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    • 75. 发明授权
    • Method and filter system for filtering messages received via a serial data bus of a communication network by a user of the network
    • 用于过滤由网络的用户通过通信网络的串行数据总线接收的消息的方法和过滤系统
    • US09154324B2
    • 2015-10-06
    • US12922010
    • 2009-03-05
    • Florian HartwichFranz BailerMarkus IhleChristian Horst
    • Florian HartwichFranz BailerMarkus IhleChristian Horst
    • G06F15/16H04L12/40H04L29/06H04L12/46
    • H04L12/40032H04L12/4625H04L63/0227H04L2012/40215
    • A method and a filter system for filtering messages which are received, via a serial data bus of a communications network, in a communication module of a user connected to the data bus. To allow particularly simple and efficient filtering of incoming messages, even when there is a large number of filtering criteria, it is proposed that the filter system includes a list in which multiple identifier pairs are stored which define a range delimited in each case by a first identifier and a second identifier. The identifier for an incoming message is compared at least to selected identifier pairs from the list, and a query is made concerning whether the identifier for the incoming message is greater than, or greater than or equal to, the selected first identifier, and is less than, or less than or equal to, the selected second identifier. The incoming message is forwarded to the application or rejected, depending on the configuration bit specification, if the identifier for the incoming message is within the range delimited by the first identifier and the second identifier.
    • 一种用于过滤经由通信网络的串行数据总线接收到连接到数据总线的用户的通信模块中的消息的方法和滤波器系统。 为了允许对输入消息进行特别简单和有效的过滤,即使当存在大量的过滤标准时,建议过滤器系统包括其中存储多个标识符对的列表,其定义了在每种情况下由第一 标识符和第二标识符。 输入消息的标识符至少与列表中的所选标识符对进行比较,并且查询进入消息的标识符是否大于或大于或等于所选择的第一标识符,并且较少 小于或等于所选择的第二标识符。 如果输入消息的标识符在由第一标识符和第二标识符限定的范围内,则根据配置位规范将传入消息转发到应用或被拒绝。
    • 77. 发明申请
    • Method and Device for Serial Data Transmission Having a Flexible Message Size and a Variable bit Length
    • 串行数据传输的方法和设备具有灵活的消息大小和可变位长度
    • US20140258571A1
    • 2014-09-11
    • US14129611
    • 2012-06-26
    • Florian HartwichChristian Horst
    • Florian HartwichChristian Horst
    • G06F13/42
    • G06F13/4295G06F13/4282H04L1/0083H04L12/40169H04L47/36H04L2001/0094H04L2012/40215
    • A method for serial data transfer in a bus system having at least two bus subscribers that exchange messages via the bus, the transmitted messages having a logical structure according to CAN standard ISO 11898-1, the logical structure encompassing a start of frame bit, arbitration field, control field, data field, CRC field, acknowledge field, and end of frame sequence, the control field encompassing a data length code that contains an information item regarding the length of the data field. The method is characterized in that when a first marker (EDL) is present, the control field of the messages, divergently from ISO 11898-1, encompasses more than six bits; the first marker (EDL) being implemented by way of a recessive bit in the control field, and when the first marker is present, the recessive bit of the first marker (EDL) being followed, in all data messages, by at least one dominant bit.
    • 一种总线系统中的串行数据传输方法,具有经由总线交换消息的至少两个总线用户,所发送的消息具有根据CAN标准ISO 11898-1的逻辑结构,包含帧位开始的逻辑结构,仲裁 字段,控制字段,数据字段,CRC字段,确认字段和帧序列结束,所述控制字段包含包含关于数据字段的长度的信息项的数据长度代码。 该方法的特征在于当存在第一标记(EDL)时,来自ISO 11898-1的分歧的消息的控制字段包含六位以上; 第一标记(EDL)通过控制字段中的隐性位来实现,并且当存在第一标记时,所有数据消息中的第一标记(EDL)的隐性位被至少一个占优势 位。
    • 78. 发明申请
    • Method And Device For Serial Data Transmission Having A Flexible Message Size And A Variable Bit Length
    • 串行数据传输的方法和设备具有灵活的消息大小和可变位长度
    • US20140244871A1
    • 2014-08-28
    • US14129588
    • 2012-06-26
    • Florian HartwichChristian Horst
    • Florian HartwichChristian Horst
    • G06F13/42
    • G06F13/4291G06F13/4282H04L1/0083H04L12/40169H04L47/36H04L2001/0094H04L2012/40215
    • A method for serial data transfer in a bus system having at least two bus subscribers that exchange messages via the bus, the transmitted messages having a CAN standard ISO 11898-1 structure, where for a first marker (EDL), the control field of the messages, divergently from ISO 11898-1, encompasses more than 6 bits, and for the EDL, the data field of the messages, divergently from ISO 11898-1, may encompass more than 8 bytes, the values of the 4 bits of the data length code being interpreted divergently from ISO 11898-1 to establish the data field size, and for a second marker (BRS), the bit length for at least one predefined or predefinable region within the message assumes a value that is shortened as to the bit length used before the second marker was present, the region beginning at the earliest with the second marker and ending at the latest with the CRC delimiter, and the BRS occurring only when the EDL is present, and occurring in the control field of the messages which encompasses more than 6 bits.
