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机构地区:[1]北京航空航天大学仪器科学与光电工程学院,北京100191
出 处:《半导体光电》2017年第2期232-237,241,共7页Semiconductor Optoelectronics
摘 要:针对SpaceWire数据通信的特点,提出一种实现SpaceWire接口卡的方法。通过对SpaceWire总线技术和PCIe总线技术的研究,提出以RMAP_IP核为基础,利用PCIe实现SpaceWire节点设备与星载主机的通信。重点介绍了SpaceWire接口卡硬件设计的方案,同时自主研制了驱动程序与应用程序对该方法进行了验证。实验表明:该接口卡具有设计简单、尺寸小、应用范围广,以及低功耗等特点,可以实现SpaceWire设备和上位机进行通信的功能,并可用来对SpaceWire网络通信状况进行实时监测。According to the characteristics of SpaceWire data communication,put forward is a method of realizing SpaceWire communication card.Based on the research of the SpaceWire and PCIe bus technology,it is proposed to use PCIe to implement the communication between SpaceWire node and satellite computer on the basis of RMAPIP core.The design of the hardware of SpaceWire communication card is mainly introduced and the driver and application programs are designed to certificate the card's function. Experiments show that the communication card owns the advantages of small dimension,simple operation,low power consumption and wide applications.It can implement the function of communication between SpaceWire device and computer and can be used for real-time monitoring of SpaceWire netwok communication status.
分 类 号:TN919.2[电子电信—通信与信息系统]
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