在DE2开发板上实现的SD卡mp3音乐播放器。硬件部分用Verilog语言编写，在Quartus上编译；软件部分用C语言编写，在Nios2上编译运行。-DE2 development board in the realization of the SD card mp3 music player. Hardware using Verilog language, compiled in the Quartus software with C language, compiled to run