1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
#include <GSM3ShieldV1VoiceProvider.h>
#include <Arduino.h>
GSM3ShieldV1VoiceProvider::GSM3ShieldV1VoiceProvider()
{
phonelength=0;
theGSM3MobileVoiceProvider=this;
}
void GSM3ShieldV1VoiceProvider::initialize()
{
theGSM3ShieldV1ModemCore.registerUMProvider(this);
}
//Voice Call main function.
int GSM3ShieldV1VoiceProvider::voiceCall(const char* to)
{
theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("ATD"),false);
theGSM3ShieldV1ModemCore.print(to);
theGSM3ShieldV1ModemCore.print(";\r");
setvoiceCallStatus(CALLING);
return 1;
}
//Retrieve calling number main function.
int GSM3ShieldV1VoiceProvider::retrieveCallingNumber (char* buffer, int bufsize)
{
theGSM3ShieldV1ModemCore.setPhoneNumber(buffer);
phonelength = bufsize;
theGSM3ShieldV1ModemCore.setCommandError(0);
theGSM3ShieldV1ModemCore.setCommandCounter(1);
theGSM3ShieldV1ModemCore.openCommand(this,RETRIEVECALLINGNUMBER);
retrieveCallingNumberContinue();
return theGSM3ShieldV1ModemCore.getCommandError();
}
//Retrieve calling number Continue function.
void GSM3ShieldV1VoiceProvider::retrieveCallingNumberContinue()
{
// 1: AT+CLCC
// 2: Receive +CLCC: 1,1,4,0,0,"num",129,""
// 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+CLCC"));
theGSM3ShieldV1ModemCore.setCommandCounter(2);
break;
case 2:
if(parseCLCC(theGSM3ShieldV1ModemCore.getPhoneNumber(), phonelength))
{
theGSM3ShieldV1ModemCore.closeCommand(1);
}
break;
}
}
//CLCC parse.
bool GSM3ShieldV1VoiceProvider::parseCLCC(char* number, int nlength)
{
theGSM3ShieldV1ModemCore.theBuffer().extractSubstring("+CLCC: 1,1,4,0,0,\"","\"", number, nlength);
theGSM3ShieldV1ModemCore.theBuffer().flush();
return true;
}
//Answer Call main function.
int GSM3ShieldV1VoiceProvider::answerCall()
{
theGSM3ShieldV1ModemCore.setCommandError(0);
theGSM3ShieldV1ModemCore.setCommandCounter(1);
theGSM3ShieldV1ModemCore.openCommand(this,ANSWERCALL);
answerCallContinue();
return theGSM3ShieldV1ModemCore.getCommandError();
}
//Answer Call continue function.
void GSM3ShieldV1VoiceProvider::answerCallContinue()
{
// 1: ATA
// 2: Waiting for OK
// This implementation really does not care much if the modem aswers trash to CMGL
bool resp;
switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
case 1:
// ATA ;
theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("ATA"));
theGSM3ShieldV1ModemCore.setCommandCounter(2);
break;
case 2:
if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))
{
setvoiceCallStatus(TALKING);
if (resp) theGSM3ShieldV1ModemCore.closeCommand(1);
else theGSM3ShieldV1ModemCore.closeCommand(3);
}
break;
}
}
//Hang Call main function.
int GSM3ShieldV1VoiceProvider::hangCall()
{
theGSM3ShieldV1ModemCore.setCommandError(0);
theGSM3ShieldV1ModemCore.setCommandCounter(1);
theGSM3ShieldV1ModemCore.openCommand(this,HANGCALL);
hangCallContinue();
return theGSM3ShieldV1ModemCore.getCommandError();
}
//Hang Call continue function.
void GSM3ShieldV1VoiceProvider::hangCallContinue()
{
// 1: ATH
// 2: Waiting for OK
bool resp;
switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
case 1:
//ATH
theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("ATH"));
theGSM3ShieldV1ModemCore.setCommandCounter(2);
break;
case 2:
if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))
{
setvoiceCallStatus(IDLE_CALL);
if (resp) theGSM3ShieldV1ModemCore.closeCommand(1);
else theGSM3ShieldV1ModemCore.closeCommand(3);
}
break;
}
}
//Response management.
void GSM3ShieldV1VoiceProvider::manageResponse(byte from, byte to)
{
switch(theGSM3ShieldV1ModemCore.getOngoingCommand())
{
case ANSWERCALL:
answerCallContinue();
break;
case HANGCALL:
hangCallContinue();
break;
case RETRIEVECALLINGNUMBER:
retrieveCallingNumberContinue();
break;
}
}
//URC recognize.
bool GSM3ShieldV1VoiceProvider::recognizeUnsolicitedEvent(byte oldTail)
{
int nlength;
char auxLocate [15];
//RING.
prepareAuxLocate(PSTR("RING"), auxLocate);
if(theGSM3ShieldV1ModemCore.theBuffer().locate(auxLocate))
{
// RING
setvoiceCallStatus(RECEIVINGCALL);
theGSM3ShieldV1ModemCore.theBuffer().flush();
return true;
}
//CALL ACEPTED.
prepareAuxLocate(PSTR("+COLP:"), auxLocate);
if(theGSM3ShieldV1ModemCore.theBuffer().locate(auxLocate))
{
//DEBUG
//Serial.println("Call Accepted.");
setvoiceCallStatus(TALKING);
theGSM3ShieldV1ModemCore.theBuffer().flush();
return true;
}
//NO CARRIER.
prepareAuxLocate(PSTR("NO CARRIER"), auxLocate);
if(theGSM3ShieldV1ModemCore.theBuffer().locate(auxLocate))
{
//DEBUG
//Serial.println("NO CARRIER received.");
setvoiceCallStatus(IDLE_CALL);
theGSM3ShieldV1ModemCore.theBuffer().flush();
return true;
}
//BUSY.
prepareAuxLocate(PSTR("BUSY"), auxLocate);
if(theGSM3ShieldV1ModemCore.theBuffer().locate(auxLocate))
{
//DEBUG
//Serial.println("BUSY received.");
setvoiceCallStatus(IDLE_CALL);
theGSM3ShieldV1ModemCore.theBuffer().flush();
return true;
}
//CALL RECEPTION.
prepareAuxLocate(PSTR("+CLIP:"), auxLocate);
if(theGSM3ShieldV1ModemCore.theBuffer().locate(auxLocate))
{
theGSM3ShieldV1ModemCore.theBuffer().flush();
setvoiceCallStatus(RECEIVINGCALL);
return true;
}
return false;
}
|
