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127 lines
3.2 KiB
C++
127 lines
3.2 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 <GSM3ShieldV1ScanNetworks.h>
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GSM3ShieldV1ScanNetworks::GSM3ShieldV1ScanNetworks(bool trace): modem(trace)
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{
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}
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GSM3_NetworkStatus_t GSM3ShieldV1ScanNetworks::begin()
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{
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modem.begin();
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modem.restartModem();
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// check modem response
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modem.writeModemCommand("AT", 1000);
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modem.writeModemCommand("ATE0", 1000);
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return IDLE;
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}
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String GSM3ShieldV1ScanNetworks::getCurrentCarrier()
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{
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String modemResponse = modem.writeModemCommand("AT+COPS?", 2000);
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// Parse and check response
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char res_to_split[modemResponse.length()];
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modemResponse.toCharArray(res_to_split, modemResponse.length());
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if(strstr(res_to_split,"ERROR") == NULL){
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// Tokenizer
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char *ptr_token;
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ptr_token = strtok(res_to_split, "\"");
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ptr_token = strtok(NULL, "\"");
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String final_result = ptr_token;
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return final_result;
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}else{
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return String(NULL);
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}
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}
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String GSM3ShieldV1ScanNetworks::getSignalStrength()
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{
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String modemResponse = modem.writeModemCommand("AT+CSQ", 2000);
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char res_to_split[modemResponse.length()];
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modemResponse.toCharArray(res_to_split, modemResponse.length());
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if((strstr(res_to_split,"ERROR") == NULL) | (strstr(res_to_split,"99") == NULL)){
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// Tokenizer
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char *ptr_token;
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ptr_token = strtok(res_to_split, ":");
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ptr_token = strtok(NULL, ":");
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ptr_token = strtok(ptr_token, ",");
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String final_result = ptr_token;
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final_result.trim();
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return final_result;
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}else{
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return String(NULL);
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}
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}
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String GSM3ShieldV1ScanNetworks::readNetworks()
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{
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String modemResponse = modem.writeModemCommand("AT+COPS=?",20000);
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String result;
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bool inQuotes=false;
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int quoteCounter=0;
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for(int i=0; i<modemResponse.length();i++)
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{
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if(modemResponse[i]=='"')
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{
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if(!inQuotes)
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{
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inQuotes=true;
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quoteCounter++;
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if(quoteCounter==1)
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result+="> ";
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}
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else
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{
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inQuotes=false;
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if(quoteCounter==3)
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quoteCounter=0;
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if(quoteCounter==1)
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result+="\n";
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}
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}
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else
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{
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if(inQuotes&&(quoteCounter==1))
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{
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result+=modemResponse[i];
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}
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}
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}
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return result;
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}
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