Squashed 'tmk_core/' changes from 7967731..b9e0ea0
b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk' 7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5 git-subtree-dir: tmk_core git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552
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Jun Wako
parent
a20ef7052c
commit
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4198 changed files with 2016457 additions and 0 deletions
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/* USSDInterface.cpp */
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/* Copyright (C) 2012 mbed.org, MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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* and associated documentation files (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge, publish, distribute,
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* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#define __DEBUG__ 0
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#ifndef __MODULE__
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#define __MODULE__ "USSDInterface.cpp"
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#endif
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#include "core/fwk.h"
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#include "USSDInterface.h"
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#include <cstdio>
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#define DEFAULT_TIMEOUT 10000
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#define USSD_TIMEOUT 15000
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USSDInterface::USSDInterface(ATCommandsInterface* pIf) : m_pIf(pIf), m_responseMtx(), m_responseSphre(1), m_result(NULL), m_maxResultLength(0)
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{
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m_responseSphre.wait(0); //Take ownership of the semaphore
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m_pIf->registerEventsHandler(this); //Add us to the unsolicited result codes handlers
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}
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int USSDInterface::init()
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{
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DBG("Initialization done");
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return OK;
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}
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int USSDInterface::send(const char* command, char* result, size_t maxLength)
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{
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if (strlen(command) > 20) //Prevent buffer overflow
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{
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return NET_TOOSMALL;
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}
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m_responseMtx.lock();
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m_result = result;
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m_maxResultLength = maxLength;
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m_responseMtx.unlock();
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m_responseSphre.wait(0); //Make sure there is not a pending result that needs to be discarded
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DBG("Send USSD command & register for unsolicited result codes");
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//Send USSD command to the network
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char cmd[32];
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std::sprintf(cmd, "AT+CUSD=1,\"%s\"", command);
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int ret = m_pIf->execute(cmd, this, NULL, DEFAULT_TIMEOUT);
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if( ret != OK )
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{
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return NET_PROTOCOL;
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}
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//Did we already get a response (3GPP rev < 6) ?
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//Now wait for response
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int res = m_responseSphre.wait(USSD_TIMEOUT);
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//Reset data
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m_responseMtx.lock();
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m_result = NULL;
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m_maxResultLength = 0;
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m_responseMtx.unlock();
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if(res <= 0)
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{
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DBG("No result received");
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ret = m_pIf->executeSimple("AT+CUSD=2", NULL, DEFAULT_TIMEOUT); //Cancel command
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if( ret != OK )
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{
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return NET_PROTOCOL;
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}
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return NET_TIMEOUT;
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}
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DBG("Result received: %s", result);
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return OK;
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}
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/*virtual*/ int USSDInterface::onNewATResponseLine(ATCommandsInterface* pInst, const char* line)
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{
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const char* pSemicol = strchr(line, ':');
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if( ( (pSemicol - line) != strlen("+CUSD") ) || ( memcmp(line, "+CUSD", strlen("+CUSD")) != 0) )
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{
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WARN("Unknown code");
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return OK;
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}
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const char* pData = NULL;
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if( pSemicol != NULL ) //Split the identifier & the result code (if it exists)
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{
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pData = pSemicol + 1;
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if(pData[0]==' ')
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{
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pData++; //Suppress whitespace
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}
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processResult(pData);
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}
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return OK;
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}
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/*virtual*/ int USSDInterface::onNewEntryPrompt(ATCommandsInterface* pInst)
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{
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return OK;
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}
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/*virtual*/ bool USSDInterface::isATCodeHandled(const char* atCode) //Is this AT code handled
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{
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DBG("AT code is %s", atCode);
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if( strcmp("+CUSD", atCode) == 0 )
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{
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return true;
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}
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DBG("Not handled");
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return false;
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}
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/*virtual*/ void USSDInterface::onDispatchStart()
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{
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}
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/*virtual*/ void USSDInterface::onDispatchStop()
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{
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}
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/*virtual*/ char* USSDInterface::getEventsEnableCommand()
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{
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return NULL; //No need to disable events here
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}
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/*virtual*/ char* USSDInterface::getEventsDisableCommand()
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{
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return NULL; //No need to re-enable events here
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}
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/*virtual*/ void USSDInterface::onEvent(const char* atCode, const char* evt)
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{
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if( strcmp("+CUSD", atCode) != 0 )
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{
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WARN("Wrong AT Code");
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return; //Not supported
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}
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processResult(evt);
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}
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void USSDInterface::processResult(const char* data)
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{
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char* pStart = (char*) strchr(data,'\"');
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if(pStart==NULL)
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{
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WARN("Could not find opening quote");
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return; //Invalid/incomplete response
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}
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pStart++; //Point to first char of response
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char* pEnd = (char*) strchr(pStart,'\"');
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if(pEnd==NULL)
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{
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WARN("Could not find closing quote");
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return; //Invalid/incomplete response
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}
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m_responseMtx.lock();
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if(m_maxResultLength == 0) //No pending command
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{
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WARN("No pending command");
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m_responseMtx.unlock();
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return;
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}
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size_t cpyLen = MIN( pEnd - pStart, m_maxResultLength - 1 );
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memcpy((void*)m_result, pStart, cpyLen);
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m_result[cpyLen] = '\0';
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DBG("Got USSD response: %s", m_result);
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m_responseMtx.unlock();
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m_responseSphre.release(); //Signal user thread that response is ready
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}
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@ -0,0 +1,80 @@
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/* USSDInterface.h */
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/* Copyright (C) 2012 mbed.org, MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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* and associated documentation files (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge, publish, distribute,
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* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef USSDINTERFACE_H_
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#define USSDINTERFACE_H_
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#include "core/fwk.h"
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#include "rtos.h"
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#include "at/ATCommandsInterface.h"
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/** Component to send/receive Unstructured Supplementary Service Data (USSD)
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*
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*/
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class USSDInterface : protected IATCommandsProcessor, IATEventsHandler
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{
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public:
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/** Create USSDInterface instance
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@param pIf Pointer to the ATCommandsInterface instance to use
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*/
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USSDInterface(ATCommandsInterface* pIf);
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/** Initialize interface
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Configure USSD commands & register for USSD-related unsolicited result codes
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*/
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int init();
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/** Send a USSD command & wait for its result
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@param command The command to send
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@param result Buffer in which to store the result
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@param maxLength Maximum result length that can be stored in buffer (including null-terminating character)
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@return 0 on success, error code on failure
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*/
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int send(const char* command, char* result, size_t maxLength);
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protected:
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//IATCommandsProcessor, needed for implementations of 3GGP standard < r06
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virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line);
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virtual int onNewEntryPrompt(ATCommandsInterface* pInst);
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//IATEventsHandler, needed for implementations of 3GGP standard >= r06
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virtual bool isATCodeHandled(const char* atCode); //Is this AT code handled
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virtual void onDispatchStart();
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virtual void onDispatchStop();
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virtual char* getEventsEnableCommand();
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virtual char* getEventsDisableCommand();
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virtual void onEvent(const char* atCode, const char* evt);
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private:
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void processResult(const char* data);
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ATCommandsInterface* m_pIf;
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Mutex m_responseMtx; //To protect concurrent accesses btw the user's thread and the AT thread
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Semaphore m_responseSphre;
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//Result
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volatile char* m_result;
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volatile size_t m_maxResultLength;
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};
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#endif /* USSDINTERFACE_H_ */
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