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