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Added BACnet Smart Actuator (B-SA) device profile sample
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‎zephyr/samples/profiles/b-sa/CMakeLists.txt‎

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# SPDX-License-Identifier: MIT
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cmake_minimum_required(VERSION 3.13.1)
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get_filename_component(MY_PROJECT_NAME ${CMAKE_CURRENT_SOURCE_DIR} NAME)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(${MY_PROJECT_NAME})
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target_sources(app PRIVATE src/main.c)

‎zephyr/samples/profiles/b-sa/README.rst‎

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.. _b-ss_sample:
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BACnet Profile B-SA Sample
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##########################
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Overview
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********
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This is a simple application demonstrating configuration of a
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BACnet Smart Actuator (B-SA) device profile.
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Requirements
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************
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* A board with Ethernet support, for instance: nucleo_f429zi
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Building and Running
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********************
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This sample can be found under :bacnet_file:`samples/profiles/b-ss` in
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the BACnet tree.
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The sample can be built for several platforms.
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Compile this sample for the `nucleo_f429zi` board:
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west build -b nucleo_f429zi -p always bacnet/zephyr/samples/profiles/b-sa/
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‎zephyr/samples/profiles/b-sa/prj.conf‎

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# General config
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#CONFIG_ASSERT=y
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#CONFIG_ASSERT_LEVEL=2
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#CONFIG_ASSERT_VERBOSE=y
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# Compiler library config
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#CONFIG_PICOLIBC=y
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#CONFIG_PICOLIBC_USE_MODULE=y
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#CONFIG_REQUIRES_FULL_LIBC=y
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#CONFIG_MINIMAL_LIBC=y
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# system
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# some heap is needed for the shell
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CONFIG_HEAP_MEM_POOL_SIZE=2048
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CONFIG_KERNEL_MEM_POOL=y
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CONFIG_MAIN_THREAD_PRIORITY=7
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#CONFIG_PICOLIBC=y
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CONFIG_ISR_STACK_SIZE=8192
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CONFIG_MAIN_STACK_SIZE=8192
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CONFIG_IDLE_STACK_SIZE=2048
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CONFIG_INIT_STACKS=y
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# BACnet Library
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CONFIG_BACNETSTACK=y
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CONFIG_BACNETSTACK_LOG_LEVEL=3
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CONFIG_BACNETSTACK_BACNET_BASIC=y
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# BACnet Library - options
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CONFIG_BACNET_MAX_CHARACTER_STRING_BYTES=128
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CONFIG_BACAPP_MINIMAL=y
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CONFIG_BACAPP_HOST_N_PORT=y
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# BACnet Library - objects
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CONFIG_BACNET_BASIC_OBJECT_NETWORK_PORT=y
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CONFIG_BACNET_BASIC_OBJECT_ANALOG_OUTPUT=y
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# BACnet Library - shell
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CONFIG_BACNET_BASIC_DEVICE_SHELL=y
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# BACnet settings subsystem
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#CONFIG_BACNETSTACK_BACNET_SETTINGS=y
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#CONFIG_BACNET_SETTINGS=y
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#CONFIG_BACNET_SETTINGS_SHELL=y
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# BACnet Datalink Options
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CONFIG_BACDL_BIP=y
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CONFIG_BACDL_BIP_PORT=47808
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CONFIG_BACDL_BIP_ADDRESS_INDEX=0
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# networking
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CONFIG_NETWORKING=y
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#CONFIG_NET_ARP=y
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#CONFIG_NET_TCP=y
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CONFIG_NET_UDP=y
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CONFIG_NET_SHELL=y
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CONFIG_NET_SOCKETS=y
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# Dynamic IP address
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#CONFIG_NET_DHCPV4=y
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#CONFIG_NET_IPV4_AUTO=y
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#CONFIG_NET_IF_UNICAST_IPV4_ADDR_COUNT=2
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# Static IP address pre-configuration
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CONFIG_NET_CONFIG_SETTINGS=y
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CONFIG_NET_CONFIG_MY_IPV4_ADDR="192.0.2.1"
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CONFIG_NET_CONFIG_MY_IPV4_NETMASK="255.255.255.0"
