GSM/src/GSM3ShieldV1MultiClientProvider.cpp at master · ArduinoLibrariesForks/GSM · GitHub

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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 <GSM3ShieldV1MultiClientProvider.h>

#include <GSM3ShieldV1ModemCore.h>

const char _command_MultiQISRVC[] PROGMEM = "AT+QISRVC=";

#define __TOUTFLUSH__ 10000

GSM3ShieldV1MultiClientProvider::GSM3ShieldV1MultiClientProvider()

{

theGSM3MobileClientProvider=this;

theGSM3ShieldV1ModemCore.registerUMProvider(this);

};

//Response management.

void GSM3ShieldV1MultiClientProvider::manageResponse(byte from, byte to)

{

switch(theGSM3ShieldV1ModemCore.getOngoingCommand())

{

case XON:

if (flagReadingSocket)

{

// flagReadingSocket = 0;

fullBufferSocket = (theGSM3ShieldV1ModemCore.theBuffer().availableBytes()<3);

}

else theGSM3ShieldV1ModemCore.setOngoingCommand(NONE);

break;

case NONE:

theGSM3ShieldV1ModemCore.gss.cb.deleteToTheEnd(from);

break;

case CONNECTTCPCLIENT:

connectTCPClientContinue();

break;

case DISCONNECTTCP:

disconnectTCPContinue();

break;

case BEGINWRITESOCKET:

beginWriteSocketContinue();

break;

case ENDWRITESOCKET:

endWriteSocketContinue();

break;

case AVAILABLESOCKET:

availableSocketContinue();

break;

case FLUSHSOCKET:

fullBufferSocket = (theGSM3ShieldV1ModemCore.theBuffer().availableBytes()<3);

flushSocketContinue();

break;

}

//Connect TCP main function.

int GSM3ShieldV1MultiClientProvider::connectTCPClient(const char* server, int port, int id_socket)

{

theGSM3ShieldV1ModemCore.setPort(port);

idSocket = id_socket;

theGSM3ShieldV1ModemCore.setPhoneNumber((char*)server);

theGSM3ShieldV1ModemCore.openCommand(this,CONNECTTCPCLIENT);

connectTCPClientContinue();

return theGSM3ShieldV1ModemCore.getCommandError();

}

int GSM3ShieldV1MultiClientProvider::connectTCPClient(IPAddress add, int port, int id_socket)

{

remoteIP=add;

theGSM3ShieldV1ModemCore.setPhoneNumber(0);

return connectTCPClient(0, port, id_socket);

}

//Connect TCP continue function.

void GSM3ShieldV1MultiClientProvider::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(idSocket);

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 OK"), auxLocate);

if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp,auxLocate))

{

// Response received

if(resp)

{

// Received CONNECT OK

// Great. We're done

theGSM3ShieldV1ModemCore.closeCommand(1);

}

else

theGSM3ShieldV1ModemCore.closeCommand(3);

}

break;

}

//Disconnect TCP main function.

int GSM3ShieldV1MultiClientProvider::disconnectTCP(bool client1Server0, int id_socket)

{

idSocket = id_socket;

// First of all, we will flush the socket synchronously

unsigned long m;

m=millis();

flushSocket();

while(((millis()-m)< __TOUTFLUSH__ )&&(ready()==0))

delay(10);

// Could not flush the communications... strange

if(ready()==0)

{

theGSM3ShieldV1ModemCore.setCommandError(2);

return theGSM3ShieldV1ModemCore.getCommandError();

}

// Set up the command

client1_server0 = client1Server0;

flagReadingSocket=0;

theGSM3ShieldV1ModemCore.openCommand(this,DISCONNECTTCP);

disconnectTCPContinue();

return theGSM3ShieldV1ModemCore.getCommandError();

}

//Disconnect TCP continue function

void GSM3ShieldV1MultiClientProvider::disconnectTCPContinue()

{

bool resp;

// 1: Send AT+QISRVC

// 2: "AT+QICLOSE"

// 3: Wait for OK

switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {

case 1:

theGSM3ShieldV1ModemCore.genericCommand_rq(_command_MultiQISRVC, false);

if (client1_server0) theGSM3ShieldV1ModemCore.print('1');

else theGSM3ShieldV1ModemCore.print('2');

theGSM3ShieldV1ModemCore.print('\r');

theGSM3ShieldV1ModemCore.setCommandCounter(2);

break;

case 2:

// Parse response to QISRVC

theGSM3ShieldV1ModemCore.genericParse_rsp(resp);

if(resp)

{

// Send QICLOSE command

theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+QICLOSE="),false);

theGSM3ShieldV1ModemCore.print(idSocket);

theGSM3ShieldV1ModemCore.print('\r');

theGSM3ShieldV1ModemCore.setCommandCounter(3);

}

else

theGSM3ShieldV1ModemCore.closeCommand(3);

break;

case 3:

if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))

{

theGSM3ShieldV1ModemCore.setCommandCounter(0);

if (resp)

theGSM3ShieldV1ModemCore.closeCommand(1);

else

theGSM3ShieldV1ModemCore.closeCommand(3);

