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1 /* |
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2 * Copyright (c) 2004-2009 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: |
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15 * USB Mass Storage Sample Application |
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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 @file |
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21 @publishedPartner |
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22 */ |
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23 |
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24 #include "usbmsapp.h" |
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25 |
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26 #include <e32std.h> |
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27 #include <e32svr.h> |
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28 #include <e32cons.h> |
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29 #include <f32file.h> |
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30 #include <usbman.h> |
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31 |
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32 #include <d32usbc.h> |
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33 |
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34 #include <usbmsshared.h> |
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35 |
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36 ////////////////////////////////////////////////////////////////////////////// |
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37 |
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38 _LIT(KTxtApp,"USBMSEXAMPLEAPP"); |
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39 _LIT(KMsFsy, "MSFS.FSY"); |
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40 _LIT(KMsFs, "MassStorageFileSystem"); |
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41 _LIT(KOk,"OK"); |
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42 _LIT(KError,"Error"); |
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43 _LIT(KBytesTransferredFmt, "%c:%d/%d "); |
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44 _LIT(KErrFmt, "Property not found (%d)\r"); |
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45 _LIT8(KDefPwd,"123"); |
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46 |
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47 //Mass Storage Device States xRef cedar/generic/base/f32/smassstorage/inc/usbmsshared.h |
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48 _LIT(KUsbMsDriveStateDisconnected, "Disconnected"); |
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49 _LIT(KUsbMsDriveStateConnecting, "Connecting"); |
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50 _LIT(KUsbMsDriveStateConnected, "Connected"); |
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51 _LIT(KUsbMsDriveStateDisconnecting, "Disconnecting"); |
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52 _LIT(KUsbMsDriveStateActive, "Active"); |
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53 _LIT(KUsbMsDriveStateLocked, "Locked"); |
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54 _LIT(KUsbMsDriveStateMediaNotPresent, "Media Not Present"); |
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55 _LIT(KUsbMsDriveStateRemoved, "Removed"); |
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56 _LIT(KUsbMsDriveStateError, "Error"); |
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57 _LIT(KUsbMsDriveStateUnkown, "Unkown"); |
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58 |
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59 //Usb Device States |
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60 _LIT(KEUsbDeviceStateUndefined,"Undefined"); |
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61 _LIT(KEUsbDeviceStateDefault,"Default"); |
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62 _LIT(KEUsbDeviceStateAttached,"Attached"); |
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63 _LIT(KEUsbDeviceStatePowered,"Powered"); |
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64 _LIT(KEUsbDeviceStateConfigured,"Configured"); |
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65 _LIT(KEUsbDeviceStateAddress,"Address"); |
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66 _LIT(KEUsbDeviceStateSuspended ,"Suspended"); |
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67 |
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68 ////////////////////////////////////////////////////////////////////////////// |
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69 |
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70 /** |
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71 Console shared by main routine and active objects. |
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72 */ |
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73 LOCAL_D CConsoleBase* console = NULL; |
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74 |
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75 /** |
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76 File system resource shared by main routine and active objects. |
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77 */ |
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78 LOCAL_D RFs fs; |
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79 |
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80 /** |
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81 Currently selected drive, index into PropertyHandlers' objects. |
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82 */ |
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83 LOCAL_D TInt selectedDriveIndex = 0; |
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84 |
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85 /** |
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86 Command line text buffer, sufficiently large so that it will |
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87 hold any reasonable input. |
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88 */ |
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89 LOCAL_D TBuf<0x40> mountList; |
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90 |
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91 static TFixedArray<TBool, KMaxDrives> msfsMountedList; ///< 'true' entry corresponds to the drive with mounted MSFS.FSY |
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92 static TFixedArray<CFileSystemDescriptor*, KMaxDrives> unmountedFsList; ///< every non-NULL entry corresponds to the unmounted original FS for the drive |
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93 |
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94 /** |
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95 */ |
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96 LOCAL_D TMediaPassword password(KDefPwd); |
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97 |
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98 ////////////////////////////////////////////////////////////////////////////// |
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99 |
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100 /** |
