;
Edouard@2020:   
Edouard@2020:     for (index = 0; index < MAX_MULTISTATE_INPUTS; index++)
Edouard@2020:         if (object_instance == MSI_Descr[index].Object_Identifier)
Edouard@2020:             return index;
Edouard@2020: 
Edouard@2020:     /* error, this object ID is not in our list! */
Edouard@2020:     return MAX_MULTISTATE_INPUTS;
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: uint32_t Multistate_Input_Present_Value(
Edouard@2020:     uint32_t object_instance)
Edouard@2020: {
Edouard@2020:     uint32_t value = MSI_VALUE_INIT;
Edouard@2020:     unsigned index = 0; /* offset from instance lookup */
Edouard@2020: 
Edouard@2020:     index = Multistate_Input_Instance_To_Index(object_instance);
Edouard@2020:     if (index < MAX_MULTISTATE_INPUTS)
Edouard@2020:         value = MSI_Descr[index].Present_Value;
Edouard@2020: 
Edouard@2020:     return value;
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: bool Multistate_Input_Present_Value_Set(
Edouard@2020:     uint32_t object_instance,
Edouard@2020:     uint32_t value)
Edouard@2020: {
Edouard@2020:     unsigned index = 0; /* offset from instance lookup */
Edouard@2020: 
Edouard@2020:     index = Multistate_Input_Instance_To_Index(object_instance);
Edouard@2020:     if (index >= MAX_MULTISTATE_INPUTS)
Edouard@2020:       return false;
Edouard@2020: 
Edouard@2020:     if ((value == 0) || (value > MSI_Descr[index].Number_Of_States))
Edouard@2020:       return false;
Edouard@2020:       
Edouard@2020:     MSI_Descr[index].Present_Value = (uint8_t) value;
Edouard@2020:     return true;
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: bool Multistate_Input_Out_Of_Service(
Edouard@2020:     uint32_t object_instance)
Edouard@2020: {
Edouard@2020:     bool value = false;
Edouard@2020:     unsigned index = 0;
Edouard@2020: 
Edouard@2020:     index = Multistate_Input_Instance_To_Index(object_instance);
Edouard@2020:     if (index < MAX_MULTISTATE_INPUTS) {
Edouard@2020:         value = MSI_Descr[index].Out_Of_Service;
Edouard@2020:     }
Edouard@2020: 
Edouard@2020:     return value;
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: void Multistate_Input_Out_Of_Service_Set(
Edouard@2020:     uint32_t object_instance,
Edouard@2020:     bool value)
Edouard@2020: {
Edouard@2020:     unsigned index = 0;
Edouard@2020: 
Edouard@2020:     index = Multistate_Input_Instance_To_Index(object_instance);
Edouard@2020:     if (index < MAX_MULTISTATE_INPUTS) {
Edouard@2020:         MSI_Descr[index].Out_Of_Service = value;
Edouard@2020:     }
Edouard@2020: 
Edouard@2020:     return;
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: static char *Multistate_Input_Description(
Edouard@2020:     uint32_t object_instance)
Edouard@2020: {
Edouard@2020:     unsigned index = 0; /* offset from instance lookup */
Edouard@2020:     char *pName = NULL; /* return value */
Edouard@2020: 
Edouard@2020:     index = Multistate_Input_Instance_To_Index(object_instance);
Edouard@2020:     if (index < MAX_MULTISTATE_INPUTS) {
Edouard@2020:         pName = MSI_Descr[index].Description;
Edouard@2020:     }
Edouard@2020: 
Edouard@2020:     return pName;
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /* This is a callback function. Callback set in My_Object_Table[] array declared in device.c,  */
Edouard@2020: bool Multistate_Input_Object_Name(
Edouard@2020:     uint32_t object_instance,
Edouard@2020:     BACNET_CHARACTER_STRING * object_name)
Edouard@2020: {
Edouard@2020:     unsigned index = 0; /* offset from instance lookup */
Edouard@2020:     bool status = false;
Edouard@2020: 
Edouard@2020:     index = Multistate_Input_Instance_To_Index(object_instance);
Edouard@2020:     if (index < MAX_MULTISTATE_INPUTS) {
Edouard@2020:         status = characterstring_init_ansi(object_name, MSI_Descr[index].Object_Name);
Edouard@2020:     }
Edouard@2020: 
Edouard@2020:     return status;
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /* return apdu len, or BACNET_STATUS_ERROR on error */
Edouard@2020: /* This is a callback function. Callback set in My_Object_Table[] array declared in device.c,  */
Edouard@2020: int Multistate_Input_Read_Property(
Edouard@2020:     BACNET_READ_PROPERTY_DATA * rpdata)
Edouard@2020: {
Edouard@2020:     int len = 0;
Edouard@2020:     int apdu_len = 0;   /* return value */
Edouard@2020:     BACNET_BIT_STRING bit_string;
Edouard@2020:     BACNET_CHARACTER_STRING char_string;
Edouard@2020:     uint32_t present_value = 0;
Edouard@2020:     unsigned object_index = 0;
Edouard@2020:     unsigned i = 0;
