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在简要描述通用软件无线电处理平台系统结构的基础上,设计了基于高速微控制器DS80C411的网络接口,详细介绍网络接口的硬件和软件实现,其中包括DS80C411端的固件程序、主机端界面程序和FPGA端的接口程序编写。通过网络接口用户可以远程读写处理平台上FPGA的内部RAM,在实际使用中增强了系统的灵活性。目前此设计经过测试,已成功应用于项目中。
On the basis of a brief description of the architecture of general software radio processing platform, a network interface based on high-speed micro-controller DS80C411 is designed and the hardware and software implementation of the network interface are introduced in detail. These include the firmware program of DS80C411, host interface program and FPGA Interface programming. Through the network interface, users can read and write the internal RAM of the FPGA on the processing platform remotely and enhance the flexibility of the system in actual use. At present, this design has been tested and successfully applied to the project.