}

break;

}

//Write socket first chain main function.

void GSM3ShieldV1MultiClientProvider::beginWriteSocket(bool client1Server0, int id_socket)

{

idSocket = id_socket;

client1_server0 = client1Server0;

theGSM3ShieldV1ModemCore.openCommand(this,BEGINWRITESOCKET);

beginWriteSocketContinue();

}

//Write socket first chain continue function.

void GSM3ShieldV1MultiClientProvider::beginWriteSocketContinue()

{

bool resp;

// 1: Send AT+QISRVC

// 2: Send AT+QISEND

// 3: wait for > and Write text

switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {

case 1:

// AT+QISRVC

theGSM3ShieldV1ModemCore.genericCommand_rq(_command_MultiQISRVC, false);

if (client1_server0)

theGSM3ShieldV1ModemCore.print('1');

else

theGSM3ShieldV1ModemCore.print('2');

theGSM3ShieldV1ModemCore.print('\r');

theGSM3ShieldV1ModemCore.setCommandCounter(2);

break;

case 2:

if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))

{

// Response received

if(resp)

{

// AT+QISEND

theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+QISEND="), false);

theGSM3ShieldV1ModemCore.print(idSocket);

theGSM3ShieldV1ModemCore.print('\r');

theGSM3ShieldV1ModemCore.setCommandCounter(3);

}

else

{

theGSM3ShieldV1ModemCore.closeCommand(3);

}

break;

case 3:

char aux[2];

aux[0]='>';

aux[1]=0;

if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp, aux))

{

if(resp)

{

// Received ">"

theGSM3ShieldV1ModemCore.closeCommand(1);

}

else

{

theGSM3ShieldV1ModemCore.closeCommand(3);

}

break;

}

//Write socket next chain function.

void GSM3ShieldV1MultiClientProvider::writeSocket(const char* buf)

{

theGSM3ShieldV1ModemCore.print(buf);

}

//Write socket character function.

void GSM3ShieldV1MultiClientProvider::writeSocket(char c)

{

theGSM3ShieldV1ModemCore.print(c);

}

//Write socket last chain main function.

void GSM3ShieldV1MultiClientProvider::endWriteSocket()

{

theGSM3ShieldV1ModemCore.openCommand(this,ENDWRITESOCKET);

endWriteSocketContinue();

}

//Write socket last chain continue function.

void GSM3ShieldV1MultiClientProvider::endWriteSocketContinue()

{

bool resp;

// 1: Write text (ctrl-Z)

// 2: Wait for OK

switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {

case 1:

theGSM3ShieldV1ModemCore.write(26); // Ctrl-Z

theGSM3ShieldV1ModemCore.setCommandCounter(2);

break;

case 2:

if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))

{

// OK received

if (resp) theGSM3ShieldV1ModemCore.closeCommand(1);

else theGSM3ShieldV1ModemCore.closeCommand(3);

}

break;

}

//Available socket main function.

int GSM3ShieldV1MultiClientProvider::availableSocket(bool client1Server0, int id_socket)

{

if(flagReadingSocket==1)

{

theGSM3ShieldV1ModemCore.setCommandError(1);

return 1;

}

client1_server0 = client1Server0;

idSocket = id_socket;

theGSM3ShieldV1ModemCore.openCommand(this,AVAILABLESOCKET);

availableSocketContinue();

return theGSM3ShieldV1ModemCore.getCommandError();

}

//Available socket continue function.

void GSM3ShieldV1MultiClientProvider::availableSocketContinue()

{

bool resp;

// 1: AT+QIRD

// 2: Wait for OK and Next necessary AT+QIRD

switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {

case 1:

theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+QIRD=0,"),false);

if (client1_server0)

theGSM3ShieldV1ModemCore.print('1');

else

theGSM3ShieldV1ModemCore.print('2');

theGSM3ShieldV1ModemCore.print(',');

theGSM3ShieldV1ModemCore.print(idSocket);

theGSM3ShieldV1ModemCore.print(",1500");

// theGSM3ShieldV1ModemCore.print(",120");

theGSM3ShieldV1ModemCore.print('\r');

theGSM3ShieldV1ModemCore.setCommandCounter(2);

break;

case 2:

if(parseQIRD_head(resp))

{

if (!resp)

{

theGSM3ShieldV1ModemCore.closeCommand(4);

}

else

{

flagReadingSocket=1;

theGSM3ShieldV1ModemCore.closeCommand(1);

}

else

{

theGSM3ShieldV1ModemCore.closeCommand(3);

}

break;

}

//Read Socket Parse head.

bool GSM3ShieldV1MultiClientProvider::parseQIRD_head(bool& rsp)

{

char _qird [8];

prepareAuxLocate(PSTR("+QIRD:"), _qird);

fullBufferSocket = (theGSM3ShieldV1ModemCore.theBuffer().availableBytes()<3);

if(theGSM3ShieldV1ModemCore.theBuffer().locate(_qird))

{

theGSM3ShieldV1ModemCore.theBuffer().chopUntil(_qird, true);

