中国电信CDMA无线上网卡短信收发

 

    ///   <summary> 
         ///  发送短信
         ///   </summary> 
         ///   <param name="phone"> The phone. </param> 
         ///   <param name="message"> The message. </param> 
          public   static   void  SendMessageBySendPhone( string  phone,  string  message)
        {
            BaseCode.BaseTerm.phone.MessageSending  =   true ;
             string  text  = @" AT^HCMGS="" "   +  phone  +   @" "" " ;
             string  text2  =  message;

            BaseTerm.term.SendString(text);
            BaseTerm.term.SendCtrl( " CR " );
            Thread.Sleep( 300 );
             byte [] msgbytes  =  Encoding.Unicode.GetBytes(text2);
             byte [] msgbytesrnd  =   new   byte [msgbytes.Length];
             for  ( int  i  =   1 ; i  <=  msgbytes.Length; i  =  i  +   2 )
            {
                msgbytesrnd[i  -   1 ]  =  msgbytes[i];
                msgbytesrnd[i]  =  msgbytes[i  -   1 ];
            }

            BaseTerm.term.SendBytes(msgbytesrnd);
            BaseTerm.term.SendString( "  " );
            BaseTerm.term.SendCtrl( " CR " );
        }   

 

 

 

    // todo：有短信进入 
                 _reg  =   new  Regex( @" \+CMTI:[\s]*""(?<Mem>[A-Z a-z 0-9_]+)""[\s]*,[\s]*(?<Index>\d+) " );
                MatchCollection match  =  _reg.Matches(cmd);
                 foreach  (Match m  in  match)
                {
                    Console.WriteLine(m.Groups[ " Mem " ].Value  +   " , "   +  m.Groups[ " Index " ].Value);
                     if  (ShowInfo  !=   null )
                        ShowInfo( this ,  " 新短信，存储位置： "   +  m.Groups[ " Mem " ].Value  +   "  索引号： "   +  m.Groups[ " Index " ].Value);

                     if  (MessageCNMIEvent  !=   null )
                        MessageCNMIEvent( this , Convert.ToInt32(m.Groups[ " Index " ].Value), m.Groups[ " Mem " ].Value);

                    MessageCommands.GetMessageCMD(m.Groups[ " Index " ].Value,  1 );
                }  

 

 

 

     // todo：显示短信内容 
                  /* 
                 * 取值说明
                 * <index> 整型值，在存储器中的位置
                 * <mode> 短信状态的修改模式：
                 * 0 改变短信为已读状态
                 * 1 不改变短信的读取状态
                 * <callerID> 短消息发送方的号码
                 * <format> 表示该短消息的编码格式，取值参考^HCMGW
                 * <year, month, day, hour, minute,second>为接收到短消息时的年、月、日、小时、分钟和
                 * 秒。
                 * <Length> 接收到短消息的长度。
                 * <lang> 语言，取值参考^HCMGW
                 * <prt> 短信优先级，取值参考^HCMGW
                 * <Prv> 保密级别
                 * 0 Normal；
                 * 1 Restricted；
                 * 2 Confidential；
                 * 3 Secret
                 * <type> 短信类型
                 * 0 Normal；
                 * 1 CPT；
                 * 2 Voice Mail；
                 * 3 SMS Report
                 * <stat> 短信类型，取值参考^HCMGW
                 * <Msg> 接收到的短消息。
                 * <ctrl-Z>：标识一条短信息内容的结束，编码方式为非UNICOD方式下字符为：'0x1A'，
                 * 编码方式为UNICOD方式下字符为：'0x001A'
                  */ 
                 // ^HCMGR:07713997270,2010,02,28,10,43,50,0,6,34,2,0,0,1 
 
                _reg  =   new  Regex(
                     @" \r\n\^HCMGR:[\s]*(?<Caller>\d*)[\s]*,[\s]*(?<Year>\d*)[\s]*,[\s]*(?<Month>\d*)[\s]*,[\s]*(?<Day>\d*)[\s]*,[\s]*(?<Hour>\d*)[\s]*,[\s]*(?<Minute>\d*)[\s]*,[\s]*(?<Second>\d*)[\s]*,[\s]*(?<Lang>\d*)[\s]*,[\s]*(?<Format>\d*)[\s]*,[\s]*(?<Length>\d*)[\s]*,[\s]*(?<Prt>\d*)[\s]*,[\s]*(?<Prv>\d*)[\s]*,[\s]*(?<Type>\d*)[\s]*,[\s]*(?<Stat>\d*)\r\n " ,
                    RegexOptions.IgnoreCase);

                MatchCollection match  =  _reg.Matches(cmd);
                 foreach  (Match m  in  match)
                {
                     string  format  =  m.Groups[ " Format " ].Value;

                     int  start  =   0 ;
                     int  end  =   0 ;
                     for  ( int  i  =   0 ; i  <  bytes.Length; i ++ )
                    {
                         if  (bytes[i].ToString()  ==   " 10 "   &&  start  ==   0   &&  i  >   1 )
                        {
                            start  =  i;
                        }
                         if  (bytes[i].ToString()  ==   " 26 "   &&  end  ==   0 )
                        {
                            end  =  i;
                        }
                    }
                     int  len  =  bytes.Length  -   9   -  start;
                     if  (len  %   2   !=   0 ) len  =  len  -   1 ;
                    var msgbytes  =   new   byte [len];
                     // Console.WriteLine("未截取：" + BitConverter.ToString(bytes)); 
                     Array.Copy(bytes, start  +   1 , msgbytes,  0 , len);
                     // Console.WriteLine("转换前：" + BitConverter.ToString(msgbytes)); 
                      if  (format  ==   " 6 " )
                    {
                         for  ( int  i  =   1 ; i  <=  msgbytes.Length; i  =  i  +   2 )
                        {
                             byte  temp  =  msgbytes[i  -   1 ];
                            msgbytes[i  -   1 ]  =  msgbytes[i];
                            msgbytes[i]  =  temp;
                        }
                    }
                     if  (MessageHCMGREvent  !=   null )
                        MessageHCMGREvent( this , m.Groups[ " Caller " ].Value,
                                          Convert.ToDateTime(m.Groups[ " Year " ].Value  +   " - "   +  m.Groups[ " Month " ].Value  + 
                                                              " - "   + 
                                                             m.Groups[ " Day " ].Value  +   "   "   +  m.Groups[ " Hour " ].Value  +   " : "   + 
                                                             m.Groups[ " Minute " ].Value  +   " : "   +  m.Groups[ " Second " ].Value),
                                          Encoding.Unicode.GetString(msgbytes));
                     // Console.WriteLine("转换后："+BitConverter.ToString(msgbytes)); 
                      if  (ShowInfo  !=   null )
                        ShowInfo( this , m.Groups[ " Caller " ].Value  +   " 短信内容: "   +  Encoding.Unicode.GetString(msgbytes));
                     if  (ShowInfo  !=   null )
                        ShowInfo( this ,  " 字节内容： "   +  BitConverter.ToString(msgbytes));
                }  

 

 

 其实短信内容解码很简单，AT串口采用的是ASCII编码，短信的内容采用的是Unicode编码，并且每个字符的高低位互换了。根据规范截取出短信的内容的byte[]，进行高低位互换，在进行Encoding.Unicode.GetString，发短信反之。