Bugfix/bacmini-updates-with-program-object-and-cmake (#941)
* Added bacmini example app with minimal analog and binary objects (#934) * Fixed bacmini app build for Makefile and CMake * Changed the folder for bacmini application to server-mini --------- Co-authored-by: Ben Bartling <ben.bartling@gmail.com>
This commit is contained in:
Steve Karg
+5
-1
@@ -222,7 +222,7 @@ SUBDIRS = lib readprop writeprop readfile writefile reinit server dcc \
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whohas whois iam ucov scov timesync epics readpropm readrange \
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writepropm uptransfer getevent uevent abort error event ack-alarm \
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server-client add-list-element remove-list-element create-object \
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delete-object server-discover apdu writegroup server-basic
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delete-object server-discover apdu writegroup server-basic server-mini
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ifeq (${BACDL_DEFINE},-DBACDL_BIP=1)
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SUBDIRS += whoisrouter iamrouter initrouter whatisnetnum netnumis
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@@ -423,6 +423,10 @@ server-client: $(BACNET_LIB_TARGET)
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server-discover: $(BACNET_LIB_TARGET)
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$(MAKE) -B -C $@
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.PHONY: server-mini
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server-mini: $(BACNET_LIB_TARGET)
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$(MAKE) -B -C $@
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.PHONY: timesync
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timesync: $(BACNET_LIB_TARGET)
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$(MAKE) -B -C $@
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@@ -0,0 +1,81 @@
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# Makefile to build the bacmini application using GCC compiler
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# Executable file name
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TARGET = bacmini
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# No additional BACnet dependencies for now
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SRC = main.c
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# BACnet objects that are used with this app
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BACNET_OBJECT_DIR = $(BACNET_SRC_DIR)/bacnet/basic/object
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SRC = main.c \
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$(BACNET_OBJECT_DIR)/device.c \
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$(BACNET_OBJECT_DIR)/ai.c \
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$(BACNET_OBJECT_DIR)/ao.c \
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$(BACNET_OBJECT_DIR)/av.c \
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$(BACNET_OBJECT_DIR)/bi.c \
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$(BACNET_OBJECT_DIR)/bitstring_value.c \
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$(BACNET_OBJECT_DIR)/bo.c \
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$(BACNET_OBJECT_DIR)/blo.c \
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$(BACNET_OBJECT_DIR)/bv.c \
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$(BACNET_OBJECT_DIR)/calendar.c \
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$(BACNET_OBJECT_DIR)/channel.c \
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$(BACNET_OBJECT_DIR)/color_object.c \
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$(BACNET_OBJECT_DIR)/color_temperature.c \
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$(BACNET_OBJECT_DIR)/command.c \
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$(BACNET_OBJECT_DIR)/csv.c \
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$(BACNET_OBJECT_DIR)/iv.c \
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$(BACNET_OBJECT_DIR)/lc.c \
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$(BACNET_OBJECT_DIR)/lo.c \
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$(BACNET_OBJECT_DIR)/lsp.c \
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$(BACNET_OBJECT_DIR)/lsz.c \
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$(BACNET_OBJECT_DIR)/ms-input.c \
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$(BACNET_OBJECT_DIR)/mso.c \
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$(BACNET_OBJECT_DIR)/msv.c \
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$(BACNET_OBJECT_DIR)/osv.c \
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$(BACNET_OBJECT_DIR)/piv.c \
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$(BACNET_OBJECT_DIR)/nc.c \
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$(BACNET_OBJECT_DIR)/netport.c \
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$(BACNET_OBJECT_DIR)/program.c \
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$(BACNET_OBJECT_DIR)/time_value.c \
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$(BACNET_OBJECT_DIR)/trendlog.c \
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$(BACNET_OBJECT_DIR)/schedule.c \
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$(BACNET_OBJECT_DIR)/structured_view.c \
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$(BACNET_OBJECT_DIR)/access_credential.c \
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$(BACNET_OBJECT_DIR)/access_door.c \
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$(BACNET_OBJECT_DIR)/access_point.c \
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$(BACNET_OBJECT_DIR)/access_rights.c \
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$(BACNET_OBJECT_DIR)/access_user.c \
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$(BACNET_OBJECT_DIR)/access_zone.c \
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$(BACNET_OBJECT_DIR)/credential_data_input.c \
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$(BACNET_OBJECT_DIR)/acc.c \
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$(BACNET_OBJECT_DIR)/bacfile.c
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# TARGET_EXT is defined in apps/Makefile as .exe or nothing
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TARGET_BIN = ${TARGET}$(TARGET_EXT)
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OBJS += ${SRC:.c=.o}
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all: ${BACNET_LIB_TARGET} Makefile ${TARGET_BIN}
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${TARGET_BIN}: ${OBJS} Makefile ${BACNET_LIB_TARGET}
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${CC} ${PFLAGS} ${OBJS} ${LFLAGS} -o $@
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size $@
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cp $@ ../../bin
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${BACNET_LIB_TARGET}:
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( cd ${BACNET_LIB_DIR} ; $(MAKE) clean ; $(MAKE) -s )
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.c.o:
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${CC} -c ${CFLAGS} $*.c -o $@
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.PHONY: depend
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depend:
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rm -f .depend
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${CC} -MM ${CFLAGS} *.c >> .depend
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.PHONY: clean
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clean:
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rm -f core ${TARGET_BIN} ${OBJS} $(TARGET).map ${BACNET_LIB_TARGET}
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.PHONY: include
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include: .depend
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@@ -0,0 +1,334 @@
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/**
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* @file
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* @brief Mini BACnet server example for prototyping
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*
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* This example provides a minimal BACnet server for prototyping
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* with the following default BACnet objects:
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* - Two Read-Only Points: (AV-0), (BV-0)
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* - Two Commandable (Writable) Points: (AO-0), (BO-0)
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*
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* If no arguments are provided, it defaults to:
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* - Device ID: 260001
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* - Device Name: "MiniServer"
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*
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* Usage on Linux
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* $ ./bacmini 54321 MiniDevice
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*
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* Where:
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* - 54321 is the BACnet Device Instance ID
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* - "MiniDevice" is the BACnet Device Name
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*
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* @date 2025
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*/
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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/* BACnet Stack includes */
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#include "bacnet/apdu.h"
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#include "bacnet/bacdcode.h"
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#include "bacnet/bacdef.h"
