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    • 71. 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
    • US20140156887A1
    • 2014-06-05
    • US14114161
    • 2012-04-26
    • Florian Hartwich
    • Florian Hartwich
    • G06F5/06G06F13/42
    • H04L45/74G06F5/065G06F13/4282H04L12/40013H04L12/4135H04L2012/40215
    • A method is described for serial data transmission in a bus system having at least two participating data processing units, the data processing units exchanging messages via the bus, the sent messages having a logical structure in accordance with CAN standard ISO 11898-1. When a first changeover condition is present, then, deviating from CAN, the data field of the messages can include more than eight bytes, the values of the data length code being interpreted, given the presence of the first changeover condition to determine the size of the data field. For forwarding 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.
    • 描述了在具有至少两个参与数据处理单元的总线系统中进行串行数据传输的方法,数据处理单元经由总线交换消息,所发送的消息具有符合CAN标准ISO 11898-1的逻辑结构。 当存在第一转换条件时,然后,从CAN开始,消息的数据字段可以包括多于八个字节,数据长度代码的值被解释,给定存在第一转换条件以确定 数据字段。 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所使用的缓冲存储器的大小不同,则所转发的数据量至少对应于 数据字段与缓冲存储器之间的大小差异。
    • 74. 发明申请
    • DEVICE AND METHOD FOR SERIAL DATA TRANSMISSION AT A HIGH DATA RATE
    • 用于以高数据速率串行数据传输的装置和方法
    • US20130322463A1
    • 2013-12-05
    • US13883629
    • 2011-11-03
    • Florian HartwichRalf Machauer
    • Florian HartwichRalf Machauer
    • H04L12/24
    • H04L41/083G06F13/4072H04L12/4135
    • A device for connecting to a two-wire communications bus, a bus station that, while utilizing the device, is able to send messages, represented on the bus lines as dominant and recessive bus levels, to additional connected bus stations and receive same from them. The device includes (a) an arrangement setting a dominant bus level in the form of a first voltage difference between the two bus lines by driving a first electric current, and the device is suitable for the recessive bus level to set in as the second voltage difference between the two bus lines, at least partially by the flowing of a discharge current via terminating resistors connected to the bus lines; and (b) an arrangement to speed up the setting of at least one of the bus levels by driving at least one additional electric current, at least in response to the presence of a switching condition.
    • 用于连接到双线通信总线的设备,总线站在利用该设备的同时能够将在总线上表示的消息作为主导和隐性总线电平发送到附加连接的总线站并且从其接收它们 。 该装置包括(a)通过驱动第一电流来设置两条总线之间的第一电压差形式的主母线电平的装置,并且该装置适于将隐性总线电平设置为第二电压 两条总线之间的差异,至少部分地是通过连接到总线线路的终端电阻器的放电电流的流动; 以及(b)至少响应于是否存在切换条件,通过驱动至少一个附加电流来加速至少一个总线电平的设置的装置。
    • 78. 发明申请
    • MEDIA ACCESS CONTROL METHOD FOR A BUS SYSTEM AND COMMUNICATION DEVICE
    • 用于总线系统和通信设备的媒体接入控制方法
    • US20120189021A1
    • 2012-07-26
    • US13377886
    • 2010-06-09
    • Florian Hartwich
    • Florian Hartwich
    • H04L12/407
    • H04L12/413H04L12/4135
    • A media access control method is described for controlling access by one user station of a bus system to a first channel of the bus system utilized jointly by a plurality of user stations, where in the case of the method, at least one enable interval is specified for the user station, within which the user station has exclusive access to the first channel. In order to specify a media access control method in which large volumes of data may be transmitted relatively quickly and real-time conditions can be honored during the transmission of messages via the bus system, access to a second channel is utilized by a plurality of user stations is controlled using the method, the second channel being enabled for access by the user station only within the enable interval.
    • 描述了一种媒体访问控制方法,用于控制一个用户站对总线系统对由多个用户站联合使用的总线系统的第一信道的访问,其中在该方法的情况下,指定了至少一个使能间隔 对于用户站,其中用户站具有对第一信道的独占访问。 为了指定可以相对快速地传输大量数据的媒体访问控制方法,并且经由总线系统传送消息期间能够实现实时条件,多个用户使用对第二信道的访问 使用该方法来控制站,仅在启用间隔内由第二信道使能用户站访问。
    • 80. 发明授权
    • Method and apparatus for accessing data of a message memory of a communication module
    • 访问通信模块的消息存储器的数据的方法和装置
    • US08095740B2
    • 2012-01-10
    • US11659171
    • 2005-06-29
    • Florian HartwichChristian HorstFranz Bailer
    • Florian HartwichChristian HorstFranz Bailer
    • G06F12/00G06F3/00
    • H04L49/9089H04L49/90
    • A method and an apparatus for accessing data of a message memory of a communication module by inputting or outputting data into or from the message memory, the message memory being connected to a buffer memory assemblage and the data being transferred to the message memory or from the message memory, the buffer memory assemblage having an input buffer memory in the first transfer direction and an output buffer memory in the second transfer direction; and the input buffer memory and the output buffer memory each being divided into a partial buffer memory and a shadow memory, the following steps being performed in each transfer direction: inputting data into the respective partial buffer memory, and transposing access to the partial buffer memory and shadow memory, so that subsequent data can be inputted into the shadow memory while the previously inputted data are already being outputted from the partial buffer memory in the stipulated transfer direction.
    • 一种用于通过向消息存储器输入或输出数据来访问通信模块的消息存储器的数据的方法和装置,所述消息存储器连接到缓冲存储器组合,并且所述数据被传送到消息存储器或从 消息存储器,具有在第一传送方向上的输入缓冲存储器的缓冲存储器组合和在第二传送方向上的输出缓冲存储器; 并且每个输入缓冲存储器和输出缓冲存储器被分成局部缓冲存储器和影子存储器,在每个传送方向上执行以下步骤:将数据输入到各个部分缓冲存储器中,并且将访问转移到部分缓冲存储器 和阴影存储器,使得可以在先前输入的数据已经在规定的传送方向上从部分缓冲存储器输出的后续数据被输入到影子存储器中。