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101 Move cursor to row 'row', column 0. |
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102 Erase 'count' rows starting with 'row'. |
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103 */ |
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104 LOCAL_C void Clear(int row, int count=1) |
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105 { |
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106 _LIT(KBlank," "); |
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107 for(TInt i=0; i<count; i++) |
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108 { |
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109 console->SetPos(0,row+i); |
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110 console->Printf(KBlank); |
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111 } |
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112 console->SetPos(0,row); |
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113 } |
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114 |
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115 /** |
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116 Display the user's drive selection. |
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117 */ |
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118 LOCAL_C void ShowDriveSelection() |
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119 { |
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120 Clear(15); |
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121 if(PropertyHandlers::allDrivesStatus.Length()/2 > selectedDriveIndex) |
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122 { |
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123 console->Printf(_L("Selected Drive: %c"), |
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124 'A' + PropertyHandlers::allDrivesStatus[selectedDriveIndex*2]); |
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125 } |
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126 else |
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127 { |
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128 console->Printf(_L("Selected Drive: (none)")); |
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129 } |
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130 } |
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131 |
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132 //----------------------------------------------------------------------------- |
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133 /** |
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134 Tries to restore the original FS on the drive using the FS descriptor provided |
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135 @return standard error code. |
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136 */ |
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137 LOCAL_C TInt DoRestoreFS(RFs& aFs, TInt aDrive, CFileSystemDescriptor* apFsDesc) |
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138 { |
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139 TInt nRes; |
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140 RDebug::Print(_L("# DoRestoreFS drv:%d\n"), aDrive); |
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141 //-- 1. check that there is no FS installed |
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142 TBuf<128> fsName; |
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143 nRes = aFs.FileSystemName(fsName, aDrive); |
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144 if(nRes == KErrNone) |
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145 {//-- probably no file system installed at all |
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146 RDebug::Print(_L("# This drive already has FS intalled:%S \n"), &fsName); |
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147 return KErrAlreadyExists; |
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148 } |
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149 |
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150 TPtrC ptrN (apFsDesc->FsName()); |
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151 TPtrC ptrExt(apFsDesc->PrimaryExtName()); |
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152 RDebug::Print(_L("# Mounting FS:%S, Prim ext:%S, synch:%d\n"), &ptrN, &ptrExt, apFsDesc->DriveIsSynch()); |
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153 |
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154 if(ptrExt.Length() >0) |
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155 {//-- there is a primary extension to be mounted |
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156 nRes = aFs.AddExtension(ptrExt); |
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157 if(nRes != KErrNone && nRes != KErrAlreadyExists) |
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158 { |
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159 return nRes; |
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160 } |
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161 |
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162 nRes = aFs.MountFileSystem(ptrN, ptrExt, aDrive, apFsDesc->DriveIsSynch()); |
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163 } |
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164 else |
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165 { |
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166 nRes = aFs.MountFileSystem(ptrN, aDrive, apFsDesc->DriveIsSynch()); |
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167 } |
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168 |
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169 if(nRes != KErrNone) |
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170 { |
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171 RDebug::Print(_L("# Mount failed! code:%d\n"),nRes); |
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172 } |
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173 |
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174 return nRes; |
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175 } |
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176 |
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177 |
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178 //----------------------------------------------------------------------------- |
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179 /** |
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180 Dismounts the originally mounted FS and optional primary extension from the drive and stores |
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181 this information in the FS descriptor |
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182 |
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183 @return on success returns a pointer to the instantinated FS descriptor |
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184 */ |
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185 LOCAL_C CFileSystemDescriptor* DoDismountOrginalFS(RFs& aFs, TInt aDrive) |
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186 { |
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187 TInt nRes; |
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188 TBuf<128> fsName; |