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#include "bacnet/bactext.h"
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#include "bacnet/basic/binding/address.h"
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#include "bacnet/basic/object/ao.h"
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#include "bacnet/basic/object/av.h"
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#include "bacnet/basic/object/bo.h"
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#include "bacnet/basic/object/bv.h"
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#include "bacnet/basic/object/device.h"
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#include "bacnet/basic/services.h"
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#include "bacnet/datalink/datalink.h"
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#include "bacnet/datalink/dlenv.h"
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#include "bacnet/dcc.h"
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#include "bacnet/getevent.h"
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#include "bacnet/iam.h"
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#include "bacnet/npdu.h"
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#include "bacnet/version.h"
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#include "bacnet/basic/service/h_apdu.h"
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#include "bacnet/basic/service/h_rp.h"
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#include "bacnet/basic/service/h_whois.h"
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#include "bacnet/basic/service/h_wp.h"
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#include "bacnet/basic/service/s_iam.h"
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#include "bacnet/basic/sys/platform.h"
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/* Buffers */
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static uint8_t Rx_Buf[MAX_MPDU] = { 0 };
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/* Update interval in seconds */
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/* Switches read only point values */
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#define INTERVAL 5
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typedef struct {
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char *binary_state;
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float analog_value;
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} TestValue;
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static TestValue test_values[] = {
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{ "active", 1.0 },
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{ "inactive", 2.0 },
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{ "active", 3.0 },
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{ "inactive", 4.0 },
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};
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/* BACnet Object Instances */
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static uint32_t av_instance;
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static uint32_t bv_instance;
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static uint32_t ao_instance;
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static uint32_t bo_instance;
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/* Custom Object Table */
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static object_functions_t My_Object_Table[] = {
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/* device object required for all devices */
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{ OBJECT_DEVICE,
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NULL,
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Device_Count,
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Device_Index_To_Instance,
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Device_Valid_Object_Instance_Number,
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Device_Object_Name,
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Device_Read_Property_Local,
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Device_Write_Property_Local,
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Device_Property_Lists,
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DeviceGetRRInfo,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL },
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/* Analog Value (Read-Only) */
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{ OBJECT_ANALOG_VALUE,
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Analog_Value_Init,
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Analog_Value_Count,
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Analog_Value_Index_To_Instance,
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Analog_Value_Valid_Instance,
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Analog_Value_Object_Name,
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Analog_Value_Read_Property,
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NULL,
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Analog_Value_Property_Lists,
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NULL,
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NULL,
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Analog_Value_Encode_Value_List,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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Analog_Value_Create,
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Analog_Value_Delete,
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NULL },
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/* Analog Output (Commandable) */
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{ OBJECT_ANALOG_OUTPUT,
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Analog_Output_Init,
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Analog_Output_Count,
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Analog_Output_Index_To_Instance,
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Analog_Output_Valid_Instance,
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Analog_Output_Object_Name,
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Analog_Output_Read_Property,
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Analog_Output_Write_Property, /* Allow writes */
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Analog_Output_Property_Lists,
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NULL,
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NULL,
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Analog_Output_Encode_Value_List,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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Analog_Output_Create,
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Analog_Output_Delete,
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NULL },
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/* Binary Output (Commandable) */
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{ OBJECT_BINARY_OUTPUT,
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Binary_Output_Init,
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Binary_Output_Count,
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Binary_Output_Index_To_Instance,
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Binary_Output_Valid_Instance,
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Binary_Output_Object_Name,
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Binary_Output_Read_Property,
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Binary_Output_Write_Property, /* Allow writes */
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Binary_Output_Property_Lists,
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NULL,
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NULL,
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Binary_Output_Encode_Value_List,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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Binary_Output_Create,
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Binary_Output_Delete,
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NULL },
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/* Binary Value (Read-Only) */
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{ OBJECT_BINARY_VALUE,
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Binary_Value_Init,
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Binary_Value_Count,
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Binary_Value_Index_To_Instance,
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Binary_Value_Valid_Instance,
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Binary_Value_Object_Name,
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Binary_Value_Read_Property,
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NULL,
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Binary_Value_Property_Lists,
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NULL,
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NULL,
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Binary_Value_Encode_Value_List,
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Binary_Value_Change_Of_Value,
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Binary_Value_Change_Of_Value_Clear,
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NULL,
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NULL,
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NULL,
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Binary_Value_Create,
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Binary_Value_Delete,
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NULL },
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{ MAX_BACNET_OBJECT_TYPE,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL }
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};
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/**
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* @brief Function to update AV-0 and BV-0 values.
