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1 // Copyright (c) 2008-2009 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/iic/iic_slaveclient.cpp |
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15 // Simulated client of IIC Platform Independent Layer (PIL) Slave functionality |
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16 // |
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17 |
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18 #include <kernel/kern_priv.h> // for DThread, TDfc |
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19 #ifdef STANDALONE_CHANNEL |
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20 #include <drivers/iic_transaction.h> |
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21 #else |
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22 #include <drivers/iic.h> |
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23 #endif |
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24 #include "../t_iic.h" |
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25 |
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26 #ifdef STANDALONE_CHANNEL |
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27 #include <drivers/iic_channel.h> |
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28 #include "i2c.h" |
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29 #endif |
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30 #ifdef LOG_SLAVECLIENT |
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31 #define CLIENT_PRINT(str) Kern::Printf str |
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32 #else |
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33 #define CLIENT_PRINT(str) |
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34 #endif |
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35 |
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36 //For channel creation |
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37 #ifdef STANDALONE_CHANNEL |
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38 #define NUM_CHANNELS 3 // Arbitrary |
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39 |
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40 #if defined(MASTER_MODE) && !defined(SLAVE_MODE) |
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41 const TInt KChannelTypeArray[NUM_CHANNELS] = {DIicBusChannel::EMaster, DIicBusChannel::EMaster, DIicBusChannel::EMaster}; |
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42 #elif defined(MASTER_MODE) && defined(SLAVE_MODE) |
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43 const TInt KChannelTypeArray[NUM_CHANNELS] = {DIicBusChannel::EMaster, DIicBusChannel::ESlave, DIicBusChannel::EMasterSlave}; |
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44 #else |
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45 const TInt KChannelTypeArray[NUM_CHANNELS] = {DIicBusChannel::ESlave, DIicBusChannel::ESlave, DIicBusChannel::ESlave}; |
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46 #endif |
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47 #define CHANNEL_TYPE(n) (KChannelTypeArray[n]) |
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48 #define CHANNEL_DUPLEX(n) (DIicBusChannel::EHalfDuplex) |
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49 #define BUS_TYPE (DIicBusChannel::EI2c) |
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50 |
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51 #if defined(MASTER_MODE) |
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52 const TInt8 KI2cChannelNumBase = 10; // Arbitrary, real platform may consult the Configuration Repository |
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53 // Note limit of 5 bit representation (0-31) |
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54 |
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55 #else |
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56 const TInt8 KI2cChannelNumBase = 10 + NUM_CHANNELS; // For Slave mode, want to provide different response |
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57 // If client assumes Master mode, should be informed not available |
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58 #endif/*MASTER_MODE*/ |
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59 |
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60 LOCAL_C TInt8 AssignChanNumI2c() |
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61 { |
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62 static TInt8 iBaseChanNumI2c = KI2cChannelNumBase; |
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63 CLIENT_PRINT(("I2C AssignChanNum - on entry, iBaseChanNum = 0x%x\n",iBaseChanNumI2c)); |
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64 return iBaseChanNumI2c++; // Arbitrary, for illustration |
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65 } |
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66 |
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67 class DIicSlaveClientChan : public DBase |
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68 { |
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69 public: |
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70 DIicSlaveClientChan(DIicBusChannel* aChan, TInt8 aChanNum, TInt aChanType):iChan(aChan),iChanNumber(aChanNum),iChanType(aChanType){}; |
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71 ~DIicSlaveClientChan(); |
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72 TInt GetChanNum()const {return iChanNumber;}; |
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73 TInt GetChanType()const {return iChanType;}; |
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74 DIicBusChannel* GetChannelPtr(){return iChan;}; |
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75 private: |
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76 TInt8 iChanNumber; |
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77 TInt iChanType; |
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78 DIicBusChannel* iChan; |
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79 }; |
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80 |
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81 DIicSlaveClientChan::~DIicSlaveClientChan() |
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82 { |
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83 if(iChan) |
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84 delete iChan; |
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85 } |
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86 |
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87 #endif/*STANDALONE_CHANNEL*/ |
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88 |
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89 const TInt KIicSlaveClientThreadPriority = 24; |
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90 |
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91 const TInt KIicSlaveClientDfcPriority = 3; // 0 to 7, 7 is highest |
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92 |
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93 const TInt KMaxNumChannels = 2; // 1 "true" slave, one "dummy" |
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94 |
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95 #ifdef STANDALONE_CHANNEL |
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96 _LIT(KLddRootName,"iic_slaveclient_ctrless"); |
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97 #else |
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98 _LIT(KLddRootName,"iic_slaveclient"); |
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99 #endif |
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100 _LIT(KIicSlaveClientThreadName,"IicSlaveClientLddThread"); |
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101 |
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102 |
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103 struct TCapsIicSlaveClient |
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104 { |
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105 TVersion version; |
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106 }; |
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107 |
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108 |
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109 class DDeviceIicSlaveClient : public DLogicalDevice |
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110 { |
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111 public: |
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112 /** |
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113 * The constructor |
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114 */ |
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115 DDeviceIicSlaveClient(); |
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116 /** |
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117 * The destructor |
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118 */ |
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119 ~DDeviceIicSlaveClient(); |
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120 /** |
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121 * Second stage constructor - install the device |
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122 */ |
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123 virtual TInt Install(); |
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124 /** |
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125 * Get the Capabilites of the device |
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126 * @param aDes descriptor that will contain the returned capibilites |
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127 */ |
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128 virtual void GetCaps(TDes8 &aDes) const; |
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129 /** |
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130 * Create a logical channel to the device |
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131 */ |
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132 virtual TInt Create(DLogicalChannelBase*& aChannel); |
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133 }; |
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134 |
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135 |
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136 class DChannelIicSlaveClient : public DLogicalChannel |
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137 { |
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138 public: |
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139 DChannelIicSlaveClient(); |
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140 ~DChannelIicSlaveClient(); |
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141 |
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142 virtual TInt DoCreate(TInt aUnit, const TDesC8* aInfo, const TVersion& aVer); |
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143 |
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144 void RequestComplete(TInt r); |
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145 TInt CheckDataWritten(); |
