基于FPGA芯片，在Nios II IDE软件的开发环境下写的NIos II 软核uart源代码！...

VHDL语言基本数学运算库-VHDL basic arithmetic library

控制电话信令 完成忙碌 等待 回铃音振铃等(Signaling complete control over telephone ring so busy waiting ringback tone)

本源码为Nios II的开发示例,主要演示基于Nios II的uCOS的移植。开发环境QuartusII。 本示例十分经典，对基于SOPC开发的FPGA初学者有很大帮助。-The source code for the Nios II development of examples, mainly based on the Nios II shows the uCOS transplant. Development environment QuartusII. This example is very classic, FPGA-based SOPC development of great help for beginners.

关于I2C总线协议的verilog代码，里面包括了3个verilog代码(I2C bus protocol verilog code, which includes three verilog code)

四分频的程序，输出clkout0就是二分频，clkout1是四分频-Quarter-frequency process, the output clkout0 is two-way, clkout1-fourth the frequency

基于FPGA的画中画处理PDF技术文档，采用SD卡里图片读出来做为底图，然后再图上叠加另外一个图片或者视频(Based on the FPGA picture in picture processing PDF technical documentation )

采用SG3525实现感应加热电源的频率跟踪。(SG3525 is used to realize frequency tracking of induction heating power supply.)

huffman transform in vhdl language

此代码能够使得键盘控制液晶，实时的进行书写，按下Backspace清屏(This code enables the keyboard to control the LCD, in real-time writing, press Backspace clear the screen)

基于DSP28335的产生ADc采样的程序(Program for generating ADC sampling based on DSP28335)