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189 TBuf<128> primaryExtName; |
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190 TBool bDrvSync = EFalse; |
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191 |
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192 RDebug::Print(_L("# DoDismountOrginalFS drv:%d\n"), aDrive); |
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193 |
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194 //-- 1. get file system name |
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195 nRes = aFs.FileSystemName(fsName, aDrive); |
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196 if(nRes != KErrNone) |
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197 {//-- probably no file system installed at all |
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198 return NULL; |
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199 } |
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200 |
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201 //-- 2. find out if the drive sync/async |
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202 TPckgBuf<TBool> drvSyncBuf; |
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203 nRes = aFs.QueryVolumeInfoExt(aDrive, EIsDriveSync, drvSyncBuf); |
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204 if(nRes == KErrNone) |
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205 { |
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206 bDrvSync = drvSyncBuf(); |
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207 } |
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208 |
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209 //-- 3. find out primary extension name if it is present; we will need to add it againt when mounting the FS |
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210 //-- other extensions (non-primary) are not supported yet |
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211 nRes = aFs.ExtensionName(primaryExtName, aDrive, 0); |
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212 if(nRes != KErrNone) |
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213 { |
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214 primaryExtName.SetLength(0); |
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215 } |
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216 |
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217 //-- 3.1 check if the drive has non-primary extensions, fail in this case, because this FS can't be mounted back normally |
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218 nRes = aFs.ExtensionName(primaryExtName, aDrive, 1); |
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219 if(nRes == KErrNone) |
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220 { |
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221 RDebug::Print(_L("Non-primary extensions are not supported!\n")); |
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222 return NULL; |
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223 } |
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224 |
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225 RDebug::Print(_L("# DoDismountOrginalFS FS:%S, Prim ext:%S, synch:%d\n"), &fsName, &primaryExtName, bDrvSync); |
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226 |
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227 //-- create FS descriptor and dismount the FS |
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228 CFileSystemDescriptor* pFsDesc = NULL; |
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229 |
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230 TRAP(nRes, pFsDesc = CFileSystemDescriptor::NewL(fsName, primaryExtName, bDrvSync)); |
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231 if(nRes != KErrNone) |
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232 return NULL; //-- OOM ? |
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233 |
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234 nRes = aFs.DismountFileSystem(fsName, aDrive); |
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235 if(nRes != KErrNone) |
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236 { |
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237 delete pFsDesc; |
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238 pFsDesc = NULL; |
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239 RDebug::Print(_L("# DoDismountOrginalFS Dismounting Err:%d\n"), nRes); |
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240 } |
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241 |
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242 return pFsDesc; |
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243 } |
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244 |
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245 /** |
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246 Unmount FAT and mount MSFS. |
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247 @param driveNumber |
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248 */ |
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249 LOCAL_C void MountMsFs(TInt driveNumber) |
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250 { |
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251 TInt x = console->WhereX(); |
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252 TInt y = console->WhereY(); |
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253 Clear(11,2); |
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254 RDebug::Print(_L("UsbMsExampleApp::MountMsFs driveNumber=%d\n"), driveNumber); |
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255 |
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256 //-- 1. try dismounting the original FS |
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257 CFileSystemDescriptor* fsDesc = DoDismountOrginalFS(fs, driveNumber); |
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258 unmountedFsList[driveNumber] = fsDesc; |
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259 |
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260 if(fsDesc) |
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261 { |
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262 TPtrC ptrN(fsDesc->FsName()); |
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263 RDebug::Print(_L("drv:%d FS:%S Dismounted OK"),driveNumber, &ptrN); |
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264 console->Printf(_L("%S Dismount %c: %S\n"), &ptrN, 'A' + driveNumber, &KOk); |
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265 } |
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266 else |
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267 { |
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268 RDebug::Print(_L("drv:%d Dismount FS Failed!"),driveNumber); |
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269 } |
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270 |
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271 //-- 2. try to mount the "MSFS" |
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272 TInt error; |
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273 error = fs.MountFileSystem(KMsFs, driveNumber); |
