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1 // Copyright (c) 2007-2009 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 // @file controlendpointreader.cpp |
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15 // @internalComponent |
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16 // |
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17 // |
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18 |
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19 #include "controlendpointreader.h" |
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20 #include "testdebug.h" |
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21 |
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22 namespace NUnitTesting_USBDI |
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23 { |
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24 |
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25 CControlEndpointReader::CControlEndpointReader(RDevUsbcClient& aClientDriver,MRequestHandler& aRequestHandler) |
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26 : CEndpointReader(aClientDriver,EEndpoint0), |
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27 iDeviceToHost(EFalse), |
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28 iDataPhase(EFalse), |
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29 iRequestHandler(aRequestHandler) |
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30 { |
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31 } |
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32 |
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33 |
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34 CControlEndpointReader::~CControlEndpointReader() |
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35 { |
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36 LOG_FUNC |
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37 } |
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38 |
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39 |
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40 void CControlEndpointReader::ReadRequestsL() |
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41 { |
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42 LOG_FUNC |
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43 |
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44 // Read a packet from endpoint 0 (this should incorporate a request) |
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45 |
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46 ReadPacketL(this); |
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47 } |
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48 |
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49 |
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50 void CControlEndpointReader::EndpointReadError(TEndpointNumber aEndpointNumber,TInt aErrorCode) |
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51 { |
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52 LOG_FUNC |
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53 |
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54 RDebug::Printf("<Error %d> Asynchronous read on endpoint %d",aErrorCode,aEndpointNumber); |
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55 } |
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56 |
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57 |
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58 void CControlEndpointReader::DataReceivedFromEndpointL(TEndpointNumber aEndpointNumber,const TDesC8& aData) |
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59 { |
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60 LOG_FUNC |
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61 |
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62 RDebug::Printf("ibRequestType = %d, ibRequest = %d, iwValue = %d, iwIndex = %d, iwLength = %d",ibRequestType, ibRequest, iwValue, iwIndex, iwLength); |
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63 RDebug::Printf("iDeviceToHost = %d, iDataPhase = %d",iDeviceToHost,iDataPhase); |
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64 if(iDeviceToHost && iDataPhase) |
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65 { |
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66 TInt err = iRequestHandler.ProcessRequestL(ibRequest,iwValue,iwIndex,iwLength,aData); |
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67 RDebug::Printf("ProdessRequestL returned %d",err); |
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68 |
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69 if(err != KErrAbort) |
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70 { |
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71 iDeviceToHost = EFalse; |
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72 iDataPhase = EFalse; |
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73 |
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74 // After processing the request keep reading for more requests |
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75 // from the host |
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76 ReadPacketL(this); |
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77 } |
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78 } |
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79 else |
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80 { |
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81 // Understand the setup packet |
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82 ibRequestType = aData[0]; |
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83 iDeviceToHost = (ibRequestType & 0x80) == 0x00; |
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84 |
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85 // The request |
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86 ibRequest = aData[1]; |
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87 |
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88 // The request parameter |
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89 TUint8* p = reinterpret_cast<TUint8*>(&iwValue); |
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90 *p = aData[2]; |
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91 *(p+1) = aData[3]; |
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92 |
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93 // The index for the request |
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94 p = reinterpret_cast<TUint8*>(&iwIndex); |
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95 *p = aData[4]; |
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96 *(p+1) = aData[5]; |
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97 |
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98 // The length of data transfer |
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99 p = reinterpret_cast<TUint8*>(&iwLength); |
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100 *p = aData[6]; |
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101 *(p+1) = aData[7]; |
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102 |
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103 iDataPhase = (iwLength > 0); |
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104 |
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105 // Read all information about the request sent by the host |
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106 // i.e. any DATA1 packets sent after the setup DATA0 packet |
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107 RDebug::Printf("AFTER UPDATES"); |
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108 RDebug::Printf("ibRequestType = %d, ibRequest = %d, iwValue = %d, iwIndex = %d, iwLength = %d",ibRequestType, ibRequest, iwValue, iwIndex, iwLength); |
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109 RDebug::Printf("iDeviceToHost = %d, iDataPhase = %d",iDeviceToHost,iDataPhase); |
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110 if(iDeviceToHost && iDataPhase) |
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111 { |
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112 RDebug::Printf("Issuing another read of %d bytes",iwLength); |
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113 ReadL(iwLength); |
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114 } |
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115 else |
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116 { |
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117 TInt err = iRequestHandler.ProcessRequestL(ibRequest,iwValue,iwIndex,iwLength,KNullDesC8); |
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118 |
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119 if(err != KErrAbort) |
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120 { |
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121 // After processing the request keep reading for more requests |
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122 // from the host |
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123 ReadPacketL(this); |
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124 } |
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125 } |
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126 } |
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127 } |
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128 |
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129 |
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130 } |