GSM Library: minor modifications and bug fix

libraries/GSM/src/GSM.h

@@ -47,6 +47,7 @@ The latest version of this library can always be found at
 #include <GSM3ShieldV1ClientProvider.h>
 #include <GSM3ShieldV1DataNetworkProvider.h>
 #include <GSM3ShieldV1ModemVerification.h>
+#include <GSM3ShieldV1CellManagement.h>
 #include <GSM3ShieldV1PinManagement.h>
 #include <GSM3ShieldV1ScanNetworks.h>
 #include <GSM3SMSService.h>
@@ -61,7 +62,7 @@ The latest version of this library can always be found at
 
 #define GSMPIN GSM3ShieldV1PinManagement
 #define GSMModem GSM3ShieldV1ModemVerification
-#define GSMCell GSM3CellManagement
+#define GSMCell GSM3ShieldV1CellManagement
 #define GSMBand GSM3ShieldV1BandManagement
 #define GSMScanner GSM3ShieldV1ScanNetworks
 

libraries/GSM/src/GSM3CircularBuffer.cpp

@@ -31,8 +31,8 @@ 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 "GSM3CircularBuffer.h"
-#include <HardwareSerial.h>
+#include <GSM3CircularBuffer.h>
+#include <Arduino.h>
 
 GSM3CircularBuffer::GSM3CircularBuffer(GSM3CircularBufferManager* mgr)
 {

libraries/GSM/src/GSM3IO.h

@@ -0,0 +1,26 @@
+#ifdef TTOPEN_V1
+	#define __POWERPIN__ 5
+	#define __RESETPIN__ 6
+#else
+	#define __RESETPIN__ 7
+#endif
+
+#if defined(__AVR_ATmega328P__) 
+	#ifdef TTOPEN_V1
+		#define __TXPIN__ 3
+		#define __RXPIN__ 4
+		#define __RXINT__ 3
+	#else
+		#define __TXPIN__ 3
+		#define __RXPIN__ 2
+		#define __RXINT__ 3
+	#endif
+#elif defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)
+	#define __TXPIN__ 3
+	#define __RXPIN__ 10
+	#define __RXINT__ 4
+#elif defined(__AVR_ATmega32U4__)
+	#define __TXPIN__ 3
+	#define __RXPIN__ 8
+	#define __RXINT__ 3
+#endif

libraries/GSM/src/GSM3MobileAccessProvider.h

@@ -34,7 +34,7 @@ The latest version of this library can always be found at
 #ifndef _GSM3MOBILEACCESSPROVIDER_
 #define _GSM3MOBILEACCESSPROVIDER_
 
-enum GSM3_NetworkStatus_t { ERROR, IDLE, CONNECTING, GSM_READY, GPRS_READY, TRANSPARENT_CONNECTED};
+enum GSM3_NetworkStatus_t { ERROR, IDLE, CONNECTING, GSM_READY, GPRS_READY, TRANSPARENT_CONNECTED, OFF};
 
 class GSM3MobileAccessProvider
 {
@@ -59,6 +59,11 @@ class GSM3MobileAccessProvider
 		 */
 		virtual inline bool shutdown()=0;
 
+		/** Secure shutdown the modem (power off really)
+			@return always true
+		 */
+		virtual inline bool secureShutdown()=0;
+
 		/** Get last command status
 			@return returns 0 if last command is still executing, 1 success, >1 error
 		 */

libraries/GSM/src/GSM3MobileMockupProvider.cpp

@@ -35,6 +35,7 @@ The latest version of this library can always be found at
 #include <GSM3MobileMockupProvider.h>
 #include <inttypes.h>
 #include <HardwareSerial.h>
+#include <Arduino.h>
 
 
 GSM3MobileMockupProvider::GSM3MobileMockupProvider()

libraries/GSM/src/GSM3MobileNetworkProvider.cpp

@@ -32,7 +32,6 @@ The latest version of this library can always be found at
 https://github.com/BlueVia/Official-Arduino
 */
 #include <GSM3MobileNetworkProvider.h>
-#include <HardwareSerial.h>
 
 GSM3MobileNetworkProvider* theProvider;
 

libraries/GSM/src/GSM3ShieldV1AccessProvider.cpp

@@ -1,7 +1,7 @@
 #include <GSM3ShieldV1AccessProvider.h>
 #include <Arduino.h>
+#include "GSM3IO.h"
 
-#define __RESETPIN__ 7
 #define __TOUTSHUTDOWN__ 5000
 #define __TOUTMODEMCONFIGURATION__ 5000//equivalent to 30000 because of time in interrupt routine.
 #define __TOUTAT__ 1000
@@ -38,6 +38,11 @@ GSM3_NetworkStatus_t GSM3ShieldV1AccessProvider::begin(char* pin, bool restart,
 {	
 	pinMode(__RESETPIN__, OUTPUT);
 
+	#ifdef TTOPEN_V1
+	pinMode(__POWERPIN__, OUTPUT);
+	digitalWrite(__POWERPIN__, HIGH);
+	#endif
+
 	// If asked for modem restart, restart
 	if (restart) 
 		HWrestart();
@@ -60,7 +65,11 @@ GSM3_NetworkStatus_t GSM3ShieldV1AccessProvider::begin(char* pin, bool restart,
 //HWrestart.
 int GSM3ShieldV1AccessProvider::HWrestart()
 {
-
+	#ifdef TTOPEN_V1
+	digitalWrite(__POWERPIN__, HIGH);
+	delay(1000);
+	#endif
+
 	theGSM3ShieldV1ModemCore.setStatus(IDLE);
 	digitalWrite(__RESETPIN__, HIGH);
 	delay(12000);
@@ -292,5 +301,23 @@ bool GSM3ShieldV1AccessProvider::shutdown()
 			return resp;
 	}
 	return false;
-}     
+}
 
