560 lines
13 KiB
C++
560 lines
13 KiB
C++
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/* UbloxModem.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__ 3
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#ifndef __MODULE__
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#define __MODULE__ "UbloxModem.cpp"
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#endif
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#include "core/fwk.h"
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#include "sms/GSMSMSInterface.h"
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#include "sms/CDMASMSInterface.h"
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#include "UbloxModem.h"
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UbloxModem::UbloxModem(IOStream* atStream, IOStream* pppStream) :
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m_at(atStream), // Construct ATCommandsInterface with the AT serial channel
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m_CdmaSms(&m_at), // Construct SMSInterface with the ATCommandsInterface
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m_GsmSms(&m_at), // Construct SMSInterface with the ATCommandsInterface
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m_ussd(&m_at), // Construct USSDInterface with the ATCommandsInterface
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m_linkMonitor(&m_at), // Construct LinkMonitor with the ATCommandsInterface
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m_ppp(pppStream ? pppStream : atStream), // Construct PPPIPInterface with the PPP serial channel
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m_ipInit(false), // PPIPInterface connection is initially down
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m_smsInit(false), // SMSInterface starts un-initialised
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m_ussdInit(false), // USSDInterface starts un-initialised
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m_linkMonitorInit(false), // LinkMonitor subsystem starts un-initialised
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m_atOpen(false), // ATCommandsInterface starts in a closed state
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m_onePort(pppStream == NULL),
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m_type(UNKNOWN)
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{
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}
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genericAtProcessor::genericAtProcessor()
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{
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i = 0;
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str[0] = '\0';
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}
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const char* genericAtProcessor::getResponse(void)
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{
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return str;
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}
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int genericAtProcessor::onNewATResponseLine(ATCommandsInterface* pInst, const char* line)
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{
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int l = strlen(line);
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if (i + l + 2 > sizeof(str))
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return NET_OVERFLOW;
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if (i) str[i++] = ',';
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strcat(&str[i], line);
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i += l;
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return OK;
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}
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int genericAtProcessor::onNewEntryPrompt(ATCommandsInterface* pInst)
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{
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return OK;
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}
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class CREGProcessor : public IATCommandsProcessor
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{
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public:
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CREGProcessor(bool gsm) : status(STATUS_REGISTERING)
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{
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m_gsm = gsm;
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}
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enum REGISTERING_STATUS { STATUS_REGISTERING, STATUS_OK, STATUS_FAILED };
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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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const char* getAtCommand()
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{
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return m_gsm ? "AT+CREG?" : "AT+CSS?";
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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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int r;
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if (m_gsm)
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{
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if( sscanf(line, "+CREG: %*d,%d", &r) == 1 )
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{
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status = (r == 1 || r == 5) ? STATUS_OK :
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(r == 0 || r == 2) ? STATUS_REGISTERING :
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// (r == 3) ? STATUS_FAILED :
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STATUS_FAILED;
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}
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}
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else
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{
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char bc[3] = "";
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if(sscanf(line, "%*s %*c,%2s,%*d",bc)==1)
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{
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status = (strcmp("Z", bc) == 0) ? STATUS_REGISTERING : STATUS_OK;
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}
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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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bool m_gsm;
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};
