基于nios2的花样灯

以Actel FPGA作为控制核心，通过自然采样法比较1个三角载波和3个相位差为1 200的正弦波，利用Verilog HDL语言实现死区时间可调的SPWM全数字算法，并在Fushion StartKit开发板上实现SPWM全数字算法。(With Actel FPGA as the control core, between 1 and 3 triangular carrier phase difference of 1200 sine wave by natural sampling, realize the adjustable dead time using Verilog HDL language of the SPWM digital algorithm and digital SPWM algorithm is realized in Fushion StartKit development board.)

3 到 8 解码器使用 case 函数 玩得愉快

说明：  使用FPGA的FIFO，状态机，乒乓操作等实现了异步UART。(The use of FPGA-FIFO, state machine, ping-pong operation to achieve the asynchronous UART.)

本程序用以驱动安捷伦频谱仪和脉冲信号发生器，以产生格雷码波形。(It is aim to driver the PSG and ESA to generate Golay.)

说明：  采用vhdl语言编写的卷积编码（2.1.7），通过调试可直接下载使用(Convolution using vhdl language code (2.1.7) can be directly downloaded through the use of debugging)

在FPGA开发板上用VHDL语言实现了贪吃蛇游戏，开发软件为quartus 2.这是详细的实验报告，包括源码(Snake game with VHDL FPGA development board, software development quartus 2 This is a detailed experimental report, including the source)

数字时钟，包括流程图以及编码和完整的实验报告，内容详细丰富。(Digital clock, including flowcharts, and coding and a full lab report, detailed and rich.)

verilog语言设计的VGA驱动。在Quarus11.0下编译成功，并在Altera cyclone4开发板上测试OK(verilog language design VGA driver. In Quartus11.0 successfully compiled and Altera cyclone4 development board test OK)

说明：  RISC全部源码，包含仿真文件，使用makefile脚本编写，能通过vcs编译(RISC all source code, including simulation files, using makefile script, can be compiled through VCS)

Commponent for drivering EEPROM memory AT25320 from Avalon bus.