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    • 9. 发明申请
    • TEST DEVICE AND A TEST METHOD
    • 测试设备和测试方法
    • US20090041047A1
    • 2009-02-12
    • US12127715
    • 2008-05-27
    • Olav AUGUSTINJochen BraunMarkus FischerMartin Gossner
    • Olav AUGUSTINJochen BraunMarkus FischerMartin Gossner
    • H04L12/28
    • H04L49/90H04L12/403H04L43/50H04L2012/40273
    • A test device and a test method, the test device comprising a bus controller for the transmission and reception of bus messages, the bus controller having a message memory for offering transmission data for bus messages, the message memory having a memory capacity for a bus message sequence with bus messages to be transmitted within a single transmission cycle or a transmission cycle sequence. The test device includes an intermediate memory for the storage of transmission data for bus messages with a larger storage capacity than the message memory. The test device furthermore comprises a transmission preparing means for reading transmission data from the intermediate memory and for writing, in advance of reading of the bus controller, to the message memory of the bus controller so that the bus message sequence is expanded by additional bus messages which are transmitted by the bus controller within the transmission cycle or the transmission cycle sequence on the motor vehicle bus.
    • 一种测试装置和测试方法,所述测试装置包括用于发送和接收总线消息的总线控制器,所述总线控制器具有用于提供总线消息的传输数据的消息存储器,所述消息存储器具有用于总线消息的存储器容量 具有要在单个传输周期或传输周期序列内传输的总线消息的序列。 测试装置包括用于存储具有比消息存储器更大的存储容量的总线消息的传输数据的中间存储器。 测试装置还包括传输准备装置,用于从总线控制器的消息存储器读取总线控制器的读取之前,从中间存储器读取传输数据,并且在总线控制器的消息存储器之间进行写入,以便通过附加总线消息来扩展总线消息序列 由总线控制器在机动车辆总线上的传输周期或传输周期序列中传输。