1 | /*
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2 | This file is part of the GSM3 communications library for Arduino
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3 | -- Multi-transport communications platform
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4 | -- Fully asynchronous
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5 | -- Includes code for the Arduino-Telefonica GSM/GPRS Shield V1
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6 | -- Voice calls
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7 | -- SMS
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8 | -- TCP/IP connections
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9 | -- HTTP basic clients
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10 |
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11 | This library has been developed by Telefónica Digital - PDI -
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12 | - Physical Internet Lab, as part as its collaboration with
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13 | Arduino and the Open Hardware Community.
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14 |
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15 | September-December 2012
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16 |
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17 | This library is free software; you can redistribute it and/or
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18 | modify it under the terms of the GNU Lesser General Public
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19 | License as published by the Free Software Foundation; either
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20 | version 2.1 of the License, or (at your option) any later version.
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21 |
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22 | This library is distributed in the hope that it will be useful,
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23 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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24 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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25 | Lesser General Public License for more details.
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26 |
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27 | You should have received a copy of the GNU Lesser General Public
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28 | License along with this library; if not, write to the Free Software
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29 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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30 |
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31 | The latest version of this library can always be found at
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32 | https://github.com/BlueVia/Official-Arduino
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33 | */
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34 | #include <GSM3ShieldV1DirectModemProvider.h>
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35 | #include <GSM3ShieldV1ModemCore.h>
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36 | #include <HardwareSerial.h>
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37 | #include <Arduino.h>
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38 |
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39 | #define __RESETPIN__ 7
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40 |
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41 | //Constructor
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42 | GSM3ShieldV1DirectModemProvider::GSM3ShieldV1DirectModemProvider(bool t)
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43 | {
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44 | trace=t;
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45 | };
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46 |
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47 | void GSM3ShieldV1DirectModemProvider::begin()
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48 | {
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49 | theGSM3ShieldV1ModemCore.gss.begin(9600);
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50 | }
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51 |
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52 | void GSM3ShieldV1DirectModemProvider::restartModem()
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53 | {
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54 | pinMode(__RESETPIN__, OUTPUT);
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55 | digitalWrite(__RESETPIN__, HIGH);
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56 | delay(12000);
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57 | digitalWrite(__RESETPIN__, LOW);
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58 | delay(1000);
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59 |
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60 | }
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61 |
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62 | //To enable the debug process
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63 | void GSM3ShieldV1DirectModemProvider::connect()
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64 | {
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65 | theGSM3ShieldV1ModemCore.registerActiveProvider(this);
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66 | }
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67 |
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68 | //To disable the debug process
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69 | void GSM3ShieldV1DirectModemProvider::disconnect()
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70 | {
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71 | theGSM3ShieldV1ModemCore.registerActiveProvider(0);
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72 | }
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73 |
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74 | //Write to the modem by means of SoftSerial
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75 | size_t GSM3ShieldV1DirectModemProvider::write(uint8_t c)
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76 | {
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77 | theGSM3ShieldV1ModemCore.write(c);
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78 | }
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79 |
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80 | //Detect if data to be read
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81 | int/*bool*/ GSM3ShieldV1DirectModemProvider::available()
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82 | {
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83 | if (theGSM3ShieldV1ModemCore.gss.cb.peek(1)) return 1;
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84 | else return 0;
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85 | }
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86 |
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87 | //Read data
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88 | int/*char*/ GSM3ShieldV1DirectModemProvider::read()
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89 | {
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90 | int dataRead;
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91 | dataRead = theGSM3ShieldV1ModemCore.gss.cb.read();
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92 | //In case last char in xof mode.
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93 | if (!(theGSM3ShieldV1ModemCore.gss.cb.peek(0))) {
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94 | theGSM3ShieldV1ModemCore.gss.spaceAvailable();
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95 | delay(100);
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96 | }
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97 | return dataRead;
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98 | }
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99 |
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100 | //Peek data
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101 | int/*char*/ GSM3ShieldV1DirectModemProvider::peek()
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102 | {
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103 | return theGSM3ShieldV1ModemCore.gss.cb.peek(0);
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104 | }
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105 |
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106 | //Flush data
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107 | void GSM3ShieldV1DirectModemProvider::flush()
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108 | {
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109 | return theGSM3ShieldV1ModemCore.gss.cb.flush();
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110 | }
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111 |
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112 | String GSM3ShieldV1DirectModemProvider::writeModemCommand(String ATcommand, int responseDelay)
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113 | {
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114 |
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115 | if(trace)
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116 | Serial.println(ATcommand);
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117 |
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118 | // Flush other texts
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119 | flush();
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120 |
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121 | //Enter debug mode.
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122 | connect();
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123 | //Send the AT command.
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124 | println(ATcommand);
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125 |
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126 | delay(responseDelay);
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127 |
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128 | //Get response data from modem.
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129 | String result = "";
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130 | if(trace)
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131 | theGSM3ShieldV1ModemCore.gss.cb.debugBuffer();
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132 |
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133 | while (available())
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134 | {
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135 | char c = read();
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136 | result += c;
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137 | }
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138 | if(trace)
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139 | Serial.println(result);
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140 | //Leave the debug mode.
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141 | disconnect();
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142 | return result;
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143 | }
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