tmk_core/tool/mbed/mbed-sdk/libraries/net/cellular/CellularModem/sms/GSMSMSInterface.h

   1 /* SMSInterface.h */
   2 /* Copyright (C) 2012 mbed.org, MIT License
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
   5  * and associated documentation files (the "Software"), to deal in the Software without restriction,
   6  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
   7  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
   8  * furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice shall be included in all copies or
  11  * substantial portions of the Software.
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
  14  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  16  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  17  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  18  */
  19
  20 #ifndef GSMSMSINTERFACE_H_
  21 #define GSMSMSINTERFACE_H_
  22
  23 #include "SMSInterface.h"
  24
  25 /** Component to use the Short Messages Service (SMS)
  26  *
  27  */
  28 class GSMSMSInterface : public ISMSInterface, protected IATCommandsProcessor, IATEventsHandler
  29 {
  30 public:
  31   /** Create SMSInterface instance
  32      @param pIf Pointer to the ATCommandsInterface instance to use
  33    */
  34   GSMSMSInterface(ATCommandsInterface* pIf);
  35
  36   /** Initialize interface
  37     Configure SMS commands & register for SMS-related unsolicited result codes
  38    */
  39   virtual int init();
  40
  41   /** Send a SM
  42      @param number The receiver's phone number
  43      @param message The message to send
  44      @return 0 on success, error code on failure
  45    */
  46   virtual int send(const char* number, const char* message);
  47
  48
  49   /** Receive a SM
  50      @param number Pointer to a buffer to store the sender's phone number (must be at least 17 characters-long, including the space for the null-terminating char)
  51      @param message Pointer to a buffer to store the the incoming message
  52      @param maxLength Maximum message length that can be stored in buffer (including null-terminating character)
  53      @return 0 on success, error code on failure
  54    */
  55   virtual int get(char* number, char* message, size_t maxLength);
  56
  57
  58   /** Get the number of SMs in the incoming box
  59      @param pCount pointer to store the number of unprocessed SMs on
  60      @return 0 on success, error code on failure
  61    */
  62   virtual int getCount(size_t* pCount);
  63
  64 protected:
  65   //IATCommandsProcessor
  66   virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line);
  67   virtual int onNewEntryPrompt(ATCommandsInterface* pInst);
  68
  69   //IATEventsHandler
  70   virtual bool isATCodeHandled(const char* atCode); //Is this AT code handled
  71   virtual void onDispatchStart();
  72   virtual void onDispatchStop();
  73   virtual char* getEventsEnableCommand();
  74   virtual char* getEventsDisableCommand();
  75   virtual void onEvent(const char* atCode, const char* evt);
  76
  77   //Updates messages count/references
  78   int updateInbox();
  79
  80 private:
  81   ATCommandsInterface* m_pIf;
  82
  83   //Current message
  84   char* m_msg;
  85   size_t m_maxMsgLength;
  86   char* m_msisdn;
  87
  88   //Messages list
  89   int m_msgRefList[MAX_SM];
  90   size_t m_msgRefListCount;
  91   bool m_needsUpdate;
  92   Mutex m_inboxMtx; //To protect concurrent accesses btw the user's thread and the AT thread
  93
  94   enum { SMS_IDLE, SMS_SEND_CMD_SENT, SMS_GET_CMD_SENT, SMS_GET_HDR_RECEIVED, SMS_GET_COUNT_CMD_SENT, SMS_GET_COUNT_HDR_RECEIVED, SMS_CMD_PROCESSED } m_state;
  95 };
  96
  97 #endif /* GSMSMSINTERFACE_H_ */