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*/
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static void process_task(void)
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{
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static size_t test_index = 0;
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TestValue next_value = test_values[test_index];
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test_index = (test_index + 1) % ARRAY_SIZE(test_values);
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if (!Analog_Value_Out_Of_Service(av_instance)) {
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Analog_Value_Present_Value_Set(
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av_instance, next_value.analog_value, BACNET_NO_PRIORITY);
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printf("AV-0 updated to: %.1f\n", next_value.analog_value);
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}
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if (!Binary_Value_Out_Of_Service(bv_instance)) {
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Binary_Value_Present_Value_Set(
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bv_instance,
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strcmp(next_value.binary_state, "active") == 0 ? 1 : 0);
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printf("BV-0 updated to: %s\n", next_value.binary_state);
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}
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}
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/**
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* @brief Initializes the BACnet objects (AV-0, AO-0, BO-0, BV-0).
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*/
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static void Init_Service_Handlers(void)
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{
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Device_Init(My_Object_Table);
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av_instance = Analog_Value_Create(0);
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ao_instance = Analog_Output_Create(0);
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bo_instance = Binary_Output_Create(0);
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bv_instance = Binary_Value_Create(0);
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/* Configure read-only Analog Value */
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Analog_Value_Name_Set(av_instance, "AV Read Only");
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Analog_Value_Units_Set(av_instance, UNITS_DEGREES_CELSIUS);
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Analog_Value_Present_Value_Set(av_instance, 22.5, BACNET_MAX_PRIORITY);
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/* Configure writable Analog Output */
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Analog_Output_Name_Set(ao_instance, "AO Writeable");
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Analog_Output_Units_Set(ao_instance, UNITS_PERCENT);
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Analog_Output_Present_Value_Set(ao_instance, 50.0, BACNET_MAX_PRIORITY);
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/* Configure writable Binary Output */
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Binary_Output_Name_Set(bo_instance, "BO Writeable");
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Binary_Output_Present_Value_Set(bo_instance, 0, BACNET_MAX_PRIORITY);
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/* Configure read-only Binary Value */
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Binary_Value_Name_Set(bv_instance, "BV Read Only");
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printf("Created AV-0 (Read-Only), AO-0 (Commandable), BO-0 (Commandable), "
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"and BV-0 (Read-Only)\n");
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/* BACnet service handlers */
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apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_IS, handler_who_is);
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apdu_set_confirmed_handler(
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SERVICE_CONFIRMED_READ_PROPERTY, handler_read_property);
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apdu_set_confirmed_handler(
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SERVICE_CONFIRMED_WRITE_PROPERTY, handler_write_property);
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apdu_set_unrecognized_service_handler_handler(handler_unrecognized_service);
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}
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/**
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* @brief Main entry point for the BACnet server.
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*/
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int main(int argc, char *argv[])
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{
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BACNET_ADDRESS src = { 0 };
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uint16_t pdu_len = 0;
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unsigned timeout = 1000;
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time_t last_update_time = 0;
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time_t current_time;
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const char *device_name = "MiniServer"; /* Default device name */
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uint32_t device_instance = 123456; /* Default device instance ID */
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printf("Starting BACnet Server...\n");
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/* Handle command-line arguments */
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if (argc > 1) {
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device_instance = strtoul(argv[1], NULL, 10);
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}
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Device_Set_Object_Instance_Number(device_instance);
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printf("BACnet Device ID: %u\n", device_instance);
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/* Initialize BACnet stack */
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dlenv_init();
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Init_Service_Handlers();
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atexit(datalink_cleanup);
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if (argc > 2) {
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device_name = argv[2];
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}
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Device_Object_Name_ANSI_Init(device_name);
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printf("BACnet Device Name: %s\n", device_name);
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/* Broadcast an I-Am message */
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Send_I_Am(&Rx_Buf[0]);
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/* Main loop */
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while (1) {
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pdu_len = datalink_receive(&src, &Rx_Buf[0], MAX_MPDU, timeout);
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if (pdu_len) {
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npdu_handler(&src, &Rx_Buf[0], pdu_len);
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}
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current_time = time(NULL);
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if (difftime(current_time, last_update_time) >= INTERVAL) {
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process_task();
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last_update_time = current_time;
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}
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}
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return EXIT_SUCCESS;
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}
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Block a user