    • 一种用于在具有至少两个总线用户的总线系统中进行串行数据传输的方法,所述总线用户经由总线交换消息,所发送的消息具有CAN标准ISO 11898-1结构,其中对于第一标记(EDL),对于第一标记 来自ISO 11898-1的消息包含超过6位,对于EDL,从ISO 11898-1发散的消息的数据字段可能包含超过8个字节,数据的4位值 长度代码从ISO 11898-1分歧地解释以建立数据字段大小,对于第二标记(BRS),消息内的至少一个预定义或可预定义区域的位长度假定相对于位的缩短的值 在第二个标记存在之前使用的长度,区域以最早的第二个标记开始,最后以CRC定界符结束,BRS仅在EDL存在时发生,并且发生在消息的控制字段中 encompa 超过6位。
    • 79. 发明授权
    • Communication system having a can bus and a method for operating such a communication system
    • 具有CAN总线的通信系统和用于操作这种通信系统的方法
    • US08819327B2
    • 2014-08-26
    • US12811510
    • 2009-03-04
    • Florian Hartwich
    • Florian Hartwich
    • G06F13/36G06F13/40
    • G06F13/4027H04L12/413
    • A communication system having one CAN bus and at least two devices interconnected by the CAN bus is described, at least one of the devices including: i) a CAN controller, which is suitable for transmitting CAN data frames over the CAN bus using a first physical protocol in a first operating mode; ii) an asynchronous serial communication interface unit, which is suitable for transmitting ASC data frames over the CAN bus using a second physical protocol in a second operating mode; iii) a first switching means, which is suitable for switching the first operating mode and the second operating mode depending on at least one agreement in effect between the device and at least one of the other devices; and iv) another switching means, which is suitable for switching the device to a third (restricted) operating mode, which differs from the first operating mode and the second operating mode, for powering up the device.
    • 描述了具有一个CAN总线和至少两个通过CAN总线互连的设备的通信系统,所述至少一个设备包括:i)CAN控制器,其适用于通过CAN总线上的CAN数据帧,使用第一物理 协议在第一操作模式; ii)异步串行通信接口单元,其适于在第二操作模式中使用第二物理协议在CAN总线上发送ASC数据帧; iii)第一切换装置,其适合于根据装置与至少一个其它装置之间的至少一个协议来切换第一操作模式和第二操作模式; 以及iv)适于将设备切换到与第一操作模式和第二操作模式不同的第三(受限)操作模式的另一个开关装置,用于为设备供电。
    • 80. 发明申请
    • METHOD AND DEVICE FOR SERIAL DATA TRANSMISSION WHICH IS ADAPTED TO MEMORY SIZES
    • 用于串行数据传输的方法和装置,其适应于存储器尺寸
    • US20140177651A1
    • 2014-06-26
    • US14114167
    • 2012-04-26
    • Florian Hartwich
    • Florian Hartwich
    • H04L12/741
    • H04L45/74G06F5/065G06F13/4282H04L12/40013H04L12/4135H04L2012/40215
    • A method for exchanging messages via a bus in accordance with CAN standard ISO 11898-1, the logical structure including a start-of-frame bit, an arbitration field, a control field, a data field, a CRC field, an acknowledge field, and an end-of-frame sequence, and the control field including a data length code, the data field of the messages can include more than eight bytes, the values of the data length code being interpreted to determine the size of the data field. For the forwarding of data between the data field and the application software, at least one buffer memory is provided, and, if the size of the data field differs from the size of the buffer memory used, the forwarded quantity of data is adapted at least corresponding to the difference in size between the data field and the buffer memory used.
    • 根据CAN标准ISO 11898-1经由总线交换消息的方法,包括帧起始位,仲裁字段,控制字段,数据字段,CRC字段,确认字段的逻辑结构, 和帧结束序列,并且控制字段包括数据长度码,消息的数据字段可以包括多于八个字节,数据长度码的值被解释以确定数据字段的大小。 为了在数据字段和应用软件之间转发数据,提供至少一个缓冲存储器,并且如果数据字段的大小与使用的缓冲存储器的大小不同,则转发的数据量至少适应 对应于数据字段与使用的缓冲存储器之间的大小差异。