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146 TInt CheckDataRead(); |
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147 |
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148 static void SlaveClientCallbackFunc(TInt aChannelId, TInt aReturn, TInt aTrigger, TInt16 aRxWords, TInt16 aTxWords, TAny* aParam); |
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149 #ifdef STANDALONE_CHANNEL |
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150 static TInt OrderEntries(const DIicSlaveClientChan& aMatch, const DIicSlaveClientChan& aEntry); |
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151 #endif |
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152 protected: |
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153 virtual void HandleMsg(TMessageBase* aMsg); // Note: this is a pure virtual in DLogicalChannel |
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154 |
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155 TInt DoControl(TInt aId, TAny* a1, TAny* a2); // Name for convenience! |
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156 TInt DoRequest(TInt aId, TRequestStatus* aStatus, TAny* a1, TAny* a2); // Name for convenience! |
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157 |
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158 private: |
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159 TInt InitSlaveClient(); |
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160 TInt CbProcessOverUnderRunRxTx(); |
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161 TInt RegisterRxBuffer(TInt aChannelId, TPtr8 aRxBuffer, TInt8 aBufGranularity, TInt8 aNumWords, TInt8 aOffset); |
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162 TInt SetNotificationTrigger(TInt aChannelId, TInt aTrigger); |
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163 TInt StaticExtension(TUint aId, TUint aFunction, TAny* aParam1, TAny* aParam2); |
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164 TInt RegisterTxBuffer(TInt aChannelId, TPtr8 aTxBuffer, TInt8 aBufGranularity, TInt8 aNumWords, TInt8 aOffset); |
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165 TInt CaptureChannel(TInt aBusId, TDes8* aConfigHdr, TIicBusSlaveCallback* aCallback, TInt& aChannelId, TBool aAsynch=NULL); |
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166 TInt ReleaseChannel(TInt aChannelId); |
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167 private: |
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168 TDynamicDfcQue* iDfcQue; |
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169 TIicBusSlaveCallback* iNotif; |
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170 |
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171 HBuf8* iConfigHdr; |
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172 TRequestStatus* iStatus; |
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173 |
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174 TUint8* iRxBuf; |
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175 TUint8* iTxBuf; |
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176 |
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177 TUint8* iBusTxCheckBuf; |
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178 |
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179 TInt8 iNumRegRxWords; |
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180 TInt8 iNumRegTxWords; |
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181 |
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182 TInt8 iTxRegGranularity; |
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183 TInt8 iTxRegOffset; |
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184 TInt8 iTxReqNumWords; |
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185 |
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186 TInt8 iRxRegGranularity; |
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187 TInt8 iRxRegOffset; |
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188 TInt8 iRxReqNumWords; |
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189 |
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190 TUint iBusId; |
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191 #ifdef STANDALONE_CHANNEL |
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192 // For some slave-channel-only functions,e.g. ReleaseChannel, RegisterRxBuffer, etc. |
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193 // the client needs to remember the slave channel that has been captured |
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194 struct TCapturedChannel |
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195 { |
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196 DIicSlaveClientChan* iChannel; |
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197 TInt iChannelId; |
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198 }; |
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199 TCapturedChannel iCapturedChan; |
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200 #endif |
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201 public: |
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202 DThread* iClient; |
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203 TInt iChannelId; // public to be accessible by callback |
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204 TInt* iClientChanId; |
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205 |
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206 TInt iExpectedTrigger; |
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207 TInt iFullDuplexReq; |
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208 TInt iBlockedTrigger; |
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209 |
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210 typedef enum TTestOverUnderState |
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211 { |
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212 EStartState = 0x1, |
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213 ERxOverrun_1, |
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214 ERxOverrun_2, |
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215 ETxUnderrun_1, |
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216 ETxUnderrun_2 |
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217 }; |
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218 TTestOverUnderState iTestOverUnderState; |
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219 }; |
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220 |
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221 DDeviceIicSlaveClient::DDeviceIicSlaveClient() |
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222 // Constructor |
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223 { |
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224 CLIENT_PRINT(("> DDeviceIicSlaveClient::DDeviceIicSlaveClient()")); |
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225 iParseMask=0; // No info, no PDD, no Units |
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226 iUnitsMask=0; |
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227 iVersion=TVersion(KIicClientMajorVersionNumber, |
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228 KIicClientMinorVersionNumber, |
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229 KIicClientBuildVersionNumber); |
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230 } |
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231 |
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232 #ifdef STANDALONE_CHANNEL |
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233 //Store all the channels created by the client into an array |
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234 RPointerArray<DIicSlaveClientChan> ChannelArray; |
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235 #endif |
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236 DDeviceIicSlaveClient::~DDeviceIicSlaveClient() |
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237 // Destructor |
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238 { |
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239 CLIENT_PRINT(("> DDeviceIicSlaveClient::~DDeviceIicSlaveClient()")); |
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240 #ifdef STANDALONE_CHANNEL |
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241 //The client is reponsible for channel destroy in STANDALONE_CHANNEL mode |
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242 ChannelArray.ResetAndDestroy(); |
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243 #endif |
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244 } |
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245 |
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246 TInt DDeviceIicSlaveClient::Install() |
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247 // Install the device driver. |
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248 { |
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249 CLIENT_PRINT(("> DDeviceIicSlaveClient::Install()")); |
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250 |
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251 return(SetName(&KLddRootName)); |
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252 } |
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253 |
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254 |
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255 void DDeviceIicSlaveClient::GetCaps(TDes8& aDes) const |
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256 // Return the IicClient capabilities. |
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257 { |
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258 CLIENT_PRINT(("> DDeviceIicSlaveClient::GetCaps(TDes8& aDes) const")); |
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259 TPckgBuf<TCapsIicSlaveClient> b; |
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260 b().version=TVersion(KIicClientMajorVersionNumber, |
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261 KIicClientMinorVersionNumber, |
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262 KIicClientBuildVersionNumber); |
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263 Kern::InfoCopy(aDes,b); |
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264 } |
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265 |
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266 |
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267 TInt DDeviceIicSlaveClient::Create(DLogicalChannelBase*& aChannel) |
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268 // Create a channel on the device. |
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269 { |
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270 CLIENT_PRINT(("> DDeviceIicSlaveClient::Create(DLogicalChannelBase*& aChannel)")); |
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271 if(iOpenChannels>=KMaxNumChannels) |
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272 return KErrOverflow; |
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273 aChannel=new DChannelIicSlaveClient; |
