1 | #include <GSM3ShieldV1SMSProvider.h>
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2 | #include <Arduino.h>
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3 |
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4 | GSM3ShieldV1SMSProvider::GSM3ShieldV1SMSProvider()
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5 | {
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6 | theGSM3SMSProvider=this;
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7 | };
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8 |
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9 | //Send SMS begin function.
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10 | int GSM3ShieldV1SMSProvider::beginSMS(const char* to)
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11 | {
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12 | if((theGSM3ShieldV1ModemCore.getStatus() != GSM_READY)&&(theGSM3ShieldV1ModemCore.getStatus() != GPRS_READY))
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13 | return 2;
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14 |
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15 | theGSM3ShieldV1ModemCore.setPhoneNumber((char*)to);
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16 | theGSM3ShieldV1ModemCore.openCommand(this,BEGINSMS);
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17 | beginSMSContinue();
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18 | return theGSM3ShieldV1ModemCore.getCommandError();
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19 | }
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20 |
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21 | //Send SMS continue function.
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22 | void GSM3ShieldV1SMSProvider::beginSMSContinue()
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23 | {
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24 | bool resp;
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25 | // 1: Send AT
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26 | // 2: wait for > and write text
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27 | switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
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28 | case 1:
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29 | theGSM3ShieldV1ModemCore.setCommandCounter(2);
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30 | theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+CMGS=\""), false);
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31 | theGSM3ShieldV1ModemCore.print(theGSM3ShieldV1ModemCore.getPhoneNumber());
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32 | theGSM3ShieldV1ModemCore.print("\"\r");
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33 | break;
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34 | case 2:
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35 | if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp, ">"))
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36 | {
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37 | if (resp) theGSM3ShieldV1ModemCore.closeCommand(1);
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38 | else theGSM3ShieldV1ModemCore.closeCommand(3);
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39 | }
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40 | break;
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41 | }
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42 | }
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43 |
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44 | //Send SMS write function.
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45 | void GSM3ShieldV1SMSProvider::writeSMS(char c)
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46 | {
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47 | theGSM3ShieldV1ModemCore.write(c);
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48 | }
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49 |
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50 | //Send SMS begin function.
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51 | int GSM3ShieldV1SMSProvider::endSMS()
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52 | {
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53 | theGSM3ShieldV1ModemCore.openCommand(this,ENDSMS);
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54 | endSMSContinue();
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55 | while(ready()==0) delay(100);
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56 | return theGSM3ShieldV1ModemCore.getCommandError();
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57 | }
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58 |
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59 | //Send SMS continue function.
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60 | void GSM3ShieldV1SMSProvider::endSMSContinue()
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61 | {
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62 | bool resp;
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63 | // 1: Send #26
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64 | // 2: wait for OK
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65 | switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
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66 | case 1:
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67 | theGSM3ShieldV1ModemCore.setCommandCounter(2);
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68 | theGSM3ShieldV1ModemCore.write(26);
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69 | theGSM3ShieldV1ModemCore.print("\r");
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70 | break;
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71 | case 2:
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72 | if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))
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73 | {
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74 | if (resp)
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75 | theGSM3ShieldV1ModemCore.closeCommand(1);
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76 | else
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77 | theGSM3ShieldV1ModemCore.closeCommand(3);
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78 | }
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79 | break;
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80 | }
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81 | }
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82 |
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83 | //Available SMS main function.
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84 | int GSM3ShieldV1SMSProvider::availableSMS()
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85 | {
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86 | flagReadingSMS = 0;
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87 | theGSM3ShieldV1ModemCore.openCommand(this,AVAILABLESMS);
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88 | availableSMSContinue();
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89 | return theGSM3ShieldV1ModemCore.getCommandError();
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90 | }
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91 |
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92 | //Available SMS continue function.
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93 | void GSM3ShieldV1SMSProvider::availableSMSContinue()
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94 | {
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95 | // 1: AT+CMGL="REC UNREAD",1
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96 | // 2: Receive +CMGL: _id_ ... READ","_numero_" ... \n_mensaje_\nOK
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97 | // 3: Send AT+CMGD= _id_
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98 | // 4: Receive OK
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99 | // 5: Remaining SMS text in case full buffer.
