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: Implementation of DIscDataTransmissionBase class |
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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 |
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20 // INCLUDE FILES |
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21 #include <IscDevice.h> |
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22 #include "IscTrace.h" |
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23 #include "IscDataTransmissionBase.h" |
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24 #include "IscBufferAllocator.h" |
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25 |
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26 #ifdef __WINS__ |
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27 #include <windows.h> |
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28 #endif |
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29 |
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30 // EXTERNAL DATA STRUCTURES |
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31 |
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32 // EXTERNAL FUNCTION PROTOTYPES |
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33 |
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34 // CONSTANTS |
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35 |
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36 // MACROS |
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37 |
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38 // LOCAL CONSTANTS AND MACROS |
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39 |
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40 // MODULE DATA STRUCTURES |
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41 |
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42 // LOCAL FUNCTION PROTOTYPES |
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43 |
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44 // FORWARD DECLARATIONS |
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45 #ifdef __WINS__ |
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46 CRITICAL_SECTION g_IscDTBCriticalSection; |
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47 #endif |
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48 |
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49 // ============================ MEMBER FUNCTIONS =============================== |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // DIscDataTransmissionBase::DIscDataTransmissionBase |
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53 // C++ default constructor |
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54 // ( other items were commented in a header ). |
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55 // ----------------------------------------------------------------------------- |
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56 // |
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57 EXPORT_C DIscDataTransmissionBase::DIscDataTransmissionBase() |
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58 :iDevice( NULL ), |
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59 iIscBufferAllocator( NULL ) |
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60 { |
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61 A_TRACE( ( _T( "DIscDataTransmissionBase::DIscDataTransmissionBase()" ) ) ); |
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62 #ifdef __WINS__ |
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63 InitializeCriticalSection( &g_IscDTBCriticalSection ); |
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64 #endif |
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65 } |
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66 |
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67 |
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68 // Destructor |
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69 EXPORT_C DIscDataTransmissionBase::~DIscDataTransmissionBase() |
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70 { |
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71 A_TRACE( ( _T( "DIscDataTransmissionBase::~DIscDataTransmissionBase()" ) ) ); |
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72 if ( iIscBufferAllocator ) |
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73 { |
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74 delete iIscBufferAllocator; |
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75 iIscBufferAllocator=NULL; |
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76 } |
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77 #ifdef __WINS__ |
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78 DeleteCriticalSection( &g_IscDTBCriticalSection ); |
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79 #endif |
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80 A_TRACE( ( _T( "DIscDataTransmissionBase::~DIscDataTransmissionBase - return void" ) ) ); |
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81 } |
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82 |
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83 |
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84 // ----------------------------------------------------------------------------- |
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85 // DIscDataTransmissionBase::AllocBuffers |
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86 // buffer allocations according to the ISC Multiplexer |
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87 // ( other items were commented in a header ). |
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88 // ----------------------------------------------------------------------------- |
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89 // |
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90 EXPORT_C void DIscDataTransmissionBase::AllocBuffers( TIscBufferEntry* aBufferConfig ) |
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91 { |
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92 A_TRACE( ( _T( "DIscDataTransmissionBase::AllocBuffers(0x%x)" ), aBufferConfig ) ); |
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93 // Allocate buffers |
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94 if ( !iIscBufferAllocator ) |
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95 { |
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96 iIscBufferAllocator = new DIscBufferAllocator( aBufferConfig ); |
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97 ASSERT_RESET_ALWAYS( iIscBufferAllocator, "ISCDataTransmissionBase",EIscMemoryAllocationFailure ); |
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98 iIscBufferAllocator->AllocBuffers(); |
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99 } |
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100 A_TRACE( ( _T( "DIscDataTransmissionBase::AllocBuffers - return void" ) ) ); |
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101 } |
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102 // ----------------------------------------------------------------------------- |
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103 // DIscDataTransmissionBase::ReceiveFrame |
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104 // Transfer incoming frame to ISC Driver |
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105 // ( other items were commented in a header ). |
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106 // ----------------------------------------------------------------------------- |
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107 // |
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108 EXPORT_C void DIscDataTransmissionBase::ReceiveFrame( |
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109 TDesC8& aFrame ) |
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110 { |
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111 |
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112 if ( iDevice ) |
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113 { |
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114 iDevice->Receive( &aFrame ); |
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115 } |
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116 else |
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117 { |
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118 TRACE_ASSERT_ALWAYS; |
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119 } |
