altera 公司的15IP源码 亲自测试还不错 有DIV, CONTER

软件环境：TI的zstack协议栈 硬件：CC2530无线单片机 功能：利用超声波模块实现测距（该模块型号：HC-SR04 在淘宝上非常常见） 可测2厘米到3米距离(Software environment: TI' s zstack protocol stack hardware: CC2530 wireless microcontroller features: use of ultrasonic ranging module (the module Model: HC-SR04 on Taobao very common) can be measured 2 cm to 3 meters)

done pwm control using vhdl ,you can look at it.

LDPC的编码模块和解码模块，实现802-3an协议的编码(The module of LDPC to implement the coding of the 802-3an protocol)

costas载波恢复算法 锁相环路，注释很清楚(costas carrier recovery algorithm PLL)

详细讲述TURBO码的FPGA实现原理，可作参考，不是码源(A detailed account of the FPGA implementation of principle of the TURBO code can be used as reference, not source code)

原创。掷骰子游戏，VHDL，quartus，北京邮电大学数电实验，实现随机掷骰子游戏，在数码管显示点数，点阵显示输赢，有开机动画以及开机音乐，可实现多人游戏等(games, VHDL, quartus,experiments of BUPT, pure originality,random game, in the digital display dots, dot matrix display winning or losing, there are boot animation and boot music, multiplayer gaming can be achieved)

用vhdl设计实现的多功能电子钟，可有日历，闹钟，修改等多种功能-With VHDL Design and Implementation of the multi-functional electronic bell, can have a calendar, alarm clock, to amend a variety of functions such as

8051的verilog内核，fpga里实现8051的话用得上-8051 Verilog cores, fpga achieve useful 8051 words

支持GF(2^n)域的rs编解码，可直接修改参数实现不同方式的RS编码和解码(This program is an encoder/decoder for Reed-Solomon codes.)

计算三平动并联机构工作空间，自己编的，测试可以用(Calculation of three translation parallel mechanism)