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274 return aChannel?KErrNone:KErrNoMemory; |
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275 } |
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276 |
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277 #ifdef STANDALONE_CHANNEL |
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278 // auxiliary function for ordering entries in the array of channels |
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279 TInt DChannelIicSlaveClient::OrderEntries(const DIicSlaveClientChan& aMatch, const DIicSlaveClientChan& aEntry) |
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280 { |
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281 TUint8 l=(TUint8)aMatch.GetChanNum(); |
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282 TUint8 r=(TUint8)aEntry.GetChanNum(); |
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283 if(l>r) |
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284 return -1; |
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285 else if(l<r) |
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286 return 1; |
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287 else |
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288 return 0; |
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289 } |
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290 |
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291 // global ordering object to be passed to RPointerArray InsertInOrderXXX and FindInOrder |
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292 TLinearOrder<DIicSlaveClientChan> EntryOrder(DChannelIicSlaveClient::OrderEntries); |
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293 |
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294 TInt GetChanPtr(const TInt aBusId, DIicSlaveClientChan*& aChan) |
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295 { |
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296 __KTRACE_OPT(KIIC, Kern::Printf("GetChanPtr, aBusId=0x%x\n",aBusId)); |
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297 TInt32 chanId; |
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298 chanId = GET_CHAN_NUM(aBusId); |
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299 __KTRACE_OPT(KIIC, Kern::Printf("GetChanPtr, chanId=0x%x\n",chanId)); |
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300 DIicSlaveClientChan chanEntry(NULL,(TInt8)chanId, DIicBusChannel::EMasterSlave); |
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301 |
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302 TInt r = KErrNotFound; |
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303 TInt aIndex = ChannelArray.FindInOrder(&chanEntry, EntryOrder); |
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304 |
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305 if(aIndex >= 0) |
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306 { |
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307 aChan = ChannelArray[aIndex]; |
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308 r = KErrNone; |
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309 } |
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310 |
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311 return r; |
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312 } |
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313 #endif/*STANDALONE_CHANNEL*/ |
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314 |
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315 DECLARE_STANDARD_LDD() |
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316 { |
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317 #ifdef STANDALONE_CHANNEL |
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318 TInt r = KErrNone; |
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319 DIicBusChannel *chan = NULL, *chanM = NULL, *chanS = NULL; |
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320 DIicSlaveClientChan* aSlaveClientChan; |
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321 for(TInt i=0; i<NUM_CHANNELS; i++) |
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322 { |
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323 CLIENT_PRINT(("\n")); |
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324 #if defined(MASTER_MODE) |
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325 if(CHANNEL_TYPE(i) == (DIicBusChannel::EMaster)) |
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326 { |
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327 chan=new DSimulatedIicBusChannelMasterI2c(BUS_TYPE,CHANNEL_DUPLEX(i)); |
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328 if(!chan) |
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329 { |
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330 CLIENT_PRINT(("\n\nI2C: Channel of type (%d) not created for index %d\n\n",CHANNEL_TYPE(i),i)); |
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331 return NULL; |
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332 } |
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333 CLIENT_PRINT(("I2C chan created at 0x%x\n",chan)); |
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334 if(((DSimulatedIicBusChannelMasterI2c*)chan)->Create()!=KErrNone) |
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335 { |
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336 delete chan; |
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337 return NULL; |
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338 } |
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339 aSlaveClientChan = new DIicSlaveClientChan(chan,AssignChanNumI2c(),DIicBusChannel::EMaster); |
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340 if(!aSlaveClientChan) |
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341 { |
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342 delete chan; |
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343 return NULL; |
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344 } |
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345 r = ChannelArray.InsertInOrder(aSlaveClientChan,EntryOrder); |
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346 if(r!=KErrNone) |
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347 { |
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348 delete chan; |
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349 delete aSlaveClientChan; |
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350 break; |
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351 } |
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352 } |
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353 #endif |
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354 #if defined(MASTER_MODE) && defined(SLAVE_MODE) |
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355 if(CHANNEL_TYPE(i) == DIicBusChannel::EMasterSlave) |
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356 { |
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357 chanM=new DSimulatedIicBusChannelMasterI2c(BUS_TYPE,CHANNEL_DUPLEX(i)); |
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358 if(!chanM) |
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359 return NULL; |
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360 chanS=new DSimulatedIicBusChannelSlaveI2c(BUS_TYPE,CHANNEL_DUPLEX(i)); |
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361 if(!chanS) |
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362 { |
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363 delete chanM; |
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364 return NULL; |
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365 } |
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366 chan=new DSimulatedIicBusChannelMasterSlaveI2c(BUS_TYPE,CHANNEL_DUPLEX(i),(DSimulatedIicBusChannelMasterI2c*)chanM,(DSimulatedIicBusChannelSlaveI2c*)chanS); // Generic implementation |
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367 if(!chan) |
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368 { |
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369 CLIENT_PRINT(("\n\nI2C: Channel of type (%d) not created for index %d\n\n",CHANNEL_TYPE(i),i)); |
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370 delete chanM; |
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371 delete chanS; |
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372 return NULL; |
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373 } |
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374 CLIENT_PRINT(("I2C chan created at 0x%x\n",chan)); |
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375 if(((DIicBusChannelMasterSlave*)chan)->DoCreate()!=KErrNone) |
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376 { |
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377 delete chanM; |
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378 delete chanS; |
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379 delete chan; |
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380 return NULL; |
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381 } |
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382 aSlaveClientChan = new DIicSlaveClientChan(chan,AssignChanNumI2c(),DIicBusChannel::EMasterSlave); |
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383 if(!aSlaveClientChan) |
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384 { |
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385 delete chanM; |
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386 delete chanS; |
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387 delete chan; |
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388 return NULL; |
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389 } |
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390 r = ChannelArray.InsertInOrder(aSlaveClientChan,EntryOrder); |
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391 if(r!=KErrNone) |
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392 { |
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393 delete chanM; |
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394 delete chanS; |
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395 delete chan; |
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396 delete aSlaveClientChan; |
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397 break; |
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398 } |
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399 } |
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400 #endif |
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401 #if defined(SLAVE_MODE) |
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402 if(CHANNEL_TYPE(i) == (DIicBusChannel::ESlave)) |
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403 { |
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404 chan=new DSimulatedIicBusChannelSlaveI2c(BUS_TYPE,CHANNEL_DUPLEX(i)); |
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405 if(!chan) |
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406 { |
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407 CLIENT_PRINT(("\n\nI2C: Channel of type (%d) not created for index %d\n\n",CHANNEL_TYPE(i),i)); |
