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MSP430单片机常用模块连接原理的与操作实例(MSP430 microcontroller used to connect the module with the operating principles of instances)

电力系统电度表通讯协议，主要针对DL645协议标准(Power system meter communication protocol, mainly for DL645 protocol standards)

STC15F60S2单片机的数据手册，内含典型应用电路，驱动程序(STC15F60S2 MCU datasheet, containing the typical circuit , driver program)

基于MSP430G2553来实现串口通讯，可以用上位机和下位机进行通讯(Based MSP430G2553 to achieve serial communication, you can use upper and lower machine communication)

详细介绍了RDS 应用，包括例程与中文数据手册(Details of the RDS application, including routine and Chinese data sheet)

本总体方案完成国标GB20600-2006数字电视地面广播传输系统基带部分功能。 输入数据码流经过扰码器（随机化）、前向纠错编码（FEC），然后进行比特流到符号流的星座映射，再进行交织后形成基本数据块，基本数据块与系统信息组合（复用）后并经过帧体数据处理形成帧体，帧体与相应的帧头（PN序列）复接为信号帧（组帧），经过基带后处理转换为输出信号（8MHz带宽内）。该信号经变频转换为射频信号（UHF和VHF频段范围内）。用C程序设计了图形交互界面，可以在界面上直接设置调制参数。(The overall program completion GB GB20600-2006 digital terrestrial television broadcasting transmission systems baseband function. The input data stream through the scrambler (randomization), forward error correction (the FEC), then the symbol constellation mapping bitstream to the stream, and then after forming the basic block interleaving, the basic data block and information combined system ( multiplexing) after data processing and after the frame body forms a frame body, frame body with a corresponding header (PN sequence) multiplexed signal frame (framing), after post-processing baseband signal is converted to an output (internal 8MHz bandwidth). The signal is downconverted to a radio frequency signal (in the VHF and UHF frequency range). C program designed graphical interface, you can set modulation parameters directly on the screen.)

用Mega128单片机驱动蜂鸣器，实现音乐的播放功能，程序经过优化，声音比其他版本悦耳。(MCU-driven with Mega128 buzzer to realize the music playback capabilities, the program is optimized, the sound better than any other version of the musical.)

使用FFMPEG库进行视频解码，然后在一个Static控件上使用SDL2.0进行视频显示，相比SDL1.0,2.0版本支持多窗口同时显示，性能也大幅提升。（demo中未处理音频帧）。本Demo优点：将视频解码和显示分别封装了两个类CFfmpegDecod和CSdlShow，便于学习和理解播放流程。适合学习者使用。(Using the FFMPEG library for video decoding, and then on a Static control on the use of SDL2.0 video display, compared to the SDL1.0,2.0 version supports multi window at the same time, performance is also greatly improved. (demo is not processed for audio frames). The Demo advantages: the video decoding and display are encapsulated in two classes CFfmpegDecod and CSdlShow, easy to learn and understand the playback process. Suitable for learners to use.)

这是关于电路板的设计图，方便大家下载。呵呵 (This is about the second Five-Year Plan, said a key project for the future development of a box of reference )

利用stc51实现低频125k频段的读写器程序，包括读取EM41XX系列卡号，T5557卡的相应操作等。keil版本问4.0。编码采用曼切斯特编码格式。(The use of stc51 reader program for low-frequency 125k band, including read EM41XX Series card number, T5557 card corresponding operation. keil version Q 4.0.)