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274 RDebug::Print(_L("MSFS Mount: %S (%d)"), (error?&KError:&KOk), error); |
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275 |
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276 if (!error) |
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277 msfsMountedList[driveNumber] = ETrue; |
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278 |
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279 // restore console position |
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280 console->Printf(_L("MSFS Mount %c: %S (%d)"), 'A' + driveNumber, (error?&KError:&KOk), error); |
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281 console->SetPos(x,y); |
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282 } |
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283 |
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284 /** |
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285 Unmount MSFS and mount FAT. |
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286 @param driveNumber |
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287 */ |
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288 LOCAL_C TInt RestoreMount(TInt driveNumber) |
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289 { |
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290 TInt err = KErrNone; |
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291 TInt x = console->WhereX(); |
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292 TInt y = console->WhereY(); |
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293 Clear(11,2); |
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294 |
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295 //-- 1. try dismounting the "MSFS" |
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296 if (msfsMountedList[driveNumber]) |
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297 { |
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298 err = fs.DismountFileSystem(KMsFs, driveNumber); |
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299 RDebug::Print(_L("MSFS Dismount:%S (%d)"), (err?&KError:&KOk), err); |
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300 if (err) |
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301 return err; |
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302 |
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303 msfsMountedList[driveNumber] = EFalse; |
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304 console->Printf(_L("MSFS Dismount:%S (%d)\n"), (err?&KError:&KOk), err); |
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305 } |
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306 |
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307 //-- 2. try to mount the original FS back |
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308 CFileSystemDescriptor* fsDesc = unmountedFsList[driveNumber]; |
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309 if(fsDesc) |
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310 { |
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311 err = DoRestoreFS(fs, driveNumber, fsDesc); |
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312 |
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313 TPtrC ptrN(fsDesc->FsName()); |
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314 RDebug::Print(_L("%S Mount: %S (%d)"), &ptrN, (err?&KError:&KOk), err); |
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315 delete fsDesc; |
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316 unmountedFsList[driveNumber] = NULL; |
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317 console->Printf(_L("FAT Mount: %S (%d)"), (err?&KError:&KOk), err); |
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318 } |
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319 |
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320 // restore console position |
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321 console->SetPos(x,y); |
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322 return err; |
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323 } |
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324 |
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325 /** |
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326 Return a string description of the Drive Status |
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327 @param DriveStatus |
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328 @return a descriptor containing the description of the Drive Status |
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329 */ |
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330 LOCAL_C const TDesC& DriveStatusDescription(TInt & aDriveStatus) |
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331 { |
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332 switch(aDriveStatus) |
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333 { |
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334 case EUsbMsDriveState_Disconnected: |
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335 return KUsbMsDriveStateDisconnected; |
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336 |
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337 case EUsbMsDriveState_Connecting: |
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338 return KUsbMsDriveStateConnecting; |
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339 |
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340 case EUsbMsDriveState_Connected: |
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341 return KUsbMsDriveStateConnected; |
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342 |
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343 case EUsbMsDriveState_Disconnecting: |
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344 return KUsbMsDriveStateDisconnecting; |
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345 |
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346 case EUsbMsDriveState_Active: |
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347 return KUsbMsDriveStateActive; |
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348 |
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349 case EUsbMsDriveState_Locked: |
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350 return KUsbMsDriveStateLocked; |
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351 |
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352 case EUsbMsDriveState_MediaNotPresent: |
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353 return KUsbMsDriveStateMediaNotPresent; |
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354 |
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355 case EUsbMsDriveState_Removed: |
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356 return KUsbMsDriveStateRemoved; |
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357 |
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358 case EUsbMsDriveState_Error: |
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359 return KUsbMsDriveStateError; |
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360 |
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361 default : |
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362 return KUsbMsDriveStateUnkown; |
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363 |