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408 return NULL; |
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409 } |
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410 CLIENT_PRINT(("I2C chan created at 0x%x\n",chan)); |
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411 if(((DSimulatedIicBusChannelSlaveI2c*)chan)->Create()!=KErrNone) |
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412 return NULL; |
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413 aSlaveClientChan = new DIicSlaveClientChan(chan,AssignChanNumI2c(),DIicBusChannel::ESlave); |
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414 if(!aSlaveClientChan) |
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415 { |
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416 delete chan; |
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417 return NULL; |
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418 } |
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419 r = ChannelArray.InsertInOrder(aSlaveClientChan,EntryOrder); |
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420 if(r!=KErrNone) |
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421 { |
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422 delete chan; |
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423 delete aSlaveClientChan; |
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424 break; |
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425 } |
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426 } |
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427 #endif |
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428 #if !defined(MASTER_MODE) && !defined(SLAVE_MODE) |
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429 #error I2C mode not defined as Master, Slave nor Master-Slave |
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430 #endif |
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431 } |
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432 #endif |
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433 return new DDeviceIicSlaveClient; |
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434 } |
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435 |
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436 |
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437 |
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438 DChannelIicSlaveClient::DChannelIicSlaveClient() |
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439 // Constructor |
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440 { |
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441 iFullDuplexReq=iBlockedTrigger=iExpectedTrigger=0; |
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442 CLIENT_PRINT(("> DChannelIicSlaveClient::DChannelIicSlaveClient()")); |
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443 iClient=&Kern::CurrentThread(); |
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444 // Increase the DThread's ref count so that it does not close without us |
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445 iClient->Open(); |
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446 iTestOverUnderState = EStartState; |
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447 } |
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448 |
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449 DChannelIicSlaveClient::~DChannelIicSlaveClient() |
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450 // Destructor |
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451 { |
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452 CLIENT_PRINT(("> DChannelIicSlaveClient::~DChannelIicSlaveClient()")); |
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453 iDfcQue->Destroy(); |
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454 delete iNotif; |
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455 delete iRxBuf; |
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456 delete iTxBuf; |
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457 delete iBusTxCheckBuf; |
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458 // decrement the DThread's reference count |
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459 Kern::SafeClose((DObject*&)iClient, NULL); |
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460 } |
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461 |
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462 void DChannelIicSlaveClient::RequestComplete(TInt r) |
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463 { |
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464 Kern::RequestComplete(iClient, iStatus, r); |
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465 } |
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466 |
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467 TInt DChannelIicSlaveClient::RegisterRxBuffer(TInt aChannelId, TPtr8 aRxBuffer, TInt8 aBufGranularity, TInt8 aNumWords, TInt8 aOffset) |
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468 { |
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469 TInt r = KErrNone; |
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470 #ifdef STANDALONE_CHANNEL |
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471 DIicSlaveClientChan* aChanPtr = NULL; |
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472 if(iCapturedChan.iChannelId == aChannelId) |
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473 aChanPtr = iCapturedChan.iChannel; |
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474 if(!aChanPtr) |
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475 return KErrArgument; |
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476 if(aChanPtr->GetChanType() == DIicBusChannel::EMasterSlave) |
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477 r = ((DIicBusChannelMasterSlave*)(aChanPtr->GetChannelPtr()))->RegisterRxBuffer(aRxBuffer, aBufGranularity, aNumWords, aOffset); |
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478 else if(aChanPtr->GetChanType() == DIicBusChannel::ESlave) |
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479 r = ((DIicBusChannelSlave*)(aChanPtr->GetChannelPtr()))->RegisterRxBuffer(aRxBuffer, aBufGranularity, aNumWords, aOffset); |
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480 #else |
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481 r = IicBus::RegisterRxBuffer(aChannelId, aRxBuffer, aBufGranularity, aNumWords, aOffset); |
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482 #endif |
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483 return r; |
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484 } |
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485 |
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486 TInt DChannelIicSlaveClient::SetNotificationTrigger(TInt aChannelId, TInt aTrigger) |
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487 { |
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488 TInt r = KErrNone; |
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489 #ifdef STANDALONE_CHANNEL |
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490 DIicSlaveClientChan* aChanPtr = NULL; |
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491 if(iCapturedChan.iChannelId == aChannelId) |
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492 aChanPtr = iCapturedChan.iChannel; |
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493 if(!aChanPtr) |
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494 return KErrArgument; |
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495 if(aChanPtr->GetChanType() == DIicBusChannel::EMasterSlave) |
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496 r = ((DIicBusChannelMasterSlave*)(aChanPtr->GetChannelPtr()))->SetNotificationTrigger(aTrigger); |
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497 else if(aChanPtr->GetChanType() == DIicBusChannel::ESlave) |
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498 r = ((DIicBusChannelSlave*)(aChanPtr->GetChannelPtr()))->SetNotificationTrigger(aTrigger); |
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499 #else |
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500 r = IicBus::SetNotificationTrigger(aChannelId, aTrigger); |
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501 #endif |
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502 return r; |
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503 } |
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504 |
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505 TInt DChannelIicSlaveClient::StaticExtension(TUint aId, TUint aFunction, TAny* aParam1, TAny* aParam2) |
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506 { |
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507 TInt r = KErrNone; |
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508 #ifdef STANDALONE_CHANNEL |
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509 DIicSlaveClientChan* aChanPtr; |
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510 r = GetChanPtr(aId, aChanPtr); |
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511 if(r != KErrNone) |
|
512 return r; |
|
513 if(!aChanPtr) |
|
514 return KErrArgument; |
|
515 if(aChanPtr->GetChanType() == DIicBusChannel::EMasterSlave) |
|
516 r = ((DIicBusChannelMasterSlave*)(aChanPtr->GetChannelPtr()))->StaticExtension(aFunction, aParam1, aParam2); |
|
517 else if(aChanPtr->GetChanType() == DIicBusChannel::ESlave) |
|
518 r = ((DIicBusChannelSlave*)(aChanPtr->GetChannelPtr()))->StaticExtension(aFunction, aParam1, aParam2); |
|
519 #else |
|
520 r = IicBus::StaticExtension(aId, aFunction, aParam1, aParam2); |
|
521 #endif |
|
522 return r; |
|
523 } |
|
524 |
|
525 TInt DChannelIicSlaveClient::RegisterTxBuffer(TInt aChannelId, TPtr8 aTxBuffer, TInt8 aBufGranularity, TInt8 aNumWords, TInt8 aOffset) |
|
526 { |
|
527 TInt r = KErrNone; |
|
528 #ifdef STANDALONE_CHANNEL |
|
529 DIicSlaveClientChan* aChanPtr = NULL; |
|
530 if(iCapturedChan.iChannelId == aChannelId) |
|
531 aChanPtr = iCapturedChan.iChannel; |
|
532 if(!aChanPtr) |
|
533 return KErrArgument; |
|
534 if(aChanPtr->GetChanType() == DIicBusChannel::EMasterSlave) |
|
535 r = ((DIicBusChannelMasterSlave*)(aChanPtr->GetChannelPtr()))->RegisterTxBuffer(aTxBuffer, aBufGranularity, aNumWords, aOffset); |
|
536 else if(aChanPtr->GetChanType() == DIicBusChannel::ESlave) |
|
537 r = ((DIicBusChannelSlave*)(aChanPtr->GetChannelPtr()))->RegisterTxBuffer(aTxBuffer, aBufGranularity, aNumWords, aOffset); |
|
538 #else |
|
539 r = IicBus::RegisterTxBuffer(aChannelId, aTxBuffer, aBufGranularity, aNumWords, aOffset); |
|
540 #endif |
|
541 return r; |
|
542 } |
|
543 |
|
544 TInt DChannelIicSlaveClient::CaptureChannel(TInt aBusId, TDes8* aConfigHdr, TIicBusSlaveCallback* aCallback, TInt& aChannelId, TBool aAsynch) |
|
545 { |
|
546 TInt r = KErrNone; |
|
547 #ifndef STANDALONE_CHANNEL |
|
548 r = IicBus::CaptureChannel(aBusId, aConfigHdr, aCallback, aChannelId, aAsynch); |
|
549 #else |
|
550 // Check that that aCallback!=NULL and aConfigHdr!=NULL - if not, return KErrArgument |
