1 /**************************************************************************

     2 *

     3 * Copyright (C) 2012 Steve Karg <skarg@users.sourceforge.net>

     4 * Copyright (C) 2017 Mario de Sousa <msousa@fe.up.pt>

     5 *

     6 * Permission is hereby granted, free of charge, to any person obtaining

     7 * a copy of this software and associated documentation files (the

     8 * "Software"), to deal in the Software without restriction, including

     9 * without limitation the rights to use, copy, modify, merge, publish,

    10 * distribute, sublicense, and/or sell copies of the Software, and to

    11 * permit persons to whom the Software is furnished to do so, subject to

    12 * the following conditions:

    13 *

    14 * The above copyright notice and this permission notice shall be included

    15 * in all copies or substantial portions of the Software.

    16 *

    17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

    18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

    19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

    20 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

    21 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

    22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

    23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

    24 *

    25 *********************************************************************/

    26 #ifndef MULTISTATE_INPUT_H

    27 #define MULTISTATE_INPUT_H

    28 

    29 #include <stdbool.h>

    30 #include <stdint.h>

    31 #include "bacdef.h"

    32 #include "bacerror.h"

    33 #include "rp.h"

    34 #include "wp.h"

    35 

    36 #ifdef __cplusplus

    37 extern "C" {

    38 #endif /* __cplusplus */

    39 

    40 

    41 /* MultiState Inputs are encoded in unsigned integer

    42  * (in BACnet => uint8_t), and can not be 0.

    43  * See ASHRAE 135-2016, section 12.20.4

    44  */

    45 #define MULTISTATE_MAX_NUMBER_OF_STATES (255)

    46 

    47 

    48     typedef struct Multistate_Input_descr {

    49         /* pointer to IEC 61131-3 located variable that is mapped onto this BACnet object */

    50         uint8_t *Located_Var_ptr;

    51         uint32_t Object_Identifier;  /* called object 'Instance' in the source code! */

    52         char    *Object_Name;   

    53         char    *Description;

    54         uint8_t  Number_Of_States;

    55 

    56         /* stores the current value */

    57         uint8_t Present_Value;

    58         /* Writable out-of-service allows others to manipulate our Present Value */

    59         bool Out_Of_Service;

    60         char State_Text[MULTISTATE_MAX_NUMBER_OF_STATES][64];

    61     } MULTISTATE_INPUT_DESCR;

    62 

    63 

    64     void Multistate_Input_Property_Lists(

    65         const int **pRequired,

    66         const int **pOptional,

    67         const int **pProprietary);

    68 

    69     bool Multistate_Input_Valid_Instance(

    70         uint32_t object_instance);

    71     unsigned Multistate_Input_Count(

    72         void);

    73     uint32_t Multistate_Input_Index_To_Instance(

    74         unsigned index);

    75     unsigned Multistate_Input_Instance_To_Index(

    76         uint32_t instance);

    77 

    78     int Multistate_Input_Read_Property(

    79         BACNET_READ_PROPERTY_DATA * rpdata);

    80 

    81     bool Multistate_Input_Write_Property(

    82         BACNET_WRITE_PROPERTY_DATA * wp_data);

    83 

    84     /* optional API */

    85     bool Multistate_Input_Object_Name(

    86         uint32_t object_instance,

    87         BACNET_CHARACTER_STRING * object_name);

    88 

    89     uint32_t Multistate_Input_Present_Value(

    90         uint32_t object_instance);

    91     bool Multistate_Input_Present_Value_Set(

    92         uint32_t object_instance,

    93         uint32_t value);

    94 

    95     bool Multistate_Input_Out_Of_Service(

    96         uint32_t object_instance);

    97     void Multistate_Input_Out_Of_Service_Set(

    98         uint32_t object_instance,

    99         bool value);

   100 

   101     void Multistate_Input_Init(

   102         void);

   103 

   104 

   105 

   106 #ifdef __cplusplus

   107 }

   108 #endif /* __cplusplus */

   109 #endif