verilog easy to achieve CPI general

用于FPGA的huffman算法的HDL编码，包括VHDL及Verilog代码。可用于JPEG及MPEG压缩算法。(The huffman algorithm for FPGA HDL coding, including VHDL and Verilog code. Can be used in JPEG and MPEG compression algorithms.)

实现矩阵相乘，即点积运算，为VERILOG语言。可以根据自己的需要改变维数，采用了流水线的结构(Achieve matrix multiplication, ie dot product operations, for VERILOG language. You can change the dimension according to their needs, using a pipeline structure)

CODE_VHDL_INITIALIZING 液晶电视 DISPLAY(KHỞI TẠO HIỂN THỊ LCD)

一段很好地讲述PWM的VHDL硬件代码，可以在不同SOPC上运行实现

适用于满足I2C协议的flash读/写操作程序，只需要设置要读/写的字节数，就可以直接使用！-Applicable to meet the I2C protocol flash read/write operations, only need to set to read/write number of bytes can be used directly!

基于数码管独立显示和三色灯的交通指示系统设计(Design of Traffic Indicator System Based on Digital Tube Independent Display and Tri-color Lamp)

说明：  编码方式为213的Viterbi卷积码编码器和译码器的FPGA的实现，包含整个QuartusＩＩ的工程文件，解码方式为寄存器交换法(Encoding for the 213 convolutional code encoder and Viterbi decoder FPGA realization of the project file that contains the entire QuartusII, decoding method for the register exchange)

1）选择一个语音信号作为分析对象，或录制一段语音信号； 2）对语音信号进行采样，画出采样前后语音信号的时域波形和频谱图； 3）利用MATLAB中的随机函数产生噪声加入到语音信号中，使语音信号被污染，然后进行频谱分析； 4）设计用于处理该语音信号的数字滤波器，给出滤波器的性能指标，画出滤波器的频率响应； 5）对被噪声污染的语音信号进行滤波，画出滤波前后信号的时域波形和频谱，并对滤波前后的信号进行比较和分析； 6）回放各步骤的语音信号，给出相应处理程序及运行结果分析。(1) Select a voice signal as an analysis object, or record a voice signal 2) sampling the voice signal, draw the waveform and frequency spectrum of the time domain before and after sampling the speech signal 3) using the random function in MATLAB generated noise was added to the speech signal, the speech signal to be contaminated, and then spectrum analysis 4) for processing the speech signal, the digital filter design, given the performance of the filter to draw the filter' s frequency response 5) on the noise pollution of the speech signal is filtered, time-domain waveform and spectrum draw before and after filtering the signal before and after filtering, and the signal for comparison and analysis 6) playback of the speech signal for each step, given the results of the corresponding processing procedures and run analysis.)

用Vivado IPI搭建的Zynq-7000 PS到PL通信过程，使用了AXI-HP接口，利用AXI-DMA IP实现直接读写DDR的过程，软件可以配置传输尺寸。(The Zynq-7000 PS to PL communication process is built by Vivado IPI. AXI-HP interface is used, and AXI-DMA IP is used to read and write DDR directly. The software can configure the transmission size.)

执行 256 点， 基数 4 IFFT 算法，提出了一种高速和 16 位复杂 IFFT。通过 使用固定的几何寻址模式，管道设计和块浮点 结构，数据具有更高的精度和动态范围。建议 本文分析了逻辑大小、 面积、 功耗的体系结构 使用 Xilinx 8.2。