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67 lines
1.5 KiB
C++
67 lines
1.5 KiB
C++
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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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