Based on 12 of the MAX502 chip DAC chips in parallel procedures, the use of FPGA...

GPIO LED 测试工具源代码，可以用来检测开发的主板GPIO LED设备是否工作正常(GPIO LED test tool source code, can be used to detect the development of motherboard GPIO LED device is working properly)

uart 发送模块接收模块及tb，其中可以选择不同波特率进行收发，代码带有详细注释。(UART sending module and receiving module)

主要讲述了数码相机MIPI接口协议说明，工作模式及信号传输原理等(Camera Interface Overview)

(7,4)循环码的verilog编码程序，（7，4）循环码的verilog译码程序((7,4) cyclic code Verilog coding procedures, (7,4) cyclic code the verilog decoding procedure)

FPGA的测频程序，用了D触发器，能测1hz到几百hz(FPGA frequency measurement procedures, using a D flip-flop, can be measured to a few hundred hz 1hz)

基于VHDL+FPGA的DDS信号发生设计，已经通过调式-Based on VHDL+ FPGA design of the DDS signal has been through mode

Great guide for writing VHDL

基于NIOS2的VGA接口IP核，具有很好的借鉴性和参考性(NIOS VGA IP)

实现音频的I2S通信，音频柱的显示，及其噪声的处理等功能(Realization of audio I2S communications, audio column display, and its noise processing, and other functions)

出租车的计费功能的实现,计量模块、计费模块、控制模块、译码模块。(taxi fee)