Edouard@2020:     bool state = false;
Edouard@2020:     uint8_t *apdu = NULL;
Edouard@2020: 
Edouard@2020:     if ((rpdata == NULL) || (rpdata->application_data == NULL) ||
Edouard@2020:         (rpdata->application_data_len == 0)) {
Edouard@2020:         return 0;
Edouard@2020:     }
Edouard@2020: 
Edouard@2020:     object_index = Multistate_Input_Instance_To_Index(rpdata->object_instance);
Edouard@2020:     if (object_index >= MAX_MULTISTATE_INPUTS) {
Edouard@2020:         rpdata->error_class = ERROR_CLASS_OBJECT;
Edouard@2020:         rpdata->error_code  = ERROR_CODE_UNKNOWN_OBJECT;
Edouard@2020:         return BACNET_STATUS_ERROR;
Edouard@2020:     }
Edouard@2020: 
Edouard@2020:     apdu = rpdata->application_data;
Edouard@2020:     switch (rpdata->object_property) {
Edouard@2020:         case PROP_OBJECT_IDENTIFIER:
Edouard@2020:             apdu_len =
Edouard@2020:                 encode_application_object_id(&apdu[0],
Edouard@2020:                 OBJECT_MULTI_STATE_INPUT, rpdata->object_instance);
Edouard@2020:             break;
Edouard@2020:         case PROP_OBJECT_NAME:
Edouard@2020:             Multistate_Input_Object_Name(rpdata->object_instance,
Edouard@2020:                 &char_string);
Edouard@2020:             apdu_len =
Edouard@2020:                 encode_application_character_string(&apdu[0], &char_string);
Edouard@2020:             break;
Edouard@2020:         case PROP_DESCRIPTION:
Edouard@2020:             characterstring_init_ansi(&char_string,
Edouard@2020:                 Multistate_Input_Description(rpdata->object_instance));
Edouard@2020:             apdu_len =
Edouard@2020:                 encode_application_character_string(&apdu[0], &char_string);
Edouard@2020:             break;
Edouard@2020:         case PROP_OBJECT_TYPE:
Edouard@2020:             apdu_len =
Edouard@2020:                 encode_application_enumerated(&apdu[0],
Edouard@2020:                 OBJECT_MULTI_STATE_INPUT);
Edouard@2020:             break;
Edouard@2020:         case PROP_PRESENT_VALUE:
Edouard@2020:             present_value =
Edouard@2020:                 Multistate_Input_Present_Value(rpdata->object_instance);
Edouard@2020:             apdu_len = encode_application_unsigned(&apdu[0], present_value);
Edouard@2020:             break;
Edouard@2020:         case PROP_STATUS_FLAGS:
Edouard@2020:             /* note: see the details in the standard on how to use these */
Edouard@2020:             bitstring_init(&bit_string);
Edouard@2020:             bitstring_set_bit(&bit_string, STATUS_FLAG_IN_ALARM, false);
Edouard@2020:             bitstring_set_bit(&bit_string, STATUS_FLAG_FAULT, false);
Edouard@2020:             bitstring_set_bit(&bit_string, STATUS_FLAG_OVERRIDDEN, false);
Edouard@2020:             if (Multistate_Input_Out_Of_Service(rpdata->object_instance)) {
Edouard@2020:                 bitstring_set_bit(&bit_string, STATUS_FLAG_OUT_OF_SERVICE,
Edouard@2020:                     true);
Edouard@2020:             } else {
Edouard@2020:                 bitstring_set_bit(&bit_string, STATUS_FLAG_OUT_OF_SERVICE,
Edouard@2020:                     false);
Edouard@2020:             }
Edouard@2020:             apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
Edouard@2020:             break;
Edouard@2020:         case PROP_EVENT_STATE:
Edouard@2020:             /* note: see the details in the standard on how to use this */
Edouard@2020:             apdu_len =
Edouard@2020:                 encode_application_enumerated(&apdu[0], EVENT_STATE_NORMAL);
Edouard@2020:             break;
Edouard@2020:         case PROP_OUT_OF_SERVICE:
Edouard@2020:             state = MSI_Descr[object_index].Out_Of_Service;
Edouard@2020:             apdu_len = encode_application_boolean(&apdu[0], state);
Edouard@2020:             break;
Edouard@2020:         case PROP_NUMBER_OF_STATES:
Edouard@2020:             apdu_len =
Edouard@2020:                 encode_application_unsigned(&apdu[apdu_len],
Edouard@2020:                 MSI_Descr[object_index].Number_Of_States);
Edouard@2020:             break;
Edouard@2020:         case PROP_STATE_TEXT:
Edouard@2020:             BACnet_encode_array(MSI_Descr[object_index].State_Text,
Edouard@2020:                                 MSI_Descr[object_index].Number_Of_States,
Edouard@2020:                                 retfalse, BACnet_encode_character_string);
Edouard@2020:             break;
Edouard@2020: //      case PROP_PROPERTY_LIST:
Edouard@2020: //          BACnet_encode_array(Multistate_Input_Properties_List,
