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Arduino-Development / libraries /GSM /src /GSM3ShieldV1ClientProvider.cpp
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Archive original Arduino development files (part 8)
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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 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 <GSM3ShieldV1ClientProvider.h>
#include <GSM3ShieldV1ModemCore.h>
GSM3ShieldV1ClientProvider::GSM3ShieldV1ClientProvider()
{
theGSM3MobileClientProvider=this;
};
//Response management.
void GSM3ShieldV1ClientProvider::manageResponse(byte from, byte to)
{
switch(theGSM3ShieldV1ModemCore.getOngoingCommand())
{
case NONE:
theGSM3ShieldV1ModemCore.gss.cb.deleteToTheEnd(from);
break;
case CONNECTTCPCLIENT:
connectTCPClientContinue();
break;
case FLUSHSOCKET:
flushSocketContinue();
break;
}
}
//Connect TCP main function.
int GSM3ShieldV1ClientProvider::connectTCPClient(const char* server, int port, int id_socket)
{
theGSM3ShieldV1ModemCore.setPort(port);
idSocket = id_socket;
theGSM3ShieldV1ModemCore.setPhoneNumber((char*)server);
theGSM3ShieldV1ModemCore.openCommand(this,CONNECTTCPCLIENT);
theGSM3ShieldV1ModemCore.registerUMProvider(this);
connectTCPClientContinue();
return theGSM3ShieldV1ModemCore.getCommandError();
}
int GSM3ShieldV1ClientProvider::connectTCPClient(IPAddress add, int port, int id_socket)
{
remoteIP=add;
theGSM3ShieldV1ModemCore.setPhoneNumber(0);
return connectTCPClient(0, port, id_socket);
}
//Connect TCP continue function.
void GSM3ShieldV1ClientProvider::connectTCPClientContinue()
{
bool resp;
// 0: Dot or DNS notation activation
// 1: Disable SW flow control
// 2: Waiting for IFC OK
// 3: Start-up TCP connection "AT+QIOPEN"
// 4: Wait for connection OK
// 5: Wait for CONNECT
switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
case 1:
theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+QIDNSIP="), false);
if ((theGSM3ShieldV1ModemCore.getPhoneNumber()!=0)&&
((*(theGSM3ShieldV1ModemCore.getPhoneNumber())<'0')||((*(theGSM3ShieldV1ModemCore.getPhoneNumber())>'9'))))
{
theGSM3ShieldV1ModemCore.print('1');
theGSM3ShieldV1ModemCore.print('\r');
}
else
{
theGSM3ShieldV1ModemCore.print('0');
theGSM3ShieldV1ModemCore.print('\r');
}
theGSM3ShieldV1ModemCore.setCommandCounter(2);
break;
case 2:
if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))
{
//Response received
if(resp)
{
// AT+QIOPEN
theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+QIOPEN="),false);
theGSM3ShieldV1ModemCore.print("\"TCP\",\"");
if(theGSM3ShieldV1ModemCore.getPhoneNumber()!=0)
{
theGSM3ShieldV1ModemCore.print(theGSM3ShieldV1ModemCore.getPhoneNumber());
}
else
{
remoteIP.printTo(theGSM3ShieldV1ModemCore);
}
theGSM3ShieldV1ModemCore.print('"');
theGSM3ShieldV1ModemCore.print(',');
theGSM3ShieldV1ModemCore.print(theGSM3ShieldV1ModemCore.getPort());
theGSM3ShieldV1ModemCore.print('\r');
theGSM3ShieldV1ModemCore.setCommandCounter(3);
}
else theGSM3ShieldV1ModemCore.closeCommand(3);
}
break;
case 3:
if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))
{
// Response received
if(resp)
{
// OK Received
// Great. Go for the next step
theGSM3ShieldV1ModemCore.setCommandCounter(4);
}
else theGSM3ShieldV1ModemCore.closeCommand(3);
}
break;
case 4:
char auxLocate [12];
prepareAuxLocate(PSTR("CONNECT\r\n"), auxLocate);
if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp,auxLocate))
{
// Response received
if(resp)
{
// Received CONNECT OK
// Great. We're done
theGSM3ShieldV1ModemCore.setStatus(TRANSPARENT_CONNECTED);
theGSM3ShieldV1ModemCore.theBuffer().chopUntil(auxLocate, true);
theGSM3ShieldV1ModemCore.closeCommand(1);
}
else
theGSM3ShieldV1ModemCore.closeCommand(3);
}
break;
}
}
//Disconnect TCP main function.
