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AUTOSAR R21-11(5) Log and Trace Protocol Specification

AUTOSAR Advent Calendar 2021

12/14日の投稿です。

AUTOSARが、12/7 今年の版、R21-11を公開しました。

文書は検索してダウンロードできます。

AUTOSAR R21-11(0)公開 Specificationをダウンロード

Log and Trace Protocol Specification

Document Title Log and Trace Protocol Specification
Document Owner AUTOSAR
Document Responsibility AUTOSAR
Document Identification No 787
Document Status published
Part of AUTOSAR Standard Foundation
Part of Standard Release R21-11

Document Change R21 - 11

  • Add support for specific format and precision coding (TYFM & TYPR).
  • Fix "RestoreToFactoryDefault()" to "ResetToFactoryDefault()" and fixes in response parameter of "GetLogInfo()".
  • Introduction of v2 of the protocol.
  • Non-VerboseMessage-format-ARXML is now in TPS_LogAndTrace_Extract.

英日単語帳

日本語は仮訳

no. count word 日本語
1 1220 the その
2 583 of
3 479 and
4 388 prs_dlt_ prs_dlt_
5 314 type
6 297 id identifier, 識別子(短縮名)
7 292 trace
8 286 x x
9 285 to
10 278 in の中に
11 270 is です
12 258 be です
13 258 message 伝言
14 243 a 一つの
15 241 log 記録
16 230 shall しなければならない
17 229 for にとって
18 229 rs_lt_ rs_lt_
19 214 protocol 規約
20 202 bit binary digit(短縮名)
21 173 data 与件
22 164 name 名前
23 157 dlt Diagnostic Log and Trace(短縮名)
24 156 length 長さ
25 139 or または
26 137 field 分野
27 137 number 番号
28 136 if もし
29 135 header 見出し
30 129 with
31 119 info information(短縮名)
32 108 information 情報
33 108 set 設定する
34 107 autosar AUTomotive Open System Architecture(短縮名)
35 98 application 応用
36 97 specification 仕様
37 97 uint unsigned integer(短縮名)
38 96 document 資料
39 90 r r
40 88 description 説明
41 85 autosar_prs_log autosar_prs_log
42 84 fo foundation(短縮名)
43 82 payload 負荷
44 80 this これ
45 77 used 使った
46 76 unsigned 符号なし
47 75 context 文脈
48 69 base 基づく
49 67 an 一つの
50 65 it それ
51 65 reserved 予約済み
52 64 level 水準
53 63 as なので
54 63 e e
55 63 ecu Electronic Control Unit(短縮名)
56 63 string 文字列
57 62 are です
58 62 following 続く
59 62 not いいえ
60 62 variable 変数
61 61 integer 整数
62 59 messages 伝言
63 58 by
64 58 extension 拡大
65 58 format 書式
66 57 verbose 冗長
67 55 source
68 55 value 価値
69 54 non
70 52 can できる
71 51 mode 状態
72 49 all すべて
73 49 status 状態
74 48 file 紙ばさみ
75 48 service 奉仕
76 47 parameter 引数
77 45 added 追加した
78 44 response 応答
79 42 dyn Dynamic Length Signals(短縮名?)
80 42 on の上
81 41 byte
82 41 float 浮く
83 39 error 誤り
84 39 module 部品
85 39 that それ
86 39 which どの
87 38 case 場合
88 38 control 制御
89 38 note 覚書
90 38 request 要求
91 38 sint signed integer(短縮名)
92 37 use 使用する
93 35 at
94 35 floa floating point(短縮名)
95 35 ids identifiers, 識別子(短縮名)
96 34 defined 定義済み
97 33 like 好き
98 33 not_supported not_supported
99 33 one 1
100 33 unit 単位

dynが、何の短縮形かの記述がみあたらなかった。

dynamic length signalのビット数の大きさごとの型名で利用している。

Reference

[1] ISO/IEC 7498-1:1994 Information technology - Open Systems Interconnection - Basic Reference Model: The Basic Model - Part 1
www.iso.org
[2] Log and Trace Protocol Specification v.1 AUTOSAR_PRS_LogAndTraceProtocol from release R20-11
[3] AUTOSAR Log And Trace Extract Template AUTOSAR_TPS_LogAndTraceExtract

short name

short name description
APID Application ID
CNTI Content information
CTID Context ID
Dlt Diagnostic Log and Trace
HTYP Header Type
LEN Overall Message Length
MCNT Message Counter
MSID Message ID
MSIN Message Info
MSTP Message Type
MTIN Message Type Info
NOAR Number of Arguments
TMSP Timestamp
VERB Verbose
VERS Version Number
WACID With App- and Context ID
WEID With ECU ID
WPVL With Privacy Level
WSFLN With Source File Name and Line Number
WSID With Session ID
WTGS With Tags
Log and trace message A log and trace message contains all data and options to describe a log and trace event in a software. The log and trace message consists of a header and payload.
Dlt User A Dlt User represents the source of a generated Dlt message. Possible users are Applications, RTE or other software modules
Log Message A Log Message contains debug information like state changes or value changes.
Trace Message A Trace messages contains information, which has passed via the VFB.
ECU ID The ECU ID is the name of an ECU, composed by 8-bit ASCII characters (e.g. "ABS0" or "InstrumentCluster").
Session A session is the logical entity of the source of log or trace messages. If a SW-C / application is instantiated several times, a session for each instance with a globally unique session ID is used.
Session ID The Session ID is the identification number of a log or trace session
Application ID Application ID is the name (or the abbreviation of it) of a SW-C / application. It identifies the SW-C / application that log and trace message originates.
Context ID Context ID is a user defined ID to group Log and Trace Messages generated by a SW-C / application. The following rules apply: * Each Application ID can own several Context IDs. * Context IDs are grouped by Application IDs. * Context IDs shall be unique within an Application ID. * The source of a log and trace message is identified using the tuple “Application ID” and “Context ID”. 8-bit ASCII characters compose the Context ID.
Message ID Messaged ID is the ID to characterize the information, which is transported by the message itself. A Message ID identifies a log or trace message uniquely. It can be used for identifying the source (in source code) of a message and it can be used for characterizing the payload of a message. A Message ID is statically fixed at development or configuration time and is used in conjunction with the "Non-Verbose Mode" (see later).
Log level A log level defines a classification for the severity grade of a Log Message.
Trace status The trace status provides information if a trace message should be sent.
Log Channel A physical Communications Bus which is used to transmit Dlt messages.
External client The external client is a tool to control, monitor and store the log/trace information provided by the ECUs using the Dlt module.
string For the Log and Trace Protocol a "string" defines a sequence of characters. Its length is either predefined by this document here, or there is a length specifier in front of it. The string contains only the character data for the text it represents without a special terminating item like the NULcharacter (\0).
Verbose Mode When the Dlt module is sending out Log and Trace information onto the communication channel, the sent data message contains also predefined, static data elements like names, units, format information, length and so on;
Non-Verbose Mode To reduce the network load on the communication channel, the Log and Trace data message contains as little of such metadata as possible. One of them is the Message-ID, which uniquely identifies this message and all of its content. All the above mentioned meta-data is handed over to the receiver via a separate extract file: together with the Message-ID, the receiver of a NonVerbose Mode message can reassemble the complete content, like sent in a Verbose Mode message.

Note

P.19

Note: "Network Byte Order" equals "Big Endian".

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