用DE2开发板实现的网络控制器。硬件用Verilog语言编写，在Quartus上编译；软件用C语言编写，在Nios2上编译运行。程序已经过测试，功能完好。-DE2 development board with the realization of the network controller. Hardware using Verilog language, compiled in the Quartus software with C language, compiled to run in