|
551 if(!aCallback || !aConfigHdr) |
|
552 { |
|
553 return KErrArgument; |
|
554 } |
|
555 |
|
556 // Get the channel |
|
557 DIicSlaveClientChan* chanPtr = NULL; |
|
558 if(r == KErrNone) |
|
559 { |
|
560 r = GetChanPtr(aBusId, chanPtr); |
|
561 if(r == KErrNone) |
|
562 { |
|
563 if(!chanPtr) |
|
564 { |
|
565 r = KErrArgument; |
|
566 } |
|
567 else |
|
568 { |
|
569 switch(chanPtr->GetChanType()) |
|
570 { |
|
571 // CaptureChannel requests are only supported by channels in Slave mode. |
|
572 case DIicBusChannel::EMaster: |
|
573 { |
|
574 r = KErrNotSupported; |
|
575 break; |
|
576 } |
|
577 case DIicBusChannel::EMasterSlave: |
|
578 { |
|
579 r = ((DIicBusChannelMasterSlave*) (chanPtr->GetChannelPtr()))->CaptureChannel(aConfigHdr, aCallback, aChannelId, aAsynch); |
|
580 break; |
|
581 } |
|
582 case DIicBusChannel::ESlave: |
|
583 { |
|
584 r = ((DIicBusChannelSlave*) (chanPtr->GetChannelPtr()))->CaptureChannel(aConfigHdr, aCallback, aChannelId, aAsynch); |
|
585 break; |
|
586 } |
|
587 default: |
|
588 { |
|
589 r = KErrArgument; |
|
590 } |
|
591 } |
|
592 // For synchronous capture, if successful then install the channel |
|
593 if(r == KErrNone) |
|
594 { |
|
595 if(!aAsynch) |
|
596 { |
|
597 iCapturedChan.iChannel = chanPtr; |
|
598 iCapturedChan.iChannelId = aChannelId; |
|
599 } |
|
600 else |
|
601 //For asynchronous capture, record slaveChanPtr, if later failed capture, |
|
602 //clean iCapturedChannel in client's callback. |
|
603 iCapturedChan.iChannel = chanPtr; |
|
604 } |
|
605 } |
|
606 } |
|
607 } |
|
608 #endif |
|
609 return r; |
|
610 } |
|
611 |
|
612 TInt DChannelIicSlaveClient::ReleaseChannel(TInt aChannelId) |
|
613 { |
|
614 TInt r = KErrNone; |
|
615 #ifndef STANDALONE_CHANNEL |
|
616 r = IicBus::ReleaseChannel(aChannelId); |
|
617 #else |
|
618 __KTRACE_OPT(KIIC, Kern::Printf("DChannelIicSlaveClient::ReleaseChannel, channelID = 0x%x \n",aChannelId)); |
|
619 // Acquire the pointer to the Slave Channel |
|
620 if(iCapturedChan.iChannelId != aChannelId) |
|
621 return KErrNotFound; |
|
622 |
|
623 if((iCapturedChan.iChannel)->GetChanType() == DIicBusChannel::EMasterSlave) |
|
624 r = ((DIicBusChannelMasterSlave*)((iCapturedChan.iChannel)->GetChannelPtr()))->ReleaseChannel(); |
|
625 else if((iCapturedChan.iChannel)->GetChanType() == DIicBusChannel::ESlave) |
|
626 r = ((DIicBusChannelSlave*)((iCapturedChan.iChannel)->GetChannelPtr()))->ReleaseChannel(); |
|
627 //After release channel, reset iCapturedChan |
|
628 iCapturedChan.iChannel = NULL; |
|
629 iCapturedChan.iChannelId = 0; |
|
630 #endif |
|
631 return r; |
|
632 } |
|
633 TInt DChannelIicSlaveClient::CbProcessOverUnderRunRxTx() |
|
634 { |
|
635 CLIENT_PRINT(("> DChannelIicSlaveClient::CbProcessOverUnderRunRxTx(), iTestOverUnderState=%d\n",iTestOverUnderState)); |
|
636 TInt r = KErrNone; |
|
637 switch (iTestOverUnderState) |
|
638 { |
|
639 case(EStartState): |
|
640 { |
|
641 // In this state, no action is required |
|
642 break; |
|
643 }; |
|
644 case(ERxOverrun_1): |
|
645 { |
|
646 CLIENT_PRINT(("CbProcessOverUnderRunRxTx: entry state = ERxOverrun_1\n")); |
|
647 // At this point, the outstanding request trigger should be ETxAllBytes | ETxUnderrun |
|
648 // and the flag to indicate duplex transfers should be cleared |
|
649 if((iExpectedTrigger != (ETxAllBytes | ETxUnderrun)) || (iFullDuplexReq != ETxAllBytes)) |
|
650 { |
|
651 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx, iExpectedTrigger=0x%x, iFullDuplexReq=%d\n",iExpectedTrigger,iFullDuplexReq)); |
|
652 r=KErrGeneral; |
|
653 } |
|
654 else |
|
655 { |
|
656 // Simulate providing a new buffer (actually, re-use existing buffer) |
|
657 CLIENT_PRINT(("CbProcessOverUnderRunRxTx: invoking RegisterRxBuffer\n")); |
|
658 TPtr8 rxPtr(iRxBuf,KRxBufSizeInBytes); |
|
659 r = RegisterRxBuffer(iChannelId, rxPtr, iRxRegGranularity, iNumRegRxWords, iRxRegOffset); |
|
660 |
|
661 if(r != KErrNone) |
|
662 { |
|
663 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx - RegisterRxBuffer returned %d\n",r)); |
|
664 } |
|
665 else |
|
666 { |
|
667 // For the next step, just specify the new Rx triggers (do not specify Tx triggers) |
|
668 r = SetNotificationTrigger(iChannelId, (ERxAllBytes | ERxOverrun)); |
|
669 if(r != KErrNone) |
|
670 { |
|
671 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx - SetNotificationTrigger returned %d\n",r)); |
|
672 } |
|
673 else |
|
674 { |
|
675 iExpectedTrigger = ERxAllBytes | ERxOverrun | ETxAllBytes | ETxUnderrun; |
|
676 iFullDuplexReq |= (ERxAllBytes|ETxAllBytes); |
|
677 iTestOverUnderState = ERxOverrun_2; // Prepare for callback |
|
678 // The requested number of words when the buffer was registered was 8, so simulate 10 |
|
679 // to provoke an RxOverrun event. |
|
680 TInt numWords=10; |
|
681 // To support testing, any values of aId for StaticExtension must be shifted left one place |
|
682 // and for a Slave, the two msbs must be zero |
|
683 TInt ctrlIoVal = RBusDevIicClient::ECtrlIoRxWords; |
|
684 ctrlIoVal = (ctrlIoVal << 1) & 0x3FFFFFFF; |
|
685 r = StaticExtension(iBusId, ctrlIoVal, (TAny*)iChannelId, (TAny*)numWords); |
|
686 } |
|
687 } |
|
688 } |
|
689 break; |
|
690 }; |
|
691 case(ERxOverrun_2): |
|
692 { |
|
693 CLIENT_PRINT(("CbProcessOverUnderRunRxTx: entry state = ERxOverrun_2\n")); |
|
694 // At this point, the outstanding request trigger should be ETxAllBytes | ETxUnderrun |
|
695 // and the flag to indicate duplex transfers should be cleared |
|
696 if((iExpectedTrigger != (ETxAllBytes | ETxUnderrun)) || (iFullDuplexReq != ETxAllBytes)) |
|
697 { |
|
698 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx, iExpectedTrigger=0x%x, iFullDuplexReq=%d\n",iExpectedTrigger,iFullDuplexReq)); |
|
699 r=KErrGeneral; |
|
700 } |
|
701 else |
|
702 { |
|
703 // Simulate providing a new buffer (actually, re-use existing buffer) |
|
704 CLIENT_PRINT(("CbProcessOverUnderRunRxTx: invoking RegisterRxBuffer\n")); |
|
705 TPtr8 rxPtr(iRxBuf,KRxBufSizeInBytes); |
|
706 r = RegisterRxBuffer(iChannelId, rxPtr, iRxRegGranularity, iNumRegRxWords, iRxRegOffset); |
|
707 if(r != KErrNone) |
|
708 { |
|
709 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx - RegisterRxBuffer returned %d\n",r)); |
|
710 } |
|
711 else |
|
712 { |
|
713 // Test that an attempt to modify existing Tx notification requests is rejected |
|
714 r = SetNotificationTrigger(iChannelId, (ERxAllBytes | ERxOverrun | ETxAllBytes | ETxOverrun)); |
|
715 if(r != KErrInUse) |
|
716 { |
|
717 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx - SetNotificationTrigger returned %d, expected KErrInUse\n",r)); |
|
718 } |
|
719 else |
|
720 { |
|
721 // For the next step, specify the new Rx triggers and the Tx triggers |
|
722 r = SetNotificationTrigger(iChannelId, (ERxAllBytes | ERxOverrun | ETxAllBytes | ETxUnderrun)); |
|
723 if(r != KErrNone) |
|
724 { |
|
725 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx - SetNotificationTrigger returned %d, expected KErrNone\n",r)); |
|
726 } |
|
727 else |
|
728 { |
|
729 iExpectedTrigger = ERxAllBytes | ERxOverrun | ETxAllBytes | ETxUnderrun; |
|
730 iFullDuplexReq |= (ERxAllBytes|ETxAllBytes); |
|
731 iTestOverUnderState = ETxUnderrun_1; // Prepare for callback |
|
732 // The requested number of words when the buffer was registered was 12, so simulate 14 |
|
733 // to provoke an TxUnderrun event. |
|
734 TInt numWords=14; |
|
735 // To support testing, any values of aId for StaticExtension must be shifted left one place |
|
736 // and for a Slave, the two msbs must be zero |
|
737 TInt ctrlIoVal = RBusDevIicClient::ECtrlIoTxWords; |
|
738 ctrlIoVal = (ctrlIoVal << 1) & 0x3FFFFFFF; |
|
739 r = StaticExtension(iBusId, ctrlIoVal, (TAny*)iChannelId, (TAny*)numWords); |
|
740 } |
|
741 } |
|
742 } |
|
743 } |
|
744 break; |
|
745 }; |
|
746 case(ETxUnderrun_1): |
|
747 { |
|
748 CLIENT_PRINT(("CbProcessOverUnderRunRxTx: entry state = ETxOverrun_1\n")); |
|
749 // At this point, the outstanding request trigger should be ERxAllBytes | ERxOverrun |
|
750 // and the flag to indicate duplex transfers should be cleared |
|
751 if((iExpectedTrigger != (ERxAllBytes | ERxOverrun)) || (iFullDuplexReq != ERxAllBytes)) |
|
752 { |
|
753 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx, iExpectedTrigger=0x%x, iFullDuplexReq=%d\n",iExpectedTrigger,iFullDuplexReq)); |
|
754 r=KErrGeneral; |
|
755 } |
|
756 else |
|
757 { |
|
758 // Simulate providing a new buffer (actually, re-use existing buffer) |
|
759 CLIENT_PRINT(("CbProcessOverUnderRunRxTx: invoking RegisterTxBuffer\n")); |
|
760 TPtr8 rxPtr(iTxBuf,KTxBufSizeInBytes); |
|
761 r = RegisterTxBuffer(iChannelId, rxPtr, iTxRegGranularity, iNumRegTxWords, iTxRegOffset); |
|
762 if(r != KErrNone) |
|
763 { |
|
764 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx - RegisterTxBuffer returned %d\n",r)); |
|
765 } |
|
766 else |
|
767 { |
|
768 // For the next step, just specify the new Tx triggers (do not specify Rx triggers) |
|
769 r = SetNotificationTrigger(iChannelId, (ETxAllBytes | ETxUnderrun)); |
|
770 if(r != KErrNone) |
|
771 { |
|
772 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx - SetNotificationTrigger returned %d\n",r)); |
|
773 } |
|
774 else |
|
775 { |
|
776 iExpectedTrigger = ERxAllBytes | ERxOverrun | ETxAllBytes | ETxUnderrun; |
|
777 iFullDuplexReq |= (ERxAllBytes|ETxAllBytes); |
|
778 iTestOverUnderState = ETxUnderrun_2; // Prepare for callback |
|
779 // The requested number of words when the buffer was registered was 12, so simulate 14 |
|
780 // to provoke an TxUnderrun event. |
|
781 TInt numWords=14; |
|
782 // To support testing, any values of aId for StaticExtension must be shifted left one place |
|
783 // and for a Slave, the two msbs must be zero |
|
784 TInt ctrlIoVal = RBusDevIicClient::ECtrlIoTxWords; |
|
785 ctrlIoVal = (ctrlIoVal << 1) & 0x3FFFFFFF; |
|
786 r = StaticExtension(iBusId, ctrlIoVal, (TAny*)iChannelId, (TAny*)numWords); |
|
787 } |
|
788 } |
|
789 } |
|
790 break; |
|
791 }; |
|
792 case(ETxUnderrun_2): |
|
793 { |
|
794 CLIENT_PRINT(("CbProcessOverUnderRunRxTx: entry state = ETxUnderrun_2\n")); |
|
795 // At this point, the outstanding request trigger should be ERxAllBytes | ERxOverrun |
|
796 // and the flag to indicate duplex transfers should be cleared |
|
797 if((iExpectedTrigger != (ERxAllBytes | ERxOverrun)) || (iFullDuplexReq != ERxAllBytes)) |
|
798 { |
|
799 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx, iExpectedTrigger=0x%x, iFullDuplexReq=%d\n",iExpectedTrigger,iFullDuplexReq)); |
|
800 r=KErrGeneral; |
|
801 } |
|
802 else |
|
803 { |
|
804 // Simulate providing a new buffer (actually, re-use existing buffer) |
|
805 CLIENT_PRINT(("CbProcessOverUnderRunRxTx: invoking RegisterRxBuffer\n")); |
|
806 TPtr8 rxPtr(iTxBuf,KTxBufSizeInBytes); |
|
807 r = RegisterTxBuffer(iChannelId, rxPtr, iTxRegGranularity, iNumRegTxWords, iTxRegOffset); |
|
808 if(r != KErrNone) |
|
809 { |
|
810 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx - RegisterTxBuffer returned %d\n",r)); |
|
811 } |
|
812 else |
|
813 { |
|
814 // Test that an attempt to modify existing Rx notification requests is rejected |
|
815 r = SetNotificationTrigger(iChannelId, (ERxAllBytes | ERxUnderrun | ETxAllBytes | ETxUnderrun)); |
