1fe4406f37
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
399 lines
8.3 KiB
C++
399 lines
8.3 KiB
C++
/* UbloxUSBCDMAModem.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__ 4
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#ifndef __MODULE__
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#define __MODULE__ "UbloxUSBCDMAModem.cpp"
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#endif
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#include "core/fwk.h"
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#include "UbloxUSBCDMAModem.h"
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#include "UbloxCDMAModemInitializer.h"
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#include "USBHost.h"
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#define USE_ONE_PORT 1
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UbloxUSBCDMAModem::UbloxUSBCDMAModem(PinName powerGatingPin /*= NC*/, bool powerGatingOnWhenPinHigh /* = true*/, int serial /* 0 */) : m_dongle(),
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m_stream(m_dongle.getSerial(serial)),
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m_at(&m_stream),
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m_sms(&m_at), m_ppp(&m_stream),
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m_dongleConnected(false), m_ipInit(false), m_smsInit(false), m_atOpen(false),
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m_powerGatingPin(powerGatingPin), m_powerGatingOnWhenPinHigh(powerGatingOnWhenPinHigh)
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{
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USBHost* host = USBHost::getHostInst();
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m_dongle.addInitializer(new UbloxCDMAModemInitializer(host));
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if( m_powerGatingPin != NC )
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{
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power(false); //Dongle will have to be powered on manually
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}
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}
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class CSSProcessor : public IATCommandsProcessor
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{
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public:
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CSSProcessor() : status(STATUS_REGISTERING)
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{
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}
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enum REGISTERING_STATUS { STATUS_REGISTERING, STATUS_OK };
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REGISTERING_STATUS getStatus()
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{
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return status;
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}
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private:
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virtual int onNewATResponseLine(ATCommandsInterface* pInst, const char* line)
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{
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char b;
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char bc[3] = "";
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int sid = 99999;
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//if( sscanf(line, "%*d, %c", &r) == 1 )
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if(sscanf(line, "%*s %c,%2s,%d", &b,bc,&sid)==3)
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{
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if(strcmp("Z", bc) == 0)
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status = STATUS_REGISTERING;
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else
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status = STATUS_OK;
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}
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return OK;
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}
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virtual int onNewEntryPrompt(ATCommandsInterface* pInst)
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{
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return OK;
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}
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volatile REGISTERING_STATUS status;
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};
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int UbloxUSBCDMAModem::connect(const char* apn, const char* user, const char* password)
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{
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if( !m_ipInit )
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{
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m_ipInit = true;
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m_ppp.init();
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}
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m_ppp.setup(user, password, DEFAULT_MSISDN_CDMA);
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int ret = init();
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if(ret)
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{
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return ret;
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}
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#if USE_ONE_PORT
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m_smsInit = false; //SMS status reset
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//m_ussdInit = false; //USSD status reset
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//m_linkMonitorInit = false; //Link monitor status reset
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#endif
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ATCommandsInterface::ATResult result;
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if(apn != NULL)
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{
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char cmd[48];
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sprintf(cmd, "AT+CGDCONT=1,\"IP\",\"%s\"", apn);
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ret = m_at.executeSimple(cmd, &result);
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DBG("Result of command: Err code=%d", ret);
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DBG("ATResult: AT return=%d (code %d)", result.result, result.code);
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DBG("APN set to %s", apn);
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}
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//Connect
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DBG("Connecting");
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#if USE_ONE_PORT
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m_at.close(); // Closing AT parser
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m_atOpen = false; //Will need to be reinitialized afterwards
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#endif
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DBG("Connecting PPP");
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ret = m_ppp.connect();
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DBG("Result of connect: Err code=%d", ret);
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return ret;
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}
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int UbloxUSBCDMAModem::disconnect()
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{
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DBG("Disconnecting from PPP");
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int ret = m_ppp.disconnect();
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if(ret)
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{
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ERR("Disconnect returned %d, still trying to disconnect", ret);
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}
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//Ugly but leave dongle time to recover
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Thread::wait(500);
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#if USE_ONE_PORT
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ATCommandsInterface::ATResult result;
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DBG("Starting AT thread");
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ret = m_at.open();
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if(ret)
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{
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return ret;
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}
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#endif
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DBG("Trying to hangup");
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#if 0 //Does not appear to work
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int tries = 10;
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do
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{
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ret = m_at.executeSimple("+++", &result, 1000);
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DBG("Result of command: Err code=%d\n", ret);
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DBG("ATResult: AT return=%d (code %d)\n", result.result, result.code);
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} while(tries-- && ret);
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if(!ret)
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{
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ret = m_at.executeSimple("ATH", &result);
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DBG("Result of command: Err code=%d\n", ret);
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DBG("ATResult: AT return=%d (code %d)\n", result.result, result.code);
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}
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#endif
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#if USE_ONE_PORT
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//Reinit AT parser
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ret = m_at.init();
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DBG("Result of command: Err code=%d\n", ret);
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if(ret)
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{
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m_at.close(); // Closing AT parser
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DBG("AT Parser closed, could not complete disconnection");
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return NET_TIMEOUT;
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}
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#if 0
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m_at.close(); // Closing AT parser
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DBG("AT Parser closed");
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#endif
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#endif
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return OK;
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}
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int UbloxUSBCDMAModem::sendSM(const char* number, const char* message)
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{
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int ret = init();
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if(ret)
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{
