stepover

读写器与射频卡通信的设计采用RC522射频读写芯片与射频卡进行通信，符合ISO14443规范协议；硬件系统设计中主要有AVR单片机主控模块、电源模块、存储模块、外部时钟模块、LCD模块；软件系统设计采用C语言，遵循模块化和结构化编程模式，设计了射频卡操作程序、软关机与自动关机程序、LCD显示、串行Flash存储器、外部时钟等外部设备驱动程序。所设计的手持式读写器具备对MF1 S50、S70射频卡的读写、实时状态显示、系统在线升级以及关机等功能。(This handset can process the data offline or online, reading and writing from 10 cm far. This handset is low-power, miniature, modular design and so on. This article includes: the communication design between RF card and Reader, hardware system design and software systems design. The communication design between RF card and Reader used to RC522 RF chip control RF cards, in line with ISO14443 standard protocol Hardware system design mainly include AVR microcontroller control modules, power modules, memory modules, external clock modules, LCD modules Software system designed with C programming language, and follow the modular structure of the programming model, and has the RF card operation procedures, soft shutdown and automatic shutdown procedures, LCD display, serial Flash memory, an external clock, and other external device driver Procedures. The handset readers has the MF1 S50, S70 RF card reader function, real-time status display function, the system online update function and so)

单片机一线通讯,控制4个数码管显示.里面有汇编和C语言源码(Single-chip front-line communications, control 4 digital display. There are assembly and C language source code)

使用C语言代码51单片机的串口仿真实现,意识到C被用来模拟串口的功能 (Using C language code of the serial port of 51 single-chip microcomputer simulation implementation, realized how C was used to simulate the function of the serial port )

利用kinect获取原始的音频波形，得到四声道的pcm波形。(Use kinect to get the original audio waveform, get pcm waveform four channels.)

2.4寸 TFT液晶屏在C51单片机上的刷屏测试程序(2.4-inch TFT LCD screen on a single chip in the C51 test procedure Shuabing)

这是一份设计报告，内容为2FSK的数字通信系统，里面有仿真图和电路图(This is a designing report about 2FSK digital communication system)

说明：  程序为基于Zigbee无线通信的点对多点无线通信源程序。ZigBee堆栈是在IEEE 802.15.4标准基础上建立的，定义了协议的MAC和PHY层。CC2430为基于51核心的高性能芯片。程序的编译平台为chipcon公司的IAR..(program of CC2430 )

西北工业大学 C++ 描述 FIRA 5vs5 仿真足球(Northwestern Polytechnical University C++ description of FIRA the 5vs5 simulation soccer)

128KHzID卡读卡模块程序，带模块原理图，曼切斯特解码(128KHzID card reader module program with block diagram, Manchester decoding)

对于学习分析时序很有帮助，是一款逻辑分析仪的软件，很有用的。(Timing analysis is useful for learning, is a logic analyzer software, very useful.)