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bacnet_stack/src/bacnet/write_group.h
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C

/**
* @file
* @brief API for BACnet WriteGroup service encoder and decoder
* @author Steve Karg <skarg@users.sourceforge.net>
* @date 2024
* @copyright SPDX-License-Identifier: MIT
*/
#ifndef BACNET_WRITE_GROUP_H
#define BACNET_WRITE_GROUP_H
#include <stdint.h>
#include <stdbool.h>
/* BACnet Stack defines - first */
#include "bacnet/bacdef.h"
/* BACnet Stack API */
#include "bacnet/bacdcode.h"
#include "bacnet/bacapp.h"
#include "bacnet/channel_value.h"
/**
* BACnetGroupChannelValue ::= SEQUENCE {
* channel [0] Unsigned16,
* overriding-priority [1] Unsigned (1..16) OPTIONAL,
* value BACnetChannelValue
* }
*/
struct BACnet_Group_Channel_Value;
typedef struct BACnet_Group_Channel_Value {
uint16_t channel;
uint8_t overriding_priority;
BACNET_CHANNEL_VALUE value;
struct BACnet_Group_Channel_Value *next;
} BACNET_GROUP_CHANNEL_VALUE;
typedef enum {
WRITE_GROUP_INHIBIT_DELAY_NONE = 0,
WRITE_GROUP_INHIBIT_DELAY_TRUE = 1,
WRITE_GROUP_INHIBIT_DELAY_FALSE = 2
} WRITE_GROUP_INHIBIT_DELAY;
/**
* WriteGroup-Request ::= SEQUENCE {
* group-number [0] Unsigned32,
* write-priority [1] Unsigned (1..16),
* change-list [2] SEQUENCE OF BACnetGroupChannelValue,
* inhibit-delay [3] BOOLEAN OPTIONAL
* }
*/
struct BACnet_Write_Group_Data;
typedef struct BACnet_Write_Group_Data {
uint32_t group_number;
uint8_t write_priority;
/* simple linked list of values */
BACNET_GROUP_CHANNEL_VALUE change_list;
WRITE_GROUP_INHIBIT_DELAY inhibit_delay;
struct BACnet_Write_Group_Data *next;
} BACNET_WRITE_GROUP_DATA;
/**
* @brief generic callback for WriteGroup-Request iterator
* @param data [in] The contents of the WriteGroup-Request message
* @param change_list_index [in] The index of the current value in the change
* list
* @param change_list [in] The current value in the change list
*/
typedef void (*BACnet_Write_Group_Callback)(
BACNET_WRITE_GROUP_DATA *data,
uint32_t change_list_index,
BACNET_GROUP_CHANNEL_VALUE *change_list);
struct BACnet_Write_Group_Notification;
typedef struct BACnet_Write_Group_Notification {
struct BACnet_Write_Group_Notification *next;
BACnet_Write_Group_Callback callback;
} BACNET_WRITE_GROUP_NOTIFICATION;
/**
* @brief Process a WriteGroup-Request message, one value at a time
* @param device_id [in] The device ID of the source of the message
* @param data [in] The contents of the WriteGroup-Request message
*/
typedef void (*write_group_request_process)(
uint32_t device_id, BACNET_WRITE_GROUP_DATA *data);
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
BACNET_STACK_EXPORT
int bacnet_write_group_encode(
uint8_t *apdu, const BACNET_WRITE_GROUP_DATA *data);
BACNET_STACK_EXPORT
bool bacnet_write_group_same(
const BACNET_WRITE_GROUP_DATA *data1, const BACNET_WRITE_GROUP_DATA *data2);
BACNET_STACK_EXPORT
size_t bacnet_write_group_service_request_encode(
uint8_t *apdu, size_t apdu_size, const BACNET_WRITE_GROUP_DATA *data);
BACNET_STACK_EXPORT
int bacnet_write_group_service_request_decode(
const uint8_t *apdu, size_t apdu_size, BACNET_WRITE_GROUP_DATA *data);
BACNET_STACK_EXPORT
int bacnet_write_group_service_request_decode_iterate(
const uint8_t *apdu,
size_t apdu_size,
BACNET_WRITE_GROUP_DATA *data,
BACnet_Write_Group_Callback callback);
BACNET_STACK_EXPORT
bool bacnet_write_group_copy(
BACNET_WRITE_GROUP_DATA *dest, const BACNET_WRITE_GROUP_DATA *src);
BACNET_STACK_EXPORT
bool bacnet_group_change_list_same(
const BACNET_GROUP_CHANNEL_VALUE *head1,
const BACNET_GROUP_CHANNEL_VALUE *head2);
BACNET_STACK_EXPORT
unsigned bacnet_write_group_change_list_count(BACNET_WRITE_GROUP_DATA *data);
BACNET_STACK_EXPORT
bool bacnet_write_group_change_list_append(
BACNET_WRITE_GROUP_DATA *data, BACNET_GROUP_CHANNEL_VALUE *element);
BACNET_STACK_EXPORT
bool bacnet_write_group_change_list_array_link(
BACNET_WRITE_GROUP_DATA *data,
BACNET_GROUP_CHANNEL_VALUE *array,
size_t size);
BACNET_STACK_EXPORT
BACNET_GROUP_CHANNEL_VALUE *bacnet_write_group_change_list_element(
BACNET_WRITE_GROUP_DATA *data, unsigned index);
BACNET_STACK_EXPORT
void bacnet_write_group_channel_value_process(
uint8_t *apdu,
size_t apdu_len,
BACNET_WRITE_GROUP_DATA *data,
write_group_request_process callback);
BACNET_STACK_EXPORT
int bacnet_group_channel_value_encode(
uint8_t *apdu, const BACNET_GROUP_CHANNEL_VALUE *value);
BACNET_STACK_EXPORT
int bacnet_group_channel_value_decode(
const uint8_t *apdu, size_t apdu_size, BACNET_GROUP_CHANNEL_VALUE *value);
BACNET_STACK_EXPORT
bool bacnet_group_channel_value_same(
const BACNET_GROUP_CHANNEL_VALUE *value1,
const BACNET_GROUP_CHANNEL_VALUE *value2);
BACNET_STACK_EXPORT
bool bacnet_group_channel_value_copy(
BACNET_GROUP_CHANNEL_VALUE *dest, const BACNET_GROUP_CHANNEL_VALUE *src);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif