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BACnetScan读BO多个属性报文详解

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读多个属性应答报文

55 FF 06 13 07 00 6E ED

01

00 //control ——参考1

30 //PDU Type=3 (BACnet-ComplexACK-PDU, SEG=0, MOR=0), ——参考2

0C //original invokeid=12

/——————-Service-ACK-Choice参考3——————————————–/

0E //ack service choice-read-property-multiple, 参考4

/————————-Service-ACK参考2/3—————————————/

0C //ReadProperty-ACK->objectIdentifier 参考5、6

01 00 00 00 //BINARY-OUTPUT=4,instance num=0

/———————- propertyIdentifier参考6、9—————————————–/

1E //opening tag1,listOfResults——参考12

29 //CONTEXT tag2,L=1,propertyIdentifier,L=1

4B // object-identifier =75——参考9->参考8

4E //opening tag 4,Property Value(不确定)

C4 //APPLICATION

TAG=12,L=4,BACnetObjectIdentifer

01 00 00 00 //BINARY-OUTPUT=4,instance num=0

4F

29 ////CONTEXT tag2,L=1, propertyIdentifier

4D //object-name=77 参考9

4E //opening tag 4,Property Value

75 //APPLICATION TAG 7,L=下面的值CharacterString——参考13

05 //参考14,扩展ASCII编码标

00 //空字符,下面是ASCII编码,对应程序中自己的设置字符

42 //B

4F //O

2D //-

30 //0

4F // closing tag4

29 // propertyIdentifier

1C //description=28

4E //opening tag 4

75 //APPLICATION TAG 7,L=扩展字节的值CharacterString——参考13

0A //L=10

00 //空字符

45 //

64 //

69 //

74 //

20 //<空格>

48 //

65 //

72 //

65 //

4F //Closing Tag 4

29 // propertyIdentifier

4F //object_type=79

4E

91 // Application Tag 9 (Enumerated, L=1)

04 // OBJECT_BINARY_OUTPUT——参考16

4F

29 // propertyIdentifier

55 //Present_Value=85,参考9

4E

91 //Application Tag 9 (Enumerated, L=1)

00 //INACTIVE

4F

29 // propertyIdentifier

6F //Statu_Falgs——下面的bit string 参考17

4E

82 //application tag 8(bit string),L=2——参考13

04 00 //0,0,0,0(FALSE, FALSE ,FALSE, FALSE)米看懂怎么编的

4F

29 // propertyIdentifier

24 //event_state

4E

91 //Application Tag 9 (Enumerated, L=1)

00 //NORMAL(Always)——参考18

4F

29 // propertyIdentifier

51 //Out_Of_Service=81

4E //opening tag 4 (Property Value)

10 //application tag1,L=0

4F

29 // propertyIdentifier

54 //Polarity=84

4E

91 //Application Tag 9 (Enumerated, L=1)——参考19

00 //Normal

4F

29 // propertyIdentifier

57 //polarity_arry=87

4E

00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 //都是NULL

4F

29 // propertyIdentifier

68 //Requlish_Default=104

4E

91 //Application Tag 9 (Enumerated, L=1)

00 //0

4F

1F 2C BC

每一个propertyIdentifier下面都有一个构造编码,构造编码表示propertyIdentifier的信息

参考1:NPDU结构图


参考2:Bacnet-ComplexACK_PDU类型编码结构图

参考3:Service_ACK-choice

参考4:BACnetConfirmedServiceChoice(英文手册P402)

参考5:BACnet-Confirmed-Service-ACK

参考6:ReadProperty-ACK

参考7:BACnetObjectIdentifier

参考8:Encoding of an Object Identifier Value

参考9:BACnetPropertyIdentifier

参考10:BACNET_PROPERTY_ID

typedef enum {

PROP_ACKED_TRANSITIONS = 0,

PROP_ACK_REQUIRED = 1,

PROP_ACTION = 2,

PROP_ACTION_TEXT = 3,

PROP_ACTIVE_TEXT = 4,

PROP_ACTIVE_VT_SESSIONS = 5,

PROP_ALARM_VALUE = 6,

PROP_ALARM_VALUES = 7,

PROP_ALL = 8,

PROP_ALL_WRITES_SUCCESSFUL = 9,

PROP_APDU_SEGMENT_TIMEOUT = 10,

PROP_APDU_TIMEOUT = 11,

PROP_APPLICATION_SOFTWARE_VERSION = 12,

PROP_ARCHIVE = 13,

PROP_BIAS = 14,

PROP_CHANGE_OF_STATE_COUNT = 15,

PROP_CHANGE_OF_STATE_TIME = 16,

PROP_NOTIFICATION_CLASS = 17,

PROP_BLANK_1 = 18,

PROP_CONTROLLED_VARIABLE_REFERENCE = 19,

PROP_CONTROLLED_VARIABLE_UNITS = 20,

PROP_CONTROLLED_VARIABLE_VALUE = 21,

PROP_COV_INCREMENT = 22,

PROP_DATE_LIST = 23,

PROP_DAYLIGHT_SAVINGS_STATUS = 24,

PROP_DEADBAND = 25,

PROP_DERIVATIVE_CONSTANT = 26,

PROP_DERIVATIVE_CONSTANT_UNITS = 27,

PROP_DESCRIPTION = 28,

PROP_DESCRIPTION_OF_HALT = 29,

PROP_DEVICE_ADDRESS_BINDING = 30,

PROP_DEVICE_TYPE = 31,

PROP_EFFECTIVE_PERIOD = 32,

PROP_ELAPSED_ACTIVE_TIME = 33,

PROP_ERROR_LIMIT = 34,

PROP_EVENT_ENABLE = 35,

PROP_EVENT_STATE = 36,

PROP_EVENT_TYPE = 37,

PROP_EXCEPTION_SCHEDULE = 38,

PROP_FAULT_VALUES = 39,

PROP_FEEDBACK_VALUE = 40,

PROP_FILE_ACCESS_METHOD = 41,

PROP_FILE_SIZE = 42,

PROP_FILE_TYPE = 43,

PROP_FIRMWARE_REVISION = 44,

PROP_HIGH_LIMIT = 45,

PROP_INACTIVE_TEXT = 46,

PROP_IN_PROCESS = 47,

PROP_INSTANCE_OF = 48,

PROP_INTEGRAL_CONSTANT = 49,

PROP_INTEGRAL_CONSTANT_UNITS = 50,

PROP_ISSUE_CONFIRMED_NOTIFICATIONS = 51,

PROP_LIMIT_ENABLE = 52,

PROP_LIST_OF_GROUP_MEMBERS = 53,

PROP_LIST_OF_OBJECT_PROPERTY_REFERENCES = 54,

PROP_LIST_OF_SESSION_KEYS = 55,

PROP_LOCAL_DATE = 56,

PROP_LOCAL_TIME = 57,

PROP_LOCATION = 58,

PROP_LOW_LIMIT = 59,

PROP_MANIPULATED_VARIABLE_REFERENCE = 60,

PROP_MAXIMUM_OUTPUT = 61,

PROP_MAX_APDU_LENGTH_ACCEPTED = 62,

PROP_MAX_INFO_FRAMES = 63,

PROP_MAX_MASTER = 64,

PROP_MAX_PRES_VALUE = 65,

PROP_MINIMUM_OFF_TIME = 66,

PROP_MINIMUM_ON_TIME = 67,

PROP_MINIMUM_OUTPUT = 68,

PROP_MIN_PRES_VALUE = 69,

PROP_MODEL_NAME = 70,

PROP_MODIFICATION_DATE = 71,

PROP_NOTIFY_TYPE = 72,

PROP_NUMBER_OF_APDU_RETRIES = 73,

PROP_NUMBER_OF_STATES = 74,

PROP_OBJECT_IDENTIFIER = 75,

PROP_OBJECT_LIST = 76,

PROP_OBJECT_NAME = 77,

PROP_OBJECT_PROPERTY_REFERENCE = 78,

PROP_OBJECT_TYPE = 79,

PROP_OPTIONAL = 80,

PROP_OUT_OF_SERVICE = 81,

PROP_OUTPUT_UNITS = 82,

PROP_EVENT_PARAMETERS = 83,

PROP_POLARITY = 84,

PROP_PRESENT_VALUE = 85,

PROP_PRIORITY = 86,

PROP_PRIORITY_ARRAY = 87,

PROP_PRIORITY_FOR_WRITING = 88,

PROP_PROCESS_IDENTIFIER = 89,

PROP_PROGRAM_CHANGE = 90,

PROP_PROGRAM_LOCATION = 91,

PROP_PROGRAM_STATE = 92,

PROP_PROPORTIONAL_CONSTANT = 93,

PROP_PROPORTIONAL_CONSTANT_UNITS = 94,

PROP_PROTOCOL_CONFORMANCE_CLASS = 95, /* deleted in version 1 revision 2 */

PROP_PROTOCOL_OBJECT_TYPES_SUPPORTED = 96,

PROP_PROTOCOL_SERVICES_SUPPORTED = 97,

PROP_PROTOCOL_VERSION = 98,

PROP_READ_ONLY = 99,

PROP_REASON_FOR_HALT = 100,

PROP_RECIPIENT = 101,

PROP_RECIPIENT_LIST = 102,

PROP_RELIABILITY = 103,

4000

PROP_RELINQUISH_DEFAULT = 104,

PROP_REQUIRED = 105,

PROP_RESOLUTION = 106,

PROP_SEGMENTATION_SUPPORTED = 107,

PROP_SETPOINT = 108,

PROP_SETPOINT_REFERENCE = 109,

PROP_STATE_TEXT = 110,

PROP_STATUS_FLAGS = 111,

PROP_SYSTEM_STATUS = 112,

PROP_TIME_DELAY = 113,

PROP_TIME_OF_ACTIVE_TIME_RESET = 114,

PROP_TIME_OF_STATE_COUNT_RESET = 115,

PROP_TIME_SYNCHRONIZATION_RECIPIENTS = 116,

PROP_UNITS = 117,

PROP_UPDATE_INTERVAL = 118,

PROP_UTC_OFFSET = 119,

PROP_VENDOR_IDENTIFIER = 120,

PROP_VENDOR_NAME = 121,

PROP_VT_CLASSES_SUPPORTED = 122,

PROP_WEEKLY_SCHEDULE = 123,

PROP_ATTEMPTED_SAMPLES = 124,

PROP_AVERAGE_VALUE = 125,

PROP_BUFFER_SIZE = 126,

PROP_CLIENT_COV_INCREMENT = 127,

PROP_COV_RESUBSCRIPTION_INTERVAL = 128,

PROP_CURRENT_NOTIFY_TIME = 129,

PROP_EVENT_TIME_STAMPS = 130,

PROP_LOG_BUFFER = 131,

PROP_LOG_DEVICE_OBJECT_PROPERTY = 132,

/* The enable property is renamed from log-enable in

Addendum b to ANSI/ASHRAE 135-2004(135b-2) */

PROP_ENABLE = 133,

PROP_LOG_INTERVAL = 134,

PROP_MAXIMUM_VALUE = 135,

PROP_MINIMUM_VALUE = 136,

PROP_NOTIFICATION_THRESHOLD = 137,

PROP_PREVIOUS_NOTIFY_TIME = 138,

PROP_PROTOCOL_REVISION = 139,

PROP_RECORDS_SINCE_NOTIFICATION = 140,

PROP_RECORD_COUNT = 141,

PROP_START_TIME = 142,

PROP_STOP_TIME = 143,

PROP_STOP_WHEN_FULL = 144,

PROP_TOTAL_RECORD_COUNT = 145,

PROP_VALID_SAMPLES = 146,

PROP_WINDOW_INTERVAL = 147,

PROP_WINDOW_SAMPLES = 148,

PROP_MAXIMUM_VALUE_TIMESTAMP = 149,

PROP_MINIMUM_VALUE_TIMESTAMP = 150,

PROP_VARIANCE_VALUE = 151,

PROP_ACTIVE_COV_SUBSCRIPTIONS = 152,

PROP_BACKUP_FAILURE_TIMEOUT = 153,

PROP_CONFIGURATION_FILES = 154,

PROP_DATABASE_REVISION = 155,

PROP_DIRECT_READING = 156,

PROP_LAST_RESTORE_TIME = 157,

PROP_MAINTENANCE_REQUIRED = 158,

PROP_MEMBER_OF = 159,

PROP_MODE = 160,

PROP_OPERATION_EXPECTED = 161,

PROP_SETTING = 162,

PROP_SILENCED = 163,

PROP_TRACKING_VALUE = 164,

PROP_ZONE_MEMBERS = 165,

PROP_LIFE_SAFETY_ALARM_VALUES = 166,

PROP_MAX_SEGMENTS_ACCEPTED = 167,

PROP_PROFILE_NAME = 168,

PROP_AUTO_SLAVE_DISCOVERY = 169,

PROP_MANUAL_SLAVE_ADDRESS_BINDING = 170,

PROP_SLAVE_ADDRESS_BINDING = 171,

PROP_SLAVE_PROXY_ENABLE = 172,

PROP_LAST_NOTIFY_RECORD = 173,

PROP_SCHEDULE_DEFAULT = 174,

PROP_ACCEPTED_MODES = 175,

PROP_ADJUST_VALUE = 176,

PROP_COUNT = 177,

PROP_COUNT_BEFORE_CHANGE = 178,

PROP_COUNT_CHANGE_TIME = 179,

PROP_COV_PERIOD = 180,

PROP_INPUT_REFERENCE = 181,

PROP_LIMIT_MONITORING_INTERVAL = 182,

PROP_LOGGING_OBJECT = 183,

PROP_LOGGING_RECORD = 184,

PROP_PRESCALE = 185,

PROP_PULSE_RATE = 186,

PROP_SCALE = 187,

PROP_SCALE_FACTOR = 188,

PROP_UPDATE_TIME = 189,

PROP_VALUE_BEFORE_CHANGE = 190,

PROP_VALUE_SET = 191,

PROP_VALUE_CHANGE_TIME = 192,

/* enumerations 193-206 are new */

PROP_ALIGN_INTERVALS = 193,

/* enumeration 194 is unassigned */

PROP_INTERVAL_OFFSET = 195,

PROP_LAST_RESTART_REASON = 196,

PROP_LOGGING_TYPE = 197,

/* enumeration 198-201 is unassigned */

PROP_RESTART_NOTIFICATION_RECIPIENTS = 202,

PROP_TIME_OF_DEVICE_RESTART = 203,

PROP_TIME_SYNCHRONIZATION_INTERVAL = 204,

PROP_TRIGGER = 205,

PROP_UTC_TIME_SYNCHRONIZATION_RECIPIENTS = 206,

/* enumerations 207-211 are used in Addendum d to ANSI/ASHRAE 135-2004 */

PROP_NODE_SUBTYPE = 207,

PROP_NODE_TYPE = 208,

PROP_STRUCTURED_OBJECT_LIST = 209,

PROP_SUBORDINATE_ANNOTATIONS = 210,

PROP_SUBORDINATE_LIST = 211,

/* enumerations 212-225 are used in Addendum e to ANSI/ASHRAE 135-2004 */

PROP_ACTUAL_SHED_LEVEL = 212,

PROP_DUTY_WINDOW = 213,

PROP_EXPECTED_SHED_LEVEL = 214,

PROP_FULL_DUTY_BASELINE = 215,

/* enumerations 216-217 are unassigned */

/* enumerations 212-225 are used in Addendum e to ANSI/ASHRAE 135-2004 */

PROP_REQUESTED_SHED_LEVEL = 218,

PROP_SHED_DURATION = 219,

PROP_SHED_LEVEL_DESCRIPTIONS = 220,

PROP_SHED_LEVELS = 221,

PROP_STATE_DESCRIPTION = 222,

/* enumerations 223-225 are unassigned */

