用VHDL编写的EPP通信协议，可以同时收发字节

RobustVerilog生成verilog工具(RobustVerilog version)

这是一个HDB3编码器，可以将普通的二进制序列转化为符合HDB3编码规则的双极性序列-This is a HDB3 encoder, can be transformed into an ordinary binary sequences in order to comply with the rules of HDB3 bipolar coding sequence

说明：  Verilog实现的加减法功能计数器，通过独立的自增自减信号控制计数器进行自增计数和自减计数(Function counter of addition and subtraction implemented by Verilog)

QPSK调制下的（5,7）卷积码的编码和维特比译码与BPSK调制下（5,7）卷积码的编码和维特比译码的BER特性(QPSK modulation under (5,7) convolutional code encoding and Viterbi decoding and BPSK modulation (5,7) convolutional code encoding and Viterbi BER characteristic)

这是一个时钟的VHDL的源程序，里面包含有源程序，还有工程文件对大家很有帮助-This is a clock VHDL source code, which contains the source code, as well as engineering documents helpful to everyone

quartus ii 环境下，一个完整的利用TEXTIO仿真的源代码，包括读数据文件和输出数据到文件。(Under quartus ii environment, a complete simulation using TEXTIO source code, including reading data files and output data to a file.)

一个用Verilog编写的编帧、解帧及码速匹配的程序，相当经典(Verilog prepared with a series of frames, frames and solutions yards speed matching procedures, rather classic!)

自动售货机，投币自动售货 MaxplusII下运行-Vending machines, coin-operated automatic vending MaxplusII run

使用FPGA完成AGC 自动增益的代码，适合初学者(FPGA to complete the use of AGC automatic gain code, suitable for beginners)

Library OLED SSD1305