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短信收发类

1/2:PDUdecoding.cs

///文    件:PDUdecoding.cs
///概    要:针对国内短信编码(USC2)
///组成结构:包含四个函数:
///          smsDecodedCenterNumber(string srvCenterNumber)            短信中心号编码
///          smsPDUEncoded(string srvContent)                          短信内容编码
///          smsDecodedNumber(string srvNumber)                        接收短信手机号编码
///          smsDecodedsms(string strCenterNumber, string strNumber, string strSMScontent)   整个短信的编码
///          一个字段
///          string nLength;   //要发送内容的长度,由两部分组成,接收手机号加上要发送的内容
using System;
using System.Text;
namespace GSM
{
    public class PDUdecoding
    {

        public string nLength;   //要发送内容的长度,由两部分组成,接收手机号加上要发送的内容

        /// <summary>
        /// 函数功能:短信内容编码
        /// 函数名称:smsPDUEncoded(string srvContent)
        /// 参    数:srvContent 要进行转换的短信内容,string类型
        /// 返 回 值:编码后的短信内容,string类型
        /// 函数说明:
        ///          1,采用Big-Endian 字节顺序的 Unicode 格式编码,也就说把高低位的互换在这里完成了
        ///          2,将转换后的短信内容存进字节数组
        ///          3,去掉在进行Unicode格式编码中,两个字节中的"-",例如:00-21,变成0021
        ///          4,将整条短信内容的长度除2,保留两位16进制数
        /// </summary>
        public string smsPDUEncoded(string srvContent)
        {
            Encoding encodingUTF = System.Text.Encoding.BigEndianUnicode;
            string s = null;
            byte[] encodedBytes = encodingUTF.GetBytes(srvContent);
            for (int i = 0; i < encodedBytes.Length; i++)
            {
                s += BitConverter.ToString(encodedBytes, i, 1);
            }
            s = String.Format("{0:X2}{1}", s.Length / 2, s);

            return s;
        }

        /// <summary>
        /// 函数功能:短信中心号编码
        /// 函数名称:smsDecodedCenterNumber(string srvCenterNumber)
        /// 参    数:srvCenterNumber 要进行转换的短信中心号,string类型
        /// 返 回 值:编码后的短信中心号,string类型
        /// 函数说明:
        ///          1,将奇数位和偶数位交换。
        ///          2,短信中心号奇偶数交换后,看看长度是否为偶数,如果不是,最后添加F
        ///          3,加上短信中心号类型,91为国际化
        ///          4,计算编码后的短信中心号长度,并格化成二位的十六进制
        /// </summary>
        public string smsDecodedCenterNumber(string srvCenterNumber)
        {
            string s = null;
            int nLength = srvCenterNumber.Length;
            for (int i = 1; i < nLength; i += 2)               //奇偶互换
            {
                s += srvCenterNumber[i];
                s += srvCenterNumber[i - 1];
            }
            if (!(nLength % 2 == 0))                           //是否为偶数,不是就加上F,并对最后一位与加上的F位互换
            {
                s += 'F';
                s += srvCenterNumber[nLength - 1];
            }
            s = String.Format("91{0}", s);                     //加上91,代表短信中心类型为国际化
            s = String.Format("{0:X2}{1}", s.Length / 2, s);   //编码后短信中心号长度,并格式化成二位十六制
            return s;
        }

        /// <summary>
        /// 函数功能:接收短信手机号编码
        /// 函数名称:smsDecodedNumber(string srvNumber)
        /// 参    数:srvCenterNumber 要进行转换的短信中心号,string类型
        /// 返 回 值:编码后的接收短信手机号,string类型
        /// 函数说明:
        ///          1,检查当前接收手机号是否按标准格式书写,不是,就补上“86”
        ///          1,将奇数位和偶数位交换。
        ///          2,短信中心号奇偶数交换后,看看长度是否为偶数,如果不是,最后添加F
        /// </summary>
        public string smsDecodedNumber(string srvNumber)
        {
            string s = null;
            if (!(srvNumber.Substring(0, 2) == "86"))
            {
                srvNumber = String.Format("86{0}", srvNumber);     //检查当前接收手机号是否按标准格式书写,不是,就补上“86”
            }
            int nLength = srvNumber.Length;
            for (int i = 1; i < nLength; i += 2)                   //将奇数位和偶数位交换
            {
                s += srvNumber[i];
                s += srvNumber[i - 1];
            }
            if (!(nLength % 2 == 0))                               //是否为偶数,不是就加上F,并对最后一位与加上的F位互换
            {
                s += 'F';
                s += srvNumber[nLength - 1];
            }
            return s;
        }

        /// <summary>
        /// 函数功能:整个短信的编码
        /// 函数名称:smsDecodedsms(string strCenterNumber, string strNumber, string strSMScontent)
        /// 参    数:strCenterNumber 要进行转换的短信中心号,string类型
        ///           strNumber       接收手机号码,string类型
        ///           strSMScontent   短信内容
        /// 返 回 值:完整的短信编码,可以在AT指令中执行,string类型
        /// 函数说明:
        ///           11000D91和000800   在国内,根据PDU编码原则,我们写死在此,详细解释请看我的文章     
        /// </summary>
        public string smsDecodedsms(string strCenterNumber, string strNumber, string strSMScontent)
        {
            string s = String.Format("{0}11000D91{1}000800{2}", smsDecodedCenterNumber(strCenterNumber), smsDecodedNumber(strNumber), smsPDUEncoded(strSMScontent));
            nLength = String.Format("{0:D2}", (s.Length - smsDecodedCenterNumber(strCenterNumber).Length) / 2);   
                                                                   //获取短信内容加上手机号码长度
            return s;
        }
    }
}

2/2:JustinIO.cs

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 (!BuildCommDCB("9600,n,8,1  ", ref  dcbCommPort))
            //{
            //    throw (new ApplicationException("非法操作,不能打开串口!  "));
            //} 

            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;
        }
    }
}

reference:

http://www.cnblogs.com/relang99/archive/2009/02/01/1284940.html

posted on 2011-05-12 16:35  吴义法  阅读(370)  评论(0编辑  收藏  举报