Edouard@2020: //                              property_list_count(Multistate_Input_Properties_List),
Edouard@2020: //                              retfalse, encode_application_enumerated);
Edouard@2020: //          break;
Edouard@2020:         default:
Edouard@2020:             rpdata->error_class = ERROR_CLASS_PROPERTY;
Edouard@2020:             rpdata->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
Edouard@2020:             apdu_len = BACNET_STATUS_ERROR;
Edouard@2020:             break;
Edouard@2020:     }
Edouard@2020:     /*  only array properties can have array options */
Edouard@2020:     if ((apdu_len >= 0) && (rpdata->object_property != PROP_STATE_TEXT) &&
Edouard@2020: //      (rpdata->object_property != PROP_PROPERTY_LIST) &&
Edouard@2020:         (rpdata->array_index != BACNET_ARRAY_ALL)) {
Edouard@2020:         rpdata->error_class = ERROR_CLASS_PROPERTY;
Edouard@2020:         rpdata->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
Edouard@2020:         apdu_len = BACNET_STATUS_ERROR;
Edouard@2020:     }
Edouard@2020: 
Edouard@2020:     return apdu_len;
Edouard@2020: }
Edouard@2020: 
Edouard@2020: /* returns true if successful */
Edouard@2020: /* This is a callback function. Callback set in My_Object_Table[] array declared in device.c,  */
Edouard@2020: bool Multistate_Input_Write_Property(
Edouard@2020:     BACNET_WRITE_PROPERTY_DATA * wp_data)
Edouard@2020: {
Edouard@2020:     bool status = false;        /* return value */
Edouard@2020:     int len = 0;
Edouard@2020:     unsigned object_index = 0;
Edouard@2020:     BACNET_APPLICATION_DATA_VALUE value;
Edouard@2020: 
Edouard@2020:     /* decode the some of the request */
Edouard@2020:     len =
Edouard@2020:         bacapp_decode_application_data(wp_data->application_data,
Edouard@2020:         wp_data->application_data_len, &value);
Edouard@2020:     /* FIXME: len < application_data_len: more data? */
Edouard@2020:     if (len < 0) {
Edouard@2020:         /* error while decoding - a value larger than we can handle */
Edouard@2020:         wp_data->error_class = ERROR_CLASS_PROPERTY;
Edouard@2020:         wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
Edouard@2020:         return false;
Edouard@2020:     }
Edouard@2020:     if ((wp_data->object_property != PROP_STATE_TEXT) &&
Edouard@2020:         (wp_data->array_index != BACNET_ARRAY_ALL)) {
Edouard@2020:         /*  only array properties can have array options */
Edouard@2020:         wp_data->error_class = ERROR_CLASS_PROPERTY;
Edouard@2020:         wp_data->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
Edouard@2020:         return false;
Edouard@2020:     }
Edouard@2020:     /* No need to check whether object_index is within bounds.
Edouard@2020:      * Has already been checked before Multistate_Input_Write_Property() is called
Edouard@2020:      */
Edouard@2020:     object_index = Multistate_Input_Instance_To_Index(wp_data->object_instance);
Edouard@2020: 
Edouard@2020:     switch (wp_data->object_property) {
Edouard@2020:         case PROP_PRESENT_VALUE:
Edouard@2020:             status =
Edouard@2020:                 WPValidateArgType(&value, BACNET_APPLICATION_TAG_UNSIGNED_INT,
Edouard@2020:                 &wp_data->error_class, &wp_data->error_code);
Edouard@2020:             if (!status) {
Edouard@2020:                 wp_data->error_class = ERROR_CLASS_PROPERTY;
Edouard@2020:                 wp_data->error_code  = ERROR_CODE_INVALID_DATA_TYPE;
Edouard@2020:                 status = false; // not really necessary here.
Edouard@2020:             } else {
Edouard@2020:                 if (!MSI_Descr[object_index].Out_Of_Service) {
Edouard@2020:                     /* input objects can only be written to when Out_Of_Service is true! */
Edouard@2020:                     wp_data->error_class = ERROR_CLASS_PROPERTY;
Edouard@2020:                     wp_data->error_code  = ERROR_CODE_WRITE_ACCESS_DENIED;
Edouard@2020:                     status = false;
Edouard@2020:                 } else {
Edouard@2020:                     status =
Edouard@2020:                         Multistate_Input_Present_Value_Set
Edouard@2020:                         (wp_data->object_instance, value.type.Unsigned_Int);
Edouard@2020:                     if (!status) {
Edouard@2020:                         wp_data->error_class = ERROR_CLASS_PROPERTY;
Edouard@2020:                         wp_data->error_code  = ERROR_CODE_VALUE_OUT_OF_RANGE;
Edouard@2020:                         status = false; // not really necessary here.