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100 | // This implementation really does not care much if the modem aswers trash to CMGL
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101 | bool resp;
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102 | //int msglength_aux;
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103 | switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
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104 | case 1:
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105 | theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+CMGL=\"REC UNREAD\",1"));
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106 | theGSM3ShieldV1ModemCore.setCommandCounter(2);
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107 | break;
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108 | case 2:
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109 | if(parseCMGL_available(resp))
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110 | {
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111 | if (!resp) theGSM3ShieldV1ModemCore.closeCommand(4);
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112 | else theGSM3ShieldV1ModemCore.closeCommand(1);
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113 | }
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114 | break;
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115 | }
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116 |
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117 | }
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118 |
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119 | //SMS available parse.
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120 | bool GSM3ShieldV1SMSProvider::parseCMGL_available(bool& rsp)
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121 | {
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122 | fullBufferSMS = (theGSM3ShieldV1ModemCore.theBuffer().availableBytes()<=4);
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123 | if (!(theGSM3ShieldV1ModemCore.theBuffer().chopUntil("+CMGL:", true)))
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124 | rsp = false;
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125 | else
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126 | rsp = true;
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127 | idSMS=theGSM3ShieldV1ModemCore.theBuffer().readInt();
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128 |
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129 | //If there are 2 SMS in buffer, response is ...CRLFCRLF+CMGL
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130 | twoSMSinBuffer = theGSM3ShieldV1ModemCore.theBuffer().locate("\r\n\r\n+");
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131 |
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132 | checkSecondBuffer = 0;
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133 |
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134 | return true;
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135 | }
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136 |
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137 | //remoteNumber SMS function.
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138 | int GSM3ShieldV1SMSProvider::remoteSMSNumber(char* number, int nlength)
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139 | {
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140 | theGSM3ShieldV1ModemCore.theBuffer().extractSubstring("READ\",\"", "\"", number, nlength);
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141 |
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142 | return 1;
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143 | }
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144 |
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145 | //remoteNumber SMS function.
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146 | int GSM3ShieldV1SMSProvider::readSMS()
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147 | {
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148 | char charSMS;
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149 | //First char.
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150 | if (!flagReadingSMS)
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151 | {
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152 | flagReadingSMS = 1;
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153 | theGSM3ShieldV1ModemCore.theBuffer().chopUntil("\n", true);
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154 | }
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155 | charSMS = theGSM3ShieldV1ModemCore.theBuffer().read();
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156 |
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157 | //Second Buffer.
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158 | if (checkSecondBuffer)
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159 | {
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160 | checkSecondBuffer = 0;
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161 | twoSMSinBuffer = theGSM3ShieldV1ModemCore.theBuffer().locate("\r\n\r\n+");
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162 | }
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163 |
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164 | //Case the last char in buffer.
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165 | if ((!twoSMSinBuffer)&&fullBufferSMS&&(theGSM3ShieldV1ModemCore.theBuffer().availableBytes()==127))
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166 | {
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167 | theGSM3ShieldV1ModemCore.theBuffer().flush();
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168 | fullBufferSMS = 0;
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169 | checkSecondBuffer = 1;
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170 | theGSM3ShieldV1ModemCore.openCommand(this,XON);
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171 | theGSM3ShieldV1ModemCore.gss.spaceAvailable();
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172 | delay(10);
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173 |
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174 | return charSMS;
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175 | }
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176 | //Case two SMS in buffer
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177 | else if (twoSMSinBuffer)
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178 | {
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179 | if (theGSM3ShieldV1ModemCore.theBuffer().locate("\r\n\r\n+"))
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180 | {
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181 | return charSMS;
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182 | }
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183 | else
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184 | {
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185 | theGSM3ShieldV1ModemCore.theBuffer().flush();
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186 | theGSM3ShieldV1ModemCore.openCommand(this,XON);
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187 | theGSM3ShieldV1ModemCore.gss.spaceAvailable();
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188 | delay(10);
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189 | return 0;
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190 | }
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191 | }
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192 | //Case 1 SMS and buffer not full
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193 | else if (!fullBufferSMS)
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194 | {
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195 | if (theGSM3ShieldV1ModemCore.theBuffer().locate("\r\n\r\nOK"))
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196 | {
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197 | return charSMS;
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198 | }
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199 | else
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200 | {
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201 | theGSM3ShieldV1ModemCore.theBuffer().flush();
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202 | theGSM3ShieldV1ModemCore.openCommand(this,XON);
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203 | theGSM3ShieldV1ModemCore.gss.spaceAvailable();
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204 | delay(10);
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205 | return 0;
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206 | }
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207 | }
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208 | //Case to read all the chars in buffer to the end.
