JP2015517267A - バスシステムの加入者局、及び、バスシステムの加入者間でメッセージを伝送する方法 - Google Patents
バスシステムの加入者局、及び、バスシステムの加入者間でメッセージを伝送する方法 Download PDFInfo
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- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
- G06F11/1012—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices using codes or arrangements adapted for a specific type of error
- G06F11/1016—Error in accessing a memory location, i.e. addressing error
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
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- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0745—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in an input/output transactions management context
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0751—Error or fault detection not based on redundancy
- G06F11/0763—Error or fault detection not based on redundancy by bit configuration check, e.g. of formats or tags
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0766—Error or fault reporting or storing
- G06F11/0772—Means for error signaling, e.g. using interrupts, exception flags, dedicated error registers
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- G—PHYSICS
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- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
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Abstract
Description
Claims (10)
- メッセージ(40)の送信すべきデータを、一時メモリ(14)への一時格納無しでRAM(22)から直接読み出すCANコントローラ(23)と、
前記CANコントローラ(23)のメモリアクセスエラーを検出し(S2、S5、S8、S21)、検出されたメモリアクセスエラーを処理する(S3、S4、S6、S7、S9、S10、S31、S41、S42、S43、S72、S73、S102、S103)メモリアクセスエラー検出/処理装置(25)と、
を備えた、バスシステム(1)の加入者局(20)。 - 前記メモリアクセスエラー検出/処理装置(25)は、エラーコードを設定することで(S3、S6、S9、S31)、前記検出されたメモリアクセスエラーを処理する(S2、S5、S8,S21)よう構成され、
前記CANコントローラ(23)はさらに、前記メモリアクセスエラー検出/処理装置(25)が前記エラーコードを設定した場合には所定の措置を実行する(S4、S7、S10、S41,S42、S43、S72、S73、S102、S103)、請求項1に記載の加入者局(20)。 - 前記メモリアクセスエラーとは、前記RAM(22)内でのパリティエラー、ECCエラー、時間的エラー又はデータ整合性エラーである、請求項1又は2に記載の加入者局(20)。
- 前記時間的エラーとは、前記CANコントローラ(23)により読み出されたRAMメモリワードが、当該メモリワードの第1ビットが前記バスシステム(1)のCANバス(30)上で送信される前に適時に提供されないエラーであり、前記データ整合性エラーとは、前記メッセージ(40)の内容が、前記メッセージ(40)の送信が進行する間にソフトウェアにより変更されるエラーである、請求項3に記載の加入者局(20)。
- 前記所定の措置(S4、S7、S10、S41)とは、前記CANコントローラ(23)がバス監視モードに遷移することであり、このために前記CANコントローラは、前記バス監視モードへと遷移するよう構成される、請求項2〜4のいずれか1項に記載の加入者局(20)。
- 前記所定の措置(S42、S72、S102)とは、前記CANコントローラ(23)が、メッセージ(50)の送信の際に、エラー部又は更に代替的に過負荷部により当該メッセージ(50)を中断することであり、このために前記CANコントローラは、エラー部(55)又は過負荷部(56)により前記メッセージ(50)のデータ部を中断するよう構成される、請求項2〜4のいずれか1項に記載の加入者局(20)。
- 前記所定の措置(S43、S73、S103)とは、前記CANコントローラがメッセージの送信の際に無効なチェックサムを送信することであり、このために、前記メッセージ(60)のデータ部(62)を変更せずに送信するが前記メッセージ(60)内で無効なチェックサム(66)を送信するよう構成される、請求項2〜4のいずれか1項に記載の加入者局(20)。
- 請求項1〜7のいずれか1項に記載の少なくとも1つの加入者局(20)を備えた、加入者局(10、20)間でメッセージ(40、50、60)を伝送するバスシステム(1)。
- 前記バスシステム(1)は、CANプロトコル又はCAN FDプロトコルを利用してデータ(40)を伝送するよう構成される、請求項8に記載のバスシステム(1)。
- CANコントローラ(23)によって、メッセージ(40)の送信すべきデータを、一時メモリ(14)への一時格納無しでRAM(22)から直接読み出す工程(S1)と、
メモリアクセスエラー検出/処理装置(25)によって、前記CANコントローラ(23)のメモリアクセスエラーを検出する工程(S2、S5、S8、S21)と、
前記メモリアクセスエラー検出/処理装置によって、検出されたメモリアクセスエラーを処理する工程(S3、S4、S6、S7、S9、S10、S31、S41、S42、S43、S72、S73、S102、S103)と、
を含む、バスシステム(1)の加入者局(10、20)間でメッセージ(40)を伝送する方法。
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DE102012205988.1 | 2012-04-12 | ||
