1 // ssyreferencechanneldataprovider.cpp |
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2 |
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3 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 // All rights reserved. |
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5 // This component and the accompanying materials are made available |
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6 // under the terms of "Eclipse Public License v1.0" |
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7 // which accompanies this distribution, and is available |
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8 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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9 // |
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10 // Initial Contributors: |
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11 // Nokia Corporation - initial contribution. |
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12 // |
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13 // Contributors: |
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14 // |
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15 // Description: |
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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 "ssyreferencechanneldataprovider.h" |
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21 #include "ssyreferencetrace.h" |
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22 #include "ssyreferencechannel.h" |
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23 #include "ssyreferencecontrol.h" |
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24 #include "ssyreferencecmdhandler.h" |
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25 #include <sensors/spi/ssycallback.h> |
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26 |
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27 // ======== MEMBER FUNCTIONS ======== |
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28 |
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29 // --------------------------------------------------------------------------- |
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30 // CSsyReferenceChannelDataProvider C++ constructor |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 CSsyReferenceChannelDataProvider::CSsyReferenceChannelDataProvider( CSsyReferenceChannel& aChannel ) : |
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34 iChannel( aChannel ) |
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35 { |
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36 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::CSsyReferenceChannelDataProvider()" ) ) ); |
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37 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::CSsyReferenceChannelDataProvider() - return" ) ) ); |
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38 } |
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39 |
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40 |
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41 // --------------------------------------------------------------------------- |
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42 // Symbian 2nd phase constructor |
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43 // --------------------------------------------------------------------------- |
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44 // |
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45 void CSsyReferenceChannelDataProvider::ConstructL() |
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46 { |
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47 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::ConstructL()" ) ) ); |
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48 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::ConstructL() - return" ) ) ); |
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49 } |
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50 |
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51 |
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52 // --------------------------------------------------------------------------- |
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53 // CSsyReferenceChannelDataProvider::NewL |
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54 // --------------------------------------------------------------------------- |
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55 // |
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56 CSsyReferenceChannelDataProvider* CSsyReferenceChannelDataProvider::NewL( CSsyReferenceChannel& aChannel ) |
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57 { |
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58 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::NewL()" ) ) ); |
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59 CSsyReferenceChannelDataProvider* self = new ( ELeave ) CSsyReferenceChannelDataProvider( aChannel ); |
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60 CleanupStack::PushL( self ); |
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61 self->ConstructL(); |
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62 CleanupStack::Pop( self ); |
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63 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::NewL() - return" ) ) ); |
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64 return self; |
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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 // --------------------------------------------------------------------------- |
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70 // |
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71 CSsyReferenceChannelDataProvider::~CSsyReferenceChannelDataProvider() |
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72 { |
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73 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::~CSsyReferenceChannelDataProvider()" ) ) ); |
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74 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::~CSsyReferenceChannelDataProvider() - return" ) ) ); |
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75 } |
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76 |
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77 // --------------------------------------------------------------------------- |
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78 // CSsyReferenceChannelDataProvider::StartChannelDataL |
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79 // --------------------------------------------------------------------------- |
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80 // |
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81 void CSsyReferenceChannelDataProvider::StartChannelDataL( |
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82 const TSensrvChannelId aChannelId, |
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83 TUint8* aBuffer, |
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84 TInt aCount ) |
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85 { |
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86 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::StartChannelDataL()" ) ) ); |
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87 |
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88 if ( iChannel.ChannelId() != aChannelId ) |
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89 { |
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90 User::Leave( KErrNotFound ); |
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91 } |
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92 |
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93 // Store buffer pointer |
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94 iDataBuffer = aBuffer; |
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95 iMaxCount = aCount; |