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int UbloxModem::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, (m_type != LISA_C200) ? DEFAULT_MSISDN_GSM : 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 (m_onePort)
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{
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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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}
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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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int tries = 30;
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sprintf(cmd, "AT+CGDCONT=1,\"IP\",\"%s\"", apn);
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do //Try 30 times because for some reasons it can fail *a lot* with the K3772-Z dongle
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{
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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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if(ret)
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{
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Thread::wait(500);
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}
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} while(ret && --tries);
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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 (m_onePort)
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{
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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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}
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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 UbloxModem::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 (m_onePort)
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{
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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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}
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DBG("Trying to hangup");
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if (m_onePort)
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{
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//Reinit AT parser
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ret = m_at.init(false);
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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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}
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return OK;
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}
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int UbloxModem::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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ISMSInterface* sms;
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if (m_type == LISA_C200) sms = &m_CdmaSms;
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else sms = &m_GsmSms;
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if(!m_smsInit)
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{
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ret = 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 = 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 UbloxModem::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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ISMSInterface* sms;
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if (m_type == LISA_C200) sms = &m_CdmaSms;
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else sms = &m_GsmSms;
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if(!m_smsInit)
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{
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ret = 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 = 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 UbloxModem::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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ISMSInterface* sms;
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if (m_type == LISA_C200) sms = &m_CdmaSms;
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else sms = &m_GsmSms;
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if(!m_smsInit)
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{
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ret = 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 = 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* UbloxModem::getATCommandsInterface()
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{
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return &m_at;
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}
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int UbloxModem::init()
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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(false);
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if(ret)
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{
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return ret;
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}
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ATCommandsInterface::ATResult result;
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genericAtProcessor atiProcessor;
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ret = m_at.execute("ATI", &atiProcessor, &result);
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if (OK != ret)
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return ret;
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const char* info = atiProcessor.getResponse();
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INFO("Modem Identification [%s]", info);
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if (strstr(info, "LISA-C200")) {
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m_type = LISA_C200;
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m_onePort = true; // force use of only one port
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}
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else if (strstr(info, "LISA-U200")) {
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m_type = LISA_U200;
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}
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else if (strstr(info, "SARA-G350")) {
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m_type = SARA_G350;
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}
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// enable the network indicator
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if (m_type == SARA_G350) {