DE102012205988A DE102012205988A1 (de) | 2012-04-12 | 2012-04-12 | Teilnehmerstation für ein Bussystem und Verfahren zur Übertragung von Nachrichten zwischen Teilnehmerstationen eines Bussystems |
PCT/EP2013/057101 WO2013152987A1 (de) | 2012-04-12 | 2013-04-04 | Teilnehmerstation für ein bussystem und verfahren zur übertragung von nachrichten zwischen teilnehmerstationen eines bussystems |
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JP2015517267A true JP2015517267A (ja) | 2015-06-18 |
JP5977437B2 JP5977437B2 (ja) | 2016-08-24 |
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US (1) | US9652322B2 (ja) |
EP (1) | EP2836912B1 (ja) |
JP (1) | JP5977437B2 (ja) |
KR (1) | KR102099789B1 (ja) |
CN (1) | CN104364764B (ja) |
BR (1) | BR112014025297B1 (ja) |
DE (1) | DE102012205988A1 (ja) |
WO (1) | WO2013152987A1 (ja) |
Families Citing this family (10)
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DE102014215469A1 (de) * | 2014-08-05 | 2016-02-11 | Robert Bosch Gmbh | Kommunikationssteuereinrichtung für eine Teilnehmerstation eines Bussystems, Programmierwerkzeug und Verfahren zum Programmieren von Teilnehmerstationen in einem Bussystem, das nach unterschiedlichen Protokollen kommunizierende Teilnehmerstationen aufweist |
US11016925B2 (en) * | 2015-03-26 | 2021-05-25 | Nxp Usa, Inc. | Protocol-tolerant communications in controller area networks |
FR3040806B1 (fr) * | 2015-09-07 | 2019-10-11 | Continental Automotive France | Calculateur electronique de vehicule compatible avec le protocole de communication can-fd |
JP6500875B2 (ja) * | 2016-10-25 | 2019-04-17 | トヨタ自動車株式会社 | 車載ネットワークシステム、及び、車載ネットワークシステムにおける通信制御方法 |
JP6838234B2 (ja) * | 2017-03-24 | 2021-03-03 | 日立Astemo株式会社 | 車両制御装置 |
DE102017213835A1 (de) * | 2017-08-08 | 2019-02-14 | Robert Bosch Gmbh | Schwingungsreduktionseinheit für ein Bussystem und Verfahren zur Reduzierung einer Schwingneigung beim Übergang zwischen unterschiedlichen Bitzuständen |
DE102017223774A1 (de) * | 2017-12-22 | 2019-06-27 | Robert Bosch Gmbh | Teilnehmerstation für ein serielles Bussystem und Verfahren zur Fehlersignalisierung für eine in einem seriellen Bussystem empfangene Nachricht |
DE102018203672A1 (de) * | 2018-03-12 | 2019-09-12 | Robert Bosch Gmbh | Sende-/Empfangseinrichtung für ein Bussystem und Verfahren zur Reduktion von leitungsgebundenen Emissionen |
DE102018115100A1 (de) * | 2018-06-22 | 2019-12-24 | Krohne Messtechnik Gmbh | Verfahren zur Fehlerbehandlung bei Buskommunikation und Buskommunikationssystem |
CN110247958B (zh) * | 2019-05-23 | 2021-09-17 | 厦门理工学院 | 一种考虑计算和网络协同的车载can fd信号打包方法 |
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WO2013152987A1 (de) | 2013-10-17 |
EP2836912B1 (de) | 2020-08-12 |
DE102012205988A1 (de) | 2013-10-17 |
BR112014025297B1 (pt) | 2021-11-09 |
CN104364764A (zh) | 2015-02-18 |
US9652322B2 (en) | 2017-05-16 |
KR20150004833A (ko) | 2015-01-13 |
EP2836912A1 (de) | 2015-02-18 |
BR112014025297A2 (pt) | 2017-06-20 |
US20150082123A1 (en) | 2015-03-19 |
KR102099789B1 (ko) | 2020-04-10 |
CN104364764B (zh) | 2018-06-08 |
JP5977437B2 (ja) | 2016-08-24 |
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