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/*
This file is part of the GSM3 communications library for Arduino
-- Multi-transport communications platform
-- Fully asynchronous
-- Includes code for the Arduino-Telefonica GSM/GPRS Shield V1
-- Voice calls
-- SMS
-- TCP/IP connections
-- HTTP basic clients
This library has been developed by Telef�nica Digital - PDI -
- Physical Internet Lab, as part as its collaboration with
Arduino and the Open Hardware Community.
September-December 2012
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
The latest version of this library can always be found at
https://github.com/BlueVia/Official-Arduino
*/
#include <GSM3ShieldV1ScanNetworks.h>
GSM3ShieldV1ScanNetworks::GSM3ShieldV1ScanNetworks(bool trace): modem(trace)
{
}
GSM3_NetworkStatus_t GSM3ShieldV1ScanNetworks::begin()
{
modem.begin();
modem.restartModem();
// check modem response
modem.writeModemCommand("AT", 1000);
modem.writeModemCommand("ATE0", 1000);
return IDLE;
}
String GSM3ShieldV1ScanNetworks::getCurrentCarrier()
{
String modemResponse = modem.writeModemCommand("AT+COPS?", 2000);
// Parse and check response
char res_to_split[modemResponse.length()];
modemResponse.toCharArray(res_to_split, modemResponse.length());
if(strstr(res_to_split,"ERROR") == NULL){
// Tokenizer
char *ptr_token;
ptr_token = strtok(res_to_split, "\"");
ptr_token = strtok(NULL, "\"");
String final_result = ptr_token;
return final_result;
}else{
return NULL;
}
}
String GSM3ShieldV1ScanNetworks::getSignalStrength()
{
String modemResponse = modem.writeModemCommand("AT+CSQ", 2000);
char res_to_split[modemResponse.length()];
modemResponse.toCharArray(res_to_split, modemResponse.length());
if((strstr(res_to_split,"ERROR") == NULL) | (strstr(res_to_split,"99") == NULL)){
// Tokenizer
char *ptr_token;
ptr_token = strtok(res_to_split, ":");
ptr_token = strtok(NULL, ":");
ptr_token = strtok(ptr_token, ",");
String final_result = ptr_token;
final_result.trim();
return final_result;
}else{
return NULL;
}
}
String GSM3ShieldV1ScanNetworks::readNetworks()
{
String modemResponse = modem.writeModemCommand("AT+COPS=?",20000);
String result;
bool inQuotes=false;
int quoteCounter=0;
for(int i=0; i<modemResponse.length();i++)
{
if(modemResponse[i]=='"')
{
if(!inQuotes)
{
inQuotes=true;
quoteCounter++;
if(quoteCounter==1)
result+="> ";
}
else
{
inQuotes=false;
if(quoteCounter==3)
quoteCounter=0;
if(quoteCounter==1)
result+="\n";
}
}
else
{
if(inQuotes&&(quoteCounter==1))
{
result+=modemResponse[i];
}
}
}
return result;
}
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