|
816 if(r != KErrInUse) |
|
817 { |
|
818 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx - SetNotificationTrigger returned %d, expected KErrInUse\n",r)); |
|
819 } |
|
820 else |
|
821 { |
|
822 // For the next step, specify the new Rx triggers and the Tx triggers |
|
823 r = SetNotificationTrigger(iChannelId, (ERxAllBytes | ERxOverrun | ETxAllBytes | ETxUnderrun)); |
|
824 |
|
825 if(r != KErrNone) |
|
826 { |
|
827 CLIENT_PRINT(("Error: CbProcessOverUnderRunRxTx - SetNotificationTrigger returned %d, expected KErrNone\n",r)); |
|
828 } |
|
829 else |
|
830 { |
|
831 // Simulate a simultaneous ERxAllBytes and ETxAllBytes event. |
|
832 iExpectedTrigger = ERxAllBytes | ETxAllBytes; |
|
833 iFullDuplexReq |= (ERxAllBytes|ETxAllBytes); |
|
834 iTestOverUnderState = EStartState; // Prepare for callback - return to normal operation |
|
835 // Need to pass the number of words in an array, for use by StaticExtension |
|
836 TInt parms[2]; |
|
837 parms[0]= 8; // Number of Rx Words |
|
838 parms[1]=12; // Number of Tx Words |
|
839 // To support testing, any values of aId for StaticExtension must be shifted left one place |
|
840 // and for a Slave, the two msbs must be zero |
|
841 TInt ctrlIoVal = RBusDevIicClient::ECtrlIoRxTxWords; |
|
842 ctrlIoVal = (ctrlIoVal << 1) & 0x3FFFFFFF; |
|
843 r = StaticExtension(iBusId, ctrlIoVal, (TAny*)iChannelId, (TAny*)(&parms[0])); |
|
844 } |
|
845 } |
|
846 } |
|
847 } |
|
848 break; |
|
849 }; |
|
850 default: |
|
851 { |
|
852 r = KErrGeneral; |
|
853 break; |
|
854 }; |
|
855 } |
|
856 return r; |
|
857 } |
|
858 |
|
859 void DChannelIicSlaveClient::SlaveClientCallbackFunc(TInt aChannelId, TInt aReturn, TInt aTrigger, TInt16 aRxWords, TInt16 aTxWords, TAny* aParam) |
|
860 { |
|
861 CLIENT_PRINT(("> SlaveClientCallbackFunc() - aChannelId=0x%x,aReturn=%d,aTrigger=0x%x,aRxWords=0x%x,aTxWords=0x%x,aParam=0x%x\n",aChannelId,aReturn,aTrigger,aRxWords,aTxWords,aParam)); |
|
862 (void)aTxWords; // Unused if CLIENT_PRINT is undefined |
|
863 (void)aRxWords; // Unused if CLIENT_PRINT is undefined |
|
864 DChannelIicSlaveClient* channel = (DChannelIicSlaveClient*)aParam; |
|
865 |
|
866 // Ensure only the valid bits of aTrigger are processed |
|
867 aTrigger &= 0xff; |
|
868 |
|
869 CLIENT_PRINT(("SlaveClientCallbackFunc() - channel=0x%x\n",channel)); |
|
870 if(aTrigger == EAsyncCaptChan) |
|
871 { |
|
872 CLIENT_PRINT(("SlaveClientCallbackFunc: capture channel completed\n")); |
|
873 // Set iChannelId, and write to user-side variable. |
|
874 channel->iChannelId=aChannelId; |
|
875 TInt r=Kern::ThreadRawWrite(channel->iClient,channel->iClientChanId,&aChannelId,sizeof(TInt)); |
|
876 if(r == KErrNone) |
|
877 r=aReturn; |
|
878 #ifdef STANDALONE_CHANNEL |
|
879 // Set the captured channel's iChannelId if the capture succeeds. |
|
880 if(r != KErrCompletion) |
|
881 (channel->iCapturedChan).iChannel = NULL; |
|
882 else |
|
883 (channel->iCapturedChan).iChannelId = aChannelId; |
|
884 #endif/*STANDALONE_CHANNEL*/ |
|
885 channel->RequestComplete(r); // Inform user of error |
|
886 return; |
|
887 } |
|
888 else |
|
889 { |
|
890 if(aTrigger&ERxAllBytes) |
|
891 { |
|
892 CLIENT_PRINT(("SlaveClientCallbackFunc() - ERxAllBytes\n")); |
|
893 aTrigger&= ~ERxAllBytes; |
|
894 channel->iExpectedTrigger&=~ERxAllBytes; |
|
895 channel->iFullDuplexReq&=~ERxAllBytes; |
|
896 aReturn=channel->CheckDataRead(); |
|
897 // Check underrun |
|
898 if(aTrigger&ERxUnderrun) |
|
899 { |
|
900 if(channel->iExpectedTrigger&ERxUnderrun) |
|
901 { |
|
902 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - expected ERxUnderrun found OK\n\n")); |
|
903 channel->iExpectedTrigger&=~ERxUnderrun; |
|
904 } |
|
905 else |
|
906 { |
|
907 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - unexpected ERxUnderrun indicated\n\n")); |
|
908 aReturn = KErrGeneral; |
|
909 } |
|
910 } |
|
911 else |
|
912 { |
|
913 if(channel->iExpectedTrigger&ERxUnderrun) |
|
914 { |
|
915 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - expected ERxUnderrun not (yet) seen\n\n")); |
|
916 aReturn = KErrGeneral; |
|
917 } |
|
918 } |
|
919 // Check overrun |
|
920 if(aTrigger&ERxOverrun) |
|
921 { |
|
922 if(channel->iExpectedTrigger&ERxOverrun) |
|
923 { |
|
924 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - expected ERxOverrun found OK\n\n")); |
|
925 channel->iExpectedTrigger&=~ERxOverrun; |
|
926 } |
|
927 else |
|
928 { |
|
929 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - unexpected ERxOverrun indicated\n\n")); |
|
930 aReturn = KErrGeneral; |
|
931 } |
|
932 } |
|
933 else |
|
934 { |
|
935 if(channel->iExpectedTrigger&ERxOverrun) |
|
936 { |
|
937 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - expected ERxOverrun not (yet) seen\n\n")); |
|
938 aReturn = KErrGeneral; |
|
939 } |
|
940 } |
|
941 } |
|
942 |
|
943 if(aTrigger&ETxAllBytes) |
|
944 { |
|
945 CLIENT_PRINT(("SlaveClientCallbackFunc() - ETxAllBytes\n")); |
|
946 aTrigger&= ~ETxAllBytes; |
|
947 channel->iExpectedTrigger&=~ETxAllBytes; |
|
948 channel->iFullDuplexReq&=~ETxAllBytes; |
|
949 aReturn=channel->CheckDataWritten(); |
|
950 // Check underrun |
|
951 if(aTrigger&ETxUnderrun) |
|
952 { |
|
953 if(channel->iExpectedTrigger&ETxUnderrun) |
|
954 { |
|
955 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - expected ETxUnderrun found OK\n\n")); |
|
956 channel->iExpectedTrigger&=~ETxUnderrun; |
|
957 } |
|
958 else |
|
959 { |
|
960 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - unexpected ETxUnderrun indicated\n\n")); |
|
961 aReturn = KErrGeneral; |
|
962 } |
|
963 } |
|
964 else |
|
965 { |
|
966 if(channel->iExpectedTrigger&ETxUnderrun) |
|
967 { |
|
968 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - expected ETxUnderrun not (yet) seen\n\n")); |
|
969 aReturn = KErrGeneral; |
|
970 } |
|
971 } |
|
972 // Check overrun |
|
973 if(aTrigger&ETxOverrun) |
|
974 { |
|
975 if(channel->iExpectedTrigger&ETxOverrun) |
|
976 { |
|
977 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - expected ETxOverrun found OK\n\n")); |
|
978 channel->iExpectedTrigger&=~ETxOverrun; |
|
979 } |
|
980 else |
|
981 { |
|
982 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - unexpected ETxOverrun indicated\n\n")); |
|
983 aReturn = KErrGeneral; |
|
984 } |
|
985 } |
|
986 else |
|
987 { |
|
988 if(channel->iExpectedTrigger&ETxOverrun) |
|
989 { |
|
990 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - expected ETxOverrun not (yet) seen\n\n")); |
|
991 aReturn = KErrGeneral; |
|
992 } |
|
993 } |
|
994 } |
|
995 |
|
996 |
|
997 if(aTrigger&EGeneralBusError) |
|
998 { |
|
999 if(channel->iExpectedTrigger&EGeneralBusError) |
|
1000 { |
|
1001 CLIENT_PRINT(("\nSlaveClientCallbackFunc: EGeneralBusError - as expected\n\n")); |
|
1002 channel->iExpectedTrigger&=~EGeneralBusError; |
|
1003 if(aReturn == KErrGeneral) |
|
1004 { |
|
1005 aReturn=KErrNone; // If aReturn==KErrGeneral, set to KErrNone so t_iic knows test was successful |
|
1006 channel->iFullDuplexReq = 0; // The transaction is considered terminated, so don't wait for more triggers |
|
1007 } |
|
1008 else |
|
1009 { |
|
1010 CLIENT_PRINT(("\nSlaveClientCallbackFunc: aReturn not EGeneralBusError, =0x%x \n\n",aReturn)); |
|
1011 aReturn=KErrGeneral; |
|
1012 } |
|
1013 |
|
1014 } |
|
1015 else |
|
1016 { |
|
1017 CLIENT_PRINT(("\nSlaveClientCallbackFunc() - unexpected EGeneralBusError indicated\n\n")); |
|
1018 aReturn = KErrGeneral; |
|
1019 } |
|
1020 } |
|
1021 |
|
1022 if((aTrigger < 0)||(aTrigger & (~0xFF))) |
|
1023 { |
|
1024 CLIENT_PRINT(("\nSlaveClientCallbackFunc: trigger condition 0x%x is not recognised \n\n",aTrigger)); |
|
1025 } |
|
1026 |
|
1027 // For simulataneous Rx,Tx triggers with ERxOverrun or TxUnderrun testing, need to call the following |
|
1028 if(aReturn == KErrNone) |
|
1029 { |
|
1030 aReturn = channel->CbProcessOverUnderRunRxTx(); |
|
1031 } |
|
1032 |
|
1033 if((channel->iExpectedTrigger == 0)&&(channel->iFullDuplexReq == 0)) |
|
1034 channel->RequestComplete(aReturn); // Complete user-side request only if all the triggers have been satisfied |
|
1035 |
|
1036 } // if(aTrigger == EAsyncCaptChan) |
|
1037 } |
|
1038 |
|
1039 |
|
1040 TInt DChannelIicSlaveClient::CheckDataRead() |
|
1041 { |
|
1042 TInt r=KErrNone; |
|
1043 // This channel will have provided a buffer for writing to, with a specified offset and number of words |
|
1044 // Bytes in the buffer before the offset should be set to zero |
|
1045 // Bytes written at and beyond the offset should exhibit an incrementing count |
|
1046 // Bytes beyond the offset that were not written to should be set to zero |
|
1047 TInt8 numWords=(iRxReqNumWords>iNumRegRxWords)?iNumRegRxWords:iRxReqNumWords; |
|
1048 TInt8 currVal=0; |
|
1049 TInt8 index = 0; |
|
1050 while(index<iRxRegOffset) |
|
1051 { |
|
1052 currVal=*(iRxBuf+index); |
|
1053 if(currVal != 0) |
|
1054 { |
|
1055 CLIENT_PRINT(("DChannelIicSlaveClient::CheckDataRead, index=%d, value =0x%x, expected 0",index,currVal)); |
|
1056 r=KErrCorrupt; |
|
1057 } |
|
1058 ++index; |
|
1059 } |
|
1060 |
|
1061 TInt8 checkVal=0x10; // first value written by simulated bus channel |
|
1062 TInt8 endOfData= (TInt8)(iRxRegOffset+(numWords*iRxRegGranularity)); |
|
1063 TInt8 wordCount=0; |
|
1064 while(index<endOfData) |
|
1065 { |
|
1066 currVal = *(iRxBuf+index); |
|
1067 if(checkVal != currVal) |
|
1068 { |
|
1069 CLIENT_PRINT(("DChannelIicSlaveClient::CheckDataRead, index=%d, value =0x%x, expected 0x%x",index,currVal,checkVal)); |
|
1070 r=KErrCorrupt; |
|
1071 } |
|
1072 if(++wordCount == iRxRegGranularity) |
|
1073 { |
|
1074 wordCount=0; |
|
1075 checkVal++; |
|
1076 } |
|
1077 ++index; |
|
1078 } |
|
1079 |
|
1080 while(index<KRxBufSizeInBytes) |
|
1081 { |
|
1082 currVal=*(iRxBuf+index); |
|
1083 if(currVal != 0) |
|
1084 { |
|
1085 CLIENT_PRINT(("DChannelIicSlaveClient::CheckDataRead, index=%d, value =0x%x, expected 0",index,currVal);) |
|
1086 r=KErrCorrupt; |
|
1087 } |
|
1088 ++index; |
|
1089 } |
|
1090 return r; |
|
1091 } |
|
1092 |
|
1093 |
|
1094 TInt DChannelIicSlaveClient::CheckDataWritten() |
|
1095 { |
|
1096 TInt r=KErrNone; |
|
1097 // The pattern in the transmit buffer used by the simulated bus channel contains a incrementing count |
|
1098 // from 0 to (KTxBufSizeInBytes-1), therefore the first value to be present in the check buffer will be |
|
1099 // represented by the required offset. |
|
1100 |
|
1101 // The bytes "transmitted" are stored in the simulated bus' iTxCheckBuf |
|
1102 // Since the simulated bus channel is also in the kernel process it shares the same address space |
|
1103 // Get the address of the buffer |
|
1104 TUint testId = (((TUint)(RBusDevIicClient::ECtrlIoTxChkBuf))<<1)&0x3FFFFFFF; |
|
1105 CLIENT_PRINT(("DChannelIicSlaveClient::CheckDataWritten invoking StaticExtension ECtrlIoTxChkBuf with iBusId=0x%x, testId=0x%x, iBusTxCheckBuf=0x%x\n",iBusId,testId,iBusTxCheckBuf)); |
|
1106 r = StaticExtension(iBusId, testId, &iBusTxCheckBuf, NULL); |
|
1107 if(r!=KErrNone) |
|
1108 { |
|
1109 CLIENT_PRINT(("DChannelIicSlaveClient::CheckDataWritten StaticExtension ECtrlIoTxChkBuf returned %d\n",r)); |
|
1110 return r; |
|
1111 } |
|
1112 |
|
