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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 "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: ECOM plugin for communication over serial port |
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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 FILES |
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20 #include <badesca.h> |
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21 #include <f32file.h> |
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22 |
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23 #include "HtiBtCommEcomPlugin.h" |
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24 #include "BtSerialClient.h" |
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25 #include <HtiCfg.h> |
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26 #include <HtiLogging.h> |
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27 |
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28 // CONSTANTS |
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29 _LIT( KHtiCfgPath, "\\" ); // root of drive |
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30 _LIT( KHtiBtCommCfg, "HTIBtComm.cfg" ); |
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31 _LIT8( KBtDeviceAddress, "BtDeviceAddress" ); |
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32 _LIT8( KBtDeviceName, "BtDeviceName" ); |
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33 |
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34 |
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35 const TInt KBtAddressHexStringLength = 12; // 6 bytes |
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36 const TUint KPortSeparatorChar = 30; // ASCII control char "record separator" |
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37 |
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38 // ---------------------------------------------------------------------------- |
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39 CHtiBtCommEcomPlugin* CHtiBtCommEcomPlugin::NewL() |
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40 { |
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41 HTI_LOG_FUNC_IN( "CHtiBtCommEcomPlugin::NewL" ); |
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42 CHtiBtCommEcomPlugin* plugin = new (ELeave) CHtiBtCommEcomPlugin(); |
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43 CleanupStack::PushL( plugin ); |
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44 plugin->ConstructL(); |
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45 CleanupStack::Pop( plugin ); |
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46 HTI_LOG_FUNC_OUT( "CHtiBtCommEcomPlugin::NewL" ); |
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47 return plugin; |
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48 } |
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49 |
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50 // ---------------------------------------------------------------------------- |
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51 CHtiBtCommEcomPlugin::~CHtiBtCommEcomPlugin() |
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52 { |
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53 HTI_LOG_FUNC_IN( "CHtiBtCommEcomPlugin::~CHtiBtCommEcomPlugin" ); |
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54 iBtCommInterface.CancelReceive(); |
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55 iBtCommInterface.CancelSend(); |
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56 iBtCommInterface.Close(); |
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57 delete iBtDeviceNameOrAddress; |
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58 delete iCfg; |
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59 HTI_LOG_FUNC_OUT( "CHtiBtCommEcomPlugin::~CHtiBtCommEcomPlugin" ); |
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60 } |
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61 |
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62 // ---------------------------------------------------------------------------- |
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63 CHtiBtCommEcomPlugin::CHtiBtCommEcomPlugin():iPort( -1 ) |
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64 { |
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65 } |
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66 |
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67 // ---------------------------------------------------------------------------- |
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68 void CHtiBtCommEcomPlugin::ConstructL() |
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69 { |
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70 TRAPD( err, LoadConfigL() ); |
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71 if ( err == KErrNone ) |
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72 { |
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73 ReadConfig(); |
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74 } |
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75 else |
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76 { |
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77 TBufC8<1> emptyBuf( KNullDesC8 ); |
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78 iBtDeviceNameOrAddress = emptyBuf.AllocL(); |
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79 iPort = KErrNotFound; |
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80 } |
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81 // May take long! |
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82 User::LeaveIfError( iBtCommInterface.Connect( |
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83 *iBtDeviceNameOrAddress, iPort ) ); |
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84 |
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85 // Get the connected service port number (channel) and store it if needed |
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86 TInt connectedPort = iBtCommInterface.GetPortNumber(); |
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87 HTI_LOG_FORMAT( "Connected port number = %d", connectedPort ); |
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88 if ( connectedPort != iPort && connectedPort >= 0 ) |
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89 { |
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90 TRAP( err, StorePortNumberL( connectedPort ) ); // ignore error |
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91 } |
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92 } |
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93 |
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94 // ---------------------------------------------------------------------------- |
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95 void CHtiBtCommEcomPlugin::Receive( TDes8& aRawdataBuf, |
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96 TRequestStatus& aStatus ) |
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97 { |
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98 iBtCommInterface.Receive( aRawdataBuf, aStatus ); |
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99 } |
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100 |
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101 // ---------------------------------------------------------------------------- |
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102 void CHtiBtCommEcomPlugin::Send( const TDesC8& aRawdataBuf, |
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103 TRequestStatus& aStatus ) |
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104 { |
