[136] | 1 | #include <GSM3ShieldV1BandManagement.h>
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| 2 |
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| 3 | GSM3ShieldV1BandManagement::GSM3ShieldV1BandManagement(bool trace): modem(trace)
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| 4 | {
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| 5 | quectelStrings[UNDEFINED]="";
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| 6 | quectelStrings[EGSM_MODE]="\"EGSM_MODE\"";
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| 7 | quectelStrings[DCS_MODE]="\"DCS_MODE\"";
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| 8 | quectelStrings[PCS_MODE]="\"PCS_MODE\"";
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| 9 | quectelStrings[EGSM_DCS_MODE]="\"EGSM_DCS_MODE\"";
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| 10 | quectelStrings[GSM850_PCS_MODE]="\"GSM850_PCS_MODE\"";
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| 11 | quectelStrings[GSM850_EGSM_DCS_PCS_MODE]="\"GSM850_EGSM_DCS_PCS_MODE\"";
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| 12 | }
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| 13 |
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| 14 | GSM3_NetworkStatus_t GSM3ShieldV1BandManagement::begin()
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| 15 | {
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| 16 | // check modem response
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| 17 | modem.begin();
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| 18 |
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| 19 | // reset hardware
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| 20 | modem.restartModem();
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| 21 |
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| 22 | return IDLE;
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| 23 | }
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| 24 |
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| 25 | String GSM3ShieldV1BandManagement::getBand()
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| 26 | {
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| 27 | String modemResponse=modem.writeModemCommand("AT+QBAND?", 2000);
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| 28 |
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| 29 | for(GSM3GSMBand i=GSM850_EGSM_DCS_PCS_MODE;i>UNDEFINED;i=(GSM3GSMBand)((int)i-1))
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| 30 | {
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| 31 | if(modemResponse.indexOf(quectelStrings[i])>=0)
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| 32 | return quectelStrings[i];
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| 33 | }
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| 34 |
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| 35 | Serial.print("Unrecognized modem answer:");
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| 36 | Serial.println(modemResponse);
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| 37 |
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| 38 | return "";
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| 39 | }
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| 40 |
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| 41 | bool GSM3ShieldV1BandManagement::setBand(String band)
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| 42 | {
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| 43 | String command;
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| 44 | String modemResponse;
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| 45 | bool found=false;
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| 46 |
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| 47 | command="AT+QBAND=";
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| 48 | for(GSM3GSMBand i=EGSM_MODE;((i<=GSM850_EGSM_DCS_PCS_MODE)&&(!found));i=(GSM3GSMBand)((int)i+1))
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| 49 | {
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| 50 | String aux=quectelStrings[i];
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| 51 | if(aux.indexOf(band)>=0)
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| 52 | {
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| 53 | command+=aux;
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| 54 | found=true;
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| 55 | }
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| 56 | }
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| 57 |
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| 58 | if(!found)
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| 59 | return false;
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| 60 | // Quad-band takes an awful lot of time
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| 61 | modemResponse=modem.writeModemCommand(command, 15000);
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| 62 |
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| 63 | if(modemResponse.indexOf("QBAND")>=0)
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| 64 | return true;
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| 65 | else
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| 66 | return false;
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| 67 | }
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