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m_at.executeSimple("AT+UGPIOC=16,2", &result);
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}
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else if (m_type == LISA_U200) {
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m_at.executeSimple("AT+UGPIOC=20,2", &result);
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}
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else if (m_type == LISA_C200) {
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// LISA-C200 02S/22S : GPIO1 do not support network status indication
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// m_at.executeSimple("AT+UGPIOC=20,2", &result);
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}
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INFO("Modem Identification [%s]", info);
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CREGProcessor cregProcessor(m_type != LISA_C200);
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//Wait for network registration
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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(cregProcessor.getAtCommand(), &cregProcessor, &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(cregProcessor.getStatus() == CREGProcessor::STATUS_REGISTERING)
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{
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Thread::wait(3000);
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}
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} while(cregProcessor.getStatus() == CREGProcessor::STATUS_REGISTERING);
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if(cregProcessor.getStatus() == CREGProcessor::STATUS_FAILED)
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{
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ERR("Registration denied");
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return NET_AUTH;
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}
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m_atOpen = true;
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return OK;
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}
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int UbloxModem::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();
|
||
|
|
}
|
||
|
|
|
||
|
|
m_smsInit = false;
|
||
|
|
m_ussdInit = false;
|
||
|
|
m_linkMonitorInit = false;
|
||
|
|
//We don't reset m_ipInit as PPPIPInterface::init() only needs to be called once
|
||
|
|
|
||
|
|
if(m_atOpen)
|
||
|
|
{
|
||
|
|
m_at.close();
|
||
|
|
m_atOpen = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
int UbloxModem::sendUSSD(const char* command, char* result, size_t maxLength)
|
||
|
|
{
|
||
|
|
int ret = init();
|
||
|
|
if(ret)
|
||
|
|
{
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!m_ussdInit)
|
||
|
|
{
|
||
|
|
ret = m_ussd.init();
|
||
|
|
if(ret)
|
||
|
|
{
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
m_ussdInit = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = m_ussd.send(command, result, maxLength);
|
||
|
|
if(ret)
|
||
|
|
{
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
return OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
int UbloxModem::getLinkState(int* pRssi, LinkMonitor::REGISTRATION_STATE* pRegistrationState, LinkMonitor::BEARER* pBearer)
|
||
|
|
{
|
||
|
|
int ret = init();
|
||
|
|
if(ret)
|
||
|
|
{
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!m_linkMonitorInit)
|
||
|
|
{
|
||
|
|
ret = m_linkMonitor.init(m_type != LISA_C200);
|
||
|
|
if(ret)
|
||
|
|
{
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
m_linkMonitorInit = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = m_linkMonitor.getState(pRssi, pRegistrationState, pBearer);
|
||
|
|
if(ret)
|
||
|
|
{
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
return OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
int UbloxModem::getPhoneNumber(char* phoneNumber)
|
||
|
|
{
|
||
|
|
int ret = init();
|
||
|
|
if(ret)
|
||
|
|
{
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!m_linkMonitorInit)
|
||
|
|
{
|
||
|
|
ret = m_linkMonitor.init(m_type != LISA_C200);
|
||
|
|
if(ret)
|
||
|
|
{
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
m_linkMonitorInit = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = m_linkMonitor.getPhoneNumber(phoneNumber);
|
||
|
|
if(ret)
|
||
|
|
{
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
return OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
#include "USBHost.h"
|
||
|
|
#include "UbloxGSMModemInitializer.h"
|
||
|
|
#include "UbloxCDMAModemInitializer.h"
|
||
|
|
|
||
|
|
UbloxUSBModem::UbloxUSBModem() :
|
||
|
|
UbloxModem(&m_atStream, &m_pppStream),
|
||
|
|
m_dongle(), // Construct WANDongle: USB interface with two serial channels to the modem (USBSerialStream objects)
|
||
|
|
m_atStream(m_dongle.getSerial(1)), // AT commands are sent down one serial channel.
|
||
|
|
m_pppStream(m_dongle.getSerial(0)), // PPP connections are managed via another serial channel.
|
||
|
|
m_dongleConnected(false) // Dongle is initially not ready for anything
|
||
|
|
{
|
||
|
|
USBHost* host = USBHost::getHostInst();
|
||
|
|
m_dongle.addInitializer(new UbloxGSMModemInitializer(host));
|
||
|
|
m_dongle.addInitializer(new UbloxCDMAModemInitializer(host));
|
||
|
|
}
|
||
|
|
|
||
|
|
int UbloxUSBModem::init()
|
||
|
|
{
|
||
|
|
if( !m_dongleConnected )
|
||
|
|
{
|
||
|
|
m_dongleConnected = true;
|
||
|
|
while( !m_dongle.connected() )
|
||
|
|
{
|
||
|
|
m_dongle.tryConnect();
|
||
|
|
Thread::wait(10);
|
||
|
|
}
|
||
|
|
if(m_dongle.getDongleType() == WAN_DONGLE_TYPE_UBLOX_LISAU200)
|
||
|
|
{
|
||
|
|
INFO("Using a u-blox LISA-U200 3G/WCDMA Modem");
|
||
|
|
m_type = LISA_U200;
|
||
|
|
}
|
||
|
|
else if(m_dongle.getDongleType() == WAN_DONGLE_TYPE_UBLOX_LISAC200)
|
||
|
|
{
|
||
|
|
INFO("Using a u-blox LISA-C200 CDMA Modem");
|
||
|
|
m_type = LISA_C200;
|
||
|
|
m_onePort = true;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
WARN("Using an Unknown Dongle");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return UbloxModem::init();
|
||
|
|
}
|
||
|
|
|
||
|
|
int UbloxUSBModem::cleanup()
|
||
|
|
{
|
||
|
|
UbloxModem::cleanup();
|
||
|
|
m_dongle.disconnect();
|
||
|
|
m_dongleConnected = false;
|
||
|
|
return OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
UbloxSerModem::UbloxSerModem() :
|
||
|
|
UbloxModem(&m_atStream, NULL),
|
||
|
|
m_Serial(P0_15/*MDMTXD*/,P0_16/*MDMRXD*/),
|
||
|
|
m_atStream(m_Serial)
|
||
|
|
{
|
||
|
|
m_Serial.baud(115200/*MDMBAUD*/);
|
||
|
|
m_Serial.set_flow_control(SerialBase::RTSCTS, P0_22/*MDMRTS*/, P0_17/*MDMCTS*/);
|
||
|
|
}
|
||
|
|
|