+//Secure shutdown.
+bool GSM3ShieldV1AccessProvider::secureShutdown()
+{
+	// It makes no sense to have an asynchronous shutdown
+	pinMode(__RESETPIN__, OUTPUT);
+	digitalWrite(__RESETPIN__, HIGH);
+	delay(900);
+	digitalWrite(__RESETPIN__, LOW);
+	theGSM3ShieldV1ModemCore.setStatus(OFF);
+	theGSM3ShieldV1ModemCore.gss.close();
+
+#ifdef TTOPEN_V1
+	_delay_ms(12000);
+	digitalWrite(__POWERPIN__, LOW);
+#endif
+
+	return true;
+}

libraries/GSM/src/GSM3ShieldV1AccessProvider.h

@@ -89,6 +89,11 @@ class GSM3ShieldV1AccessProvider : public GSM3MobileAccessProvider, public GSM3S
 		*/
 		bool shutdown();
 
+		/** Secure shutdown the modem (power off really)
+			@return true if successful
+		 */
+		bool secureShutdown();
+
 		/** Returns 0 if last command is still executing
 			@return 1 if success, >1 if error 
 		*/

libraries/GSM/src/GSM3ShieldV1DataNetworkProvider.cpp

@@ -219,6 +219,8 @@ void GSM3ShieldV1DataNetworkProvider::detachGPRSContinue()
 				}
 			else theGSM3ShieldV1ModemCore.closeCommand(3);
 		}		
+		theGSM3ShieldV1ModemCore.theBuffer().flush();
+		theGSM3ShieldV1ModemCore.gss.spaceAvailable();
 		break;	
 	}
 }

libraries/GSM/src/GSM3ShieldV1ModemCore.cpp

@@ -78,7 +78,7 @@ void GSM3ShieldV1ModemCore::closeCommand(int code)
 void GSM3ShieldV1ModemCore::genericCommand_rq(PGM_P str, bool addCR)
 {
 	theBuffer().flush();
-	writePGM(str, addCR);	
+	writePGM(str, addCR);
 }
 
 //Generic command (const string).

libraries/GSM/src/GSM3ShieldV1ModemVerification.cpp

@@ -61,19 +61,13 @@ int GSM3ShieldV1ModemVerification::begin()
 // get IMEI
 String GSM3ShieldV1ModemVerification::getIMEI()
 {
-	String number;
+	String number(NULL);
 	// AT command for obtain IMEI
 	String modemResponse = modemAccess.writeModemCommand("AT+GSN", 2000);
 	// Parse and check response
 	char res_to_compare[modemResponse.length()];
 	modemResponse.toCharArray(res_to_compare, modemResponse.length());
-	if(strstr(res_to_compare,"OK") == NULL)
-	{	
-		return String(NULL);
-	}
-	else
-	{
+	if(strstr(res_to_compare,"OK") != NULL)
 		number = modemResponse.substring(1, 17);
-		return number;
-	}
+	return number;
 }

libraries/GSM/src/GSM3ShieldV1ModemVerification.h

@@ -61,4 +61,4 @@ class GSM3ShieldV1ModemVerification
 
 };
 
-#endif;
+#endif

libraries/GSM/src/GSM3ShieldV1PinManagement.h

@@ -100,4 +100,4 @@ class GSM3ShieldV1PinManagement
 		void setPINUsed(bool used);
 };
 
-#endif;
+#endif

libraries/GSM/src/GSM3ShieldV1SMSProvider.cpp

@@ -52,6 +52,7 @@ int GSM3ShieldV1SMSProvider::endSMS()
 {
 	theGSM3ShieldV1ModemCore.openCommand(this,ENDSMS);
 	endSMSContinue();
+	while(ready()==0) delay(100);
 	return theGSM3ShieldV1ModemCore.getCommandError();
 }
 

libraries/GSM/src/GSM3ShieldV1ScanNetworks.cpp

@@ -92,7 +92,7 @@ String GSM3ShieldV1ScanNetworks::readNetworks()
 	String result;
 	bool inQuotes=false;
 	int quoteCounter=0;
-	for(int i=0; i<modemResponse.length();i++)
+	for(unsigned int i=0; i<modemResponse.length();i++)
 	{
 		if(modemResponse[i]=='"')
 		{

libraries/GSM/src/GSM3SoftSerial.cpp

@@ -32,26 +32,13 @@ The latest version of this library can always be found at
 https://github.com/BlueVia/Official-Arduino
 */
 #include "GSM3SoftSerial.h"
+#include "GSM3IO.h"
 #include <avr/interrupt.h>
 #include <avr/pgmspace.h>
 #include "pins_arduino.h"
 #include <HardwareSerial.h>
 #include <Arduino.h>
 
-#if defined(__AVR_ATmega328P__) 
-#define __TXPIN__ 3
-#define __RXPIN__ 2
-#define __RXINT__ 3
-#elif defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)
-#define __TXPIN__ 3
-#define __RXPIN__ 10
-#define __RXINT__ 4
-#elif defined(__AVR_ATmega32U4__)
-#define __TXPIN__ 3
-#define __RXPIN__ 8
-#define __RXINT__ 3
-#endif
-
 #define __XON__ 0x11
 #define __XOFF__ 0x13