FPGA UART的发送等

EDA技术以EDA软件工具为开发环境，以可编程逻辑器件为实验载体，实现源代码编程和仿真功能。VHDL作为一种标准化的硬件描述语言用于描述数字系统的结构、行为、功能和接口。本设计提出了一种基于VHDL语言的编码器和译码器的实现方法。编码器与译码器是计算机电路中基本的器件，本课程设计采用EDA技术设计编码和译码器。编码器由8线-3线优先编码器作为实例代表，译码器则包含3线-8线译码器和2线-4线译码器两个实例模块组成。课程设计采用硬件描述语言VHDL把电路按模块化方式进行设计，然后进行编程、时序仿真和分析等。课程设计结构简单，使用方便，具有一定的应用价值。 (EDA technology take the EDA software as tools for the development of the environment,programmable logic devices in experimental carrier,the realiztion of the source code programming and simulation. The VHDL as a standardized hardware description language used to describe the struction of digital systems,behavior,function and interface. The paper proposes a method for encoder and decoder based on the VHDL language.Encoder and decoder is a basic computer circuit devices.This Curriculum design by EDA design encoder and decoder.Encoders from 8- 3 priority encoder for example,and decoder includes 3- 8 decoder and the 2- 4 examples of the two decoder modules.And then to program, the timing simulation and analysis.Curriculum design, simple structure, easy to use and has a value.)

D-flip flop vhdl implement code

LCD 驱动的IPCORE，可用于alteraFPGA(LCD driver IPCORE, can be used to alteraFPGA)

veilog 代码 用户可以直接调用，作为底层模块。同时已经编译成功，可以作为基本单元库。-veilog code user can derict use it for the base mode.

NiosII_Exercises_Ver3,this niosII 3.o for cyclone

PPM编码器的测试文件，可以测试PPM编码是否正确(PPM encoder test file, you can test whether the correct PPM encoding)

基于FPGA编写的verilog代码，在xilinx上仿真实现FFT变换(FPGA-based verilog code written in xilinx FFT transform Simulation)

说明：  使用verilog实现的双电梯控制器，1-9层，仿真通过(a bi-elevator controller written in VerilgHDL, which has floor1-9, simulation passed)

用双端口ram实现异步fifo，采用格雷码，避免产生毛刺。-Using dual-port ram realize asynchronous fifo, the use of Gray code, avoiding the production of burr.

UART RS232 IPCORE for sopc builder -RS232 UART IPCORE for sopc builder