/* enumerations 226-235 are used in Addendum f to ANSI/ASHRAE 135-2004 */

PROP_DOOR_ALARM_STATE = 226,

PROP_DOOR_EXTENDED_PULSE_TIME = 227,

PROP_DOOR_MEMBERS = 228,

PROP_DOOR_OPEN_TOO_LONG_TIME = 229,

PROP_DOOR_PULSE_TIME = 230,

PROP_DOOR_STATUS = 231,

PROP_DOOR_UNLOCK_DELAY_TIME = 232,

PROP_LOCK_STATUS = 233,

PROP_MASKED_ALARM_VALUES = 234,

PROP_SECURED_STATUS = 235,

/* enumerations 236-243 are unassigned */

/* enumerations 244-311 are used in Addendum j to ANSI/ASHRAE 135-2004 */

PROP_ABSENTEE_LIMIT = 244,

PROP_ACCESS_ALARM_EVENTS = 245,

PROP_ACCESS_DOORS = 246,

PROP_ACCESS_EVENT = 247,

PROP_ACCESS_EVENT_AUTHENTICATION_FACTOR = 248,

PROP_ACCESS_EVENT_CREDENTIAL = 249,

PROP_ACCESS_EVENT_TIME = 250,

PROP_ACCESS_TRANSACTION_EVENTS = 251,

PROP_ACCOMPANIMENT = 252,

PROP_ACCOMPANIMENT_TIME = 253,

PROP_ACTIVATION_TIME = 254,

PROP_ACTIVE_AUTHENTICATION_POLICY = 255,

PROP_ASSIGNED_ACCESS_RIGHTS = 256,

PROP_AUTHENTICATION_FACTORS = 257,

PROP_AUTHENTICATION_POLICY_LIST = 258,

PROP_AUTHENTICATION_POLICY_NAMES = 259,

PROP_AUTHORIZATION_STATUS = 260,

PROP_AUTHORIZATION_MODE = 261,

PROP_BELONGS_TO = 262,

PROP_CREDENTIAL_DISABLE = 263,

PROP_CREDENTIAL_STATUS = 264,

PROP_CREDENTIALS = 265,

PROP_CREDENTIALS_IN_ZONE = 266,

PROP_DAYS_REMAINING = 267,

PROP_ENTRY_POINTS = 268,

PROP_EXIT_POINTS = 269,

PROP_EXPIRY_TIME = 270,

PROP_EXTENDED_TIME_ENABLE = 271,

PROP_FAILED_ATTEMPT_EVENTS = 272,

PROP_FAILED_ATTEMPTS = 273,

PROP_FAILED_ATTEMPTS_TIME = 274,

PROP_LAST_ACCESS_EVENT = 275,

PROP_LAST_ACCESS_POINT = 276,

PROP_LAST_CREDENTIAL_ADDED = 277,

PROP_LAST_CREDENTIAL_ADDED_TIME = 278,

PROP_LAST_CREDENTIAL_REMOVED = 279,

PROP_LAST_CREDENTIAL_REMOVED_TIME = 280,

PROP_LAST_USE_TIME = 281,

PROP_LOCKOUT = 282,

PROP_LOCKOUT_RELINQUISH_TIME = 283,

PROP_MASTER_EXEMPTION = 284,

PROP_MAX_FAILED_ATTEMPTS = 285,

PROP_MEMBERS = 286,

PROP_MUSTER_POINT = 287,

PROP_NEGATIVE_ACCESS_RULES = 288,

PROP_NUMBER_OF_AUTHENTICATION_POLICIES = 289,

PROP_OCCUPANCY_COUNT = 290,

PROP_OCCUPANCY_COUNT_ADJUST = 291,

PROP_OCCUPANCY_COUNT_ENABLE = 292,

PROP_OCCUPANCY_EXEMPTION = 293,

PROP_OCCUPANCY_LOWER_LIMIT = 294,

PROP_OCCUPANCY_LOWER_LIMIT_ENFORCED = 295,

PROP_OCCUPANCY_STATE = 296,

PROP_OCCUPANCY_UPPER_LIMIT = 297,

PROP_OCCUPANCY_UPPER_LIMIT_ENFORCED = 298,

PROP_PASSBACK_EXEMPTION = 299,

PROP_PASSBACK_MODE = 300,

PROP_PASSBACK_TIMEOUT = 301,

PROP_POSITIVE_ACCESS_RULES = 302,

PROP_REASON_FOR_DISABLE = 303,

PROP_SUPPORTED_FORMATS = 304,

PROP_SUPPORTED_FORMAT_CLASSES = 305,

PROP_THREAT_AUTHORITY = 306,

PROP_THREAT_LEVEL = 307,

PROP_TRACE_FLAG = 308,

PROP_TRANSACTION_NOTIFICATION_CLASS = 309,

PROP_USER_EXTERNAL_IDENTIFIER = 310,

PROP_USER_INFORMATION_REFERENCE = 311,

/* enumerations 312-316 are unassigned */

PROP_USER_NAME = 317,

PROP_USER_TYPE = 318,

PROP_USES_REMAINING = 319,

PROP_ZONE_FROM = 320,

PROP_ZONE_TO = 321,

PROP_ACCESS_EVENT_TAG = 322,

PROP_GLOBAL_IDENTIFIER = 323,

/* enumerations 324-325 are unassigned */

PROP_VERIFICATION_TIME = 326,

PROP_BASE_DEVICE_SECURITY_POLICY = 327,

PROP_DISTRIBUTION_KEY_REVISION = 328,

PROP_DO_NOT_HIDE = 329,

PROP_KEY_SETS = 330,

PROP_LAST_KEY_SERVER = 331,

PROP_NETWORK_ACCESS_SECURITY_POLICIES = 332,

PROP_PACKET_REORDER_TIME = 333,

PROP_SECURITY_PDU_TIMEOUT = 334,

PROP_SECURITY_TIME_WINDOW = 335,

PROP_SUPPORTED_SECURITY_ALGORITHM = 336,

PROP_UPDATE_KEY_SET_TIMEOUT = 337,

PROP_BACKUP_AND_RESTORE_STATE = 338,

PROP_BACKUP_PREPARATION_TIME = 339,

PROP_RESTORE_COMPLETION_TIME = 340,

PROP_RESTORE_PREPARATION_TIME = 341,

