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多主对等总线系统上数据冲突频率的大大增加,导致重要信息无法得到及时处理。为了解决这一问题,文章以典型的多主对等总线CAN总线为例,介绍了一种基于同步多主对等总线通信系统的设计方法,包括硬件设计和软件设计两部分,该方法的优点是仅在总线系统分配的时间段内发送数据,避免在总线上产生冲突,提高车载系统信息传递的可靠性。
Multi-master peer bus system greatly increased the frequency of data conflicts, resulting in important information can not be handled in time. In order to solve this problem, this article takes a typical CAN bus as an example, introduces a design method based on synchronous multi-master peer-to-peer bus communication system, including hardware design and software design. The advantages of this method Only in the bus system to allocate the time period to send data to avoid conflict on the bus to improve the reliability of vehicle-mounted system information transmission.