1113 // Check that the values in the check buffer increment for the |
|
1114 // required number of words, and that any remaining bytes in the check buffer are set to zero. |
|
1115 TInt8 firstValue = iTxRegOffset; |
|
1116 TInt8 currVal = 0; |
|
1117 TInt8 wordsWritten = 0; |
|
1118 wordsWritten=(iTxReqNumWords>iNumRegTxWords)?iNumRegTxWords:iTxReqNumWords; |
|
1119 TInt8 index=0; |
|
1120 while(index<(wordsWritten*iTxRegGranularity)) |
|
1121 { |
|
1122 currVal=*(iBusTxCheckBuf+index); |
|
1123 if(currVal != (TInt8)(firstValue+index)) |
|
1124 { |
|
1125 CLIENT_PRINT(("DChannelIicSlaveClient::CheckDataWritten, index=%d, value =0x%x, expected 0x%x",index,currVal,(TInt8)(firstValue+index))); |
|
1126 r=KErrCorrupt; |
|
1127 } |
|
1128 ++index; |
|
1129 } |
|
1130 while(index<(iNumRegTxWords*iTxRegGranularity)) |
|
1131 { |
|
1132 currVal=*(iBusTxCheckBuf+index); |
|
1133 if(currVal != 0) |
|
1134 { |
|
1135 CLIENT_PRINT(("DChannelIicSlaveClient::CheckDataWritten, index=%d, value =0x%x, expected 0",index,currVal)); |
|
1136 r=KErrCorrupt; |
|
1137 } |
|
1138 ++index; |
|
1139 } |
|
1140 return r; |
|
1141 } |
|
1142 |
|
1143 |
|
1144 TInt DChannelIicSlaveClient::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/) |
|
1145 { |
|
1146 CLIENT_PRINT(("> DChannelIicSlaveClient::DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion &aVer)")); |
|
1147 |
|
1148 TInt r = Kern::DynamicDfcQCreate(iDfcQue,KIicSlaveClientThreadPriority,KIicSlaveClientThreadName); |
|
1149 if(r!=KErrNone) |
|
1150 return r; |
|
1151 SetDfcQ(iDfcQue); |
|
1152 |
|
1153 // Allocate buffers for Rx, Tx operations |
|
1154 iRxBuf = new TUint8[KRxBufSizeInBytes]; |
|
1155 iTxBuf = new TUint8[KTxBufSizeInBytes]; |
|
1156 if((iRxBuf == NULL)||(iTxBuf == NULL)) |
|
1157 return KErrNoMemory; |
|
1158 // Start receiving messages |
|
1159 iMsgQ.Receive(); |
|
1160 |
|
1161 return r; |
|
1162 } |
|
1163 |
|
1164 TInt DChannelIicSlaveClient::InitSlaveClient() |
|
1165 { |
|
1166 iNotif = new TIicBusSlaveCallback(DChannelIicSlaveClient::SlaveClientCallbackFunc, (TAny*)this, iDfcQue, KIicSlaveClientDfcPriority); |
|
1167 if(iNotif == NULL) |
|
1168 { |
|
1169 CLIENT_PRINT(("> DChannelIicSlaveClient::InitSlaveClient ERROR unable to allocate space TIicBusSlaveCallback* iNotif \n")); |
|
1170 return KErrNoMemory; |
|
1171 } |
|
1172 return KErrNone; |
|
1173 } |
|
1174 |
|
1175 void DChannelIicSlaveClient::HandleMsg(TMessageBase* aMsg) |
|
1176 { |
|
1177 TThreadMessage& m=*(TThreadMessage*)aMsg; |
|
1178 TInt id=m.iValue; |
|
1179 |
|
1180 CLIENT_PRINT((" >ldd: DChannelIicSlaveClient::HandleMsg(TMessageBase* aMsg) id=%d\n", id)); |
|
1181 |
|
1182 if (id == (TInt)ECloseMsg) |
|
1183 { |
|
1184 iMsgQ.iMessage->Complete(KErrNone,EFalse); |
|
1185 return; |
|
1186 } |
|
1187 |
|
1188 if (id<0) |
|
1189 { |
|
1190 TRequestStatus* pS=(TRequestStatus*)m.Ptr0(); |
|
1191 TInt r=DoRequest(~id, pS, m.Ptr1(), m.Ptr2()); |
|
1192 if (r!=KErrNone) |
|
1193 { |
|
1194 Kern::RequestComplete(iClient, pS, r); |
|
1195 } |
|
1196 m.Complete(KErrNone,ETrue); |
|
1197 } |
|
1198 else |
|
1199 if((id>=0)&&(id!=KMaxTInt)) |
|
1200 { |
|
1201 TInt r=DoControl(id,m.Ptr0(),m.Ptr1()); |
|
1202 m.Complete(r,ETrue); |
|
1203 } |
|
1204 } |
|
1205 |
|
1206 |
|
1207 TInt DChannelIicSlaveClient::DoControl(TInt aId, TAny* a1, TAny* a2) |
|
1208 { |
|
1209 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoked with aId=0x%x, a1=0x%x, a2=0x%x\n", aId,a1,a2)); |
|
1210 TInt r=KErrNone; |
|
1211 // To support testing, any values of aId for StaticExtension must be shifted left one place |
|
1212 // and for a Slave, the two msbs must be zero |
|
1213 TInt ctrlIoVal = 0; |
|
1214 if((aId & KTestSlaveControlIo) == KTestSlaveControlIo) |
|
1215 ctrlIoVal = (aId << 1) & 0x3FFFFFFF; |
|
1216 |
|
1217 switch(aId) |
|
1218 { |
|
1219 case(RBusDevIicClient::EInitSlaveClient): |
|
1220 { |
|
1221 r=InitSlaveClient(); |
|
1222 break; |
|
1223 } |
|
1224 |
|
1225 case(RBusDevIicClient::ECaptureChanSync): |
|
1226 { |
|
1227 // a1 is a pointer to the TDes8* aConfigHdr |
|
1228 // a2 is a pointer to TInt* parms[2], where: |
|
1229 // parms[0]=(TInt*)aBusId; |
|
1230 // parms[1]=&aChannelId; |
|
1231 // |
|
1232 TInt* parms[2]; |
|
1233 r=Kern::ThreadRawRead(iClient,a2,&(parms[0]),2*sizeof(TInt*)); |
|
1234 if(r!=KErrNone) |
|
1235 break; // Can't proceed if can't access request parameters |
|
1236 // |
|
1237 TInt hdrSize = Kern::ThreadGetDesLength(iClient,a1); |
|
1238 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl hdrSize = 0x%x\n",hdrSize)); |
|
1239 if (hdrSize<=0) |
|
1240 { |
|
1241 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl ERROR, hdrSize is invalid\n")); |
|
1242 r = KErrArgument; |
|
1243 break; |
|
1244 } |
|
1245 if((iConfigHdr = HBuf8::New(hdrSize)) == NULL) |
|
1246 return KErrNoMemory; |
|
1247 r = Kern::ThreadDesRead(iClient,a1,*iConfigHdr,0); |
|
1248 if(r!=KErrNone) |
|
1249 { |
|
1250 delete iConfigHdr; |
|
1251 break; |
|
1252 } |
|
1253 // Store the address of the user-side variable to update with the ChannelId |
|
1254 iClientChanId=parms[1]; |
|
1255 |
|
1256 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoking (synchronous) CaptureChannel\n")); |
|
1257 r = CaptureChannel((TInt)(parms[0]), iConfigHdr, iNotif, iChannelId); |
|
1258 if(r != KErrNone) |
|
1259 { |
|
1260 delete iConfigHdr; |
|
1261 break; |
|
1262 } |
|
1263 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl CaptureChannelgave iChannelId=0x%x\n",iChannelId)); |
|
1264 |
|
1265 r = Kern::ThreadRawWrite(iClient,iClientChanId,&iChannelId,sizeof(TInt)); |
|
1266 if(r != KErrNone) |
|
1267 delete iConfigHdr; |
|
1268 break; |
|
1269 } |
|
1270 |
|
1271 case(RBusDevIicClient::EReleaseChan): |
|
1272 { |
|
1273 // a1 represents TInt aChannelId |
|
1274 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoking ReleaseChannel\n")); |
|
1275 r = ReleaseChannel((TInt)a1); |
|
1276 delete iConfigHdr; |
|
1277 break; |
|
1278 } |
|
1279 |
|
1280 case(RBusDevIicClient::ERegisterRxBuffer): |
|
1281 { |
|
1282 // a1 represents TInt aChannelId |
|
1283 // a2 represents (TAny*) of TInt8 parms[3] where parms[0]=aBufGranularity; parms[1]=aNumWords; parms[2]=aOffset |
|
1284 TInt8 parms[3]; |
|
1285 r=Kern::ThreadRawRead(iClient,a2,&(parms[0]),3*sizeof(TInt8)); |
|
1286 if(r!=KErrNone) |
|
1287 break; // Can't proceed if can't access request parameters |
|
1288 // Store parameters for checking in the callback |
|
1289 iRxRegGranularity = parms[0]; |
|
1290 iRxRegOffset= parms[2]; |
|
1291 iNumRegRxWords=parms[1]; |
|
1292 |
|
1293 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoking RegisterRxBuffer\n")); |
|
1294 TPtr8 rxPtr(iRxBuf,KRxBufSizeInBytes); |
|
1295 r = RegisterRxBuffer((TInt)a1, rxPtr, parms[0], parms[1], parms[2]); |
|
1296 break; |
|
1297 } |
|
1298 |
|
1299 case(RBusDevIicClient::ERegisterTxBuffer): |
|
1300 { |
|
1301 // a1 represents TInt aChannelId |
|
1302 // a2 represents (TAny*) of TInt8 parms[3] where parms[0]=aBufGranularity; parms[1]=aNumWords; parms[2]=aOffset |
|
1303 TInt8 parms[3]; |
|
1304 r=Kern::ThreadRawRead(iClient,a2,&(parms[0]),3*sizeof(TInt8)); |
|
1305 if(r!=KErrNone) |
|
1306 break; // Can't proceed if can't access request parameters |
|
1307 // Store parameters for checking in the callback |
|
1308 iTxRegGranularity = parms[0]; |
|
1309 iTxRegOffset= parms[2]; |
|
1310 iNumRegTxWords=parms[1]; |
|
1311 |
|
1312 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoking RegisterTxBuffer\n")); |
|
1313 TPtr8 txPtr(iTxBuf,KTxBufSizeInBytes); |
|
1314 r = RegisterTxBuffer((TInt)a1, txPtr, parms[0], parms[1], parms[2]); |
|
1315 break; |
|
1316 } |
|
1317 |
|
1318 case(RBusDevIicClient::ESetNotifTrigger): |
|
1319 { |
|
1320 // a1 represents (TAny*) of TRequestStatus* aStatus |
|
1321 // a2 represents (TAny*) of TInt parms[2] where parms[0]=aChannelId; parms[1]=aTrigger |
|
1322 TInt parms[2]; |
|
1323 r=Kern::ThreadRawRead(iClient,a2,&(parms[0]),2*sizeof(TInt)); |
|
1324 if(r!=KErrNone) |
|
1325 break; // Can't proceed if can't access request parameters |
|
1326 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoking SetNotificationTrigger with aStatus=0x%x, aChannelId=0x%x, aTrigger=0x%x\n",a1,parms[0],parms[1])); |
|
1327 if(a1 == NULL) |
|
1328 { |
|
1329 r = KErrArgument; |
|
1330 break; |
|
1331 } |
|
1332 iStatus=(TRequestStatus*)a1; |
|
1333 // Set the flags for duplex processing |
|
1334 if((parms[1]&ERxAllBytes)&&(parms[1]&ETxAllBytes)) |
|
1335 iFullDuplexReq |= (ERxAllBytes|ETxAllBytes); |
|
1336 r = SetNotificationTrigger(parms[0],parms[1]); |
|
1337 if(r == KErrTimedOut) |
|
1338 r=KErrNone; // KErrTimedOut is returned if the Client has not interacted with IIC for a while |
|
1339 break; |
|
1340 } |
|
1341 |
|
1342 case(RBusDevIicClient::ECtrlIoNotifNoTrigger): |
|
1343 { |
|
1344 // a1 represents (TAny*) of aChannelId |
|
1345 // a2 represents (TAny*) of aTrigger |
|
1346 TInt chanId = (TInt)a1; |
|
1347 TInt trigger = (TInt)a2; |
|
1348 // No TRequestStatus is accessed because the call to SetNotificationTrigger |
|
1349 // is either with zero (when it is valid to do so), or it is being called with a |
|
1350 // trigger value that is expected to be rejected. |
|
1351 r = SetNotificationTrigger(chanId,trigger); |
|
1352 |
|
1353 if(r == KErrNone) |
|
1354 { |
|
1355 if((trigger&ERxAllBytes)&&(trigger&ETxAllBytes)) |
|
1356 iFullDuplexReq |= (ERxAllBytes|ETxAllBytes); |
|
1357 } |
|
1358 if(r == KErrTimedOut) |
|
1359 r=KErrNone; // KErrTimedOut is returned if the Client has not interacted with IIC for a while |
|
1360 break; |
|
1361 } |
|
1362 |
|
1363 case(RBusDevIicClient::ECtrlIoRxWords): |
|
1364 { |
|
1365 // a1 represents TInt aBusId |
|
1366 // a2 represents (TAny*) of TInt parms[2] where parms[0]=aChannelId; parms[1]=aNumWords |
|
1367 TInt parms[2]; |
|
1368 r=Kern::ThreadRawRead(iClient,a2,&(parms[0]),2*sizeof(TInt)); |
|
1369 if(r!=KErrNone) |
|
1370 break; // Can't proceed if can't access request parameters |
|
1371 // Prepare iRxBuf |
|
1372 memset(iRxBuf,0,KRxBufSizeInBytes); |
|
1373 // Store the number of words for checking in the callback |
|
1374 iRxReqNumWords=(TInt8)(parms[1]); |
|
1375 |
|
1376 TInt tempTrigger=0; |
|
1377 // Set the expected result |
|
1378 tempTrigger |= ERxAllBytes; |
|
1379 if(parms[1] < iNumRegRxWords) |
|
1380 tempTrigger |= ERxUnderrun; |
|
1381 if(parms[1] > iNumRegRxWords) |
|
1382 tempTrigger |= ERxOverrun; |
|
1383 if(iExpectedTrigger != EGeneralBusError) |
|
1384 iExpectedTrigger |= tempTrigger; |
|
1385 else |
|
1386 iBlockedTrigger |= tempTrigger; |
|
1387 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoking StaticExtension (ECtrlIoRxWords) with aBusId=0x%x, aChannelId=0x%x, aNumBytes=0x%x\n",(TInt)a1,parms[0],parms[1])); |
|
1388 r = StaticExtension((TUint)a1, (TUint)ctrlIoVal, (TAny*)(parms[0]), (TAny*)(parms[1])); |
|
1389 if(r == KErrTimedOut) |
|
1390 r=KErrNone; // KErrTimedOut is returned if the Client has not interacted with IIC for a while |
|
1391 break; |
|
1392 } |
|
1393 |
|
1394 case(RBusDevIicClient::ECtrlIoTxWords): |
|
1395 { |
|
1396 // a1 represents TInt aBusId |
|
1397 // a2 represents (TAny*) of TInt parms[2] where parms[0]=aChannelId; parms[1]=aNumWords |
|
1398 TInt parms[2]; |
