介绍一种利用Keil的软件仿真功能来实现51单片机串口调试用户程序的方法。...

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说明：多线程 (Multi-Thread) RS232 串行口通讯构件 ，是 COMM32.ZIP 构件的改良版，并且增加 Data Bits、Parity、 Stop Bits 等配置，支持 Read/Write 时序控制 (Timing control)、 ReadIntervalTimeout、 WriteIntervalTimout 等 ，支持 DTR/DSR, RTS/CTS 硬件流程控置及 Xon/Xoff 软件流程控置 ( 2.5 版，附源码 ) -: multithreading (Multi-Thread) RS232 serial port communication component, the component is COMM32.ZIP modified version, and increase Data Bits, Parity, Stop Bits, such as configuration and support Read/Write timing control (Timing control), ReadIntervalTimeout, WriteIntervalTimout, support DTR/DSR, RTS/CTS hardware flow control and home Xon/software flow control setting home (version 2.5, with source)

PPP Deflate压缩协议（PPP Deflate Protocol） 摘要 点到点协议（PPP）[1]提供了一种在点到点链路上传输多协议数据报的标准方法。压缩控制协议（CCP）[2]提供了一种在PPP封装链路上协商和使用压缩协议的方法。本文档描述了如何使用PPP Deflate压缩协议压缩PPP封装报文。 -PPP Deflate compression protocol (PPP Deflate Protocol) Abstract point-to-point protocol (PPP) [1] provides a point-to-point link, the multi-protocol data transmission of standard methods. Compression Control Protocol (CCP) [2] provides a link in the PPP Packaging consultations on the agreement and the use of compression method. This document describes how to use the PPP Deflate compression compression PPP agreement Packaging paper reported.

Viterbi coding theorem

串口通讯，一套GSM通讯管理的小软件，通过RS232进行通过。-Serial Communications, a GSM communications management software to the small, RS232 for adoption.

本程序仿真做出了一个RS编码器。运行本软件，可得到一个可视化界面，按界面提示随意输入信息序列，即可对其进行RS编码。一般的RAR解压即可-made an RS encoder. Running the software, will be a visual interface, interface suggested by the random input sequences can be encoded its RS. General RAR can extract

关于GPS定位方程式的讲述，是台北的Jeff写的，我把它编程了文档，发给大家，一起拿来学习。-GPS positioning on the formula described is written in Taipei, Jeff, and I recommend it programmers the document, distributed to you, used to study together.

    压缩包有六个文件，分别是绘制圆波导TE波和TM波各模式的横截面场分布、三维静态场分布、三维动态演示。能够绘制的模式有TE波或TM波01-23共2*9种。除截面场分布文件是运行程序后自动生成9种模式分布图外，其余文件是运行后根据提示输入参数（如绘TE11就找到对应的文件，由提示输入1，1即可），参数是模式下标。圆波导模多存在极化兼并，图中可以看出，但是只绘制了余弦情况下对应的场分布（正弦只是旋转了90度）。压缩包里有程序运行的部分结果。时间仓促，结果没来得及仔细核对，有错误希望指出。

#include "config.h" INT8U RBUF; INT8U TDAT,RDAT; INT8U TCNT,RCNT; INT8U TBIT,RBIT; BOOLEAN TING,RING; BOOLEAN TEND,REND; INT8U uc_rxdIndex,uc_rxdDealIndex; INT8U uc_uartBuf[UART_BUF_LEN]; INT8U uc_uartRecFifoLen; /* 接收FIFO中的数目 */ BOOLEAN b_uartRecFifoFlag; INT16U us_allSendCnt; INT8U uc_sendCnt; //INT8U * pSendBuf; INT8U * p_pSendBuf[P_SEND_BUF_LEN]; /* 要发送的数据的指针 */ INT8U uc_pSendBufLen[P_SEND_BUF_LEN]; /* 每个指针包含的数据长度 */ INT8U uc_pSendBufIndex; INT8U uc_pSendBufDealIndex;

向西门子PLC的数据块DB写入上位机数据，实现PC与PLC间的通信-Siemens PLC to the data blocks DB write PC data, the realization of PC and PLC communication