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#include <GSM3ShieldV1SMSProvider.h>
#include <Arduino.h>
GSM3ShieldV1SMSProvider::GSM3ShieldV1SMSProvider()
{
theGSM3SMSProvider=this;
};
//Send SMS begin function.
int GSM3ShieldV1SMSProvider::beginSMS(const char* to)
{
if((theGSM3ShieldV1ModemCore.getStatus() != GSM_READY)&&(theGSM3ShieldV1ModemCore.getStatus() != GPRS_READY))
return 2;
theGSM3ShieldV1ModemCore.setPhoneNumber((char*)to);
theGSM3ShieldV1ModemCore.openCommand(this,BEGINSMS);
beginSMSContinue();
return theGSM3ShieldV1ModemCore.getCommandError();
}
//Send SMS continue function.
void GSM3ShieldV1SMSProvider::beginSMSContinue()
{
bool resp;
// 1: Send AT
// 2: wait for > and write text
switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
case 1:
theGSM3ShieldV1ModemCore.setCommandCounter(2);
theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+CMGS=\""), false);
theGSM3ShieldV1ModemCore.print(theGSM3ShieldV1ModemCore.getPhoneNumber());
theGSM3ShieldV1ModemCore.print("\"\r");
break;
case 2:
if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp, ">"))
{
if (resp) theGSM3ShieldV1ModemCore.closeCommand(1);
else theGSM3ShieldV1ModemCore.closeCommand(3);
}
break;
}
}
//Send SMS write function.
void GSM3ShieldV1SMSProvider::writeSMS(char c)
{
theGSM3ShieldV1ModemCore.write(c);
}
//Send SMS begin function.
int GSM3ShieldV1SMSProvider::endSMS()
{
theGSM3ShieldV1ModemCore.openCommand(this,ENDSMS);
endSMSContinue();
return theGSM3ShieldV1ModemCore.getCommandError();
}
//Send SMS continue function.
void GSM3ShieldV1SMSProvider::endSMSContinue()
{
bool resp;
// 1: Send #26
// 2: wait for OK
switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
case 1:
theGSM3ShieldV1ModemCore.setCommandCounter(2);
theGSM3ShieldV1ModemCore.write(26);
theGSM3ShieldV1ModemCore.print("\r");
break;
case 2:
if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))
{
if (resp)
theGSM3ShieldV1ModemCore.closeCommand(1);
else
theGSM3ShieldV1ModemCore.closeCommand(3);
}
break;
}
}
//Available SMS main function.
int GSM3ShieldV1SMSProvider::availableSMS()
{
flagReadingSMS = 0;
theGSM3ShieldV1ModemCore.openCommand(this,AVAILABLESMS);
availableSMSContinue();
return theGSM3ShieldV1ModemCore.getCommandError();
}
//Available SMS continue function.
void GSM3ShieldV1SMSProvider::availableSMSContinue()
{
// 1: AT+CMGL="REC UNREAD",1
// 2: Receive +CMGL: _id_ ... READ","_numero_" ... \n_mensaje_\nOK
// 3: Send AT+CMGD= _id_
// 4: Receive OK
// 5: Remaining SMS text in case full buffer.
// This implementation really does not care much if the modem aswers trash to CMGL
bool resp;
//int msglength_aux;
switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
case 1:
theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+CMGL=\"REC UNREAD\",1"));
theGSM3ShieldV1ModemCore.setCommandCounter(2);
break;
case 2:
if(parseCMGL_available(resp))
{
if (!resp) theGSM3ShieldV1ModemCore.closeCommand(4);
else theGSM3ShieldV1ModemCore.closeCommand(1);
}
break;
}
}
//SMS available parse.
bool GSM3ShieldV1SMSProvider::parseCMGL_available(bool& rsp)
{
fullBufferSMS = (theGSM3ShieldV1ModemCore.theBuffer().availableBytes()<=4);
if (!(theGSM3ShieldV1ModemCore.theBuffer().chopUntil("+CMGL:", true)))
rsp = false;
else
rsp = true;
idSMS=theGSM3ShieldV1ModemCore.theBuffer().readInt();
//If there are 2 SMS in buffer, response is ...CRLFCRLF+CMGL
twoSMSinBuffer = theGSM3ShieldV1ModemCore.theBuffer().locate("\r\n\r\n+");
checkSecondBuffer = 0;
return true;
}
//remoteNumber SMS function.