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96 iDataCount = 0; |
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97 |
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98 // Udpate channel state |
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99 iChannel.UpdateState( CSsyReferenceChannel::ESsyReferenceChannelReceiving ); |
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100 |
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101 // Start receiving |
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102 iChannel.CommandHandler().ProcessCommand( TSsyReferenceMsg( aChannelId, ESsyReferenceStartChannelData ) ); |
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103 |
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104 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::StartChannelDataL() - return" ) ) ); |
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105 } |
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106 |
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107 // --------------------------------------------------------------------------- |
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108 // CSsyReferenceChannelDataProvider::StopChannelDataL |
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109 // --------------------------------------------------------------------------- |
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110 // |
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111 void CSsyReferenceChannelDataProvider::StopChannelDataL( const TSensrvChannelId aChannelId ) |
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112 { |
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113 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::StopChannelDataL()" ) ) ); |
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114 |
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115 // Leave if wrong channel |
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116 if ( iChannel.ChannelId() != aChannelId ) |
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117 { |
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118 User::Leave( KErrNotFound ); |
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119 } |
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120 |
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121 // Udpate channel state |
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122 iChannel.UpdateState( CSsyReferenceChannel::ESsyReferenceChannelOpen ); |
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123 |
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124 // Stop receiving |
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125 iChannel.CommandHandler().ProcessCommand( TSsyReferenceMsg( aChannelId, ESsyReferenceStopChannelData ) ); |
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126 |
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127 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::StopChannelDataL() - return" ) ) ); |
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128 } |
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129 |
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130 // --------------------------------------------------------------------------- |
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131 // CSsyReferenceChannelDataProvider::ForceBufferFilledL |
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132 // --------------------------------------------------------------------------- |
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133 // |
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134 void CSsyReferenceChannelDataProvider::ForceBufferFilledL( const TSensrvChannelId aChannelId ) |
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135 { |
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136 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::ForceBufferFilledL()" ) ) ); |
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137 |
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138 // Leave if wrong channel |
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139 if ( iChannel.ChannelId() != aChannelId ) |
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140 { |
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141 User::Leave( KErrNotFound ); |
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142 } |
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143 |
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144 // Send current buffer. Channel keeps receiveing |
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145 SendBufferFilled(); |
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146 |
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147 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::ForceBufferFilledL() - return" ) ) ); |
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148 } |
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149 |
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150 // ----------------------------------------------------------------------------- |
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151 // CSensrvTestCases::GetChannelDataProviderInterfaceL |
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152 // ----------------------------------------------------------------------------- |
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153 // |
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154 void CSsyReferenceChannelDataProvider::GetChannelDataProviderInterfaceL( TUid /*aInterfaceUid*/, |
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155 TAny*& aInterface ) |
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156 { |
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157 aInterface = NULL; |
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158 } |
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159 |
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160 // --------------------------------------------------------------------------- |
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161 // CSsyReferenceChannelDataProvider::ChannelDataReceived |
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162 // --------------------------------------------------------------------------- |
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163 // |
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164 void CSsyReferenceChannelDataProvider::ChannelDataReceivedL( TSsyReferenceMsg* aMessage ) |
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165 { |
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166 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::ChannelDataReceived()" ) ) ); |
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167 |
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168 // Get base class from message |
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169 TSsyRefChannelDataBase* dataItemBase = aMessage->DataItem(); |
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170 |
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171 if ( !dataItemBase ) |
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172 { |
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173 User::Leave( KErrArgument ); |
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174 } |
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175 |
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176 // get size of the object |
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177 TInt size( dataItemBase->Size() ); |
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178 |
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179 // First, resolve data item type |
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180 switch ( dataItemBase->ChannelDataType() ) |
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181 { |
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182 case TSsyRefChannelDataBase::ESsyRefChannelTypeTapping: |
