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1 /* |
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2 * Copyright (c) 2007 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: EP0 Writer |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include "cep0writer.h" |
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20 #include "cstatemachine.h" |
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21 #include "cusbdevcon.h" |
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22 #include "debug.h" |
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23 |
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24 // --------------------------------------------------------------------------- |
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25 // Two-phase construction |
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26 // --------------------------------------------------------------------------- |
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27 // |
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28 CEP0Writer* CEP0Writer::NewL(CStateMachine& aObserver, RDevUsbcClient& aLdd) |
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29 { |
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30 |
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31 FLOG( _L( "[USBDEVCON]\tCEP0Writer::NewL" ) ); |
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32 |
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33 CEP0Writer* self = new (ELeave) CEP0Writer(aObserver, aLdd); |
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34 CleanupStack::PushL(self); |
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35 self->ConstructL(); |
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36 CleanupStack::Pop(self); |
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37 return self; |
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38 } |
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39 |
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40 // --------------------------------------------------------------------------- |
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41 // Default construction |
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42 // --------------------------------------------------------------------------- |
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43 // |
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44 CEP0Writer::CEP0Writer(CStateMachine& aObserver, RDevUsbcClient& aLdd) : |
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45 CActive(EPriorityMore), |
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46 iObserver(aObserver), |
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47 iLdd(aLdd) |
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48 { |
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49 CActiveScheduler::Add(this); |
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50 } |
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51 |
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52 // --------------------------------------------------------------------------- |
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53 // Two-phase construction |
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54 // --------------------------------------------------------------------------- |
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55 // |
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56 void CEP0Writer::ConstructL() |
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57 { |
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58 |
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59 FLOG( _L( "[USBDEVCON]\tCEP0Writer::ConstructL" ) ); |
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60 |
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61 iBuffer.CreateL(0); // later will be set with needed size |
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62 } |
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63 |
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64 // --------------------------------------------------------------------------- |
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65 // Destruction |
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66 // --------------------------------------------------------------------------- |
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67 // |
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68 CEP0Writer::~CEP0Writer() |
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69 { |
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70 Cancel(); |
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71 |
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72 iBuffer.Close(); |
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73 |
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74 } |
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75 |
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76 // --------------------------------------------------------------------------- |
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77 // Cancellation |
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78 // --------------------------------------------------------------------------- |
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79 // |
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80 void CEP0Writer::DoCancel() |
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81 { |
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82 iLdd.WriteCancel(EEndpoint0); |
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83 } |
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84 |
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85 // --------------------------------------------------------------------------- |
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86 // Data has been wrote to EP0 |
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87 // --------------------------------------------------------------------------- |
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88 // |
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89 void CEP0Writer::RunL() |
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90 { |
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91 |
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92 FLOG( _L( "[USBDEVCON]\tCEP0Writer::RunL" ) ); |
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93 |
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94 iObserver.WroteEP0(iStatus); |
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95 } |
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96 |
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97 // ---------------------------------------------------------------------------- |
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98 // Standard active object error function. |
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99 // ---------------------------------------------------------------------------- |
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100 // |
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101 TInt CEP0Writer::RunError( TInt /*aError*/ ) |
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102 { |
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103 return KErrNone; |
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104 } |
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105 |
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106 // --------------------------------------------------------------------------- |
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107 // Issue request to write data |
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108 // --------------------------------------------------------------------------- |
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109 // |
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110 void CEP0Writer::Write(const RBuf8& aBuffer, TUint aDataLength) |
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111 { |
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112 |
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113 FLOG( _L( "[USBDEVCON]\tCEP0Writer::Write" ) ); |
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114 |
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115 if(IsActive()) |
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116 { |
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117 return; |
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118 } |
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119 |
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120 FTRACE(FPrint( |
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121 _L("[USBDEVCON]\tCEP0Writer::Write. aBuffer Length = %d aDataLength = %d" ),aBuffer.Length(), aDataLength)); |
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122 |
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123 iBuffer.Close(); |
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124 iBuffer.Create(aBuffer, aDataLength); |
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125 |
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126 iLdd.Write(iStatus, EEndpoint0, iBuffer, aDataLength, ETrue); |
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127 SetActive(); |
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128 |
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129 } |
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130 |
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131 |