FPGA实现打车计程系统

一个简单的23计数器，用VHDL实现，可供初学者学习。(A simple 23 counters, with the VHDL implementation, available for beginners.)

一组练习，关于VHDL的一些基础的知识和练习可以参考一些具体的问题-A group of exercises, on a number of VHDL-based knowledge and practice can refer to some specific questions

depends on irda transmitter recever

一个NiosII可用的LCD12864 IPcore，含例子-A NiosII available LCD12864 IPcore, with examples

乘法器功能 直接实现两个数字信号的相乘～-Multiplier features two digital signal direct implementation of the multiplication ~

液晶显示屏显示汉字“年”的驱动程序VHDL(nian VHDL)

说明：  FPGA应用状态机版，适合初学者学习状态机三段式，ASMD图的理解和翻译，以及Verilog语言的应用 最后对仿真的一些理解 其中包含HDL设计及testbench描述 根据要求设计了一个能求出一个32bit字中两个相邻0之间最大间隙的电路。(FPGA application state machine version, suitable for beginners to learn state machine three-stage, ASMD chart understanding and translation, and Verilog language application. Finally, some understanding of simulation, including HDL design and testbench description According to the requirements, a circuit is designed to find the maximum gap between two adjacent zeros in a 32 bit word.)

基于vhdl的按键检测程序。可以有效消除抖动(vhdl key dectect program)

说明：  使用FPGA实现RGB图像转灰度图像的算法，下载入自己的电路板可直接将摄像头拍摄到的图像实时转换成灰度图像(FPGA is used to realize the algorithm of transforming RGB image into gray image. The image captured by the camera can be converted into gray image in real time by downloading it into its own circuit board)

说明：  先用Matlab理论仿真，再用Verilog语言在ISE环境下编写程序，可通过手机发送指令来控制上下变频器的参数。(Firstly, we use the theory of MATLAB to simulate, and then use Verilog language to write programs in ISE environment. The parameters of up-down converter can be controlled by sending instructions from mobile phone.)