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CONFIG_NET_CONFIG_MY_IPV4_GW="192.0.2.2"
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# Network debug config
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CONFIG_NET_LOG=y
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CONFIG_NET_SHELL=y
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#CONFIG_DNS_RESOLVER=y
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#CONFIG_SLIP_STATISTICS=n
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CONFIG_NET_TX_STACK_SIZE=8192
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CONFIG_NET_RX_STACK_SIZE=8192
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# Enable Shell, Console, and Logging features
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CONFIG_CONSOLE=y
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CONFIG_PRINTK=y
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CONFIG_SHELL=y
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CONFIG_KERNEL_SHELL=y
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CONFIG_THREAD_MONITOR=y
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#CONFIG_BOOT_BANNER=n
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CONFIG_THREAD_NAME=y
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CONFIG_DEVICE_SHELL=y
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#CONFIG_POSIX_CLOCK=y
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#CONFIG_DATE_SHELL=y
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CONFIG_LOG=y
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CONFIG_LOG_BACKEND_UART=y
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CONFIG_SHELL_LOG_BACKEND=n
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#CONFIG_LOG_STRDUP_BUF_COUNT=4
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#CONFIG_LOG_STRDUP_MAX_STRING=96
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#CONFIG_NET_CONN_LOG_LEVEL_DEFAULT=n
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#CONFIG_NET_CONN_LOG_LEVEL_DBG=y
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#CONFIG_NET_IF_LOG_LEVEL_DEFAULT=n
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CONFIG_NET_IF_LOG_LEVEL_DBG=n
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CONFIG_NET_LOG=y
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# enable the thread, stack, and runtime stats
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CONFIG_THREAD_ANALYZER=y
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CONFIG_THREAD_STACK_INFO=y
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CONFIG_THREAD_RUNTIME_STATS=y
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#CONFIG_THREAD_RUNTIME_STATS_USE_TIMING_FUNCTIONS=n
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#CONFIG_SCHED_THREAD_USAGE=y
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#CONFIG_SCHED_THREAD_USAGE_ANALYSIS=y
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CONFIG_STATS=y
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CONFIG_STATS_SHELL=y
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#
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# Storage
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#
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#CONFIG_FLASH=y
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#CONFIG_FLASH_MAP=y
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#CONFIG_FLASH_PAGE_LAYOUT=y
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# native_posix uses a simulated flash
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#CONFIG_FLASH_SIMULATOR=y
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#CONFIG_DISK_ACCESS=y.
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#CONFIG_FILE_SYSTEM=y
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#CONFIG_FILE_SYSTEM_LITTLEFS=y
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#CONFIG_FILE_SYSTEM_SHELL=y
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#CONFIG_NVS=y
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#CONFIG_SETTINGS=y
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#CONFIG_SETTINGS_NVS=y
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#CONFIG_SETTINGS_RUNTIME=y
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#CONFIG_SETTINGS_FILE=y
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#CONFIG_SETTINGS_SHELL=y
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CONFIG_TEST_RANDOM_GENERATOR=y
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CONFIG_TIMER_RANDOM_GENERATOR=y

‎zephyr/samples/profiles/b-sa/sample.yaml‎

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sample:
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name: BACnet Smart Actuator (B-SA)
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tests:
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bacnet-stack.sample.profile.b-sa.bacdl_none:
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tags: bacnet
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platform_allow: qemu_x86 native_posix native_posix_64 native_sim
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bacnet-stack.sample.profile.b-sa.bacdl_mstp:
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platform_allow: native_sim
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extra_configs:
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- CONFIG_BACDL_MSTP=y
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tags: introduction
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bacnet-stack.sample.profile.b-sa.bacdl_bip:
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platform_allow: native_sim
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extra_configs:
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- CONFIG_BACDL_BIP=y
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tags: introduction
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bacnet-stack.sample.profile.b-sa.bacdl_bip6:
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platform_allow: native_sim
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extra_configs:
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- CONFIG_BACDL_BIP6=y
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tags: introduction
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bacnet-stack.sample.profile.b-sa.bacdl_ethernet:
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platform_allow: native_sim
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extra_configs:
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- CONFIG_BACDL_ETHERNET=y
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tags: introduction