// Saving more memory, reuse _qird

_qird[0]='\n';

_qird[1]=0;

theGSM3ShieldV1ModemCore.theBuffer().chopUntil(_qird, true);

rsp = true;

return true;

}

else if(theGSM3ShieldV1ModemCore.theBuffer().locate("OK"))

{

rsp = false;

return true;

}

else

{

rsp = false;

return false;

}

//Read socket main function.

int GSM3ShieldV1MultiClientProvider::readSocket()

{

char charSocket;

charSocket = theGSM3ShieldV1ModemCore.theBuffer().read();

//Case buffer not full

if (!fullBufferSocket)

{

//The last part of the buffer after data is CRLFOKCRLF

if (theGSM3ShieldV1ModemCore.theBuffer().availableBytes()==125)

{

//Start again availableSocket function.

flagReadingSocket=0;

theGSM3ShieldV1ModemCore.openCommand(this,AVAILABLESOCKET);

availableSocketContinue();

}

else if (theGSM3ShieldV1ModemCore.theBuffer().availableBytes()==127)

{

// The buffer is full, no more action is possible until we have read()

theGSM3ShieldV1ModemCore.theBuffer().flush();

flagReadingSocket = 1;

theGSM3ShieldV1ModemCore.openCommand(this,XON);

theGSM3ShieldV1ModemCore.gss.spaceAvailable();

//A small delay to assure data received after xon.

delay(10);

}

//To distinguish the case no more available data in socket.

if (ready()==1)

return charSocket;

else

return 0;

}

int GSM3ShieldV1MultiClientProvider::readSocket()

{

char charSocket;

if(theGSM3ShieldV1ModemCore.theBuffer().availableBytes()==0)

{

Serial.println();Serial.println("*");

return 0;

}

charSocket = theGSM3ShieldV1ModemCore.theBuffer().read();

//Case buffer not full

if (!fullBufferSocket)

{

//The last part of the buffer after data is CRLFOKCRLF

if (theGSM3ShieldV1ModemCore.theBuffer().availableBytes()==125)

{

//Start again availableSocket function.

flagReadingSocket=0;

theGSM3ShieldV1ModemCore.openCommand(this,AVAILABLESOCKET);

availableSocketContinue();

}

else if (theGSM3ShieldV1ModemCore.theBuffer().availableBytes()>=100)

{

// The buffer was full, we have to let the data flow again

// theGSM3ShieldV1ModemCore.theBuffer().flush();

flagReadingSocket = 1;

theGSM3ShieldV1ModemCore.openCommand(this,XON);

theGSM3ShieldV1ModemCore.gss.spaceAvailable();

//A small delay to assure data received after xon.

delay(100);

if(theGSM3ShieldV1ModemCore.theBuffer().availableBytes() >=6)

fullBufferSocket=false;

}

return charSocket;

}

//Read socket main function.

int GSM3ShieldV1MultiClientProvider::peekSocket()

{

return theGSM3ShieldV1ModemCore.theBuffer().peek(0);

}

//Flush SMS main function.

void GSM3ShieldV1MultiClientProvider::flushSocket()

{

flagReadingSocket=0;

theGSM3ShieldV1ModemCore.openCommand(this,FLUSHSOCKET);

flushSocketContinue();

}

//Send SMS continue function.

void GSM3ShieldV1MultiClientProvider::flushSocketContinue()

{

bool resp;

// 1: Deleting SMS

// 2: wait for OK

switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {

case 1:

//DEBUG

//Serial.println("Flushing Socket.");

theGSM3ShieldV1ModemCore.theBuffer().flush();

if (fullBufferSocket)

{

//Serial.println("Buffer flushed.");

theGSM3ShieldV1ModemCore.gss.spaceAvailable();

}

else

{

//Serial.println("Socket flushed completely.");

theGSM3ShieldV1ModemCore.closeCommand(1);

}

break;

}

//URC recognize.

// Momentarily, we will not recognize "closes" in client mode

bool GSM3ShieldV1MultiClientProvider::recognizeUnsolicitedEvent(byte oldTail)

{

return false;

}

int GSM3ShieldV1MultiClientProvider::getSocket(int socket)

{

if(socket==-1)

{

int i;

for(i=minSocket(); i<=maxSocket(); i++)

{

if (!(sockets&(0x0001<<i)))

{

sockets|=((0x0001)<<i);

return i;

}

else

{

if (!(sockets&(0x0001<<socket)))

{

sockets|=((0x0001)<<socket);

return socket;

}

return -1;

}

void GSM3ShieldV1MultiClientProvider::releaseSocket(int socket)

{

if (sockets&((0x0001)<<socket))

sockets^=((0x0001)<<socket);

}

bool GSM3ShieldV1MultiClientProvider::getStatusSocketClient(uint8_t socket)

{

if(socket>8)

return 0;

if(sockets&(0x0001<<socket))

return 1;

else

return 0;

};

GSM/src/GSM3ShieldV1MultiClientProvider.cpp at master · ArduinoLibrariesForks/GSM · GitHub

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