Edouard@2020:                     }
Edouard@2020:                 }
Edouard@2020:             }
Edouard@2020:             break;
Edouard@2020:         case PROP_OUT_OF_SERVICE:
Edouard@2020:         {
Edouard@2020:             bool Previous_Out_Of_Service = MSI_Descr[object_index].Out_Of_Service;
Edouard@2020:             status =
Edouard@2020:                 WPValidateArgType(&value, BACNET_APPLICATION_TAG_BOOLEAN,
Edouard@2020:                 &wp_data->error_class, &wp_data->error_code);
Edouard@2020:             if (status) {
Edouard@2020:                 MSI_Descr[object_index].Out_Of_Service = value.type.Boolean;
Edouard@2020:                 if (Previous_Out_Of_Service && !MSI_Descr[object_index].Out_Of_Service)
Edouard@2020:                     /* We have just changed from Out_of_Service -> In Service */
Edouard@2020:                     /* We need to update the Present_Value to the value
Edouard@2020:                      * currently in the PLC...
Edouard@2020:                      */
Edouard@2020:                     MSI_Descr[object_index].Present_Value =
Edouard@2020:                                            *(MSI_Descr[object_index].Located_Var_ptr);
Edouard@2020:             }
Edouard@2020:             break;
Edouard@2020:         }
Edouard@2020:         case PROP_OBJECT_IDENTIFIER:
Edouard@2020:         case PROP_OBJECT_NAME:
Edouard@2020:         case PROP_OBJECT_TYPE:
Edouard@2020:         case PROP_STATUS_FLAGS:
Edouard@2020:         case PROP_EVENT_STATE:
Edouard@2020:         case PROP_NUMBER_OF_STATES:
Edouard@2020:         case PROP_DESCRIPTION:
Edouard@2020:         case PROP_STATE_TEXT:
Edouard@2020: //      case PROP_PROPERTY_LIST:
Edouard@2020:             wp_data->error_class = ERROR_CLASS_PROPERTY;
Edouard@2020:             wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
Edouard@2020:             break;
Edouard@2020:         default:
Edouard@2020:             wp_data->error_class = ERROR_CLASS_PROPERTY;
Edouard@2020:             wp_data->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
Edouard@2020:             break;
Edouard@2020:     }
Edouard@2020: 
Edouard@2020:     return status;
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: /********************************************/
Edouard@2020: /** Functions required for Beremiz plugin  **/
Edouard@2020: /********************************************/
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: void  Multistate_Input_Copy_Present_Value_to_Located_Var(void) {
Edouard@2020:     unsigned i;
Edouard@2020:     for (i = 0; i < MAX_MULTISTATE_INPUTS; i++) {
Edouard@2020:         // decouple PLC's Located Variable from Bacnet Object's Present Value if Out_Of_Service is true
Edouard@2020:         if (MSI_Descr[i].Out_Of_Service)
Edouard@2020:             continue;
Edouard@2020: 
Edouard@2020:         // copy the value
Edouard@2020:         *(MSI_Descr[i].Located_Var_ptr) = Multistate_Input_Present_Value(MSI_Descr[i].Object_Identifier);
Edouard@2020:     }
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: 
Edouard@2020: void  Multistate_Input_Copy_Located_Var_to_Present_Value(void) {
Edouard@2020:     unsigned i;
Edouard@2020:     for (i = 0; i < MAX_MULTISTATE_INPUTS; i++) {
Edouard@2020:         // decouple PLC's Located Variable from Bacnet Object's Present Value if Out_Of_Service is true
Edouard@2020:         if (MSI_Descr[i].Out_Of_Service)
Edouard@2020:             continue;
Edouard@2020: 
Edouard@2020:         // Make sure local device does not set Present_Value to 0, nor higher than Number_Of_States
Edouard@2020:         if ((*(MSI_Descr[i].Located_Var_ptr) >  MSI_Descr[i].Number_Of_States) ||
Edouard@2020:             (*(MSI_Descr[i].Located_Var_ptr) == 0))
Edouard@2020:             continue;
Edouard@2020: 
Edouard@2020:         // Everything seems to be OK. Copy the value
Edouard@2020:         MSI_Descr[i].Present_Value = *(MSI_Descr[i].Located_Var_ptr);
Edouard@2020:     }
Edouard@2020: }
Edouard@2020: 
Edouard@2020: 
Edouard@2020: