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1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of the License "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // e32test\pccd\d_medch.cpp |
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15 // This LDD allow simulation of media change on a peripheral bus controller. |
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16 // |
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17 // |
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18 |
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19 #include <kernel/kernel.h> |
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20 #include <drivers/pbus.h> |
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21 #include "d_medch.h" |
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22 |
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23 const TInt KMajorVersionNumber=1; |
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24 const TInt KMinorVersionNumber=0; |
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25 const TInt KBuildVersionNumber=1; |
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26 |
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27 class DLddFactoryMedCh : public DLogicalDevice |
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28 { |
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29 public: |
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30 DLddFactoryMedCh(); |
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31 virtual TInt Install(); |
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32 virtual void GetCaps(TDes8 &aDes) const; |
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33 virtual TInt Create(DLogicalChannelBase*& aChannel); |
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34 }; |
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35 |
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36 class DLddMedCh : public DLogicalChannel |
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37 { |
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38 public: |
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39 DLddMedCh(); |
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40 ~DLddMedCh(); |
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41 protected: |
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42 virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer); |
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43 virtual void HandleMsg(class TMessageBase *); |
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44 private: |
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45 TInt DoRequest(TInt aReqNo,TAny *a1,TAny *a2); |
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46 TInt DoControl(TInt aFunction,TAny *a1,TAny *a2); |
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47 private: |
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48 static void MsCBFunc(TAny* aPtr); |
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49 private: |
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50 DPBusSocket* iSocketP; |
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51 DThread* iClient; |
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52 TRequestStatus* iReqStat; |
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53 |
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54 NTimer iMsCallBack; |
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55 TInt iMsInterval; |
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56 |
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57 DPBusSocket::TPBusSimulateMediaState iDelayedOperation; |
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58 }; |
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59 |
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60 DECLARE_STANDARD_LDD() |
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61 { |
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62 return new DLddFactoryMedCh; |
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63 } |
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64 |
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65 DLddFactoryMedCh::DLddFactoryMedCh() |
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66 /** |
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67 * Constructor |
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68 */ |
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69 { |
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70 |
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71 iParseMask=KDeviceAllowUnit; |
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72 iUnitsMask=0xffffffff; |
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73 iVersion = TVersion(KMajorVersionNumber, KMinorVersionNumber, KBuildVersionNumber); |
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74 } |
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75 |
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76 TInt DLddFactoryMedCh::Install() |
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77 /** |
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78 * Install the device driver. |
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79 */ |
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80 { |
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81 |
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82 TPtrC name = _L("MedCh"); |
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83 return(SetName(&name)); |
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84 } |
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85 |
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86 void DLddFactoryMedCh::GetCaps(TDes8 &aDes) const |
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87 /** |
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88 * Return the media change LDD capabilities. |
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89 */ |
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90 { |
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91 |
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92 TCapsMediaChangeV01 caps; |
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93 caps.version = TVersion(KMajorVersionNumber, KMinorVersionNumber, KBuildVersionNumber); |
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94 Kern::InfoCopy(aDes,(TUint8*)&caps,sizeof(caps)); |
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95 } |
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96 |
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97 TInt DLddFactoryMedCh::Create(DLogicalChannelBase*& aChannel) |
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98 /** |
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99 * Create a channel on the device. |
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100 */ |
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101 { |
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102 |
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103 aChannel = new DLddMedCh; |
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104 return aChannel ? KErrNone : KErrNoMemory; |
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105 } |
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106 |
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107 DLddMedCh::DLddMedCh() |
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108 /** |
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109 * Constructor |
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110 */ |
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111 : iMsCallBack(MsCBFunc, this) |
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112 { |
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113 |
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114 iClient = &Kern::CurrentThread(); |
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115 ((DObject*)iClient)->Open(); |
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116 } |
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117 |
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118 DLddMedCh::~DLddMedCh() |
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119 /** |
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120 * Destructor |
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121 */ |
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122 { |
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123 if(iSocketP) |
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124 (void)iSocketP->ControlIO(DPBusSocket::EControlMediaState, (TAny*)DPBusSocket::EPeriphBusMediaNormal, NULL); |
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125 |
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126 Kern::SafeClose((DObject*&)iClient, NULL); |
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127 } |
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128 |
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129 TInt DLddMedCh::DoCreate(TInt aUnit, const TDesC8* /*aInfo*/, const TVersion& aVer) |
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130 /** |
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131 * Create channel. |
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132 */ |
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133 { |
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134 |
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135 if (!Kern::QueryVersionSupported(TVersion(KMajorVersionNumber, KMinorVersionNumber, KBuildVersionNumber), aVer)) |
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136 return(KErrNotSupported); |
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137 |
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138 // |
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139 // Obtain the requested socket (as specified by the opened logical unit) |
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140 // |
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141 iSocketP = DPBusSocket::SocketFromId(aUnit); |
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142 if(iSocketP == NULL) |
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143 return(KErrNoMemory); |
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144 |
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145 SetDfcQ(Kern::DfcQue0()); |
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146 iMsgQ.Receive(); |
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147 |
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148 return KErrNone; |
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149 } |
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150 |
