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1 /* |
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2 * Copyright (c) 2009 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 the License "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: |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 #include "cusbpnisasender.h" |
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20 #include "cusbpnpacket.h" |
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21 #include "musbpnbufferlistener.h" |
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22 #include "usbpndefinitions.h" |
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23 #include "usbpntrace.h" |
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24 |
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25 #include "osttracedefinitions.h" |
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26 #ifdef OST_TRACE_COMPILER_IN_USE |
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27 #include "cusbpnisasenderTraces.h" |
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28 #endif |
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29 |
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30 #include <iscapi.h> // For RIscApi |
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31 |
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32 // EXTERNAL DATA STRUCTURES |
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33 // EXTERNAL FUNCTION PROTOTYPES |
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34 // CONSTANTS |
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35 // MACROS |
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36 // LOCAL CONSTANTS AND MACROS |
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37 // MODULE DATA STRUCTURES |
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38 // LOCAL FUNCTION PROTOTYPES |
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39 // FORWARD DECLARATIONS |
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40 |
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41 // ============================= LOCAL FUNCTIONS =============================== |
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42 // ============================ MEMBER FUNCTIONS =============================== |
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43 |
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44 // ----------------------------------------------------------------------------- |
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45 // CUsbPnIsaSender::CUsbPnIsaSender |
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46 // C++ default constructor can NOT contain any code, that |
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47 // might leave. |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 CUsbPnIsaSender::CUsbPnIsaSender( MUsbPnBufferListener& aBufferListener, RIscApi& aIscApi ) |
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51 :CActive( CActive::EPriorityStandard ) |
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52 ,iBufferListener( aBufferListener ) |
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53 ,iIscApi( aIscApi ) |
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54 ,iPacketCount( 0 ) |
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55 { |
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56 OstTraceExt2( TRACE_NORMAL, CUSBPNISASENDER_CUSBPNISASENDER_ENTRY, "CUsbPnIsaSender::CUsbPnIsaSender;aBufferListener=%x;aIscApi=%x", ( TUint )&( aBufferListener ), ( TUint )&( aIscApi ) ); |
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57 C_TRACE( ( _T( "CUsbPnIsaSender::CUsbPnIsaSender( aBufferListener:0x%x, aIscApi:0x%x )" ), &aBufferListener, &aIscApi ) ); |
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58 |
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59 CActiveScheduler::Add(this); |
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60 |
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61 OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_CUSBPNISASENDER_EXIT, "CUsbPnIsaSender::CUsbPnIsaSender - return" ); |
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62 C_TRACE( ( _T( "CUsbPnIsaSender::CUsbPnIsaSender() - return" ) ) ); |
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63 } |
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64 |
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65 // ----------------------------------------------------------------------------- |
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66 // CUsbPnIsaSender::ConstructL |
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67 // Symbian 2nd phase constructor can leave. |
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68 // ----------------------------------------------------------------------------- |
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69 // |
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70 void CUsbPnIsaSender::ConstructL() |
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71 { |
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72 OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_CONSTRUCTL_ENTRY, "CUsbPnIsaSender::ConstructL" ); |
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73 C_TRACE( ( _T( "CUsbPnIsaSender::ConstructL()" ) ) ); |
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74 |
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75 // Create circular buffer objects |
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76 for(TUint i = 1; i < (KPnIsaPacketCount + 1); i++) |
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77 { |
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78 AddPacketBufferL(i); |
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79 } |
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80 iCurrentPacket = iPacket; |
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81 |
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82 OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_CONSTRUCTL_EXIT, "CUsbPnIsaSender::ConstructL - return void" ); |
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83 C_TRACE( ( _T( "CUsbPnIsaSender::ConstructL() - return void" ) ) ); |
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84 } |
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85 |
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86 // ----------------------------------------------------------------------------- |
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87 // CUsbPnIsaSender::NewL |
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88 // Two-phased constructor. |
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89 // ----------------------------------------------------------------------------- |
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90 // |
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91 CUsbPnIsaSender* CUsbPnIsaSender::NewL( MUsbPnBufferListener& aBufferListener, RIscApi& aIscApi ) |
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92 { |
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93 OstTraceExt2( TRACE_NORMAL, CUSBPNISASENDER_NEWL_ENTRY, "CUsbPnIsaSender::NewL;aBufferListener=%x;aIscApi=%x", ( TUint )&( aBufferListener ), ( TUint )&( aIscApi ) ); |
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94 C_TRACE( ( _T( "CUsbPnIsaSender::CUsbPnIsaSender( aBufferListener 0x%x, aIscApi:0x%x )" ), &aBufferListener, &aIscApi ) ); |