/* enumerations 342-344 are defined in Addendum 2008-w */

PROP_BIT_MASK = 342,

PROP_BIT_TEXT = 343,

PROP_IS_UTC = 344,

PROP_GROUP_MEMBERS = 345,

PROP_GROUP_MEMBER_NAMES = 346,

PROP_MEMBER_STATUS_FLAGS = 347,

PROP_REQUESTED_UPDATE_INTERVAL = 348,

PROP_COVU_PERIOD = 349,

PROP_COVU_RECIPIENTS = 350,

PROP_EVENT_MESSAGE_TEXTS = 351,

/* enumerations 352-363 are defined in Addendum 2010-af */

PROP_EVENT_MESSAGE_TEXTS_CONFIG = 352,

PROP_EVENT_DETECTION_ENABLE = 353,

PROP_EVENT_ALGORITHM_INHIBIT = 354,

PROP_EVENT_ALGORITHM_INHIBIT_REF = 355,

PROP_TIME_DELAY_NORMAL = 356,

PROP_RELIABILITY_EVALUATION_INHIBIT = 357,

PROP_FAULT_PARAMETERS = 358,

PROP_FAULT_TYPE = 359,

PROP_LOCAL_FORWARDING_ONLY = 360,

PROP_PROCESS_IDENTIFIER_FILTER = 361,

PROP_SUBSCRIBED_RECIPIENTS = 362,

PROP_PORT_FILTER = 363,

/* enumeration 364 is defined in Addendum 2010-ae */

PROP_AUTHORIZATION_EXEMPTIONS = 364,

/* enumerations 365-370 are defined in Addendum 2010-aa */

PROP_ALLOW_GROUP_DELAY_INHIBIT = 365,

PROP_CHANNEL_NUMBER = 366,

PROP_CONTROL_GROUPS = 367,

PROP_EXECUTION_DELAY = 368,

PROP_LAST_PRIORITY = 369,

PROP_WRITE_STATUS = 370,

/* enumeration 371 is defined in Addendum 2010-ao */

PROP_PROPERTY_LIST = 371,

/* enumeration 372 is defined in Addendum 2010-ak */

PROP_SERIAL_NUMBER = 372,

/* enumerations 373-386 are defined in Addendum 2010-i */

PROP_BLINK_WARN_ENABLE = 373,

PROP_DEFAULT_FADE_TIME = 374,

PROP_DEFAULT_RAMP_RATE = 375,

PROP_DEFAULT_STEP_INCREMENT = 376,

PROP_EGRESS_TIMER = 377,

PROP_IN_PROGRESS = 378,

PROP_INSTANTANEOUS_POWER = 379,

PROP_LIGHTING_COMMAND = 380,

PROP_LIGHTING_COMMAND_DEFAULT_PRIORITY = 381,

PROP_MAX_ACTUAL_VALUE = 382,

PROP_MIN_ACTUAL_VALUE = 383,

PROP_POWER = 384,

PROP_TRANSITION = 385,

PROP_EGRESS_ACTIVE = 386,

PROP_SELF_BAUD_RATE=9600,       //ΪÁËÈ¥³ý¾¯¸æ,×Ô¼ºÌí¼ÓµÄ
/* The special property identifiers all, optional, and required  */
/* are reserved for use in the ReadPropertyConditional and */
/* ReadPropertyMultiple services or services not defined in this standard. */
/* Enumerated values 0-511 are reserved for definition by ASHRAE.  */
/* Enumerated values 512-4194303 may be used by others subject to the  */
/* procedures and constraints described in Clause 23.  */
/* do the max range inside of enum so that
compilers will allocate adequate sized datatype for enum
which is used to store decoding */
MAX_BACNET_PROPERTY_ID = 4194303


} BACNET_PROPERTY_ID;

参考11:Structure of ReadProperty Service Primitives

参考12:Structure of ‘Read Access Result’ Parameter

用来解析构造编码:

List of Results——1E

Property Identifer——2E

……

参考13:Application Tags

参考14

参考15 :ASCII码表

ASCII码表2008-06-11 09:48美国标准信息交换标准码

( American Standard Code for Information Interchange, ASCII )

1、小写字母>大写字母>数字字符>控制字符(DEL控制字符除外,它在ASCII码表中的值最大)。例如:c>A,3>LF等。

2、同一个系列的ASCII码值按顺序依次增大,例如:a<b<c...<z;A<B<C<...<Z;0,1<2<3<...<9等。


ASCII码大致可以分作三部分組成。

第一部分由 00H 到 1FH 共 32 个,一般用来通讯或作为控制之用,有些字符可显示于屏幕,有些则无法显示在屏幕上,但能看到其效果

(例如换行字符、归位字符)。

第二部分是由 20H 到 7FH 共 96 个,这 95 个字符是用来表示阿拉伯数字、英文字母大小写和底线、括号等符号,都可以显示在屏幕上

。如下表:

第三部分由 80H 到 0FFH 共 128 个字符,一般称为『扩充字符』,这 128 个扩充字符是由 IBM 制定的,并非标准的 ASCII 码。这些

字符是用来表示框线、音标和其它欧洲非英语系的字母。

第0~32号及第127号(共34个)是控制字符或通讯专用字符,如控制符:LF(换行)、CR(回车)、FF(换页)、DEL(删除)、BEL(振铃

)等;

通讯专用字符:SOH(文头)、EOT(文尾)、ACK(确认)等;

第33~126号(共94个)是字符,其中第48~57号为0~9十个阿拉伯数字;65~90号为26个大写英文字母,97~122号为26个小写英文字母,

其余为一些标点符号、运算符号等。

注意:在计算机的存储单元中,一个ASCII码值占一个字节(8个二进制位),其最高位(b7)用作奇偶校验位。所谓奇偶校验,是指在代码传

送过程中用来检验是否出现错误的一种方法,一般分奇校验和偶校验两种。奇校验规定:正确的代码一个字节中1的个数必须是奇数,若

非奇数,则在最高位b7添1;偶校验规定:正确的代码一个字节中1的个数必须是偶数,若非偶数,则在最高位b7添1。

为了便于查询,以下列出ASCII码表:

