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#include <GSM3ShieldV1BandManagement.h>
GSM3ShieldV1BandManagement::GSM3ShieldV1BandManagement(bool trace): modem(trace)
{
quectelStrings[UNDEFINED]="";
quectelStrings[EGSM_MODE]="\"EGSM_MODE\"";
quectelStrings[DCS_MODE]="\"DCS_MODE\"";
quectelStrings[PCS_MODE]="\"PCS_MODE\"";
quectelStrings[EGSM_DCS_MODE]="\"EGSM_DCS_MODE\"";
quectelStrings[GSM850_PCS_MODE]="\"GSM850_PCS_MODE\"";
quectelStrings[GSM850_EGSM_DCS_PCS_MODE]="\"GSM850_EGSM_DCS_PCS_MODE\"";
}
GSM3_NetworkStatus_t GSM3ShieldV1BandManagement::begin()
{
// check modem response
modem.begin();
// reset hardware
modem.restartModem();
return IDLE;
}
String GSM3ShieldV1BandManagement::getBand()
{
String modemResponse=modem.writeModemCommand("AT+QBAND?", 2000);
for(GSM3GSMBand i=GSM850_EGSM_DCS_PCS_MODE;i>UNDEFINED;i=(GSM3GSMBand)((int)i-1))
{
if(modemResponse.indexOf(quectelStrings[i])>=0)
return quectelStrings[i];
}
Serial.print("Unrecognized modem answer:");
Serial.println(modemResponse);
return "";
}
bool GSM3ShieldV1BandManagement::setBand(String band)
{
String command;
String modemResponse;
bool found=false;
command="AT+QBAND=";
for(GSM3GSMBand i=EGSM_MODE;((i<=GSM850_EGSM_DCS_PCS_MODE)&&(!found));i=(GSM3GSMBand)((int)i+1))
{
String aux=quectelStrings[i];
if(aux.indexOf(band)>=0)
{
command+=aux;
found=true;
}
}
if(!found)
return false;
// Quad-band takes an awful lot of time
modemResponse=modem.writeModemCommand(command, 15000);
if(modemResponse.indexOf("QBAND")>=0)
return true;
else
return false;
}
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