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209 | else
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210 | {
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211 | return charSMS;
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212 | }
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213 | }
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214 |
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215 | //Read socket main function.
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216 | int GSM3ShieldV1SMSProvider::peekSMS()
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217 | {
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218 | if (!flagReadingSMS)
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219 | {
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220 | flagReadingSMS = 1;
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221 | theGSM3ShieldV1ModemCore.theBuffer().chopUntil("\n", true);
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222 | }
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223 |
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224 | return theGSM3ShieldV1ModemCore.theBuffer().peek(0);
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225 | }
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226 |
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227 | //Flush SMS main function.
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228 | void GSM3ShieldV1SMSProvider::flushSMS()
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229 | {
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230 |
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231 | //With this, sms data can fill up to 2x128+5x128 bytes.
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232 | for (int aux = 0;aux<5;aux++)
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233 | {
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234 | theGSM3ShieldV1ModemCore.theBuffer().flush();
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235 | theGSM3ShieldV1ModemCore.gss.spaceAvailable();
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236 | delay(10);
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237 | }
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238 |
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239 | theGSM3ShieldV1ModemCore.openCommand(this,FLUSHSMS);
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240 | flushSMSContinue();
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241 | }
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242 |
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243 | //Send SMS continue function.
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244 | void GSM3ShieldV1SMSProvider::flushSMSContinue()
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245 | {
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246 | bool resp;
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247 | // 1: Deleting SMS
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248 | // 2: wait for OK
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249 | switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
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250 | case 1:
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251 | theGSM3ShieldV1ModemCore.setCommandCounter(2);
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252 | theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+CMGD="), false);
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253 | theGSM3ShieldV1ModemCore.print(idSMS);
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254 | theGSM3ShieldV1ModemCore.print("\r");
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255 | break;
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256 | case 2:
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257 | if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))
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258 | {
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259 | if (resp) theGSM3ShieldV1ModemCore.closeCommand(1);
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260 | else theGSM3ShieldV1ModemCore.closeCommand(3);
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261 | }
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262 | break;
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263 | }
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264 | }
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265 |
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266 | void GSM3ShieldV1SMSProvider::manageResponse(byte from, byte to)
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267 | {
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268 | switch(theGSM3ShieldV1ModemCore.getOngoingCommand())
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269 | {
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270 | /* case XON:
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271 | if (flagReadingSocket)
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272 | {
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273 | // flagReadingSocket = 0;
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274 | fullBufferSocket = (theGSM3ShieldV1ModemCore.theBuffer().availableBytes()<3);
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275 | }
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276 | else theGSM3ShieldV1ModemCore.openCommand(this,NONE);
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277 | break;
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278 | */ case NONE:
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279 | theGSM3ShieldV1ModemCore.gss.cb.deleteToTheEnd(from);
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280 | break;
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281 | case BEGINSMS:
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282 | beginSMSContinue();
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283 | break;
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284 | case ENDSMS:
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285 | endSMSContinue();
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286 | break;
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287 | case AVAILABLESMS:
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288 | availableSMSContinue();
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289 | break;
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290 | case FLUSHSMS:
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291 | flushSMSContinue();
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292 | break;
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293 | }
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294 | }
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