在计算机中,所有的数据在存储和运算时都要使用二进制数表示(因为计算机比较傻,只有0和1两位数的二进制比较适合于它使用),同

样的,象a、b、c、d这样的52个字母(包括大写)、以及0、1、2等数字还有一些常用的符号(例如*、#、@等)在计算机中存储时也要使

用二进制数来表示,而具体用哪个数字表示哪个符号,当然每个人都可以约定自己的一套(这就叫编码),而大家如果要想互相通讯而不

造成混乱,那么大家就必须使用相同的编码规则,于是美国有关的标准化组织就出台了所谓的ASCII编码,统一规定了上述常用符号用哪

个二进制数来表示。

美国标准信息交换代码是由美国国家标准学会(American National Standard Institute , ANSI )制定的,标准的单字节字符编码方案,

用于基于文本的数据。起始于50年代后期,在1967年定案。它最初是美国国家标准,供不同计算机在相互通信时用作共同遵守的西文字符

编码标准,它已被国际标准化组织(International Organization for Standardization, ISO)定为国际标准,称为ISO 646标准。适用

于所有拉丁文字字母。

ASCII 码使用指定的 7 位或 8 位二进制数组合来表示 128 或 256 种可能的字符。标准 ASCII 码也叫基础ASCII码,使用 7 位二进制

数来表示所有的大写和小写字母,数字
ccfc
0 到 9、标点符号,以及在美式英语中使用的特殊控制字符。其中:

0~32及127(共34个)是控制字符或通讯专用字符(其余为可显示字符),如控制符:LF(换行)、CR(回车)、FF(换页)、DEL(删除

)、BS(退格)、BEL(振铃)等;通讯专用字符:SOH(文头)、EOT(文尾)、ACK(确认)等;ASCII值为 8、9、10 和 13 分别转换为

退格、制表、换行和回车字符。它们并没有特定的图形显示,但会依不同的应用程序,而对文本显示有不同的影响。

33~126(共94个)是字符,其中48~57为0到9十个阿拉伯数字;

65~90为26个大写英文字母,97~122号为26个小写英文字母,其余为一些标点符号、运算符号等。

同时还要注意,在标准ASCII中,其最高位(b7)用作奇偶校验位。所谓奇偶校验,是指在代码传送过程中用来检验是否出现错误的一种方

法,一般分奇校验和偶校验两种。奇校验规定:正确的代码一个字节中1的个数必须是奇数,若非奇数,则在最高位b7添1;偶校验规定:

正确的代码一个字节中1的个数必须是偶数,若非偶数,则在最高位b7添1。

后128个称为扩展ASCII码,目前许多基于x86的系统都支持使用扩展(或“高”)ASCII。扩展 ASCII 码允许将每个字符的第 8 位用于确

定附加的 128 个特殊符号字符、外来语字母和图形符号。以下为标准ASCII表:

Bin Dec Hex 缩写/字符 解释

0000 0000 0 00 NUL (null) 空字符

0000 0001 1 01 SOH (start of handing) 标题开始

0000 0010 2 02 STX (start of text) 正文开始

0000 0011 3 03 ETX (end of text) 正文结束

0000 0100 4 04 EOT (end of transmission) 传输结束

0000 0101 5 05 ENQ (enquiry) 请求

0000 0110 6 06 ACK (acknowledge) 收到通知

0000 0111 7 07 BEL (bell) 响铃

0000 1000 8 08 BS (backspace) 退格

0000 1001 9 09 HT (horizontal tab) 水平制表符

0000 1010 10 0A LF (NL line feed, new line) 换行键

0000 1011 11 0B VT (vertical tab) 垂直制表符

0000 1100 12 0C FF (NP form feed, new page) 换页键

0000 1101 13 0D CR (carriage return) 回车键

0000 1110 14 0E SO (shift out) 不用切换

0000 1111 15 0F SI (shift in) 启用切换

0001 0000 16 10 DLE (data link escape) 数据链路转义

0001 0001 17 11 DC1 (device control 1) 设备控制1

0001 0010 18 12 DC2 (device control 2) 设备控制2

0001 0011 19 13 DC3 (device control 3) 设备控制3

0001 0100 20 14 DC4 (device control 4) 设备控制4

0001 0101 21 15 NAK (negative acknowledge) 拒绝接收

0001 0110 22 16 SYN (synchronous idle) 同步空闲

0001 0111 23 17 ETB (end of trans. block) 传输块结束

0001 1000 24 18 CAN (cancel) 取消/作废

0001 1001 25 19 EM (end of medium) 介质中断

0001 1010 26 1A SUB (substitute) 替补

0001 1011 27 1B ESC (escape) 溢出

0001 1100 28 1C FS (file separator) 文件分割符

0001 1101 29 1D GS (group separator) 分组符

0001 1110 30 1E RS (record separator) 记录分离符

0001 1111 31 1F US (unit separator) 单元分隔符

0010 0000 32 20 空格

0010 0001 33 21 !

0010 0010 34 22 ”

0010 0011 35 23 #

0010 0100 36 24 $

0010 0101 37 25 %

0010 0110 38 26 &

0010 0111 39 27 ’

0010 1000 40 28 (

0010 1001 41 29 )

0010 1010 42 2A *

0010 1011 43 2B +

0010 1100 44 2C ,

0010 1101 45 2D -

0010 1110 46 2E .

0010 1111 47 2F /

0011 0000 48 30 0

0011 0001 49 31 1

0011 0010 50 32 2

0011 0011 51 33 3

0011 0100 52 34 4

0011 0101 53 35 5

0011 0110 54 36 6

0011 0111 55 37 7

0011 1000 56 38 8

0011 1001 57 39 9

0011 1010 58 3A :

0011 1011 59 3B ;

0011 1100 60 3C <

0011 1101 61 3D =

0011 1110 62 3E >

0011 1111 63 3F ?

