Vodafone K3770/K3772-Z modems driver & networking library
Dependencies: Socket USBHostWANDongle lwip-sys lwip
Dependents: VodafoneUSBModemHTTPClientTest VodafoneUSBModemNTPClientTest VodafoneUSBModemSMSTest VodafoneUSBModemUSSDTest ... more
Fork of VodafoneUSBModem_bleedingedge by
This is the driver for the Vodafone K3700 & K3772-Z Dongles:
More details and instructions can be found here.
Diff: main/if/ussd/USSDInterface.cpp
- Revision:
- 8:04b6a042595f
- Parent:
- 7:2069ba77b6b8
- Child:
- 9:3f077dde13c9
- Child:
- 10:21a6f09d5631
--- a/main/if/ussd/USSDInterface.cpp Fri Jun 08 13:30:06 2012 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,152 +0,0 @@ -/* USSDInterface.cpp */ -/* -Copyright (C) 2012 ARM Limited. - -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. -*/ - -#define __DEBUG__ 4 -#ifndef __MODULE__ -#define __MODULE__ "USSDInterface.cpp" -#endif - -#include "core/fwk.h" - -#include "USSDInterface.h" - -#include <cstdio> - -#define DEFAULT_TIMEOUT 10000 -#define USSD_TIMEOUT 15000 - -USSDInterface::USSDInterface(ATCommandsInterface* pIf) : m_pIf(pIf), m_responseMtx(), m_responseSphre(1), m_result(NULL), m_maxResultLength(0) -{ - m_responseSphre.wait(0); //Take ownership of the semaphore - m_pIf->registerEventsHandler(this); //Add us to the unsolicited result codes handlers -} - -int USSDInterface::init() -{ - DBG("Initialization done"); - return OK; -} - -int USSDInterface::send(const char* command, char* result, size_t maxLength) -{ - if (strlen(command) > 20) //Prevent buffer overflow - { - return NET_TOOSMALL; - } - - m_responseMtx.lock(); - m_result = result; - m_maxResultLength = maxLength; - m_responseMtx.unlock(); - - m_responseSphre.wait(0); //Make sure there is not a pending result that needs to be discarded - - DBG("Send USSD command & register for unsolicited result codes"); - //Send USSD command to the network - char cmd[32]; - std::sprintf(cmd, "AT+CUSD=1,\"%s\"", command); - int ret = m_pIf->executeSimple(cmd, NULL, DEFAULT_TIMEOUT); - if( ret != OK ) - { - return NET_PROTOCOL; - } - - //Now wait for response - int res = m_responseSphre.wait(USSD_TIMEOUT); - - //Reset data - m_responseMtx.lock(); - m_result = NULL; - m_maxResultLength = 0; - m_responseMtx.unlock(); - - if(res <= 0) - { - DBG("No result received"); - ret = m_pIf->executeSimple("AT+CUSD=2", NULL, DEFAULT_TIMEOUT); //Cancel command - if( ret != OK ) - { - return NET_PROTOCOL; - } - return NET_TIMEOUT; - } - - DBG("Result received: %s", result); - - return OK; - -} - -/*virtual*/ bool USSDInterface::isATCodeHandled(const char* atCode) //Is this AT code handled -{ - DBG("AT code is %s", atCode); - if( strcmp("+CUSD", atCode) == 0 ) - { - return true; - } - - DBG("Not handled"); - return false; -} - -/*virtual*/ void USSDInterface::onDispatchStart() -{ - - -} - -/*virtual*/ void USSDInterface::onDispatchStop() -{ - -} - -/*virtual*/ void USSDInterface::onEvent(const char* atCode, const char* evt) -{ - if( strcmp("+CUSD", atCode) != 0 ) - { - return; //Not supported - } - - char* pStart = (char*) strchr(evt,'\"'); - if(pStart==NULL) - { - return; //Invalid/incomplete response - } - pStart++; //Point to first char of response - char* pEnd = (char*) strchr(pStart,'\"'); - if(pEnd==NULL) - { - return; //Invalid/incomplete response - } - m_responseMtx.lock(); - if(m_maxResultLength == 0) //No pending command - { - m_responseMtx.unlock(); - return; - } - size_t cpyLen = MIN( pEnd - pStart, m_maxResultLength - 1 ); - memcpy(m_result, pStart, cpyLen); - m_result[cpyLen] = '\0'; - m_responseMtx.unlock(); - m_responseSphre.release(); //Signal user thread that response is ready -}