int GSM3ShieldV1SMSProvider::remoteSMSNumber(char* number, int nlength)
{
theGSM3ShieldV1ModemCore.theBuffer().extractSubstring("READ\",\"", "\"", number, nlength);
return 1;
}
//remoteNumber SMS function.
int GSM3ShieldV1SMSProvider::readSMS()
{
char charSMS;
//First char.
if (!flagReadingSMS)
{
flagReadingSMS = 1;
theGSM3ShieldV1ModemCore.theBuffer().chopUntil("\n", true);
}
charSMS = theGSM3ShieldV1ModemCore.theBuffer().read();
//Second Buffer.
if (checkSecondBuffer)
{
checkSecondBuffer = 0;
twoSMSinBuffer = theGSM3ShieldV1ModemCore.theBuffer().locate("\r\n\r\n+");
}
//Case the last char in buffer.
if ((!twoSMSinBuffer)&&fullBufferSMS&&(theGSM3ShieldV1ModemCore.theBuffer().availableBytes()==127))
{
theGSM3ShieldV1ModemCore.theBuffer().flush();
fullBufferSMS = 0;
checkSecondBuffer = 1;
theGSM3ShieldV1ModemCore.openCommand(this,XON);
theGSM3ShieldV1ModemCore.gss.spaceAvailable();
delay(10);
return charSMS;
}
//Case two SMS in buffer
else if (twoSMSinBuffer)
{
if (theGSM3ShieldV1ModemCore.theBuffer().locate("\r\n\r\n+"))
{
return charSMS;
}
else
{
theGSM3ShieldV1ModemCore.theBuffer().flush();
theGSM3ShieldV1ModemCore.openCommand(this,XON);
theGSM3ShieldV1ModemCore.gss.spaceAvailable();
delay(10);
return 0;
}
}
//Case 1 SMS and buffer not full
else if (!fullBufferSMS)
{
if (theGSM3ShieldV1ModemCore.theBuffer().locate("\r\n\r\nOK"))
{
return charSMS;
}
else
{
theGSM3ShieldV1ModemCore.theBuffer().flush();
theGSM3ShieldV1ModemCore.openCommand(this,XON);
theGSM3ShieldV1ModemCore.gss.spaceAvailable();
delay(10);
return 0;
}
}
//Case to read all the chars in buffer to the end.
else
{
return charSMS;
}
}
//Read socket main function.
int GSM3ShieldV1SMSProvider::peekSMS()
{
if (!flagReadingSMS)
{
flagReadingSMS = 1;
theGSM3ShieldV1ModemCore.theBuffer().chopUntil("\n", true);
}
return theGSM3ShieldV1ModemCore.theBuffer().peek(0);
}
//Flush SMS main function.
void GSM3ShieldV1SMSProvider::flushSMS()
{
//With this, sms data can fill up to 2x128+5x128 bytes.
for (int aux = 0;aux<5;aux++)
{
theGSM3ShieldV1ModemCore.theBuffer().flush();
theGSM3ShieldV1ModemCore.gss.spaceAvailable();
delay(10);
}
theGSM3ShieldV1ModemCore.openCommand(this,FLUSHSMS);
flushSMSContinue();
}
//Send SMS continue function.
void GSM3ShieldV1SMSProvider::flushSMSContinue()
{
bool resp;
// 1: Deleting SMS
// 2: wait for OK
switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
case 1:
theGSM3ShieldV1ModemCore.setCommandCounter(2);
theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+CMGD="), false);
theGSM3ShieldV1ModemCore.print(idSMS);
theGSM3ShieldV1ModemCore.print("\r");
break;
case 2:
if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))
{
if (resp) theGSM3ShieldV1ModemCore.closeCommand(1);
else theGSM3ShieldV1ModemCore.closeCommand(3);
}
break;
}
}
void GSM3ShieldV1SMSProvider::manageResponse(byte from, byte to)
{
switch(theGSM3ShieldV1ModemCore.getOngoingCommand())
{
/* case XON:
if (flagReadingSocket)
{
// flagReadingSocket = 0;
fullBufferSocket = (theGSM3ShieldV1ModemCore.theBuffer().availableBytes()<3);
}
else theGSM3ShieldV1ModemCore.openCommand(this,NONE);
break;
*/ case NONE:
theGSM3ShieldV1ModemCore.gss.cb.deleteToTheEnd(from);
break;
case BEGINSMS:
beginSMSContinue();
break;
case ENDSMS:
endSMSContinue();
break;
case AVAILABLESMS:
availableSMSContinue();
break;
case FLUSHSMS:
flushSMSContinue();
break;
}
}
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