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101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
/*
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This file is part of the GSM3 communications library for Arduino
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-- Multi-transport communications platform
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-- Fully asynchronous
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-- Includes code for the Arduino-Telefonica GSM/GPRS Shield V1
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-- Voice calls
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-- SMS
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-- TCP/IP connections
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-- HTTP basic clients
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This library has been developed by Telefónica Digital - PDI -
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- Physical Internet Lab, as part as its collaboration with
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Arduino and the Open Hardware Community.
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September-December 2012
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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The latest version of this library can always be found at
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https://github.com/BlueVia/Official-Arduino
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*/
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#include <GSM3ShieldV1BandManagement.h>
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GSM3ShieldV1BandManagement::GSM3ShieldV1BandManagement(bool trace): modem(trace)
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{
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quectelStrings[UNDEFINED]="";
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quectelStrings[EGSM_MODE]="\"EGSM_MODE\"";
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quectelStrings[DCS_MODE]="\"DCS_MODE\"";
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quectelStrings[PCS_MODE]="\"PCS_MODE\"";
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quectelStrings[EGSM_DCS_MODE]="\"EGSM_DCS_MODE\"";
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quectelStrings[GSM850_PCS_MODE]="\"GSM850_PCS_MODE\"";
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quectelStrings[GSM850_EGSM_DCS_PCS_MODE]="\"GSM850_EGSM_DCS_PCS_MODE\"";
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}
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GSM3_NetworkStatus_t GSM3ShieldV1BandManagement::begin()
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{
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// check modem response
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modem.begin();
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// reset hardware
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modem.restartModem();
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return IDLE;
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}
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String GSM3ShieldV1BandManagement::getBand()
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{
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String modemResponse=modem.writeModemCommand("AT+QBAND?", 2000);
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for(GSM3GSMBand i=GSM850_EGSM_DCS_PCS_MODE;i>UNDEFINED;i=(GSM3GSMBand)((int)i-1))
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{
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if(modemResponse.indexOf(quectelStrings[i])>=0)
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return quectelStrings[i];
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}
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Serial.print("Unrecognized modem answer:");
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Serial.println(modemResponse);
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return "";
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}
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bool GSM3ShieldV1BandManagement::setBand(String band)
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{
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String command;
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String modemResponse;
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bool found=false;
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command="AT+QBAND=";
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for(GSM3GSMBand i=EGSM_MODE;((i<=GSM850_EGSM_DCS_PCS_MODE)&&(!found));i=(GSM3GSMBand)((int)i+1))
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{
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String aux=quectelStrings[i];
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if(aux.indexOf(band)>=0)
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{
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command+=aux;
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found=true;
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}
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}
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if(!found)
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return false;
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// Quad-band takes an awful lot of time
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modemResponse=modem.writeModemCommand(command, 15000);
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if(modemResponse.indexOf("QBAND")>=0)
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return true;
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else
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return false;
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}
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