JustinIO.cs
资源名称:C# 发短信.rar [点击查看]
上传用户:ls4004
上传日期:2007-02-06
资源大小:438k
文件大小:10k
源码类别:
手机短信编程
开发平台:
C#
- using System;
- using System.Runtime.InteropServices;
- namespace JustinIO {
- class CommPort {
- public string PortNum;
- public int BaudRate;
- public byte ByteSize;
- public byte Parity; // 0-4=no,odd,even,mark,space
- public byte StopBits; // 0,1,2 = 1, 1.5, 2
- public int ReadTimeout;
- //comm port win32 file handle
- private int hComm = -1;
- public bool Opened = false;
- //win32 api constants
- private const uint GENERIC_READ = 0x80000000;
- private const uint GENERIC_WRITE = 0x40000000;
- private const int OPEN_EXISTING = 3;
- private const int INVALID_HANDLE_VALUE = -1;
- [StructLayout(LayoutKind.Sequential)]
- public struct DCB {
- //taken from c struct in platform sdk
- public int DCBlength; // sizeof(DCB)
- public int BaudRate; // 指定当前波特率 current baud rate
- // these are the c struct bit fields, bit twiddle flag to set
- public int fBinary; // 指定是否允许二进制模式,在windows95中必须主TRUE binary mode, no EOF check
- public int fParity; // 指定是否允许奇偶校验 enable parity checking
- public int fOutxCtsFlow; // 指定CTS是否用于检测发送控制,当为TRUE是CTS为OFF,发送将被挂起。 CTS output flow control
- public int fOutxDsrFlow; // 指定CTS是否用于检测发送控制 DSR output flow control
- public int fDtrControl; // DTR_CONTROL_DISABLE值将DTR置为OFF, DTR_CONTROL_ENABLE值将DTR置为ON, DTR_CONTROL_HANDSHAKE允许DTR"握手" DTR flow control type
- public int fDsrSensitivity; // 当该值为TRUE时DSR为OFF时接收的字节被忽略 DSR sensitivity
- public int fTXContinueOnXoff; // 指定当接收缓冲区已满,并且驱动程序已经发送出XoffChar字符时发送是否停止。TRUE时,在接收缓冲区接收到缓冲区已满的字节XoffLim且驱动程序已经发送出XoffChar字符中止接收字节之后,发送继续进行。 FALSE时,在接收缓冲区接收到代表缓冲区已空的字节XonChar且驱动程序已经发送出恢复发送的XonChar之后,发送继续进行。XOFF continues Tx
- public int fOutX; // TRUE时,接收到XoffChar之后便停止发送接收到XonChar之后将重新开始 XON/XOFF out flow control
- public int fInX; // TRUE时,接收缓冲区接收到代表缓冲区满的XoffLim之后,XoffChar发送出去接收缓冲区接收到代表缓冲区空的XonLim之后,XonChar发送出去 XON/XOFF in flow control
- public int fErrorChar; // 该值为TRUE且fParity为TRUE时,用ErrorChar 成员指定的字符代替奇偶校验错误的接收字符 enable error replacement
- public int fNull; // eTRUE时,接收时去掉空(0值)字节 enable null stripping
- public int fRtsControl; // RTS flow control
- /*RTS_CONTROL_DISABLE时,RTS置为OFF
- RTS_CONTROL_ENABLE时, RTS置为ON
- RTS_CONTROL_HANDSHAKE时,
- 当接收缓冲区小于半满时RTS为ON
- 当接收缓冲区超过四分之三满时RTS为OFF
- RTS_CONTROL_TOGGLE时,
- 当接收缓冲区仍有剩余字节时RTS为ON ,否则缺省为OFF*/
- public int fAbortOnError; // TRUE时,有错误发生时中止读和写操作 abort on error
- public int fDummy2; // 未使用 reserved
- public uint flags;
- public ushort wReserved; // 未使用,必须为0 not currently used
- public ushort XonLim; // 指定在XON字符发送这前接收缓冲区中可允许的最小字节数 transmit XON threshold
- public ushort XoffLim; // 指定在XOFF字符发送这前接收缓冲区中可允许的最小字节数 transmit XOFF threshold
- public byte ByteSize; // 指定端口当前使用的数据位 number of bits/byte, 4-8
- public byte Parity; // 指定端口当前使用的奇偶校验方法,可能为:EVENPARITY,MARKPARITY,NOPARITY,ODDPARITY 0-4=no,odd,even,mark,space
- public byte StopBits; // 指定端口当前使用的停止位数,可能为:ONESTOPBIT,ONE5STOPBITS,TWOSTOPBITS 0,1,2 = 1, 1.5, 2
- public char XonChar; // 指定用于发送和接收字符XON的值 Tx and Rx XON character