‎zephyr/samples/profiles/b-sa/src/main.c‎

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/*
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* Copyright (C) 2020 Legrand North America, Inc.
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*
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* SPDX-License-Identifier: MIT
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/random/random.h>
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#include <stdint.h>
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#include <stdlib.h>
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/* BACnet Stack defines - first */
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#include "bacnet/bacdef.h"
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/* BACnet Stack core API */
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#include "bacnet/version.h"
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#include "bacnet/basic/sys/mstimer.h"
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/* BACnet Stack basic device API - see bacnet_basic/device.c for details */
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#include "bacnet/basic/object/device.h"
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/* BACnet Stack basic objects enabled in prj.conf */
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#include "bacnet/basic/object/ao.h"
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#if (BACNET_PROTOCOL_REVISION >= 17)
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#include "bacnet/basic/object/netport.h"
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#endif
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#include "bacnet_basic/bacnet_basic.h"
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/* Logging module registration is already done in ports/zephyr/main.c */
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#include "bacnet_osif/bacnet_log.h"
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LOG_MODULE_DECLARE(bacnet, CONFIG_BACNETSTACK_LOG_LEVEL);
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static const uint32_t Device_Instance = 260123;
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static const uint32_t Actuator_Instance = 1;
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/* timer for Actuator Update Interval */
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static struct mstimer Actuator_Update_Timer;
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static void BACnet_Smart_Actuator_Datalink_Init(void)
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{
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}
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/**
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* @brief BACnet Project Initialization Handler
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* @param context [in] The context to pass to the callback function
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* @note This is called from the BACnet task
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*/
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static void BACnet_Smart_Actuator_Init_Handler(void *context)
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{
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(void)context;
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LOG_INF("BACnet Stack Initialized");
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BACnet_Smart_Actuator_Datalink_Init();
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/* initialize objects for this basic sample */
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Device_Init(NULL);
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Device_Set_Object_Instance_Number(Device_Instance);
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Analog_Output_Create(Actuator_Instance);
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Analog_Output_Name_Set(Actuator_Instance, "Actuator");
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Analog_Output_Units_Set(Actuator_Instance, UNITS_PERCENT);
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Analog_Output_Min_Pres_Value_Set(Actuator_Instance, 0.0f);
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Analog_Output_Max_Pres_Value_Set(Actuator_Instance, 100.0f);
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LOG_INF("BACnet Device ID: %u", Device_Object_Instance_Number());
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/* start the seconds cyclic timer */
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mstimer_set(&Actuator_Update_Timer, 1000);
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srand(sys_rand32_get());
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}
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/**
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* @brief BACnet Project Task Handler
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* @param context [in] The context to pass to the callback function
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* @note This is called from the BACnet task
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*/
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static void BACnet_Smart_Actuator_Task_Handler(void *context)
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{
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float percent = 0.0f, change = 0.0f;
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(void)context;
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if (mstimer_expired(&Actuator_Update_Timer)) {
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mstimer_reset(&Actuator_Update_Timer);
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/* simulate an internal software program,
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and update the BACnet object values */
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if (Analog_Output_Out_Of_Service(Actuator_Instance)) {
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return;
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}
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percent = Analog_Output_Present_Value(Actuator_Instance);
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change = -1.0f + 2.0f * ((float)rand()) / RAND_MAX;
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percent += change;
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Analog_Output_Present_Value_Set(Actuator_Instance, percent,
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BACNET_MAX_PRIORITY);
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}
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}
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int main(void)
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{
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LOG_INF("*** BACnet Smart Actuator (B-SA) ***");
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LOG_INF("BACnet Stack Version " BACNET_VERSION_TEXT);
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LOG_INF("BACnet Stack Max APDU: %d", MAX_APDU);
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bacnet_basic_init_callback_set(BACnet_Smart_Actuator_Init_Handler,
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NULL);
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bacnet_basic_task_callback_set(BACnet_Smart_Actuator_Task_Handler,
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NULL);
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/* work happens in server module */
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for (;;) {
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k_sleep(K_MSEC(1000));
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}
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return 0;
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}

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