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Add multi-device support for BACnet gateway routing (#1279)

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* Expanded Object_List to Object_List[MAX_NUM_DEVICES] array to support per-device objects for virtual remote devices
* Added multi-device iteration for COV handler, device timer, and intrinsic reporting
* Added apps/gateway2 demo application
* When MAX_NUM_DEVICES == 1, behavior is identical to the original implementation
* Conditional compilation with macros ensures no impact on non-gateway applications

---------

Signed-off-by: Hyeongjun Kim <hjun1.kim@samsung.com>
Co-authored-by: haemeok-kang <haemeok.kang@samsung.com>
This commit is contained in:
Hyeongjun Kim
2026-03-31 04:16:17 +09:00
committed by GitHub
parent b8dd89b879
commit f408b6eb7f
54 changed files with 2592 additions and 586 deletions
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src/bacnet/basic/object/nc.c
+34 -15
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@@ -34,7 +34,13 @@
#endif
#if defined(INTRINSIC_REPORTING)
static NOTIFICATION_CLASS_INFO NC_Info[MAX_NOTIFICATION_CLASSES];
static NOTIFICATION_CLASS_INFO NC_Infos[MAX_NUM_DEVICES]
[MAX_NOTIFICATION_CLASSES];
#ifdef BAC_ROUTING
#define NC_Info (NC_Infos[Routed_Device_Object_Index()])
#else
#define NC_Info (NC_Infos[0])
#endif
/* buffer for sending event messages */
static uint8_t Event_Buffer[MAX_APDU];
@@ -119,25 +125,38 @@ static void Notification_Class_I_Am_Router_To_Network_Handler(
void Notification_Class_Init(void)
{
uint16_t dev_id;
uint8_t NotifyIdx = 0;
unsigned i;
#ifdef BAC_ROUTING
uint16_t current_dev_id = Routed_Device_Object_Index();
#endif
for (NotifyIdx = 0; NotifyIdx < MAX_NOTIFICATION_CLASSES; NotifyIdx++) {
/* init with zeros */
memset(&NC_Info[NotifyIdx], 0x00, sizeof(NOTIFICATION_CLASS_INFO));
/* set the basic parameters */
NC_Info[NotifyIdx].Ack_Required = 0;
/* The lowest priority for Normal message = 255 */
NC_Info[NotifyIdx].Priority[TRANSITION_TO_OFFNORMAL] = 255;
NC_Info[NotifyIdx].Priority[TRANSITION_TO_FAULT] = 255;
NC_Info[NotifyIdx].Priority[TRANSITION_TO_NORMAL] = 255;
/* note: default uses wildcard device destination */
for (i = 0; i < NC_MAX_RECIPIENTS; i++) {
BACNET_DESTINATION *destination;
destination = &NC_Info[NotifyIdx].Recipient_List[i];
bacnet_destination_default_init(destination);
for (dev_id = 0; dev_id < MAX_NUM_DEVICES; dev_id++) {
#ifdef BAC_ROUTING
Set_Routed_Device_Object_Index(dev_id);
#endif
for (NotifyIdx = 0; NotifyIdx < MAX_NOTIFICATION_CLASSES; NotifyIdx++) {
/* init with zeros */
memset(&NC_Info[NotifyIdx], 0x00, sizeof(NOTIFICATION_CLASS_INFO));
/* set the basic parameters */
NC_Info[NotifyIdx].Ack_Required = 0;
/* The lowest priority for Normal message = 255 */
NC_Info[NotifyIdx].Priority[TRANSITION_TO_OFFNORMAL] = 255;
NC_Info[NotifyIdx].Priority[TRANSITION_TO_FAULT] = 255;
NC_Info[NotifyIdx].Priority[TRANSITION_TO_NORMAL] = 255;
/* note: default uses wildcard device destination */
for (i = 0; i < NC_MAX_RECIPIENTS; i++) {
BACNET_DESTINATION *destination;
destination = &NC_Info[NotifyIdx].Recipient_List[i];
bacnet_destination_default_init(destination);
}
}
}
#ifdef BAC_ROUTING
Set_Routed_Device_Object_Index(current_dev_id);
#endif
npdu_set_i_am_router_to_network_handler(
Notification_Class_I_Am_Router_To_Network_Handler);