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95 |
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96 CUsbPnIsaSender* self = new( ELeave ) CUsbPnIsaSender( aBufferListener, aIscApi ); |
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97 |
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98 CleanupStack::PushL( self ); |
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99 self->ConstructL(); |
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100 CleanupStack::Pop( self ); |
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101 |
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102 OstTrace1( TRACE_NORMAL, CUSBPNISASENDER_NEWL_EXIT, "CUsbPnIsaSender::NewL - return;self=%x", self ); |
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103 C_TRACE( ( _T( "CUsbPnIsaSender::CUsbPnIsaSender() - return 0x%x" ), self ) ); |
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104 return self; |
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105 } |
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106 |
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107 |
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108 // Destructor |
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109 CUsbPnIsaSender::~CUsbPnIsaSender() |
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110 { |
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111 OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_CUSBPNISASENDER_DESTRUCTOR_ENTRY, "CUsbPnIsaSender::~CUsbPnIsaSender" ); |
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112 C_TRACE( ( _T( "CUsbPnIsaSender::~CUsbPnIsaSender()" ) ) ); |
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113 |
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114 Cancel(); |
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115 |
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116 // Delete circular buffer objects |
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117 CUsbPnPacket* packet; |
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118 while(iPacketCount > 0) |
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119 { |
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120 iPacketCount--; |
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121 packet = &iPacket->NextPacket(); |
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122 delete iPacket; |
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123 iPacket = packet; |
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124 } |
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125 iCurrentPacket = NULL; |
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126 iPacket = NULL; |
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127 |
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128 OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_CUSBPNISASENDER_DESTRUCTOR_EXIT, "CUsbPnIsaSender::~CUsbPnIsaSender - return" ); |
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129 C_TRACE( ( _T( "CUsbPnIsaSender::~CUsbPnIsaSender() - return" ) ) ); |
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130 } |
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131 |
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132 // ----------------------------------------------------------------------------- |
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133 // CUsbPnIsaSender::AddPacketBuffer |
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134 // ----------------------------------------------------------------------------- |
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135 void CUsbPnIsaSender::AddPacketBufferL( TInt aIndex ) |
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136 { |
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137 OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_ADDPACKETBUFFERL_ENTRY, "CUsbPnIsaSender::AddPacketBufferL" ); |
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138 C_TRACE((_T("CUsbPnIsaSender::AddPacketBuffer()"))); |
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139 |
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140 iPacketCount++; |
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141 iPacket = CUsbPnPacket::NewL( iPacket, aIndex ); |
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142 |
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143 OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_ADDPACKETBUFFERL_EXIT, "CUsbPnIsaSender::AddPacketBufferL - return void" ); |
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144 C_TRACE((_T("CUsbPnIsaSender::AddPacketBuffer - return void"))); |
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145 } |
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146 |
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147 // ----------------------------------------------------------------------------- |
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148 // CUsbPnIsaSender::DoCancel |
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149 // ?implementation_description |
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150 // (other items were commented in a header). |
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151 // ----------------------------------------------------------------------------- |
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152 // |
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153 void CUsbPnIsaSender::DoCancel( ) |
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154 { |
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155 OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_DOCANCEL_ENTRY, "CUsbPnIsaSender::DoCancel" ); |
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156 C_TRACE( ( _T( "CUsbPnIsaSender::DoCancel()" ) ) ); |
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157 |
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158 iIscApi.SendCancel(); |
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159 |
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160 OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_DOCANCEL_EXIT, "CUsbPnIsaSender::DoCancel - return void" ); |
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161 C_TRACE( ( _T( "CUsbPnIsaSender::DoCancel() - return void" ) ) ); |
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162 } |
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163 |
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164 // ----------------------------------------------------------------------------- |
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165 // CUsbPnIsaSender::RunL |
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166 // ?implementation_description |
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167 // (other items were commented in a header). |
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168 // ----------------------------------------------------------------------------- |
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169 // |
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170 void CUsbPnIsaSender::RunL( ) |
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171 { |
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172 OstTrace1( TRACE_API, CUSBPNISASENDER_RUNL_ENTRY, "CUsbPnIsaSender::RunL;iStatus=%d", iStatus.Int() ); |
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173 A_TRACE( ( _T( "CUsbPnIsaSender::RunL() iStatus:%d" ), iStatus.Int() ) ); |
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174 |