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364 } |
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365 } |
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366 |
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367 /** |
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368 Return a string description of the Usb Device State |
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369 @param aUsbState Usb Device State |
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370 @return the descriptor containing the device state description |
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371 */ |
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372 LOCAL_C const TDesC& UsbStateDescription(TUsbDeviceState& aUsbState) |
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373 { |
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374 switch(aUsbState) |
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375 { |
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376 case EUsbDeviceStateDefault: |
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377 return KEUsbDeviceStateDefault; |
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378 |
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379 case EUsbDeviceStateAttached: |
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380 return KEUsbDeviceStateAttached; |
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381 |
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382 case EUsbDeviceStatePowered: |
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383 return KEUsbDeviceStatePowered; |
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384 |
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385 case EUsbDeviceStateConfigured: |
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386 return KEUsbDeviceStateConfigured; |
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387 |
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388 case EUsbDeviceStateAddress: |
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389 return KEUsbDeviceStateAddress; |
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390 |
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391 case EUsbDeviceStateSuspended: |
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392 return KEUsbDeviceStateSuspended; |
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393 |
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394 case EUsbDeviceStateUndefined: |
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395 default : |
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396 return KEUsbDeviceStateUndefined; |
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397 } |
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398 |
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399 } |
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400 |
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401 ////////////////////////////////////////////////////////////////////////////// |
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402 |
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403 CPropertyWatch* CPropertyWatch::NewLC(TUsbMsDriveState_Subkey aSubkey, PropertyHandlers::THandler aHandler) |
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404 { |
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405 CPropertyWatch* me=new(ELeave) CPropertyWatch(aHandler); |
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406 CleanupStack::PushL(me); |
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407 me->ConstructL(aSubkey); |
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408 return me; |
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409 } |
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410 |
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411 CPropertyWatch::CPropertyWatch(PropertyHandlers::THandler aHandler) |
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412 : CActive(0), iHandler(aHandler) |
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413 {} |
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414 |
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415 void CPropertyWatch::ConstructL(TUsbMsDriveState_Subkey aSubkey) |
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416 { |
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417 User::LeaveIfError(iProperty.Attach(KUsbMsDriveState_Category, aSubkey)); |
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418 CActiveScheduler::Add(this); |
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419 // initial subscription and process current property value |
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420 RunL(); |
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421 } |
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422 |
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423 CPropertyWatch::~CPropertyWatch() |
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424 { |
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425 Cancel(); |
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426 iProperty.Close(); |
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427 } |
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428 |
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429 void CPropertyWatch::DoCancel() |
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430 { |
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431 iProperty.Cancel(); |
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432 } |
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433 |
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434 void CPropertyWatch::RunL() |
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435 { |
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436 // resubscribe before processing new value to prevent missing updates |
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437 iProperty.Subscribe(iStatus); |
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438 SetActive(); |
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439 |
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440 iHandler(iProperty); |
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441 } |
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442 |
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443 ////////////////////////////////////////////////////////////////////////////// |
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444 |
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445 CUsbWatch* CUsbWatch::NewLC(RUsb& aUsb) |
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446 { |
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447 CUsbWatch* me=new(ELeave) CUsbWatch(aUsb); |
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448 CleanupStack::PushL(me); |
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449 me->ConstructL(); |
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450 return me; |
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451 } |
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452 |
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453 CUsbWatch::CUsbWatch(RUsb& aUsb) |
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454 : |
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455 CActive(0), |
