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/* using http://sourceforge.net/projects/libserial/ |
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*/ |
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#include <iostream> |
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#include <string> |
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#include <stdexcept> |
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#include <time.h> |
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#include "SerialPort.h" |
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#include "GsmModem.h" |
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#include "util.h" |
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#include "common.h" |
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#include "SmsPdu.h" |
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using namespace std; |
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GsmModem::GsmModem(SerialPort& serialport) |
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: m_port(serialport) |
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{ |
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} |
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string GsmModem::GetResponse() |
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{ |
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SerialPort::DataBuffer buf; |
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m_port.Read(buf); |
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buf.push_back(0); |
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std::string str((char*) &buf[0]); |
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return str; |
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} |
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string GsmModem::Command(string command, string term) |
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{ |
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time_t start,now; |
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start = time(0); |
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_timeout = false; |
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if (term != "> ") |
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command.append("\r"); //Dont append CarriageReturn if sending SMS |
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m_port.Write(command); |
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Util::Sleep(1); |
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string response = GetResponse(); |
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unsigned int tlen = term.length(); |
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while ( 1 ) |
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{ |
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if (response.length() >= tlen) |
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{ |
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if (response.substr(response.length()-tlen,tlen) == term) |
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break; |
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} |
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response += GetResponse(); |
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Util::Sleep(1); |
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now = time(0); |
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if ( (now-start) > 10 ) |
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{ |
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Common::instance()->logMessage( string("GsmModem::Command time out --") + command); |
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Common::instance()->logMessage( string("Modem responded: ") + Util::str_trim(response) ); |
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_timeout = true; |
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break; |
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} |
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} |
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Util::Sleep(5); |
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return response; |
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} |
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vector<SMS> GsmModem::ReadSms(bool readAll) |
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{ |
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Command( "AT+CMGF=0" ); //Set SMS format to PDU |
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const string search = "+CMGL: "; |
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std::string cmd = "AT+CMGL"; |
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if (readAll) |
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cmd.append("=4"); |
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string result = Command(cmd); |
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vector<SMS> retval; |
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if (result.find(search) == string::npos) |
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return retval; |
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result = result.substr(2, result.length() - 8); //remove trailing "\r\nOK\r\n" and initial "\r\n" |
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while ( 1 ) |
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{ |
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unsigned int endpos = result.find(search,5); |
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string sms_entry = result.substr(0,endpos); |
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retval.push_back( SMS::FromPduString(sms_entry) );; |
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if (endpos == string::npos) |
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break; |
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result = result.substr(endpos, result.length() - endpos); |
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} |
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return retval; |
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} |
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void GsmModem::SendSmsPdu(std::string pdu, int len) //pdu inclussive leading "00" |
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{ |
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Common::instance()->logMessage( string("SMS pdu send") ); |
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Command("AT+CMGF=0"); |
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Util::Sleep(2); |
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string line1 = "AT+CMGS="; |
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line1.append( Util::str_formatint(len) ); |
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line1.append("\r"); |
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Command(line1,"> "); |
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pdu.append("\032"); // \032 == Ctrl+Z |
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Command( pdu ); |
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Util::Sleep( 50 ); |
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Common::instance()->smsCounter.outgoing++; |
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} |
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void GsmModem::SendSms(string to, string message, bool allowMultipart) |
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{ |
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Common::instance()->logMessage( string("SMS send to ") + to); |
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if (to.at(0) == '+') |
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to.erase(0,0); |
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vector<PduInfo> pdu_vec = SmsPdu::CreateSmsPdu(to, message, allowMultipart); |
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for (unsigned i=0; i<pdu_vec.size(); ++i) |
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{ |
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PduInfo& pdu = pdu_vec[i]; |
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SendSmsPdu(pdu.pdu, pdu.len); |
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} |
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} |
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void GsmModem::DeleteSms(std::string smsIndex) |
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{ |
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string cmd = "AT+CMGD="; |
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cmd.append(smsIndex); |
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Command(cmd); |
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} |
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int GsmModem::DeleteAllSms() |
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{ |
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vector<SMS> sms = ReadSms(true); |
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for (unsigned int i= 0; i<sms.size(); ++i) |
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{ |
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DeleteSms( sms[i].sms_index); |
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} |
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return sms.size(); |
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} |
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void GsmModem::Init() |
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{ |
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Command( "AT" ); |
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if (_timeout) |
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throw std::runtime_error("Modem did not respond!"); |
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Command( "ATZ" ); //Reset any previous setup |
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Command( "AT\\Q3" ); //Hardware flow control |
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Command( "ATE0" ); //Disable echo |
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Command ("AT^SM20=0,0" ); //No SM20 compability |
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//Command("AT+CGATT=1"); //GPRS Attach |
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//Command("AT+CGSMS=2"); //SMS over GPRS preferred |
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//Set RealTimeClock ?? |
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//Enter pin code ?? |
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} |
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void DebugGsmModem::SendSms(std::string to, std::string message, bool allowMultipart) |
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{ |
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_to=to; |
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_message = message; |
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_multipart = allowMultipart; |
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if (_print) |
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{ |
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cout << "DebugGsmModem::SendSms --------------" << endl; |
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cout << "To: " << to << endl;; |
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cout << "Message: " << message << endl; |
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cout << "Multipart: " << allowMultipart << endl; |
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} |
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} |
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