- public char XoffChar; // 指定用于发送和接收字符XOFF值 Tx and Rx XOFF character
- public char ErrorChar; // 本字符用来代替接收到的奇偶校验发生错误时的值 error replacement character
- public char EofChar; // 当没有使用二进制模式时,本字符可用来指示数据的结束 end of input character
- public char EvtChar; // 当接收到此字符时,会产生一个事件 received event character
- public ushort wReserved1; // 未使用 reserved; do not use
- }
- [StructLayout(LayoutKind.Sequential)]
- private struct COMMTIMEOUTS {
- public int ReadIntervalTimeout;
- public int ReadTotalTimeoutMultiplier;
- public int ReadTotalTimeoutConstant;
- public int WriteTotalTimeoutMultiplier;
- public int WriteTotalTimeoutConstant;
- }
- [StructLayout(LayoutKind.Sequential)]
- private struct OVERLAPPED {
- public int Internal;
- public int InternalHigh;
- public int Offset;
- public int OffsetHigh;
- public int hEvent;
- }
- [DllImport("kernel32.dll")]
- private static extern int CreateFile(
- string lpFileName, // 要打开的串口名称
- uint dwDesiredAccess, // 指定串口的访问方式,一般设置为可读可写方式
- int dwShareMode, // 指定串口的共享模式,串口不能共享,所以设置为0
- int lpSecurityAttributes, // 设置串口的安全属性,WIN9X下不支持,应设为NULL
- int dwCreationDisposition, // 对于串口通信,创建方式只能为OPEN_EXISTING
- int dwFlagsAndAttributes, // 指定串口属性与标志,设置为FILE_FLAG_OVERLAPPED(重叠I/O操作),指定串口以异步方式通信
- int hTemplateFile // 对于串口通信必须设置为NULL
- );
- [DllImport("kernel32.dll")]
- private static extern bool GetCommState(
- int hFile, //通信设备句柄
- ref DCB lpDCB // 设备控制块DCB
- );
- [DllImport("kernel32.dll")]
- private static extern bool BuildCommDCB(
- string lpDef, // 设备控制字符串
- ref DCB lpDCB // 设备控制块
- );
- [DllImport("kernel32.dll")]
- private static extern bool SetCommState(
- int hFile, // 通信设备句柄
- ref DCB lpDCB // 设备控制块
- );
- [DllImport("kernel32.dll")]
- private static extern bool GetCommTimeouts(
- int hFile, // 通信设备句柄 handle to comm device
- ref COMMTIMEOUTS lpCommTimeouts // 超时时间 time-out values
- );
- [DllImport("kernel32.dll")]
- private static extern bool SetCommTimeouts(
- int hFile, // 通信设备句柄 handle to comm device
- ref COMMTIMEOUTS lpCommTimeouts // 超时时间 time-out values
- );
- [DllImport("kernel32.dll")]
- private static extern bool ReadFile(
- int hFile, // 通信设备句柄 handle to file
- byte[] lpBuffer, // 数据缓冲区 data buffer
- int nNumberOfBytesToRead, // 多少字节等待读取 number of bytes to read
- ref int lpNumberOfBytesRead, // 读取多少字节 number of bytes read
- ref OVERLAPPED lpOverlapped // 溢出缓冲区 overlapped buffer
- );
- [DllImport("kernel32.dll")]
- private static extern bool WriteFile(
- int hFile, // 通信设备句柄 handle to file
- byte[] lpBuffer, // 数据缓冲区 data buffer
- int nNumberOfBytesToWrite, // 多少字节等待写入 number of bytes to write
- ref int lpNumberOfBytesWritten, // 已经写入多少字节 number of bytes written
- ref OVERLAPPED lpOverlapped // 溢出缓冲区 overlapped buffer
- );
- [DllImport("kernel32.dll")]
- private static extern bool CloseHandle(
- int hObject // handle to object
- );
- [DllImport("kernel32.dll")]
- private static extern uint GetLastError();
- public void Open()
- {
- DCB dcbCommPort = new DCB();
- COMMTIMEOUTS ctoCommPort = new COMMTIMEOUTS();
- // 打开串口 OPEN THE COMM PORT.