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175 User::LeaveIfError( iStatus.Int() ); |
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176 |
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177 iCurrentPacket->ReleaseL(); |
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178 |
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179 iBufferListener.Receive( ETrue/*dummy*/ ); |
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180 |
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181 iCurrentPacket = &iCurrentPacket->NextPacket(); |
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182 OstTraceExt2( TRACE_DETAILED, CUSBPNISASENDER_RUNL, "CUsbPnIsaSender::RunL;tail:%d,head:%d", iCurrentPacket->PacketNumber(), iPacket->PacketNumber() ); |
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183 E_TRACE( ( _T( "CUsbPnIsaSender::RunL() - tail:%d,head:%d " ), iCurrentPacket->PacketNumber(), iPacket->PacketNumber())); |
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184 |
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185 if(iCurrentPacket != iPacket) |
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186 { |
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187 // Continue write |
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188 OstTrace0( TRACE_DETAILED, CUSBPNISASENDER_RUNL_DUP1, "CUsbPnIsaSender::RunL - Write next in queue." ); |
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189 E_TRACE( ( _T( "CUsbPnIsaSender::RunL() - Write next in queue." ))); |
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190 TryToSendPacket( iCurrentPacket->NextPacket() ); |
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191 } |
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192 |
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193 OstTrace0( TRACE_API, CUSBPNISASENDER_RUNL_EXIT, "CUsbPnIsaSender::RunL - return void" ); |
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194 A_TRACE( ( _T( "CUsbPnIsaSender::RunL() - return void" ) ) ); |
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195 } |
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196 |
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197 // ----------------------------------------------------------------------------- |
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198 // CUsbPnIsaSender::RunError |
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199 // ?implementation_description |
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200 // (other items were commented in a header). |
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201 // ----------------------------------------------------------------------------- |
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202 // |
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203 TInt CUsbPnIsaSender::RunError( TInt aError ) |
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204 { |
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205 OstTrace1( TRACE_API, CUSBPNISASENDER_RUNERROR_ENTRY, "CUsbPnIsaSender::RunError;aError=%d", aError ); |
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206 A_TRACE( ( _T( "CUsbPnIsaSender::RunError( aError:%d )" ), aError ) ); |
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207 |
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208 switch( aError ) |
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209 { |
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210 case KErrNotReady: |
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211 case KErrBadDescriptor: |
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212 case KErrUnderflow: |
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213 { |
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214 TRACE_ASSERT_ALWAYS; |
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215 CActiveScheduler::Stop(); |
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216 aError = KErrNone; |
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217 break; |
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218 } |
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219 default: |
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220 { |
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221 TRACE_ASSERT_ALWAYS; |
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222 User::Panic( KUsbPnPanicCat, aError ); |
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223 break; |
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224 } |
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225 } |
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226 |
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227 OstTrace1( TRACE_NORMAL, CUSBPNISASENDER_RUNERROR_EXIT, "CUsbPnIsaSender::RunError - return;aError=%d", aError ); |
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228 C_TRACE( ( _T( "CUsbPnIsaSender::RunError() return - aError:%d )" ), aError ) ); |
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229 return aError; |
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230 } |
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231 // ----------------------------------------------------------------------------- |
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232 // CUsbPnIsaSender::Packet |
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233 // ?implementation_description |
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234 // (other items were commented in a header). |
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235 // ----------------------------------------------------------------------------- |
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236 // |
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237 CUsbPnPacket& CUsbPnIsaSender::PacketL() |
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238 { |
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239 OstTrace0( TRACE_NORMAL, CUSBPNISASENDER_PACKETL_ENTRY, "CUsbPnIsaSender::PacketL" ); |
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240 C_TRACE( ( _T( "CUsbPnIsaSender::PacketL()" ) ) ); |
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241 |
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242 CUsbPnPacket& packet( iPacket->NextPacket() ); |
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243 TBool err = packet.PacketInUse(); |
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244 if (EFalse != err) |
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245 { |
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246 User::Leave( err ); |
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247 } |
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248 |
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249 OstTrace1( TRACE_NORMAL, CUSBPNISASENDER_PACKETL_EXIT, "CUsbPnIsaSender::PacketL - return;packet=%d", packet.PacketNumber() ); |
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250 C_TRACE((_T("CUsbPnIsaSender::PacketL() - return packet:%d"), packet.PacketNumber())); |
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251 |
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252 return packet; |
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253 } |
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254 |
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255 // ----------------------------------------------------------------------------- |