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105 iBtCommInterface.Send( aRawdataBuf, aStatus ); |
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106 } |
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107 |
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108 // ---------------------------------------------------------------------------- |
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109 void CHtiBtCommEcomPlugin::CancelReceive() |
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110 { |
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111 iBtCommInterface.CancelReceive(); |
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112 } |
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113 |
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114 // ---------------------------------------------------------------------------- |
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115 void CHtiBtCommEcomPlugin::CancelSend() |
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116 { |
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117 iBtCommInterface.CancelSend(); |
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118 } |
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119 |
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120 // ---------------------------------------------------------------------------- |
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121 TInt CHtiBtCommEcomPlugin::GetSendBufferSize() |
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122 { |
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123 return iBtCommInterface.GetSendBufferSize(); |
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124 } |
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125 |
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126 // ---------------------------------------------------------------------------- |
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127 TInt CHtiBtCommEcomPlugin::GetReceiveBufferSize() |
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128 { |
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129 return iBtCommInterface.GetReceiveBufferSize(); |
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130 } |
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131 |
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132 // ---------------------------------------------------------------------------- |
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133 void CHtiBtCommEcomPlugin::LoadConfigL() |
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134 { |
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135 HTI_LOG_FUNC_IN( "CHtiBtCommEcomPlugin::LoadConfigL" ); |
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136 iCfg = CHtiCfg::NewL(); |
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137 iCfg->LoadCfgL( KHtiCfgPath, KHtiBtCommCfg ); |
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138 HTI_LOG_TEXT( "cfg file loaded" ); |
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139 HTI_LOG_FUNC_OUT( "CHtiBtCommEcomPlugin::LoadConfigL" ); |
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140 } |
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141 |
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142 // ---------------------------------------------------------------------------- |
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143 void CHtiBtCommEcomPlugin::ReadConfig() |
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144 { |
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145 HTI_LOG_FUNC_IN( "CHtiBtCommEcomPlugin::ReadConfig" ); |
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146 // First try to get address - if found and length is correct it is used |
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147 TRAPD( paramErr, iBtDeviceNameOrAddress = iCfg->GetParameterL( |
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148 KBtDeviceAddress ).AllocL() ); |
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149 |
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150 if ( paramErr == KErrNone ) |
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151 { |
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152 TInt port = ParsePortNumber(); |
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153 if ( port >= 0 ) iPort = port; |
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154 else iPort = KErrNotFound; |
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155 } |
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156 |
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157 if ( paramErr || |
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158 iBtDeviceNameOrAddress->Length() != KBtAddressHexStringLength ) |
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159 { |
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160 HTI_LOG_TEXT( "BT address not defined or not valid - getting name" ); |
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161 delete iBtDeviceNameOrAddress; |
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162 iBtDeviceNameOrAddress = NULL; |
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163 // Address was not found - try to get name. |
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164 TRAP( paramErr, iBtDeviceNameOrAddress = iCfg->GetParameterL( |
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165 KBtDeviceName ).AllocL() ); |
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166 if ( paramErr ) |
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167 { |
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168 HTI_LOG_TEXT( "BT name not defined either" ); |
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169 TBufC8<1> emptyBuf( KNullDesC8 ); |
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170 iBtDeviceNameOrAddress = emptyBuf.AllocL(); |
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171 iPort = KErrNotFound; |
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172 } |
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173 else |
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174 { |
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175 TInt port = ParsePortNumber(); |
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176 if ( port >= 0 ) iPort = port; |
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177 else iPort = KErrNotFound; |
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178 } |
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179 } |
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180 HTI_LOG_TEXT( "BT device name or address:" ); |
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181 HTI_LOG_DES( *iBtDeviceNameOrAddress ); |
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182 HTI_LOG_FORMAT( "Port number: %d", iPort ); |
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183 HTI_LOG_FUNC_OUT( "CHtiBtCommEcomPlugin::ReadConfig" ); |
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184 } |
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185 |
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186 // ---------------------------------------------------------------------------- |
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187 TInt CHtiBtCommEcomPlugin::ParsePortNumber() |
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188 { |
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189 HTI_LOG_FUNC_IN( "CHtiBtCommEcomPlugin::ParsePortNumber" ); |
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190 TInt port = KErrNotFound; |
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191 TInt separatorIndex = iBtDeviceNameOrAddress->LocateReverse( |