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456 iUsb(aUsb), |
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457 iUsbDeviceState(EUsbDeviceStateUndefined), |
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458 iIsConfigured(EFalse) |
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459 {} |
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460 |
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461 void CUsbWatch::ConstructL() |
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462 { |
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463 CActiveScheduler::Add(this); |
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464 RunL(); |
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465 } |
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466 |
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467 CUsbWatch::~CUsbWatch() |
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468 { |
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469 Cancel(); |
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470 } |
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471 |
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472 void CUsbWatch::DoCancel() |
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473 { |
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474 iUsb.DeviceStateNotificationCancel(); |
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475 } |
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476 |
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477 static TBool IsDriveConnected(TInt driveStatusIndex) |
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478 { |
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479 TInt driveStatus = PropertyHandlers::allDrivesStatus[2*driveStatusIndex+1]; |
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480 return driveStatus == EUsbMsDriveState_Connected |
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481 || driveStatus >= EUsbMsDriveState_Active; |
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482 } |
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483 |
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484 static TChar DriveNumberToLetter(TInt driveNumber) |
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485 { |
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486 TChar driveLetter = '?'; |
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487 fs.DriveToChar(driveNumber, driveLetter); |
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488 return driveLetter; |
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489 } |
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490 |
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491 static TBool IsDriveInMountList(TUint driveLetter) |
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492 { |
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493 TUint16 driveLetter16 = static_cast<TUint16>(driveLetter); |
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494 return(!mountList.Length() || KErrNotFound != mountList.Find(&driveLetter16, 1)); |
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495 } |
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496 |
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497 void CUsbWatch::RunL() |
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498 { |
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499 RDebug::Print(_L("CUsbWatch DeviceStateNotification: iUsbDeviceState=%d %s"), iUsbDeviceState, &UsbStateDescription(iUsbDeviceState)); |
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500 |
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501 // If the cable is disconnected, unmount all the connected drives. |
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502 if(iIsConfigured && (iUsbDeviceState == EUsbDeviceStateUndefined)) |
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503 { |
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504 for(TInt i=0; i<PropertyHandlers::allDrivesStatus.Length()/2; i++) |
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505 { |
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506 if(IsDriveConnected(i)) |
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507 { |
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508 RDebug::Print(_L("CUsbWatch calling UnmountMsFs")); |
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509 RestoreMount(PropertyHandlers::allDrivesStatus[2*i]); |
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510 } |
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511 } |
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512 |
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513 iIsConfigured = EFalse; |
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514 } |
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515 |
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516 if(iUsbDeviceState == EUsbDeviceStateConfigured) |
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517 { |
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518 iIsConfigured = ETrue; |
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519 } |
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520 |
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521 const TUint stateMask = 0xFF; |
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522 iUsb.DeviceStateNotification(stateMask, iUsbDeviceState, iStatus); |
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523 SetActive(); |
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524 } |
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525 |
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526 ////////////////////////////////////////////////////////////////////////////// |
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527 |
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528 TUsbMsDrivesStatus PropertyHandlers::allDrivesStatus; |
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529 TUsbMsBytesTransferred PropertyHandlers::iKBytesRead; |
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530 TUsbMsBytesTransferred PropertyHandlers::iKBytesWritten; |
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531 |
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532 /** |
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533 Handle a publish event for the Bytes Read property. |
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534 */ |
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535 void PropertyHandlers::Read(RProperty& aProperty) |
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536 { |
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537 Transferred(aProperty, iKBytesRead); |
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538 } |
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539 |
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540 /** |
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541 Handle a publish event for the Bytes Written property. |
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542 */ |
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543 void PropertyHandlers::Written(RProperty& aProperty) |
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544 { |