0100 0000 64 40 @

0100 0001 65 41 A

0100 0010 66 42 B

0100 0011 67 43 C

0100 0100 68 44 D

0100 0101 69 45 E

0100 0110 70 46 F

0100 0111 71 47 G

0100 1000 72 48 H

0100 1001 73 49 I

0100 1010 74 4A J

0100 1011 75 4B K

0100 1100 76 4C L

0100 1101 77 4D M

0100 1110 78 4E N

0100 1111 79 4F O

0101 0000 80 50 P

0101 0001 81 51 Q

0101 0010 82 52 R

0101 0011 83 53 S

0101 0100 84 54 T

0101 0101 85 55 U

0101 0110 86 56 V

0101 0111 87 57 W

0101 1000 88 58 X

0101 1001 89 59 Y

0101 1010 90 5A Z

0101 1011 91 5B [

0101 1100 92 5C \

0101 1101 93 5D ]

0101 1110 94 5E ^

0101 1111 95 5F _

0110 0000 96 60 `

0110 0001 97 61 a

0110 0010 98 62 b

0110 0011 99 63 c

0110 0100 100 64 d

0110 0101 101 65 e

0110 0110 102 66 f

0110 0111 103 67 g

0110 1000 104 68 h

0110 1001 105 69 i

0110 1010 106 6A j

0110 1011 107 6B k

0110 1100 108 6C l

0110 1101 109 6D m

0110 1110 110 6E n

0110 1111 111 6F o

0111 0000 112 70 p

0111 0001 113 71 q

0111 0010 114 72 r

0111 0011 115 73 s

0111 0100 116 74 t

0111 0101 117 75 u

0111 0110 118 76 v

0111 0111 119 77 w

0111 1000 120 78 x

0111 1001 121 79 y

0111 1010 122 7A z

0111 1011 123 7B {

0111 1100 124 7C |

0111 1101 125 7D }

0111 1110 126 7E ~

0111 1111 127 7F DEL (delete) 删除

另外还有128-255的ASCII字符

字符集简史

6000年前 象形文字

3000年前 字母表

1838年到1854年 Samuel F. B. Morse发明了电报,字母表中的每个字符对应于一系列短的和长的脉冲

1821年到1824年 Louis Braille发明盲文,6位代码,它把字符、常用字母组合、常用单字和标点进行编码。

一个特殊的escape代码表示后续的字符代码应解释为大写。一个特殊的shift代码允许后续代码被解释为数字。

1931年 CCITT标准化Telex代码,包括Baudot #2的代码,都是包括字符和数字的5位代码。

1890年 早期计算机的字符码是从Hollerith卡片,6位字符码系统BCDIC(Binary-Coded Decimal Interchange Code:二进制编码十进制交

换编码)

60年代 扩展为8位EBCDIC,IBM大型主机的标准

1967年 美国信息交换标准码(ASCII:American Standard Code for Information Interchange)

在字符长度是6位、7位还是8位的问题上产生了很大的争议。从可靠性的观点来看不应使用替换字符,

因此ASCII不能是6位编码,但由于费用的原因也排除了8位版本的方案(当时每位的储存空间成本仍很昂贵)。

这样,最终的字符码就有26个小写字母、26个大写字母、10个数字、32个符号、33个句柄和一个空格,总共128个字符码。

ASCII现在记录在ANSI X3.4-1986字符集-用于信息交换的7位美国国家标准码(7-Bit ASCII:7-Bit American National

Standard Code for Information Interchange),由美国国家标准协会(American National Standards Institute)发布。

ASCII国际问题

ASCII是美国标准,所以它不能良好满足其它讲英语国家的需要。例如英国的英镑符号(£)在哪里?

拉丁语字母表重音符号,使用斯拉夫字母表的希腊语、希伯来语、阿拉伯语和俄语。

汉字系统的中国象形汉字,日本和朝鲜。

1967年,国际标准化组织(ISO:International Standards Organization)推荐一个ASCII的变种,代码0x40、0x5B、0x5C、0x5D、0x7B

、0x7C和0x7D“为国家使用保留”,而代码0x5E、0x60和0x7E标为“当国内要求的特殊字符需要8、9或10个空间位置时,可用于其它图形

符号”。这显然不是一个最佳的国际解决方案,因为这并不能保证一致性。但这却显示了人们如何想尽办法为不同的语言来编码的。

扩展ASCII

1981年 IBM PC ROM256个字符的字符集,即IBM扩展字符集。

1985年11 Windows字符集被称作“ANSI字符集”,遵循了ANSI草案和ISO标准(ANSI/ISO 8859-1-1987,简“Latin 1”。

ANSI字符集的最初版本:1987年4月代码页437,字符的映像代码,出现在MS-DOS 3.3

双字节字符集

双字节字符集(DBCS:double-byte character set),解决中国、日本和韩国的象形文字符和ASCII的某种兼容性。

DBCS从256代码开始,就像ASCII一样。与任何行为良好的代码页一样,最初的128个代码是ASCII。

然而,较高的128个代码中的某些总是跟随着第二个字节。

这两个字节一起(称作首字节和跟随字节)定义一个字符,通常是一个复杂的象形文字。

键盘常用ASCII码(十进制)

ESC键 VK_ESCAPE (27)

回车键: VK_RETURN (13)

TAB键: VK_TAB (9)

Caps Lock键: VK_CAPITAL (20)

Shift键: VK_SHIFT (16)

Ctrl键: VK_CONTROL (17)

Alt键: VK_MENU (18)

空格键: VK_SPACE (32)

退格键: VK_BACK (8)

左徽标键: VK_LWIN (91)

右徽标键: VK_LWIN (92)

鼠标右键快捷键:VK_APPS (93)

Insert键: VK_INSERT (45)

Home键: VK_HOME (36)

Page Up: VK_PRIOR (33)

PageDown: VK_NEXT (34)

End键: VK_END (35)

Delete键: VK_DELETE (46)