- hComm = CreateFile(PortNum ,GENERIC_READ | GENERIC_WRITE,0, 0,OPEN_EXISTING,0,0);
- // 如果串口没有打开,就打开 IF THE PORT CANNOT BE OPENED, BAIL OUT.
- if(hComm == INVALID_HANDLE_VALUE)
- {
- throw(new ApplicationException("非法操作,不能打开串口!"));
- }
- // 设置通信超时时间 SET THE COMM TIMEOUTS.
- GetCommTimeouts(hComm,ref ctoCommPort);
- ctoCommPort.ReadTotalTimeoutConstant = ReadTimeout;
- ctoCommPort.ReadTotalTimeoutMultiplier = 0;
- ctoCommPort.WriteTotalTimeoutMultiplier = 0;
- ctoCommPort.WriteTotalTimeoutConstant = 0;
- SetCommTimeouts(hComm,ref ctoCommPort);
- // 设置串口 SET BAUD RATE, PARITY, WORD SIZE, AND STOP BITS.
- GetCommState(hComm, ref dcbCommPort);
- dcbCommPort.BaudRate=BaudRate;
- dcbCommPort.flags=0;
- //dcb.fBinary=1;
- dcbCommPort.flags|=1;
- if (Parity>0)
- {
- //dcb.fParity=1
- dcbCommPort.flags|=2;
- }
- dcbCommPort.Parity=Parity;
- dcbCommPort.ByteSize=ByteSize;
- dcbCommPort.StopBits=StopBits;
- if (!SetCommState(hComm, ref dcbCommPort))
- {
- //uint ErrorNum=GetLastError();
- throw(new ApplicationException("非法操作,不能打开串口!"));
- }
- //unremark to see if setting took correctly
- //DCB dcbCommPort2 = new DCB();
- //GetCommState(hComm, ref dcbCommPort2);
- Opened = true;
- }
- public void Close() {
- if (hComm!=INVALID_HANDLE_VALUE) {
- CloseHandle(hComm);
- }
- }
- public byte[] Read(int NumBytes) {
- byte[] BufBytes;
- byte[] OutBytes;
- BufBytes = new byte[NumBytes];
- if (hComm!=INVALID_HANDLE_VALUE) {
- OVERLAPPED ovlCommPort = new OVERLAPPED();
- int BytesRead=0;
- ReadFile(hComm,BufBytes,NumBytes,ref BytesRead,ref ovlCommPort);
- OutBytes = new byte[BytesRead];
- Array.Copy(BufBytes,OutBytes,BytesRead);
- }
- else {
- throw(new ApplicationException("串口未打开!"));
- }
- return OutBytes;
- }
- public void Write(byte[] WriteBytes) {
- if (hComm!=INVALID_HANDLE_VALUE) {
- OVERLAPPED ovlCommPort = new OVERLAPPED();
- int BytesWritten = 0;
- WriteFile(hComm,WriteBytes,WriteBytes.Length,ref BytesWritten,ref ovlCommPort);
- }
- else {
- throw(new ApplicationException("串口未打开!"));
- }
- }
- }
- class HexCon {
- // 把十六进制字符串转换成字节型和把字节型转换成十六进制字符串 converter hex string to byte and byte to hex string
- public static string ByteToString(byte[] InBytes) {
- string StringOut="";
- foreach (byte InByte in InBytes) {
- StringOut=StringOut + String.Format("{0:X2} ",InByte);
- }
- return StringOut;
- }
- public static byte[] StringToByte(string InString) {
- string[] ByteStrings;
- ByteStrings = InString.Split(" ".ToCharArray());
- byte[] ByteOut;
- ByteOut = new byte[ByteStrings.Length-1];
- for (int i = 0;i==ByteStrings.Length-1;i++) {
- ByteOut[i] = Convert.ToByte(("0x" + ByteStrings[i]));
- }
- return ByteOut;
- }
- }
- }