/[projects]/smsdaemon/GsmModem.cpp
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Contents of /smsdaemon/GsmModem.cpp

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Revision 67 - (show annotations) (download)
Thu Jun 12 15:23:11 2008 UTC (15 years, 11 months ago) by torben
File size: 3855 byte(s)
Allow DebugGsmModem::SendSms to print directly to cout

1 /* using http://sourceforge.net/projects/libserial/
2 */
3
4 #include <iostream>
5
6 #include <string>
7 #include <stdexcept>
8
9 #include <sys/time.h>
10 #include <time.h>
11
12
13 #include "SerialPort.h"
14
15 #include "GsmModem.h"
16
17 #include "util.h"
18 #include "common.h"
19
20 #include "SmsPdu.h"
21
22 using namespace std;
23
24
25
26 GsmModem::GsmModem(SerialPort& serialport)
27 : m_port(serialport)
28 {
29 }
30
31
32
33 string GsmModem::GetResponse()
34 {
35
36 SerialPort::DataBuffer buf;
37 m_port.Read(buf);
38
39 buf.push_back(0);
40
41 std::string str((char*) &buf[0]);
42
43 return str;
44 }
45
46
47 string GsmModem::Command(string command, string term)
48 {
49 time_t start,now;
50 start = time(0);
51 _timeout = false;
52
53 if (term != "> ")
54 command.append("\r"); //Dont append CarriageReturn if sending SMS
55
56 m_port.Write(command);
57
58 Util::Sleep(1);
59 string response = GetResponse();
60
61 unsigned int tlen = term.length();
62 while ( 1 )
63 {
64 if (response.length() >= tlen)
65 {
66 if (response.substr(response.length()-tlen,tlen) == term)
67 break;
68 }
69
70 response += GetResponse();
71 Util::Sleep(1);
72
73 now = time(0);
74 if ( (now-start) > 10 )
75 {
76 Common::instance()->logMessage( string("GsmModem::Command time out --") + command);
77 _timeout = true;
78 break;
79 }
80 }
81
82 Util::Sleep(5);
83
84 // cout << response.length() << ":" << response << endl;
85 // DumpString(response);
86
87 return response;
88 }
89
90 vector<SMS> GsmModem::ReadSms(bool readAll)
91 {
92
93 Command( "AT+CMGF=1" ); //Set SMS format to text
94
95 const string search = "+CMGL: ";
96 std::string cmd = "AT+CMGL";
97 if (readAll)
98 cmd.append("=ALL");
99
100 string result = Command(cmd);
101
102 vector<SMS> retval;
103 if (result.find(search) == string::npos)
104 return retval;
105
106 result = result.substr(2, result.length() - 8); //remove trailing "\r\nOK\r\n" and initial "\r\n"
107
108
109 while ( 1 )
110 {
111 unsigned int endpos = result.find(search,5);
112
113
114 string sms_entry = result.substr(0,endpos);
115 retval.push_back( SMS::FromRawString(sms_entry) );;
116
117 if (endpos == string::npos)
118 break;
119
120 result = result.substr(endpos, result.length() - endpos);
121 }
122
123 return retval;
124 }
125
126
127 void GsmModem::SendSmsPdu(std::string pdu, int len) //pdu inclussive leading "00"
128 {
129 Common::instance()->logMessage( string("SMS pdu send") );
130
131 Command("AT+CMGF=0");
132 Util::Sleep(2);
133
134 string line1 = "AT+CMGS=";
135 line1.append( Util::str_formatint(len) );
136 line1.append("\r");
137
138
139 Command(line1,"> ");
140
141 pdu.append("\032"); // \032 == Ctrl+Z
142 Command( pdu );
143 Util::Sleep( 50 );
144 Common::instance()->smsCounter.outgoing++;
145 }
146
147 void GsmModem::SendSms(string to, string message, bool allowMultipart)
148 {
149 Common::instance()->logMessage( string("SMS send to ") + to);
150
151 if (to.at(0) == '+')
152 to.erase(0,0);
153
154 vector<PduInfo> pdu_vec = SmsPdu::CreateSmsPdu(to, message, allowMultipart);
155
156 for (unsigned i=0; i<pdu_vec.size(); ++i)
157 {
158 PduInfo& pdu = pdu_vec[i];
159
160 SendSmsPdu(pdu.pdu, pdu.len);
161 }
162
163 }
164
165 void GsmModem::DeleteSms(std::string smsIndex)
166 {
167 string cmd = "AT+CMGD=";
168 cmd.append(smsIndex);
169 Command(cmd);
170 }
171
172 int GsmModem::DeleteAllSms()
173 {
174 vector<SMS> sms = ReadSms(true);
175
176 for (unsigned int i= 0; i<sms.size(); ++i)
177 {
178 DeleteSms( sms[i].sms_index);
179 }
180 return sms.size();
181 }
182
183
184
185 void GsmModem::Init()
186 {
187 Command( "AT" );
188 if (_timeout)
189 throw std::runtime_error("Modem did not respond!");
190
191 Command( "ATZ" ); //Reset any previous setup
192
193 Command( "AT\\Q3" ); //Hardware flow control
194
195 Command( "ATE0" ); //Disable echo
196
197 Command ("AT^SM20=0,0" ); //No SM20 compability
198
199 //Set RealTimeClock ??
200
201 //Enter pin code ??
202 }
203
204
205
206
207 void DebugGsmModem::SendSms(std::string to, std::string message, bool allowMultipart)
208 {
209 _to=to;
210 _message = message;
211 _multipart = allowMultipart;
212
213 if (_print)
214 {
215 cout << "DebugGsmModem::SendSms --------------" << endl;
216 cout << "To: " << to << endl;;
217 cout << "Message: " << message << endl;
218 cout << "Multipart: " << allowMultipart << endl;
219
220 }
221 }

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