int GSM3ShieldV1ClientProvider::disconnectTCP(bool client1Server0, int id_socket)
{
// id Socket does not really mean anything, in this case we have
// only one socket running
theGSM3ShieldV1ModemCore.openCommand(this,DISCONNECTTCP);
// If we are not closed, launch the command
//[ZZ] if(theGSM3ShieldV1ModemCore.getStatus()==TRANSPARENT_CONNECTED)
// {
delay(1000);
theGSM3ShieldV1ModemCore.print("+++");
delay(1000);
theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+QICLOSE"));
theGSM3ShieldV1ModemCore.setStatus(GPRS_READY);
// }
// Looks like it runs everytime, so we simply flush to death and go on
do
{
// Empty the local buffer, and tell the modem to XON
// If meanwhile we receive a DISCONNECT we should detect it as URC.
theGSM3ShieldV1ModemCore.theBuffer().flush();
theGSM3ShieldV1ModemCore.gss.spaceAvailable();
// Give some time for the buffer to refill
delay(100);
theGSM3ShieldV1ModemCore.closeCommand(1);
}while(theGSM3ShieldV1ModemCore.theBuffer().storedBytes()>0);
theGSM3ShieldV1ModemCore.unRegisterUMProvider(this);
return theGSM3ShieldV1ModemCore.getCommandError();
}
//Write socket first chain main function.
void GSM3ShieldV1ClientProvider::beginWriteSocket(bool client1Server0, int id_socket)
{
}
//Write socket next chain function.
void GSM3ShieldV1ClientProvider::writeSocket(const char* buf)
{
if(theGSM3ShieldV1ModemCore.getStatus()==TRANSPARENT_CONNECTED)
theGSM3ShieldV1ModemCore.print(buf);
}
//Write socket character function.
void GSM3ShieldV1ClientProvider::writeSocket(uint8_t c)
{
if(theGSM3ShieldV1ModemCore.getStatus()==TRANSPARENT_CONNECTED)
theGSM3ShieldV1ModemCore.print((char)c);
}
//Write socket last chain main function.
void GSM3ShieldV1ClientProvider::endWriteSocket()
{
}
//Available socket main function.
int GSM3ShieldV1ClientProvider::availableSocket(bool client1Server0, int id_socket)
{
if(!(theGSM3ShieldV1ModemCore.getStatus()==TRANSPARENT_CONNECTED))
theGSM3ShieldV1ModemCore.closeCommand(4);
if(theGSM3ShieldV1ModemCore.theBuffer().storedBytes())
theGSM3ShieldV1ModemCore.closeCommand(1);
else
theGSM3ShieldV1ModemCore.closeCommand(4);
return theGSM3ShieldV1ModemCore.getCommandError();
}
int GSM3ShieldV1ClientProvider::readSocket()
{
char charSocket;
if(theGSM3ShieldV1ModemCore.theBuffer().availableBytes()==0)
{
return 0;
}
charSocket = theGSM3ShieldV1ModemCore.theBuffer().read();
if(theGSM3ShieldV1ModemCore.theBuffer().availableBytes()==100)
theGSM3ShieldV1ModemCore.gss.spaceAvailable();
return charSocket;
}
//Read socket main function.
int GSM3ShieldV1ClientProvider::peekSocket()
{
return theGSM3ShieldV1ModemCore.theBuffer().peek(0);
}
//Flush SMS main function.
void GSM3ShieldV1ClientProvider::flushSocket()
{
theGSM3ShieldV1ModemCore.openCommand(this,FLUSHSOCKET);
flushSocketContinue();
}
//Send SMS continue function.
void GSM3ShieldV1ClientProvider::flushSocketContinue()
{
// If we have incomed data
if(theGSM3ShieldV1ModemCore.theBuffer().storedBytes()>0)
{
// Empty the local buffer, and tell the modem to XON
// If meanwhile we receive a DISCONNECT we should detect it as URC.
theGSM3ShieldV1ModemCore.theBuffer().flush();
theGSM3ShieldV1ModemCore.gss.spaceAvailable();
}
else
{
//We're done
theGSM3ShieldV1ModemCore.closeCommand(1);
}
}
// URC recognize.
// Yes, we recognize "closes" in client mode
bool GSM3ShieldV1ClientProvider::recognizeUnsolicitedEvent(byte oldTail)
{
char auxLocate [12];
prepareAuxLocate(PSTR("CLOSED"), auxLocate);
if((theGSM3ShieldV1ModemCore.getStatus()==TRANSPARENT_CONNECTED) & theGSM3ShieldV1ModemCore.theBuffer().chopUntil(auxLocate, false, false))
{
theGSM3ShieldV1ModemCore.setStatus(GPRS_READY);
theGSM3ShieldV1ModemCore.unRegisterUMProvider(this);
return true;
}
return false;
}
int GSM3ShieldV1ClientProvider::getSocket(int socket)
{
return 0;
}
void GSM3ShieldV1ClientProvider::releaseSocket(int socket)
{
}
bool GSM3ShieldV1ClientProvider::getStatusSocketClient(uint8_t socket)
{
return (theGSM3ShieldV1ModemCore.getStatus()==TRANSPARENT_CONNECTED);
};