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return ret;
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}
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if(!m_smsInit)
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{
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ret = m_sms.init();
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if(ret)
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{
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return ret;
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}
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m_smsInit = true;
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}
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ret = m_sms.send(number, message);
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if(ret)
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{
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return ret;
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}
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return OK;
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}
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int UbloxUSBCDMAModem::getSM(char* number, char* message, size_t maxLength)
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{
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int ret = init();
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if(ret)
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{
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return ret;
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}
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if(!m_smsInit)
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{
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ret = m_sms.init();
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if(ret)
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{
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return ret;
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}
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m_smsInit = true;
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}
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ret = m_sms.get(number, message, maxLength);
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if(ret)
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{
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return ret;
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}
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return OK;
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}
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int UbloxUSBCDMAModem::getSMCount(size_t* pCount)
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{
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int ret = init();
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if(ret)
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{
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return ret;
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}
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if(!m_smsInit)
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{
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ret = m_sms.init();
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if(ret)
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{
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return ret;
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}
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m_smsInit = true;
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}
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ret = m_sms.getCount(pCount);
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if(ret)
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{
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return ret;
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}
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return OK;
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}
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ATCommandsInterface* UbloxUSBCDMAModem::getATCommandsInterface()
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{
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return &m_at;
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}
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int UbloxUSBCDMAModem::power(bool enable)
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{
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if( m_powerGatingPin == NC )
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{
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return NET_INVALID; //A pin name has not been provided in the constructor
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}
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if(!enable) //Will force components to re-init
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{
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cleanup();
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}
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DigitalOut powerGatingOut(m_powerGatingPin);
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powerGatingOut = m_powerGatingOnWhenPinHigh?enable:!enable;
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return OK;
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}
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bool UbloxUSBCDMAModem::power()
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{
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if( m_powerGatingPin == NC )
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{
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return true; //Assume power is always on
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}
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DigitalOut powerGatingOut(m_powerGatingPin);
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return m_powerGatingOnWhenPinHigh?powerGatingOut:!powerGatingOut;
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}
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int UbloxUSBCDMAModem::init()
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{
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if( !m_dongleConnected )
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{
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if(!power())
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{
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//Obviously cannot initialize the dongle if it is disconnected...
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ERR("Power is off");
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return NET_INVALID;
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}
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m_dongleConnected = true;
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while( !m_dongle.connected() )
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{
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m_dongle.tryConnect();
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Thread::wait(100);
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}
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}
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if(m_atOpen)
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{
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return OK;
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}
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DBG("Starting AT thread if needed");
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int ret = m_at.open();
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if(ret)
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{
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return ret;
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}
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DBG("Sending initialisation commands");
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ret = m_at.init();
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if(ret)
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{
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return ret;
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}
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if(m_dongle.getDongleType() == WAN_DONGLE_TYPE_UBLOX_LISAC200)
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{
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INFO("Using a UBLOX C200 Dongle");
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}
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else
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{
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WARN("Using an Unknown Dongle");
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}
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ATCommandsInterface::ATResult result;
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//Wait for network registration
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CSSProcessor cssProcessor;
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do
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{
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DBG("Waiting for network registration");
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ret = m_at.execute("AT+CSS?", &cssProcessor, &result);
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DBG("Result of command: Err code=%d\n", ret);
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DBG("ATResult: AT return=%d (code %d)\n", result.result, result.code);
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if(cssProcessor.getStatus() == CSSProcessor::STATUS_REGISTERING)
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{
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Thread::wait(3000);
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}
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} while(cssProcessor.getStatus() == CSSProcessor::STATUS_REGISTERING);
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m_atOpen = true;
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return OK;
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}
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int UbloxUSBCDMAModem::cleanup()
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{
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if(m_ppp.isConnected())
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{
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WARN("Data connection is still open"); //Try to encourage good behaviour from the user
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m_ppp.disconnect();
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}
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m_smsInit = false;
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// m_linkMonitorInit = false;
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//We don't reset m_ipInit as PPPIPInterface::init() only needs to be called once
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if(m_atOpen)
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{
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m_at.close();
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m_atOpen = false;
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}
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m_dongle.disconnect();
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m_dongleConnected = false;
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return OK;
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}
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