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/* USSDInterface.h */
/* Copyright (C) 2012 mbed.org, MIT License
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or
* substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef USSDINTERFACE_H_
#define USSDINTERFACE_H_
#include "core/fwk.h"
#include "rtos.h"
#include "at/ATCommandsInterface.h"
/** Component to send/receive Unstructured Supplementary Service Data (USSD)
*
*/
class USSDInterface : protected IATCommandsProcessor, IATEventsHandler
{
public:
/** Create USSDInterface instance
@param pIf Pointer to the ATCommandsInterface instance to use
*/
USSDInterface(ATCommandsInterface* pIf);
/** Initialize interface
Configure USSD commands & register for USSD-related unsolicited result codes
*/
int init();
/** Send a USSD command & wait for its result
@param command The command to send
@param result Buffer in which to store the result
@param maxLength Maximum result length that can be stored in buffer (including null-terminating character)
@return 0 on success, error code on failure
*/
int send(const char* command, char* result, size_t maxLength);
protected:
//IATCommandsProcessor, needed for implementations of 3GGP standard < r06
virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line);
virtual int onNewEntryPrompt(ATCommandsInterface* pInst);
//IATEventsHandler, needed for implementations of 3GGP standard >= r06
virtual bool isATCodeHandled(const char* atCode); //Is this AT code handled
virtual void onDispatchStart();
virtual void onDispatchStop();
virtual char* getEventsEnableCommand();
virtual char* getEventsDisableCommand();
virtual void onEvent(const char* atCode, const char* evt);
private:
void processResult(const char* data);
ATCommandsInterface* m_pIf;
Mutex m_responseMtx; //To protect concurrent accesses btw the user's thread and the AT thread
Semaphore m_responseSphre;
//Result
volatile char* m_result;
volatile size_t m_maxResultLength;
};
#endif /* USSDINTERFACE_H_ */
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