1 files changed, 126 insertions, 0 deletions
diff --git a/libraries/GSM/GSM3ShieldV1ScanNetworks.cpp b/libraries/GSM/GSM3ShieldV1ScanNetworks.cpp
new file mode 100644
index 0000000..23da8a6
--- /dev/null
+++ b/libraries/GSM/GSM3ShieldV1ScanNetworks.cpp
@@ -0,0 +1,126 @@
+/*
+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 Telefónica 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;
+}
+