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120 |
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121 } |
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122 |
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123 // ----------------------------------------------------------------------------- |
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124 // DIscDataTransmissionBase::NotifyConnectionStatus |
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125 // Notifies any connection status changes to ISC Driver |
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126 // ( other items were commented in a header ). |
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127 // ----------------------------------------------------------------------------- |
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128 // |
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129 EXPORT_C void DIscDataTransmissionBase::NotifyConnectionStatus( |
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130 TInt aStatus ) |
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131 { |
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132 A_TRACE( ( _T( "DIscDataTransmissionBase::NotifyConnectionStatus(0x%x)" ), aStatus ) ); |
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133 |
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134 if ( iDevice ) |
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135 { |
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136 iDevice->NotifyConnectionStatus( aStatus ); |
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137 } |
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138 |
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139 A_TRACE( ( _T( "DIscDataTransmissionBase::NotifyConnectionStatus - return void" ) ) ); |
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140 } |
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141 |
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142 |
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143 // ----------------------------------------------------------------------------- |
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144 // DIscDataTransmissionBase::ReserveMemoryBlock |
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145 // Reserve memory block |
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146 // ( other items were commented in a header ). |
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147 // ----------------------------------------------------------------------------- |
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148 // |
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149 EXPORT_C void DIscDataTransmissionBase::ReserveMemoryBlock( |
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150 TDes8*& aPtr, |
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151 TUint16 aSize ) |
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152 { |
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153 E_TRACE( ( _T( "IDTB:Res(0x%x)" ), aSize ) ); |
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154 |
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155 iIscBufferAllocator->ReserveMemoryBlock( aPtr, aSize ); |
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156 } |
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157 |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // DIscDataTransmissionBase::ReleaseMemoryBlock |
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161 // Release the reserved memory block |
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162 // ( other items were commented in a header ). |
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163 // ----------------------------------------------------------------------------- |
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164 // |
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165 EXPORT_C void DIscDataTransmissionBase::ReleaseMemoryBlock( |
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166 TDes8* aPtr ) |
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167 { |
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168 |
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169 E_TRACE( ( _T( "IDTB:Rel (0x%x)" ), aPtr ) ); |
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170 iIscBufferAllocator->ReleaseMemoryBlock( aPtr ); |
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171 |
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172 } |
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173 |
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174 |
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175 // ----------------------------------------------------------------------------- |
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176 // DIscDataTransmissionBase::Connect |
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177 // Connects ISC Driver to ISC Data Transmission Driver |
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178 // ( other items were commented in a header ). |
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179 // ----------------------------------------------------------------------------- |
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180 // |
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181 EXPORT_C void DIscDataTransmissionBase::Connect( |
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182 DIscDevice* aDevice ) |
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183 { |
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184 A_TRACE( ( _T( "DIscDataTransmissionBase::Connect(0x%x)" ), aDevice ) ); |
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185 ASSERT_RESET_ALWAYS( aDevice, "ISCDataTransmissionBase", EIscNullIscDriverPointer ); |
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186 iDevice = aDevice; |
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187 A_TRACE( ( _T( "DIscDataTransmissionBase::Connect - return void" ) ) ); |
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188 } |
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189 |
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190 |
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191 // ----------------------------------------------------------------------------- |
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192 // DIscDataTransmissionBase::Install |
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193 // Implementation of pure-virtual Install from DLogicalDevice |
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194 // ( other items were commented in a header ). |
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195 // ----------------------------------------------------------------------------- |
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196 // |
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197 EXPORT_C TInt DIscDataTransmissionBase::Install() |
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198 { |
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199 A_TRACE( ( _T( "DIscDataTransmissionBase::Install()" ) ) ); |
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200 SetName( &KIscDataTransmissionDriverName ); |
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201 |
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202 // call second phase install ( located in the driver realizing this API ) |
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203 TInt r = Install2ndPhase(); |
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204 |
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205 A_TRACE( ( _T( "DIscDataTransmissionBase::Install - return 0x%x" ), r ) ); |
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206 return r; |
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207 } |
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208 |
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209 #if defined( __WINSCW__ ) |
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210 DECLARE_STANDARD_LDD() |
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211 { |
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212 return NULL; |
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213 } |
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214 #endif |
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215 |
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216 // End of File |
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