|
1399 r=Kern::ThreadRawRead(iClient,a2,&(parms[0]),2*sizeof(TInt)); |
|
1400 if(r!=KErrNone) |
|
1401 break; // Can't proceed if can't access request parameters |
|
1402 // Prepare iTxBuf |
|
1403 TUint8* ptr=iTxBuf; |
|
1404 for(TInt offset=0; offset<KRxBufSizeInBytes; ++offset) |
|
1405 *ptr++=(TUint8)offset; |
|
1406 // Store the number of words for checking in the callback |
|
1407 iTxReqNumWords=(TInt8)(parms[1]); |
|
1408 TInt tempTrigger=0; |
|
1409 // Set the expected result |
|
1410 tempTrigger |= ETxAllBytes; |
|
1411 if(parms[1] < iNumRegTxWords) |
|
1412 tempTrigger |= ETxOverrun; |
|
1413 if(parms[1] > iNumRegTxWords) |
|
1414 tempTrigger |= ETxUnderrun; |
|
1415 if(iExpectedTrigger != EGeneralBusError) |
|
1416 iExpectedTrigger |= tempTrigger; |
|
1417 else |
|
1418 iBlockedTrigger |= tempTrigger; |
|
1419 |
|
1420 // The bytes "transmitted" are stored in the simulated bus' iTxCheckBuf |
|
1421 // Since the simulated bus channel is also in the kernel process it shares the same address space |
|
1422 // Get the address of the buffer |
|
1423 // As part of the callback invoked by IIC, this client will check the data stored by the simulated |
|
1424 // bus. Since the simulated bus channel is also in the kernel process it shares the same address space, |
|
1425 // so the buffer can be accessed directly - but the buffer is not created until it receives the following |
|
1426 // StaticExtension command, so the bus identifier represented by a1 is stored to allow accessing the buffer |
|
1427 // adddress from the callback. |
|
1428 iBusId=(TUint)a1; |
|
1429 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoking StaticExtension (ECtrlIoTxWords) with aBusId=0x%x, aChannelId=0x%x, aNumBytes=0x%x\n",(TInt)a1,parms[0],parms[1])); |
|
1430 aId<<=1; |
|
1431 r = StaticExtension((TUint)a1, (TUint)ctrlIoVal, (TAny*)(parms[0]), (TAny*)(parms[1])); |
|
1432 break; |
|
1433 } |
|
1434 |
|
1435 case(RBusDevIicClient::ECtrlIoRxTxWords): |
|
1436 { |
|
1437 // a1 represents TInt aBusId |
|
1438 // a2 represents (TAny*) of TInt parms[3] where parms[0]=aChannelId; parms[1]=aNumRxWords; parms[2]=aNumTxWords |
|
1439 TInt parms[3]; |
|
1440 r=Kern::ThreadRawRead(iClient,a2,&(parms[0]),3*sizeof(TInt)); |
|
1441 if(r!=KErrNone) |
|
1442 break; // Can't proceed if can't access request parameters |
|
1443 // Prepare iRxBuf, iTxBuf |
|
1444 memset(iRxBuf,0,KRxBufSizeInBytes); |
|
1445 TUint8* ptr=iTxBuf; |
|
1446 for(TInt offset=0; offset<KRxBufSizeInBytes; ++offset) |
|
1447 *ptr++=(TUint8)offset; |
|
1448 |
|
1449 // Store the number of words for checking in the callback |
|
1450 iRxReqNumWords=(TInt8)(parms[1]); |
|
1451 iTxReqNumWords=(TInt8)(parms[2]); |
|
1452 |
|
1453 TInt tempTrigger=0; |
|
1454 // Set the expected result |
|
1455 tempTrigger |= (ERxAllBytes|ETxAllBytes); |
|
1456 |
|
1457 if(parms[1] < iNumRegRxWords) |
|
1458 tempTrigger |= ERxUnderrun; |
|
1459 if(parms[1] > iNumRegRxWords) |
|
1460 tempTrigger |= ERxOverrun; |
|
1461 |
|
1462 if(parms[2] < iNumRegTxWords) |
|
1463 tempTrigger |= ETxOverrun; |
|
1464 if(parms[2] > iNumRegTxWords) |
|
1465 tempTrigger |= ETxUnderrun; |
|
1466 |
|
1467 if(iExpectedTrigger != EGeneralBusError) |
|
1468 iExpectedTrigger |= tempTrigger; |
|
1469 else |
|
1470 iBlockedTrigger |= tempTrigger; |
|
1471 |
|
1472 // The bytes "transmitted" are stored in the simulated bus' iTxCheckBuf |
|
1473 // Since the simulated bus channel is also in the kernel process it shares the same address space |
|
1474 // Get the address of the buffer |
|
1475 // As part of the callback invoked by IIC, this client will check the data stored by the simulated |
|
1476 // bus. Since the simulated bus channel is also in the kernel process it shares the same address space, |
|
1477 // so the buffer can be accessed directly - but the buffer is not created until it receives the following |
|
1478 // StaticExtension command, so the bus identifier represented by a1 is stored to allow accessing the buffer |
|
1479 // adddress from the callback. |
|
1480 iBusId=(TUint)a1; |
|
1481 |
|
1482 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoking StaticExtension (ECtrlIoRxTxWords) with aBusId=0x%x, aChannelId=0x%x, aNumRxBytes=0x%x, aNumTxBytes=0x%x\n",(TInt)a1,parms[0],parms[1],parms[2])); |
|
1483 r = StaticExtension((TUint)a1, (TUint)ctrlIoVal, (TAny*)(parms[0]), (TAny*)(&(parms[1]))); |
|
1484 if(r == KErrTimedOut) |
|
1485 r=KErrNone; // KErrTimedOut is returned if the Client has not interacted with IIC for a while |
|
1486 break; |
|
1487 } |
|
1488 |
|
1489 case(RBusDevIicClient::ECtlIoBusError): |
|
1490 { |
|
1491 // a1 represents TInt aBusId |
|
1492 // a2 represents TInt aChannelId |
|
1493 // Set the expected result |
|
1494 iExpectedTrigger |= EGeneralBusError; |
|
1495 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoking StaticExtension (ECtlIoBusError) \n")); |
|
1496 r = StaticExtension((TUint)a1, (TUint)ctrlIoVal, (TAny*)a2, NULL); |
|
1497 break; |
|
1498 } |
|
1499 |
|
1500 case(RBusDevIicClient::ECtrlIoUnblockNotification): |
|
1501 { |
|
1502 // a1 represents TInt aBusId |
|
1503 // a2 represents TInt aChannelId |
|
1504 iExpectedTrigger = iBlockedTrigger; |
|
1505 iBlockedTrigger=0; |
|
1506 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoking StaticExtension (ECtrlIoUnblockNotification) \n")); |
|
1507 r = StaticExtension((TUint)a1, (TUint)ctrlIoVal, (TAny*)a2, NULL); |
|
1508 break; |
|
1509 } |
|
1510 |
|
1511 case(RBusDevIicClient::ECtrlIoBlockNotification): |
|
1512 { |
|
1513 // a1 represents TInt aBusId |
|
1514 // a2 represents TInt aChannelId |
|
1515 iBlockedTrigger = iExpectedTrigger; |
|
1516 iExpectedTrigger = EGeneralBusError; // For this test, just interested in if the timeout is detected |
|
1517 // iExpectedTrigger will be reinstated prior to unblocking |
|
1518 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoking StaticExtension (ECtrlIoBlockNotification) \n")); |
|
1519 r = StaticExtension((TUint)a1, (TUint)ctrlIoVal, (TAny*)a2, NULL); |
|
1520 break; |
|
1521 } |
|
1522 |
|
1523 case(RBusDevIicClient::ECtrlIoUpdTimeout): |
|
1524 { |
|
1525 // a1 represents TInt aBusId |
|
1526 // a2 represents TInt aChannelId |
|
1527 |
|
1528 // For this test, instruct the simulated bus to do the following for the Master and Client timeout values: |
|
1529 // (1) Read the current timeout value and check that it is set to the default |
|
1530 // (2) Set it to different value |
|
1531 // (3) Read it back to check success |
|
1532 // (4) Return to the original value, and readback to confirm |
|
1533 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl invoking StaticExtension (ECtrlIoBlockNotification) \n")); |
|
1534 r = StaticExtension((TUint)a1, (TUint)ctrlIoVal, NULL, NULL); |
|
1535 break; |
|
1536 } |
|
1537 |
|
1538 default: |
|
1539 { |
|
1540 CLIENT_PRINT(("DChannelIicSlaveClient::DoControl - unrecognised value for aId=0x%x\n",aId)); |
|
1541 r=KErrArgument; |
|
1542 break; |
|
1543 } |
|
1544 |
|
1545 } |
|
1546 return r; |
|
1547 } |
|
1548 |
|
1549 TInt DChannelIicSlaveClient::DoRequest(TInt aId, TRequestStatus* aStatus, TAny* a1, TAny* a2) |
|
1550 { |
|
1551 CLIENT_PRINT(("DChannelIicSlaveClient::DoRequest invoked with aId=0x%x, aStatus=0x%x, a1=0x%x, a2=0x%x\n", aId,aStatus,a1,a2)); |
|
1552 |
|
1553 TInt r=KErrNone; |
|
1554 switch(aId) |
|
1555 { |
|
1556 case(RBusDevIicClient::ECaptureChanAsync): |
|
1557 { |
|
1558 // a1 is a pointer to the TDes8* aConfigHdr |
|
1559 // a2 is a pointer to TInt* parms[2], where: |
|
1560 // parms[0]=(TInt*)aBusId; |
|
1561 // parms[1]=&aChannelId; |
|
1562 // |
|
1563 TInt* parms[2]; |
|
1564 r=Kern::ThreadRawRead(iClient,a2,&(parms[0]),2*sizeof(TInt*)); |
|
1565 if(r!=KErrNone) |
|
1566 break; // Can't proceed if can't access request parameters |
|
1567 // |
|
1568 TInt hdrSize = Kern::ThreadGetDesLength(iClient,a1); |
|
1569 CLIENT_PRINT(("DChannelIicSlaveClient::DoRequest hdrSize = 0x%x\n",hdrSize)); |
|
1570 if (hdrSize<=0) |
|
1571 { |
|
1572 CLIENT_PRINT(("DChannelIicSlaveClient::DoRequest ERROR, hdrSize is invalid\n")); |
|
1573 return KErrArgument; |
|
1574 } |
|
1575 if((iConfigHdr = HBuf8::New(hdrSize)) == NULL) |
|
1576 return KErrNoMemory; |
|
1577 if((r = Kern::ThreadDesRead(iClient,a1,*iConfigHdr,0))!=KErrNone) |
|
1578 { |
|
1579 delete iConfigHdr; |
|
1580 return r; |
|
1581 } |
|
1582 iStatus=aStatus; |
|
1583 // Store the address of the user-side variable to update with the ChannelId |
|
1584 iClientChanId=parms[1]; |
|
1585 // Invoke the IIC API |
|
1586 CLIENT_PRINT(("DChannelIicSlaveClient::DoRequest invoking (asynchronous) CaptureChannel\n")); |
|
1587 r = CaptureChannel((TInt)(parms[0]), iConfigHdr, iNotif, iChannelId, ETrue); |
|
1588 if(r != KErrNone) |
|
1589 delete iConfigHdr; |
|
1590 CLIENT_PRINT(("DChannelIicSlaveClient::DoRequest (asynchronous) CaptureChannel returned %d\n",r)); |
|
1591 break; |
|
1592 } |
|
1593 |
|
1594 case(RBusDevIicClient::ECtrlIoOvUndRunRxTx): |
|
1595 { |
|
1596 iBusId = (TInt)a1; |
|
1597 iChannelId = (TInt)a2; |
|
1598 iStatus=aStatus; |
|
1599 CLIENT_PRINT(("DChannelIicSlaveClient::DoRequest status = 0x%x, busId = 0x%x, chanId =0x%x\n",iStatus,iBusId,iChannelId)); |
|
1600 |
|
1601 // This test is state-machine driven. It is instigated from this point, then subsequent steps |
|
1602 // are handled in the callback funciton SlaveClientCallbackFunc |
|
1603 // |
|
1604 // Check we in the appropriate state to start |
|
1605 if(iTestOverUnderState == EStartState) |
|
1606 { |
|
1607 // Re-use the previously-provided buffers. Just request the initial notification triggers, |
|
1608 // the simulate the first event (RxOverrun). |
|
1609 r = SetNotificationTrigger(iChannelId, (ERxAllBytes | ERxOverrun | ETxAllBytes | ETxUnderrun)); |
|
1610 if(r != KErrNone) |
|
1611 { |
|
1612 CLIENT_PRINT(("DChannelIicSlaveClient::DoRequest SetNotificationTrigger returned %d\n",r)); |
|
1613 } |
|
1614 else |
|
1615 { |
|
1616 // Trigger now set, so simulate the required event |
|
1617 iExpectedTrigger = ERxAllBytes | ERxOverrun | ETxAllBytes | ETxUnderrun; |
|
1618 iFullDuplexReq |= (ERxAllBytes|ETxAllBytes); |
|
1619 iTestOverUnderState = ERxOverrun_1; // Prepare for callback |
|
1620 // The requested number of words when the buffer was registered was 8, so simulate 10 |
|
1621 // to provoke an RxOverrun event. |
|
1622 TInt numWords=10; |
|
1623 // To support testing, any values of aId for StaticExtension must be shifted left one place |
|
1624 // and for a Slave, the two msbs must be zero |
|
1625 TInt ctrlIoVal = RBusDevIicClient::ECtrlIoRxWords; |
|
1626 ctrlIoVal = (ctrlIoVal << 1) & 0x3FFFFFFF; |
|
1627 r = StaticExtension(iBusId, ctrlIoVal, (TAny*)iChannelId, (TAny*)numWords); |
|
1628 } |
|
1629 } |
|
1630 else |
|
1631 { |
|
1632 CLIENT_PRINT(("DChannelIicSlaveClient::DoRequest ECtrlIoOvUndRunRxTx, iTestOverUnderState = 0x%x\n",iTestOverUnderState)); |
|
1633 r=KErrGeneral; |
|
1634 } |
|
1635 break; |
|
1636 } |
|
1637 |
|
1638 default: |
|
1639 { |
|
1640 CLIENT_PRINT(("DChannelIicSlaveClient::DoRequest - unrecognised value for aId=0x%x\n",aId)); |
|
1641 r=KErrArgument; |
|
1642 break; |
|
1643 } |
|
1644 } |
|
1645 return r; |
|
1646 } |
|
1647 |