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151 void DLddMedCh::HandleMsg(TMessageBase* aMsg) |
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152 /** |
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153 * Message Handler |
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154 */ |
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155 { |
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156 |
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157 TThreadMessage& m=*(TThreadMessage*)aMsg; |
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158 TInt id=m.iValue; |
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159 |
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160 if (id == (TInt)ECloseMsg) |
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161 { |
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162 iMsCallBack.Cancel(); |
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163 (void)iSocketP->ControlIO(DPBusSocket::EControlMediaState, (TAny*)DPBusSocket::EPeriphBusMediaNormal, NULL); |
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164 m.Complete(KErrNone, EFalse); |
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165 return; |
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166 } |
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167 else if (id == KMaxTInt) |
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168 { |
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169 // DoCancel |
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170 m.Complete(KErrNone, ETrue); |
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171 return; |
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172 } |
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173 |
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174 if (id < 0) |
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175 { |
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176 // DoRequest |
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177 TRequestStatus* pS = (TRequestStatus*)m.Ptr0(); |
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178 iReqStat = pS; |
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179 TInt r = DoRequest(~id, m.Ptr1(), m.Ptr2()); |
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180 if (r != KErrNone) |
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181 Kern::RequestComplete(iClient, pS, r); |
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182 m.Complete(KErrNone, ETrue); |
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183 } |
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184 else |
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185 { |
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186 // DoControl |
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187 TInt r = DoControl(id, m.Ptr0(), m.Ptr1()); |
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188 if(r != KErrCompletion) |
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189 { |
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190 m.Complete(r, ETrue); |
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191 } |
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192 } |
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193 } |
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194 |
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195 TInt DLddMedCh::DoRequest(TInt aFunction, TAny* a1, TAny* a2) |
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196 /** |
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197 * Asynchronous requests |
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198 */ |
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199 { |
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200 |
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201 TInt err = KErrNotSupported; |
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202 |
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203 switch (aFunction) |
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204 { |
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205 case RMedCh::EDelayedDoorOpen: |
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206 { |
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207 const TInt KMsInterval = (TInt)a1; |
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208 iDelayedOperation = DPBusSocket::EPeriphBusDoorOpen; |
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209 err = iMsCallBack.OneShot(NKern::TimerTicks(KMsInterval), ETrue); |
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210 break; |
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211 } |
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212 |
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213 case RMedCh::EDelayedDoorClose: |
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214 { |
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215 const TInt KMsInterval = (TInt)a1; |
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216 const TBool KMediaPresent = (TBool)a2; |
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217 iDelayedOperation = KMediaPresent ? DPBusSocket::EPeriphBusMediaPresent : DPBusSocket::EPeriphBusMediaRemoved; |
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218 err = iMsCallBack.OneShot(NKern::TimerTicks(KMsInterval), ETrue); |
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219 break; |
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220 } |
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221 |
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222 default: |
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223 { |
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224 err = KErrNotSupported; |
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225 break; |
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226 } |
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227 } |
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228 |
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229 return err; |
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230 } |
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231 |
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232 TInt DLddMedCh::DoControl(TInt aFunction,TAny* a1, TAny* /*a2*/) |
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233 /** |
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234 * Synchronous requests |
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235 */ |
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236 { |
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237 |
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238 TInt err = KErrNotSupported; |
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239 |
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240 switch (aFunction) |
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241 { |
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242 case RMedCh::EDoorOpen: |
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243 { |
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244 err = iSocketP->ControlIO(DPBusSocket::EControlMediaState, (TAny*)DPBusSocket::EPeriphBusDoorOpen, NULL); |
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245 break; |
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246 } |
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247 |
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248 case RMedCh::EDoorClose: |
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249 { |
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250 const TBool KMediaPresent = (TBool)a1; |
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251 |
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252 err = iSocketP->ControlIO(DPBusSocket::EControlMediaState, |
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253 (TAny*)(KMediaPresent ? DPBusSocket::EPeriphBusMediaPresent : DPBusSocket::EPeriphBusMediaRemoved), |
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254 NULL); |
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255 break; |
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256 } |
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257 |
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258 case RMedCh::EDoorNormal: |
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259 { |
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260 err = iSocketP->ControlIO(DPBusSocket::EControlMediaState, (TAny*)DPBusSocket::EPeriphBusMediaNormal, NULL); |
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261 break; |
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262 } |
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263 |
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264 case RMedCh::EDoubleDoorOpen: |
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265 { |
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266 err = iSocketP->ControlIO(DPBusSocket::EControlMediaState, (TAny*)DPBusSocket::EPeriphBusMediaDoubleDoorOpen, NULL); |
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267 break; |
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268 } |
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269 |
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270 default: |
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271 { |
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272 err = KErrNotSupported; |
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273 break; |
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274 } |
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275 } |
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276 |
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277 return err; |
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278 } |
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279 |
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280 void DLddMedCh::MsCBFunc(TAny* aPtr) |
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281 /** |
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282 * Delayed Open/Close timer callback |
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283 */ |
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284 { |
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285 DLddMedCh& mcldd=*(DLddMedCh*)aPtr; |
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286 TInt err = mcldd.iSocketP->ControlIO(DPBusSocket::EControlMediaState, (TAny*)mcldd.iDelayedOperation, NULL); |
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287 Kern::RequestComplete(mcldd.iClient, mcldd.iReqStat, err); |
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288 } |
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289 |