#if !defined(SMS_H__)
#define SMS_H__

#define GSM_7BIT                        0
#define GSM_8BIT                        4
#define GSM_UCS2                        8

	int gsmDecode8bit(const unsigned char *pSrc, char *pDst, int nSrcLength);
	int gsmEncode8bit(const char *pSrc, unsigned char *pDst, int nSrcLength);
	int gsmDecodeUcs2(const unsigned char* pSrc, char* pDst, int nSrcLength);
	int gsmEncodeUcs2(const char* pSrc, unsigned char* pDst, int nSrcLength);
	int gsmDecode7bit(const unsigned char* pSrc, char* pDst, int nSrcLength);
	int gsmEncode7bit(const char* pSrc, unsigned char* pDst, int nSrcLength);
	int gsmString2Bytes(const char* pSrc, unsigned char* pDst, int nSrcLength);
	int gsmBytes2String(const unsigned char* pSrc, char* pDst, int nSrcLength);
	struct SM_PARAM{
        char SCA[16];       // 短消息服務(wù)中心號碼(SMSC地址)
        char TPA[16];       // 目標號碼或回復號碼(TP-DA或TP-RA)
        char TP_PID;        // 用戶信息協(xié)議標識(TP-PID)
        char TP_DCS;        // 用戶信息編碼方式(TP-DCS)
        char TP_SCTS[16];   // 服務(wù)時間戳字符串(TP_SCTS), 接收時用到
        char TP_UD[161];    // 原始用戶信息(編碼前或解碼后的TP-UD)
        char index;         // 短消息序號，在讀取時用到
	} ;
   	int ReadComm(HANDLE hComm,void* pData, int nLength);
	bool WriteComm(HANDLE hComm,void* pData, int nLength);
//    bool CloseComm(HANDLE hComm);
//	HANDLE  OpenComm(const char* pPort, int nBaudRate, int nParity, int nByteSize, int nStopBits);
	bool gsmDeleteMessage(HANDLE Fcomm,const int index);
	int  gsmReadMessage(HANDLE Fcomm,SM_PARAM* pMsg,int index);
	int gsmReadAllMessage(HANDLE Fcomm,SM_PARAM* pMsg);
	int gsmReadUnreadMessage(HANDLE Fcomm,SM_PARAM* pMsg);
    bool gsmSendMessage(HANDLE Fcomm,const SM_PARAM* pSrc);
	int gsmDecodePdu(const char* pSrc, SM_PARAM* pDst);
	int gsmEncodePdu(const SM_PARAM* pSrc, char* pDst);
	int gsmSerializeNumbers(const char* pSrc, char* pDst, int nSrcLength);
	int gsmInvertNumbers(const char* pSrc, char* pDst, int nSrcLength);
#endif