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183 { |
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184 // Cast data item base to tapping data item |
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185 TSsyRefChannelDataTapping* tappingData = static_cast<TSsyRefChannelDataTapping*>( dataItemBase ); |
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186 TSensrvTappingData senSrvTapping; |
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187 senSrvTapping.iTimeStamp = tappingData->Timestamp(); |
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188 senSrvTapping.iDirection = tappingData->Direction(); |
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189 |
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190 // Add mapped data item into buffer |
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191 AddDataToBuffer( reinterpret_cast<TUint8*>( &senSrvTapping ), size ); |
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192 break; |
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193 } |
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194 case TSsyRefChannelDataBase::ESsyRefChannelTypeAxis: |
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195 { |
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196 // Cast data item base to Axis data item |
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197 TSsyRefChannelDataAxis* axisData = static_cast<TSsyRefChannelDataAxis*>( dataItemBase ); |
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198 TSensrvAccelerometerAxisData senSrvAxis; |
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199 senSrvAxis.iTimeStamp = axisData->Timestamp(); |
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200 senSrvAxis.iAxisX = axisData->XAxis(); |
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201 senSrvAxis.iAxisY = axisData->YAxis(); |
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202 senSrvAxis.iAxisZ = axisData->ZAxis(); |
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203 |
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204 // Add data to buffer |
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205 AddDataToBuffer( reinterpret_cast<TUint8*>( &senSrvAxis ), size ); |
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206 break; |
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207 } |
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208 case TSsyRefChannelDataBase::ESsyRefChannelTypeProximity: |
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209 { |
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210 // Cast data item base to tapping data item |
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211 TSsyRefChannelDataProximity* proximityData = static_cast<TSsyRefChannelDataProximity*>( dataItemBase ); |
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212 TSensrvProximityData senSrvProximity; |
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213 senSrvProximity.iProximityState = ( TSensrvProximityData::TProximityState ) proximityData->ProximityState(); |
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214 |
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215 // Add mapped data item into buffer |
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216 AddDataToBuffer( reinterpret_cast<TUint8*>( &senSrvProximity ), size ); |
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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 // Unknown data item -> Leave |
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222 User::Leave( KErrUnknown ); |
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223 } |
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224 } |
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225 |
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226 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::ChannelDataReceived() - return" ) ) ); |
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227 } |
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228 |
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229 // --------------------------------------------------------------------------- |
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230 // CSsyReferenceChannelDataProvider::AddDataToBuffer |
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231 // --------------------------------------------------------------------------- |
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232 // |
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233 void CSsyReferenceChannelDataProvider::AddDataToBuffer( TUint8* aData, const TInt aSize ) |
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234 { |
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235 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::AddDataToBuffer()" ) ) ); |
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236 // Write data to buffer. If buffer is full, send notification to SensorServer |
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237 |
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238 // Write data bytes one by one to buffer pointer. The actual buffer is in Sensor Server |
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239 for ( TInt i = 0; i < aSize; i++ ) |
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240 { |
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241 *iDataBuffer++ = *aData++; |
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242 } |
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243 |
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244 // Increase number of items count |
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245 iDataCount++; |
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246 |
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247 // Check is maximum data count received |
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248 if ( iDataCount == iMaxCount ) |
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249 { |
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250 // Send BufferFilled notification to Sensor server |
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251 SendBufferFilled(); |
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252 } |
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253 |
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254 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::AddDataToBuffer() - return" ) ) ); |
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255 } |
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256 |
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257 // --------------------------------------------------------------------------- |
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258 // CSsyReferenceChannelDataProvider::SendBufferFilled |
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259 // --------------------------------------------------------------------------- |
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260 // |
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261 void CSsyReferenceChannelDataProvider::SendBufferFilled() |
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262 { |
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263 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::SendBufferFilled()" ) ) ); |
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264 // Send BufferFilled notification to Sensor server |
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265 iChannel.SsyControl().SsyCallback().BufferFilled( iChannel.ChannelId(), iDataCount, iDataBuffer, iMaxCount ); |
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266 iDataCount = 0; |
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267 COMPONENT_TRACE( ( _L( "SSY Reference Plugin - CSsyReferenceChannelDataProvider::SendBufferFilled() - return" ) ) ); |
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268 } |
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269 |
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