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192 TChar( KPortSeparatorChar ) ); |
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193 if ( separatorIndex != KErrNotFound ) |
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194 { |
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195 TPtrC8 value = iBtDeviceNameOrAddress->Right( |
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196 iBtDeviceNameOrAddress->Length() - ( separatorIndex + 1 ) ); |
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197 TLex8 lex( value ); |
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198 lex.Val( port ); |
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199 // Strip away the port number |
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200 iBtDeviceNameOrAddress->Des().SetLength( separatorIndex ); |
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201 } |
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202 HTI_LOG_FORMAT( "ParsePortNumber returning %d", port ); |
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203 HTI_LOG_FUNC_OUT( "CHtiBtCommEcomPlugin::ParsePortNumber" ); |
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204 return port; |
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205 } |
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206 |
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207 // ---------------------------------------------------------------------------- |
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208 void CHtiBtCommEcomPlugin::StorePortNumberL( TInt aPortNumber ) |
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209 { |
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210 HTI_LOG_FUNC_IN( "CHtiBtCommEcomPlugin::StorePortNumberL" ); |
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211 if ( !iCfg ) |
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212 { |
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213 iCfg = CHtiCfg::NewL(); |
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214 } |
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215 iCfg->LoadCfgL( KHtiCfgPath, KHtiBtCommCfg ); |
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216 |
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217 TBool changesMade = EFalse; |
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218 |
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219 // Add or replace port number to address parameter if it exists |
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220 HBufC8* value = NULL; |
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221 TRAPD( err, value = iCfg->GetParameterL( KBtDeviceAddress ).AllocL() ); |
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222 if ( !err ) |
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223 { |
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224 HTI_LOG_FORMAT( "Found address param (length = %d)", value->Length() ); |
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225 CleanupStack::PushL( value ); |
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226 TInt separatorIndex = value->Locate( TChar( KPortSeparatorChar ) ); |
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227 if ( separatorIndex != KErrNotFound ) |
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228 { |
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229 HTI_LOG_FORMAT( "Separator char found from index %d", separatorIndex ); |
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230 value->Des().SetLength( separatorIndex ); |
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231 } |
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232 value = value->ReAllocL( value->Length() + 5 ); |
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233 // The old value has been deleted by ReAllocL and new allocated, |
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234 // so update cleanup stack. |
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235 CleanupStack::Pop(); |
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236 CleanupStack::PushL( value ); |
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237 TPtr8 ptr = value->Des(); |
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238 ptr.Append( TChar( KPortSeparatorChar ) ); |
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239 ptr.AppendNum( aPortNumber ); |
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240 TRAP( err, iCfg->SetParameterL( KBtDeviceAddress, *value ) ); |
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241 if ( !err ) changesMade = ETrue; |
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242 CleanupStack::PopAndDestroy(); // value |
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243 } |
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244 |
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245 // Add or replace port number to name parameter if it exists |
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246 TRAP( err, value = iCfg->GetParameterL( KBtDeviceName ).AllocL() ); |
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247 if ( !err ) |
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248 { |
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249 HTI_LOG_FORMAT( "Found name param (length = %d)", value->Length() ); |
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250 CleanupStack::PushL( value ); |
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251 TInt separatorIndex = value->Locate( TChar( KPortSeparatorChar ) ); |
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252 if ( separatorIndex != KErrNotFound ) |
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253 { |
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254 HTI_LOG_FORMAT( "Separator char found from index %d", separatorIndex ); |
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255 value->Des().SetLength( separatorIndex ); |
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256 } |
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257 value = value->ReAllocL( value->Length() + 5 ); |
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258 // The old value has been deleted by ReAllocL and new allocated, |
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259 // so update cleanup stack. |
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260 CleanupStack::Pop(); |
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261 CleanupStack::PushL( value ); |
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262 TPtr8 ptr = value->Des(); |
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263 ptr.Append( TChar( KPortSeparatorChar ) ); |
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264 ptr.AppendNum( aPortNumber ); |
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265 TRAP( err, iCfg->SetParameterL( KBtDeviceName, *value ) ); |
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266 if ( !err ) changesMade = ETrue; |
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267 CleanupStack::PopAndDestroy(); // value |
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268 } |
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269 |
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270 if ( changesMade ) |
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271 { |
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272 iCfg->SaveCfgL( KHtiCfgPath, KHtiBtCommCfg ); |
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273 } |
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274 HTI_LOG_FUNC_OUT( "CHtiBtCommEcomPlugin::StorePortNumberL" ); |
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275 } |
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276 |
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277 // End of file |