GSM library to format 1.5 rev.2

libraries/GSM/src/GSM3VoiceCallService.cpp

@@ -0,0 +1,144 @@
+/*
+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<65>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 <GSM3VoiceCallService.h>
+#include <Arduino.h>
+
+#include <GSM3ShieldV1VoiceProvider.h>
+GSM3ShieldV1VoiceProvider theShieldV1VoiceProvider;
+
+// While there is only a shield (ShieldV1) we will include it by default
+
+#define GSM3VOICECALLSERVICE_SYNCH 0x01 // 1: synchronous 0: asynchronous
+#define __TOUT__ 10000
+
+
+
+
+GSM3VoiceCallService::GSM3VoiceCallService(bool synch)
+{
+	if(synch)
+		flags |= GSM3VOICECALLSERVICE_SYNCH;
+	theGSM3MobileVoiceProvider->initialize();
+}
+
+GSM3_voiceCall_st GSM3VoiceCallService::getvoiceCallStatus()
+{
+	if(theGSM3MobileVoiceProvider==0)
+		return IDLE_CALL;
+	
+	return theGSM3MobileVoiceProvider->getvoiceCallStatus();
+}
+
+int GSM3VoiceCallService::ready()
+{
+	if(theGSM3MobileVoiceProvider==0)
+		return 0;
+	
+	return theGSM3MobileVoiceProvider->ready();
+}
+
+int GSM3VoiceCallService::voiceCall(const char* to, unsigned long timeout)
+{
+	if(theGSM3MobileVoiceProvider==0)
+		return 0;
+		
+	if(flags & GSM3VOICECALLSERVICE_SYNCH )
+	{
+		theGSM3MobileVoiceProvider->voiceCall(to);
+		unsigned long m;
+		m=millis();
+		// Wait an answer for timeout
+		while(((millis()-m)< timeout )&&(getvoiceCallStatus()==CALLING))
+			delay(100);
+		
+		if(getvoiceCallStatus()==TALKING)
+			return 1;
+		else
+			return 0;
+	}
+	else
+	{ 
+		return theGSM3MobileVoiceProvider->voiceCall(to);
+	}
+		
+}
+
+int GSM3VoiceCallService::answerCall()
+{
+	if(theGSM3MobileVoiceProvider==0)
+		return 0;
+	
+	return waitForAnswerIfNeeded(theGSM3MobileVoiceProvider->answerCall());
+}
+
+int GSM3VoiceCallService::hangCall()
+{
+	if(theGSM3MobileVoiceProvider==0)
+		return 0;
+	
+	return waitForAnswerIfNeeded(theGSM3MobileVoiceProvider->hangCall());
+}
+
+int GSM3VoiceCallService::retrieveCallingNumber(char* buffer, int bufsize)
+{
+	if(theGSM3MobileVoiceProvider==0)
+		return 0;
+	
+	return waitForAnswerIfNeeded(theGSM3MobileVoiceProvider->retrieveCallingNumber(buffer, bufsize));
+}
+
+int GSM3VoiceCallService::waitForAnswerIfNeeded(int returnvalue)
+{
+	// If synchronous
+	if(flags & GSM3VOICECALLSERVICE_SYNCH )
+	{
+		unsigned long m;
+		m=millis();
+		// Wait for __TOUT__
+		while(((millis()-m)< __TOUT__ )&&(ready()==0)) 
+			delay(100);
+		// If everything was OK, return 1
+		// else (timeout or error codes) return 0;
+		if(ready()==1)
+			return 1;
+		else
+			return 0;
+	}
+	// If not synchronous just kick ahead the coming result
+	return ready();
+}
+
+
+
+