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545 Transferred(aProperty, iKBytesWritten); |
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546 } |
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547 |
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548 /** |
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549 Helper function for Read and Written |
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550 */ |
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551 void PropertyHandlers::Transferred(RProperty& aProperty, TUsbMsBytesTransferred& aReadOrWritten) |
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552 { |
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553 console->SetPos(0,1); |
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554 console->Printf(_L("KB R/W: ")); |
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555 TInt err = aProperty.Get(aReadOrWritten); |
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556 if(err == KErrNone) |
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557 { |
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558 for(TInt i=0; i<allDrivesStatus.Length()/2; i++) |
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559 { |
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560 console->Printf(KBytesTransferredFmt, |
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561 static_cast<char>(DriveNumberToLetter(allDrivesStatus[2*i])), iKBytesRead[i], iKBytesWritten[i]); |
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562 } |
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563 } |
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564 else |
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565 { |
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566 console->Printf(KErrFmt, err); |
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567 } |
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568 } |
|
569 |
|
570 /** |
|
571 Handle a publish event for the Drive Status property. |
|
572 */ |
|
573 void PropertyHandlers::DriveStatus(RProperty& aProperty) |
|
574 { |
|
575 RDebug::Print(_L(">> PropertyHandlers::DriveStatus")); |
|
576 TInt err = aProperty.Get(allDrivesStatus); |
|
577 console->SetPos(0,0); |
|
578 if(err == KErrNone) |
|
579 { |
|
580 TInt numDrives = allDrivesStatus.Length()/2; |
|
581 console->Printf(_L("Status: ")); |
|
582 for(TInt i=0; i<numDrives; i++) |
|
583 { |
|
584 TInt driveNumber = allDrivesStatus[2*i]; |
|
585 TInt driveStatus = allDrivesStatus[2*i+1]; |
|
586 TChar driveLetter = DriveNumberToLetter(driveNumber); |
|
587 |
|
588 |
|
589 RDebug::Print(_L("PropertyHandlers::DriveStatus: drive %c: = %d %S"), |
|
590 static_cast<char>(driveLetter), driveStatus, &DriveStatusDescription(driveStatus)); |
|
591 console->Printf(_L("%c:%d %S "), static_cast<char>(driveLetter), driveStatus, &DriveStatusDescription(driveStatus)); |
|
592 |
|
593 if(IsDriveInMountList(driveLetter)) |
|
594 { |
|
595 if(driveStatus == EUsbMsDriveState_Connecting) |
|
596 { |
|
597 MountMsFs(driveNumber); |
|
598 } |
|
599 else if(driveStatus == EUsbMsDriveState_Disconnected) |
|
600 { |
|
601 RestoreMount(driveNumber); |
|
602 } |
|
603 else |
|
604 { |
|
605 RDebug::Print(_L("PropertyHandlers::DriveStatus: nothing to do")); |
|
606 } |
|
607 } |
|
608 else |
|
609 { |
|
610 RDebug::Print(_L("PropertyHandlers::DriveStatus: %c: is not in mountList\n"), |
|
611 (TUint) driveLetter); |
|
612 } |
|
613 } |
|
614 } |
|
615 else |
|
616 { |
|
617 console->Printf(KErrFmt, err); |
|
618 } |
|
619 |
|
620 RDebug::Print(_L("<< PropertyHandlers::DriveStatus")); |
|
621 } |
|
622 |
|
623 ////////////////////////////////////////////////////////////////////////////// |
|
624 |
|
625 CMessageKeyProcessor::CMessageKeyProcessor(CConsoleBase* aConsole) |
|
626 : CActive(CActive::EPriorityUserInput), iConsole(aConsole) |
|
627 { |
|
628 } |
|
629 |
|
630 CMessageKeyProcessor* CMessageKeyProcessor::NewLC(CConsoleBase* aConsole |
|
631 ) |
|
632 { |
|
633 CMessageKeyProcessor* self=new (ELeave) CMessageKeyProcessor(aConsole); |
|
634 CleanupStack::PushL(self); |
|
635 self->ConstructL(); |
|
636 return self; |
|
637 } |
|
638 |
|
639 CMessageKeyProcessor* CMessageKeyProcessor::NewL(CConsoleBase* aConsole |
|
640 ) |
|
641 { |
|
642 CMessageKeyProcessor* self = NewLC(aConsole); |
|
643 CleanupStack::Pop(); |
|
644 return self; |
|
645 } |
|
646 |
|
647 void CMessageKeyProcessor::ConstructL() |
|
648 { |
|
649 // Add to active scheduler |
|
650 CActiveScheduler::Add(this); |
|
651 RequestCharacter(); |
|
652 } |
|
653 |
|
654 |
|
655 CMessageKeyProcessor::~CMessageKeyProcessor() |
|
656 { |
|
657 // Make sure we're cancelled |
|
658 Cancel(); |
|
659 } |
|
660 |
|
661 void CMessageKeyProcessor::DoCancel() |
|
662 { |
|
663 iConsole->ReadCancel(); |
|
664 } |
|
665 |
|
666 void CMessageKeyProcessor::RunL() |
|
667 { |
|
668 // Handle completed request |
|
669 ProcessKeyPress(TChar(iConsole->KeyCode())); |
|
670 } |
|
671 |
|
672 void CMessageKeyProcessor::RequestCharacter() |
|
673 { |
|
674 // A request is issued to the CConsoleBase to accept a |
|
675 // character from the keyboard. |
|
676 iConsole->Read(iStatus); |
|
677 SetActive(); |
|
678 } |
|
679 |
|
680 void CMessageKeyProcessor::ProcessKeyPress(TChar aChar) |
|
681 { |
|
682 TInt error = KErrNone; |
|
683 |
|
684 aChar.UpperCase(); |
|
685 switch(aChar) |
|
686 { |
|
687 case 'Q': |
|
688 case EKeyEscape: |
|
689 for(TInt j=0; j<KMaxDrives; j++) |
|
690 { |
|
691 error = RestoreMount(j); |
|
692 if (error) |
|
693 { |
|
694 // Mount is busy/locked and can not be restored. |
|
695 break; |
|
696 } |
|
697 } |
|
698 CActiveScheduler::Stop(); |
|
699 return; |
|
700 |
|
701 case 'D': |
|
702 if(++selectedDriveIndex >= PropertyHandlers::allDrivesStatus.Length()/2) |
|
703 { |
|
704 selectedDriveIndex = 0; |
|
705 } |
|
706 ShowDriveSelection(); |
|
707 break; |
|
708 |
|
709 case 'M': |
|
710 if(PropertyHandlers::allDrivesStatus.Length()) |
|
711 { |
|
712 MountMsFs(PropertyHandlers::allDrivesStatus[selectedDriveIndex*2]); |
|
713 } |
|
714 break; |
|
715 |
|
716 case 'U': |
|
717 if(PropertyHandlers::allDrivesStatus.Length()) |
|
718 { |
|
719 RestoreMount(PropertyHandlers::allDrivesStatus[selectedDriveIndex*2]); |
|
720 } |
|
721 break; |
|
722 |
|
723 case 'L': |
|
724 { |
|
725 _LIT(KEmpty, ""); |
|
726 TMediaPassword nul; |
|
727 nul.Copy(KEmpty); |
|
728 error = fs.LockDrive(PropertyHandlers::allDrivesStatus[selectedDriveIndex*2], |
|
729 nul, password, ETrue); |
|
730 console->SetPos(0,9); |
|
731 console->Printf(_L("LockDrive %S (%d)"), (error?&KError:&KOk), error); |
|
732 break; |
|
733 } |
|
734 |
|
735 case 'N': |
|
736 error = fs.UnlockDrive(PropertyHandlers::allDrivesStatus[selectedDriveIndex*2], |
|
737 password, ETrue); |
|
738 Clear(9); |
|
739 console->Printf(_L("UnlockDrive %S (%d)"), (error?&KError:&KOk), error); |
|
740 break; |
|
741 |
|
742 case 'C': |
|
743 error = fs.ClearPassword(PropertyHandlers::allDrivesStatus[selectedDriveIndex*2], |
|
744 password); |
|
745 Clear(9); |
|
746 console->Printf(_L("ClearPassword %S (%d)"), (error?&KError:&KOk), error); |
|
747 break; |
|
748 } |
|
749 RequestCharacter(); |
|
750 } |
|
751 |
|
752 |
|
753 //----------------------------------------------------------------------------- |
|
754 |
|
755 CFileSystemDescriptor::~CFileSystemDescriptor() |