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256 // CUsbPnIsaSender::Send |
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257 // ?implementation_description |
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258 // (other items were commented in a header). |
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259 // ----------------------------------------------------------------------------- |
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260 // |
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261 void CUsbPnIsaSender::Send( CUsbPnPacket& aPacket ) |
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262 { |
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263 OstTrace1( TRACE_API, CUSBPNISASENDER_SEND_ENTRY, "CUsbPnIsaSender::Send;aPacket=%x", ( TUint )&( aPacket ) ); |
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264 A_TRACE( ( _T( "CUsbPnIsaSender::Send( aPacket:0x%x)" ), &aPacket ) ); |
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265 |
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266 CUsbPnPacket& packet( iPacket->NextPacket() ); |
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267 if( &packet == &aPacket ) |
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268 { |
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269 iPacket = &packet; |
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270 OstTrace1( TRACE_DETAILED, CUSBPNISASENDER_SEND, "CUsbPnIsaSender::Send;packet number:%d", iPacket->PacketNumber() ); |
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271 E_TRACE( ( _T( "CUsbPnIsaSender::Send() - packet number:%d" ), iPacket->PacketNumber() ) ); |
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272 |
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273 TryToSendPacket( *iPacket ); |
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274 } |
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275 else |
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276 { |
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277 TRACE_ASSERT_ALWAYS; |
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278 User::Panic(_L("USBPNSERVER"), KErrTotalLossOfPrecision); |
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279 } |
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280 |
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281 OstTrace0( TRACE_API, CUSBPNISASENDER_SEND_EXIT, "CUsbPnIsaSender::Send - return void" ); |
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282 A_TRACE( ( _T( "CUsbPnIsaSender::Send() - return void" ) ) ); |
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283 } |
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284 |
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285 |
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286 // ----------------------------------------------------------------------------- |
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287 // CUsbPnIsaSender::TryToSendPacket |
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288 // ?implementation_description |
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289 // (other items were commented in a header). |
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290 // ----------------------------------------------------------------------------- |
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291 // |
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292 void CUsbPnIsaSender::TryToSendPacket( CUsbPnPacket& aPacket ) |
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293 { |
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294 OstTrace1( TRACE_API, CUSBPNISASENDER_TRYTOSENDPACKET_ENTRY, "CUsbPnIsaSender::TryToSendPacket;aPacket=%x", ( TUint )&( aPacket ) ); |
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295 A_TRACE( ( _T( "CUsbPnIsaSender::TryToSendPacket( aPacket:0x%x )" ), &aPacket ) ); |
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296 |
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297 if(!IsActive()) |
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298 { |
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299 if( &aPacket == &iCurrentPacket->NextPacket() || &aPacket == iCurrentPacket ) |
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300 { |
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301 OstTrace0( TRACE_DETAILED, CUSBPNISASENDER_TRYTOSENDPACKET, "CUsbPnIsaSender::TryToSendPacket - Send to ISA" ); |
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302 E_TRACE( ( _T( "CUsbPnIsaSender::TryToSendPacket() - Send to ISA"))); |
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303 |
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304 #ifdef EXTENDED_TRACE_FLAG |
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305 TInt i(0); |
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306 HBufC8& data(aPacket.Buffer()); |
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307 while(i < data.Length() ) |
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308 { |
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309 OstTraceExt2( TRACE_DETAILED, CUSBPNISASENDER_TRYTOSENDPACKET_DUP1, "CUsbPnIsaSender::Send([%d] = %x )", i, data[i] ); |
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310 E_TRACE( ( _T( "CUsbPnIsaSender::Send([%d] = %x )" ), i, data[i] ) ); |
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311 i++; |
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312 } |
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313 #endif |
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314 |
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315 iIscApi.Send( iStatus, aPacket.Buffer() ); |
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316 SetActive(); |
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317 } |
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318 else |
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319 { |
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320 TRACE_ASSERT_ALWAYS; |
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321 User::Panic(_L("USBPNSERVER"), KErrTotalLossOfPrecision); |
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322 } |
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323 } |
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324 else |
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325 { |
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326 OstTrace0( TRACE_DETAILED, CUSBPNISASENDER_TRYTOSENDPACKET_DUP2, "CUsbPnIsaSender::TryToSendPacket - Already sending" ); |
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327 E_TRACE( ( _T( "CUsbPnIsaSender::TryToSendPacket() - Already sending"))); |
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328 } |
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329 |
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330 OstTrace0( TRACE_API, CUSBPNISASENDER_TRYTOSENDPACKET_EXIT, "CUsbPnIsaSender::TryToSendPacket - return void" ); |
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331 A_TRACE( ( _T( "CUsbPnIsaSender::TryToSendPacket() - return void" ) ) ); |
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332 } |
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333 |
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334 // ========================== OTHER EXPORTED FUNCTIONS ========================= |
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335 |
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336 // End of File |