方向键(←): VK_LEFT (37)

方向键(↑): VK_UP (38)

方向键(→): VK_RIGHT (39)

方向键(↓): VK_DOWN (40)

F1键: VK_F1 (112)

F2键: VK_F2 (113)

F3键: VK_F3 (114)

F4键: VK_F4 (115)

F5键: VK_F5 (116)

F6键: VK_F6 (117)

F7键: VK_F7 (118)

F8键: VK_F8 (119)

F9键: VK_F9 (120)

F10键: VK_F10 (121)

F11键: VK_F11 (122)

F12键: VK_F12 (123)

Num Lock键: VK_NUMLOCK (144)

小键盘0: VK_NUMPAD0 (96)

小键盘1: VK_NUMPAD1 (97)

小键盘2: VK_NUMPAD2 (98)

小键盘3: VK_NUMPAD3 (99)

小键盘4: VK_NUMPAD4 (100)

小键盘5: VK_NUMPAD5 (101)

小键盘6: VK_NUMPAD6 (102)

小键盘7: VK_NUMPAD7 (103)

小键盘8: VK_NUMPAD8 (104)

小键盘9: VK_NUMPAD9 (105)

小键盘.: VK_DECIMAL (110)

小键盘*: VK_MULTIPLY (106)

小键盘+: VK_MULTIPLY (107)

小键盘-: VK_SUBTRACT (109)

小键盘/: VK_DIVIDE (111)

Pause Break键: VK_PAUSE (19)

Scroll Lock键: VK_SCROLL (145)

参考16:BACNET_OBJECT_TYPE

typedef enum {

OBJECT_ANALOG_INPUT = 0,

OBJECT_ANALOG_OUTPUT = 1,

OBJECT_ANALOG_VALUE = 2,

OBJECT_BINARY_INPUT = 3,

OBJECT_BINARY_OUTPUT = 4,

OBJECT_BINARY_VALUE = 5,

OBJECT_CALENDAR = 6,

OBJECT_COMMAND = 7,

OBJECT_DEVICE = 8,

OBJECT_EVENT_ENROLLMENT = 9,

OBJECT_FILE = 10,

OBJECT_GROUP = 11,

OBJECT_LOOP = 12,

OBJECT_MULTI_STATE_INPUT = 13,

OBJECT_MULTI_STATE_OUTPUT = 14,

OBJECT_NOTIFICATION_CLASS = 15,

OBJECT_PROGRAM = 16,

OBJECT_SCHEDULE = 17,

OBJECT_AVERAGING = 18,

OBJECT_MULTI_STATE_VALUE = 19,

OBJECT_TRENDLOG = 20,

OBJECT_LIFE_SAFETY_POINT = 21,

OBJECT_LIFE_SAFETY_ZONE = 22,

OBJECT_ACCUMULATOR = 23,

OBJECT_PULSE_CONVERTER = 24,

OBJECT_EVENT_LOG = 25,

OBJECT_GLOBAL_GROUP = 26,

OBJECT_TREND_LOG_MULTIPLE = 27,

OBJECT_LOAD_CONTROL = 28,

OBJECT_STRUCTURED_VIEW = 29,

OBJECT_ACCESS_DOOR = 30,

/* 31 was lighting output, but BACnet editor changed it… */

OBJECT_ACCESS_CREDENTIAL = 32, /* Addendum 2008-j */

OBJECT_ACCESS_POINT = 33,

OBJECT_ACCESS_RIGHTS = 34,

OBJECT_ACCESS_USER = 35,

OBJECT_ACCESS_ZONE = 36,

OBJECT_CREDENTIAL_DATA_INPUT = 37, /* authentication-factor-input */

OBJECT_NETWORK_SECURITY = 38, /* Addendum 2008-g */

OBJECT_BITSTRING_VALUE = 39, /* Addendum 2008-w */

OBJECT_CHARACTERSTRING_VALUE = 40, /* Addendum 2008-w */

OBJECT_DATE_PATTERN_VALUE = 41, /* Addendum 2008-w */

OBJECT_DATE_VALUE = 42, /* Addendum 2008-w */

OBJECT_DATETIME_PATTERN_VALUE = 43, /* Addendum 2008-w */

OBJECT_DATETIME_VALUE = 44, /* Addendum 2008-w */

OBJECT_INTEGER_VALUE = 45, /* Addendum 2008-w */

OBJECT_LARGE_ANALOG_VALUE = 46, /* Addendum 2008-w */

OBJECT_OCTETSTRING_VALUE = 47, /* Addendum 2008-w */

OBJECT_POSITIVE_INTEGER_VALUE = 48, /* Addendum 2008-w */

OBJECT_TIME_PATTERN_VALUE = 49, /* Addendum 2008-w */

OBJECT_TIME_VALUE = 50, /* Addendum 2008-w */

OBJECT_NOTIFICATION_FORWARDER = 51, /* Addendum 2010-af */

OBJECT_ALERT_ENROLLMENT = 52, /* Addendum 2010-af */

OBJECT_CHANNEL = 53, /* Addendum 2010-aa */

OBJECT_LIGHTING_OUTPUT = 54, /* Addendum 2010-i */

/* Enumerated values 0-127 are reserved for definition by ASHRAE. */

/* Enumerated values 128-1023 may be used by others subject to */

/* the procedures and constraints described in Clause 23. */

/* do the max range inside of enum so that

compilers will allocate adequate sized datatype for enum

which is used to store decoding */

OBJECT_PROPRIETARY_MIN = 128,

OBJECT_PROPRIETARY_MAX = 1023,

MAX_BACNET_OBJECT_TYPE = 1024

} BACNET_OBJECT_TYPE;

参考17:BACnetStatusFlags

参考18:BACnetEventState

参考19:BACnetPolarity
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