|
756 { |
|
757 iFsName.Close(); |
|
758 iPrimaryExtName.Close(); |
|
759 } |
|
760 |
|
761 //----------------------------------------------------------------------------- |
|
762 CFileSystemDescriptor* CFileSystemDescriptor::NewL(const TDesC& aFsName, const TDesC& aPrimaryExtName, TBool aDrvSynch) |
|
763 { |
|
764 CFileSystemDescriptor* pSelf = new (ELeave) CFileSystemDescriptor; |
|
765 |
|
766 CleanupStack::PushL(pSelf); |
|
767 |
|
768 pSelf->iFsName.CreateMaxL(aFsName.Length()); |
|
769 pSelf->iFsName.Copy(aFsName); |
|
770 |
|
771 pSelf->iPrimaryExtName.CreateMaxL(aPrimaryExtName.Length()); |
|
772 pSelf->iPrimaryExtName.Copy(aPrimaryExtName); |
|
773 |
|
774 pSelf->iDriveSynch = aDrvSynch; |
|
775 |
|
776 CleanupStack::Pop(); |
|
777 |
|
778 return pSelf; |
|
779 } |
|
780 |
|
781 |
|
782 |
|
783 |
|
784 |
|
785 |
|
786 |
|
787 |
|
788 ////////////////////////////////////////////////////////////////////////////// |
|
789 |
|
790 /** |
|
791 Initialize mass storage. Enter Active Scheduler. Shutdown mass storage. |
|
792 */ |
|
793 LOCAL_C void RunAppL() |
|
794 { |
|
795 TInt error = KErrUnknown; |
|
796 TRequestStatus status; |
|
797 |
|
798 PropertyHandlers::allDrivesStatus.Fill(0); |
|
799 |
|
800 RDebug::Print(_L("USBMSEXAMPLEAPP: Creating console\n")); |
|
801 console = Console::NewL(KTxtApp,TSize(KConsFullScreen,KConsFullScreen)); |
|
802 CleanupStack::PushL(console); |
|
803 |
|
804 console->SetPos(0,2); |
|
805 console->Printf(_L("========================================")); |
|
806 |
|
807 RDebug::Print(_L("USBMSEXAMPLEAPP: Getting CommandLine\n")); |
|
808 // Command line: list of drive letters to auto-mount (all if not specified) |
|
809 User::CommandLine(mountList); |
|
810 mountList.UpperCase(); |
|
811 |
|
812 RDebug::Print(_L("USBMSEXAMPLEAPP: Creating CActiveScheduler\n")); |
|
813 CActiveScheduler* sched = new(ELeave) CActiveScheduler; |
|
814 CleanupStack::PushL(sched); |
|
815 CActiveScheduler::Install(sched); |
|
816 |
|
817 RDebug::Print(_L("USBMSEXAMPLEAPP: Connecting to file system\n")); |
|
818 User::LeaveIfError(fs.Connect()); |
|
819 CleanupClosePushL(fs); |
|
820 |
|
821 _LIT(KMountAllDefault,"(all)"); |
|
822 console->SetPos(0,3); |
|
823 console->Printf(_L("Drives to auto-mount: %S"), |
|
824 (mountList.Length() ? &mountList : &KMountAllDefault)); |
|
825 |
|
826 #if defined(__WINS__) |
|
827 _LIT(KDriverFileName,"TESTUSBC.LDD"); |
|
828 error = User::LoadLogicalDevice(KDriverFileName); |
|
829 console->SetPos(0,4); |
|
830 console->Printf(_L("Load %S: %S (%d)"), |
|
831 &KDriverFileName, (error?&KError:&KOk), error); |
|
832 #endif |
|
833 |
|
834 console->SetPos(0,5); |
|
835 RDebug::Print(_L("USBMSEXAMPLEAPP: Add MS file system\n")); |
|
836 // Add MS file system |
|
837 error = fs.AddFileSystem(KMsFsy); |
|
838 console->Printf(_L("Add MS File System: %S (%d)"), |
|
839 (error?&KError:&KOk), error); |
|
840 |
|
841 RUsb usb; |
|
842 error = usb.Connect(); |
|
843 User::LeaveIfError(error); |
|
844 CleanupClosePushL(usb); |
|
845 |
|
846 console->SetPos(0,6); |
|
847 RDebug::Print(_L("USBMSEXAMPLEAPP: Find the class controller\n")); |
|
848 |
|
849 // Find the personality that supports the massstorage uid |
|
850 TInt personalityId=-1; |
|
851 RArray<TInt> personalityIds; |
|
852 usb.GetPersonalityIds(personalityIds); |
|
853 for (TInt i=0; i < personalityIds.Count(); i++) |
|
854 { |
|
855 TBool supported=EFalse; |
|
856 User::LeaveIfError(usb.ClassSupported(personalityIds[i], KUsbMsClassControllerUID, supported)); |
|
857 |
|
858 HBufC* localizedPersonalityDescriptor; |
|
859 User::LeaveIfError(usb.GetDescription(personalityIds[i],localizedPersonalityDescriptor)); |
|
860 console->Printf(_L("USB Personality id=%d - '%S' %s\n"), |
|
861 personalityIds[i], localizedPersonalityDescriptor, |
|
862 supported?_S("*"):_S("")); |
|
863 |
|
864 if(supported) |
|
865 { |
|
866 personalityId = personalityIds[i]; |
|
867 } |
|
868 delete localizedPersonalityDescriptor; |
|
869 } |
|
870 personalityIds.Close(); |
|
871 |
|
872 if(personalityId != -1) |
|
873 { |
|
874 RDebug::Print(_L("USBMSEXAMPLEAPP: Start USB\n")); |
|
875 usb.TryStart(personalityId, status); |
|
876 User::WaitForRequest(status); |
|
877 if(status.Int() != KErrNone) |
|
878 { |
|
879 console->Printf(_L("USB Service failed to start (%d)"), status.Int()); |
|
880 } |
|
881 else |
|
882 { |
|
883 TUsbServiceState currentState; |
|
884 User::LeaveIfError(usb.GetServiceState(currentState)); |
|
885 if(EUsbServiceStarted != currentState) |
|
886 { |
|
887 console->Printf(_L("USB Service failed to enter EUsbServiceStarted")); |
|
888 User::Leave(KErrUnknown); |
|
889 } |
|
890 console->Printf(_L("USB Service Started, personality id=%d"), personalityId); |
|
891 } |
|
892 } |
|
893 else |
|
894 { |
|
895 console->Printf(_L("USBMS class controller not found")); |
|
896 } |
|
897 |
|
898 console->SetPos(0,14); |
|
899 TBuf16<8> lpwd; |
|
900 lpwd.Copy(password); |
|
901 console->Printf(_L("Password: %S"), &lpwd); |
|
902 |
|
903 RDebug::Print(_L("USBMSEXAMPLEAPP: Create active objects\n")); |
|
904 |
|
905 CMessageKeyProcessor::NewLC(console); |
|
906 CPropertyWatch::NewLC(EUsbMsDriveState_KBytesRead, PropertyHandlers::Read); |
|
907 CPropertyWatch::NewLC(EUsbMsDriveState_KBytesWritten, PropertyHandlers::Written); |
|
908 CPropertyWatch::NewLC(EUsbMsDriveState_DriveStatus, PropertyHandlers::DriveStatus); |
|
909 CUsbWatch::NewLC(usb); |
|
910 |
|
911 ShowDriveSelection(); |
|
912 |
|
913 console->SetPos(0,16); |
|
914 _LIT(KMsgTitleB,"Menu: q=quit d=chg drv m=mount u=unmount\n l=lock n=unlock c=clr pwd"); |
|
915 console->Printf(KMsgTitleB); |
|
916 |
|
917 RDebug::Print(_L("USBMSEXAMPLEAPP: Start CActiveScheduler\n")); |
|
918 CActiveScheduler::Start(); |
|
919 |
|
920 RDebug::Print(_L("Shutting down. Unmounting all mounted drives\n")); |
|
921 |
|
922 for(TInt j=0; j<PropertyHandlers::allDrivesStatus.Length()/2; j++) |
|
923 { |
|
924 if(IsDriveConnected(j)) |
|
925 { |
|
926 RestoreMount(PropertyHandlers::allDrivesStatus[2*j]); |
|
927 } |
|
928 } |
|
929 |
|
930 usb.TryStop(status); |
|
931 User::WaitForRequest(status); |
|
932 RDebug::Print(_L("USB TryStop returned %d\n"), status.Int()); |
|
933 |
|
934 error = fs.RemoveFileSystem(KMsFs); |
|
935 RDebug::Print(_L("RemoveFileSystem returned %d\n"), error); |
|
936 |
|
937 #if defined(__WINS__) |
|
938 error = User::FreeLogicalDevice(KDriverFileName); |
|
939 RDebug::Print(_L("FreeLogicalDevice returned %d\n"), error); |
|
940 #endif |
|
941 |
|
942 CleanupStack::PopAndDestroy(); // CUsbWatch |
|
943 CleanupStack::PopAndDestroy(); // CPropertyWatch |
|
944 CleanupStack::PopAndDestroy(); // CPropertyWatch |
|
945 CleanupStack::PopAndDestroy(); // CPropertyWatch |
|
946 CleanupStack::PopAndDestroy(); // CMessageKeyProcessor |
|
947 CleanupStack::PopAndDestroy(&usb); |
|
948 CleanupStack::PopAndDestroy(&fs); |
|
949 CleanupStack::PopAndDestroy(sched); |
|
950 CleanupStack::PopAndDestroy(console); |
|
951 } |
|
952 |
|
953 |
|
954 /** |
|
955 Application entry point. |
|
956 */ |
|
957 GLDEF_C TInt E32Main() |
|
958 { |
|
959 __UHEAP_MARK; |
|
960 CTrapCleanup* cleanup=CTrapCleanup::New(); |
|
961 |
|
962 TRAPD(error,RunAppL()); |
|
963 __ASSERT_ALWAYS(!error, User::Panic(KTxtApp, error)); |
|
964 |
|
965 delete cleanup; |
|
966 __UHEAP_MARKEND; |
|
967 return 0; |
|
968 } |