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1 /* |
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2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Echoer for AT commands |
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15 * |
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16 */ |
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17 |
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18 #include "DunAtCmdEchoer.h" |
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19 #include "DunDownstream.h" |
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20 #include "DunDebug.h" |
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21 |
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22 // --------------------------------------------------------------------------- |
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23 // Two-phased constructor. |
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24 // --------------------------------------------------------------------------- |
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25 // |
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26 CDunAtCmdEchoer* CDunAtCmdEchoer::NewL( |
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27 MDunStreamManipulator* aStreamCallback ) |
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28 { |
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29 CDunAtCmdEchoer* self = new (ELeave) CDunAtCmdEchoer( aStreamCallback ); |
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30 CleanupStack::PushL( self ); |
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31 self->ConstructL(); |
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32 CleanupStack::Pop( self ); |
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33 return self; |
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34 } |
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35 |
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36 // --------------------------------------------------------------------------- |
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37 // Destructor. |
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38 // --------------------------------------------------------------------------- |
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39 // |
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40 CDunAtCmdEchoer::~CDunAtCmdEchoer() |
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41 { |
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42 FTRACE(FPrint( _L("CDunAtCmdEchoer::~CDunAtCmdEchoer()") )); |
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43 ResetData(); |
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44 FTRACE(FPrint( _L("CDunAtCmdEchoer::~CDunAtCmdEchoer() complete") )); |
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45 } |
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46 |
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47 // --------------------------------------------------------------------------- |
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48 // Resets data to initial values |
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49 // --------------------------------------------------------------------------- |
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50 // |
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51 void CDunAtCmdEchoer::ResetData() |
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52 { |
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53 FTRACE(FPrint( _L("CDunAtCmdEchoer::ResetData()") )); |
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54 // Internal |
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55 Initialize(); |
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56 FTRACE(FPrint( _L("CDunAtCmdEchoer::ResetData() complete") )); |
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57 } |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // Sends a character to be echoed |
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61 // --------------------------------------------------------------------------- |
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62 // |
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63 TInt CDunAtCmdEchoer::SendEchoCharacter( |
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64 const TDesC8* aInput, |
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65 MDunAtCmdEchoer* aCallback ) |
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66 { |
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67 FTRACE(FPrint( _L("CDunAtCmdEchoer::SendEchoCharacter()") )); |
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68 if ( iAtEchoState!=EDunStateIdle || iCallback ) |
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69 { |
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70 FTRACE(FPrint( _L("CDunAtCmdEchoer::SendEchoCharacter() (not ready) complete") )); |
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71 return KErrNotReady; |
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72 } |
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73 iStreamCallback->NotifyDataPushRequest( aInput, this ); |
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74 iCallback = aCallback; |
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75 iAtEchoState = EDunStateAtCmdEchoing; |
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76 FTRACE(FPrint( _L("CDunDownstream::SendEchoCharacter() complete" ) )); |
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77 return KErrNone; |
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78 } |
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79 |
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80 // --------------------------------------------------------------------------- |
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81 // CDunAtCmdEchoer::CDunAtCmdEchoer |
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82 // --------------------------------------------------------------------------- |
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83 // |
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84 CDunAtCmdEchoer::CDunAtCmdEchoer( MDunStreamManipulator* aStreamCallback ) : |
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85 iStreamCallback( aStreamCallback ) |
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86 { |
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87 Initialize(); |
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88 } |
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89 |
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90 // --------------------------------------------------------------------------- |
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91 // CDunAtCmdEchoer::ConstructL |
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92 // --------------------------------------------------------------------------- |
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93 // |
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94 void CDunAtCmdEchoer::ConstructL() |
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95 { |
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96 FTRACE(FPrint( _L("CDunAtCmdEchoer::ConstructL()") )); |
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97 if ( !iStreamCallback ) |
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98 { |
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99 FTRACE(FPrint( _L("CDunAtCmdEchoer::ConstructL() complete") )); |
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100 User::Leave( KErrGeneral ); |
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101 } |
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102 FTRACE(FPrint( _L("CDunAtCmdEchoer::ConstructL() complete") )); |
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103 } |
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104 |
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105 // --------------------------------------------------------------------------- |
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106 // Initializes this class |
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107 // --------------------------------------------------------------------------- |
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108 // |
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109 void CDunAtCmdEchoer::Initialize() |
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110 { |
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111 // Don't initialize iStreamCallback here (it is set through NewL) |
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112 iCallback = NULL; |
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113 iAtEchoState = EDunStateIdle; |
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114 } |
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115 |
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116 // --------------------------------------------------------------------------- |
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117 // From MDunCompletionReporter. |
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118 // Gets called when data push is complete |
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119 // --------------------------------------------------------------------------- |
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120 // |
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121 void CDunAtCmdEchoer::NotifyDataPushComplete( TBool /*aAllPushed*/ ) |
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122 { |
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123 FTRACE(FPrint( _L("CDunAtCmdEchoer::NotifyDataPushComplete()") )); |
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124 MDunAtCmdEchoer* callback = iCallback; |
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125 iCallback = NULL; |
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126 iAtEchoState = EDunStateIdle; |
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127 callback->NotifyEchoComplete(); |
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128 FTRACE(FPrint( _L("CDunAtCmdEchoer::NotifyDataPushComplete() complete") )); |
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129 } |