进行选择加法器

说明：  本书介绍基于FPGA实现数字信号处理的原理与方法，作为Xilinx公司相关课程的培训教材(The FPGA implementation of DSP principle & method.)

运用quartus 软件模拟的电子琴，实现按键出现不同音调的音乐。(Quartus software simulation using keyboard, keys appear to achieve different tones of music.)

基于VHDL语言的串口发送和接收程序,自己调试通过，并已经运用在工程中(Based on the serial port to send and receive procedures VHDL language, its own debugging, and has been used in the project)

fifo的代码,经过测试可以使用，很有用处，可以放心使用(a fifo module,the code has been tested and it is usefull)

利用verilog编写的电梯程序，实现基本的电梯运行功能(Elevator program written by Verilog)

说明：  希望对VHDL的学习大家有帮助，望大家指出错误，浮想交流！(We want to learn VHDL help, hope you point out an error, daydreams exchange!)

不同角度cordic在接收端的解调

说明：  配置ADS4449,SPI接口；中文说明不能小于20字(Configure ads4449,Chinese description cannot be less than 20 words)

FPGA生成伪随机数,希望对加密的童鞋有用(FPGA generates pseudo-random numbers, we want to be useful)

PCI arbi verilog source code