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DS1302的操作程序。51单片机开发的C51程序。方便移植(DS1302 operating procedures. 51 C51 microcontroller development program. Easy transplanted)

LPC2119上的CAN和RS232透明转发器程序(LPC2119 the CAN and RS232 transparent procedures transponders)

Source code demo rs232

说明：  stm32f103与手机APP合作开发蓝牙重力感应小车(Stm32f103 cooperates with mobile APP to develop Bluetooth gravity sensor car)

直接修改手机注册表文件的工具，可以非常实用。(Modify the cell phone registry tool, very useful.)

模拟操作系统进程调度的算法采用时间片轮转法和优先权法(operating system simulation process scheduling algorithm-time Web-law and law priority)

此书籍提供了常用的vc与数据库连接的方法，包括ADO,ODBC,DAO，并且书中提供了详细的实例。(This book provides a commonly used vc with the database connection methods, including ADO, ODBC, DAO, and the book provides a detailed example.)

using System;using System.Web;public class DownImg : IHttpHandler { //图片下载功能 public void ProcessRequest(HttpContext context) { System.Net.WebResponse response = null; System.IO.Stream stream = null; string path = context.Request.Url.Query.Split(new string[] { "coverimg=" }, StringSplitOptions.RemoveEmptyEntries)[1]; System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(path); response = request.GetResponse(); stream = response.GetResponseStream(); System.IO.MemoryStream memStream = Txooo.Mobile.HttpTools.CloneStream(stream); byte[] bytes = new byte[memStream.Length]; memStream.Read(bytes, 0, bytes.Length); // 设置当前流的位置为流的开始 memStream.Seek(0, System.IO.SeekOrigin.Begin); context.Response.ContentType = "application/octet-stream"; //通知浏览器下载文件而不是打开 string fileName = DateTime.Now.Ticks.ToString() ".jpg"; context.Response.AddHeader("Content-Disposition", "attachment; filename=" fileName); context.Response.BinaryWrite(bytes); context.Response.Flush(); } public bool IsReusable { get { return false; } }}

说明：  实现计算机网络中的选择重传协议，并且采用了滑动窗口。(Implementation of selective retransmission protocol)

stm32微控制器CAN总线收发例程。两种方式：查询方式和中断方式；(Program for CAN Bus receive and transmission；)