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1 /* |
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2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include <e32base.h> |
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19 #include <d32usbc.h> |
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20 #include <usb/usblogger.h> |
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21 #include "AcmPanic.h" |
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22 #include "linkstatenotifier.h" |
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23 |
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24 #ifdef __FLOG_ACTIVE |
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25 _LIT8(KLogComponent, "ECACM"); |
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26 #endif |
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27 |
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28 CLinkStateNotifier* CLinkStateNotifier::NewL(MLinkStateObserver& aParent, RDevUsbcClient& aUsb) |
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29 { |
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30 LOG_STATIC_FUNC_ENTRY |
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31 |
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32 CLinkStateNotifier* self = new (ELeave) CLinkStateNotifier(aParent, aUsb); |
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33 return self; |
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34 } |
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35 |
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36 |
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37 CLinkStateNotifier::CLinkStateNotifier(MLinkStateObserver& aParent, RDevUsbcClient& aUsb) |
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38 : CActive(EPriorityStandard), |
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39 iParent(aParent), iUsb(aUsb) |
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40 { |
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41 LOG_FUNC |
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42 |
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43 CActiveScheduler::Add(this); |
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44 } |
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45 |
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46 |
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47 |
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48 /** |
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49 CObexUsbHandler destructor. |
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50 */ |
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51 CLinkStateNotifier::~CLinkStateNotifier() |
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52 { |
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53 LOG_FUNC |
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54 Cancel(); |
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55 } |
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56 |
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57 |
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58 /** |
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59 Standard active object error function. |
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60 |
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61 @return KErrNone because currently nothing should cause this to be called. |
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62 */ |
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63 TInt CLinkStateNotifier::RunError(TInt /*aError*/) |
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64 { |
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65 return KErrNone; |
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66 } |
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67 |
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68 |
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69 /** |
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70 This function will be called upon a change in the state of the device |
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71 (as set up in AcceptL). |
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72 */ |
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73 void CLinkStateNotifier::RunL() |
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74 { |
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75 LOGTEXT2(_L8("CObexUsbHandler::RunL called state=0x%X"), iUsbState); |
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76 |
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77 if (iStatus != KErrNone) |
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78 { |
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79 LOGTEXT2(_L8("CObexUsbHandler::RunL() - Error = %d"),iStatus.Int()); |
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80 LinkDown(); |
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81 iParent.MLSOStateChange(KDefaultMaxPacketTypeBulk); |
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82 |
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83 return; |
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84 } |
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85 |
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86 if (!(iUsbState & KUsbAlternateSetting)) |
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87 { |
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88 TUsbcDeviceState deviceState = static_cast<TUsbcDeviceState>(iUsbState); |
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89 |
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90 switch(deviceState) |
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91 { |
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92 case EUsbcDeviceStateUndefined: |
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93 LinkDown(); |
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94 break; |
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95 |
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96 case EUsbcDeviceStateAttached: |
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97 case EUsbcDeviceStatePowered: |
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98 case EUsbcDeviceStateDefault: |
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99 case EUsbcDeviceStateAddress: |
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100 case EUsbcDeviceStateSuspended: |
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101 break; |
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102 |
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103 case EUsbcDeviceStateConfigured: |
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104 LinkUp(); |
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105 break; |
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106 |
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107 default: |
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108 __ASSERT_DEBUG(false, _USB_PANIC(KAcmPanicCat, EPanicUnknownDeviceState)); |
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109 break; |
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110 } |
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111 } |
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112 |
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113 iParent.MLSOStateChange(iPacketSize || KDefaultMaxPacketTypeBulk); |
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114 |
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115 // Await further notification of a state change. |
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116 iUsb.AlternateDeviceStatusNotify(iStatus, iUsbState); |
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117 SetActive(); |
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118 } |
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119 |
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120 |
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121 /** |
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122 Standard active object cancellation function. |
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123 */ |
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124 void CLinkStateNotifier::DoCancel() |
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125 { |
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126 LOG_FUNC |
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127 |
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128 iUsb.AlternateDeviceStatusNotifyCancel(); |
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129 } |
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130 |
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131 |
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132 |
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133 /** |
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134 Accept an incoming connection. |
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135 */ |
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136 void CLinkStateNotifier::Start() |
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137 { |
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138 LOG_FUNC |
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139 iUsb.AlternateDeviceStatusNotify(iStatus, iUsbState); |
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140 SetActive(); |
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141 } |
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142 |
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143 |
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144 void CLinkStateNotifier::LinkUp() |
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145 { |
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146 if (iUsb.CurrentlyUsingHighSpeed()) |
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147 { |
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148 iPacketSize = KMaxPacketTypeBulkHS; |
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149 } |
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150 else |
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151 { |
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152 iPacketSize = KMaxPacketTypeBulkFS; |
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153 } |
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154 } |
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155 |
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156 |
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157 void CLinkStateNotifier::LinkDown() |
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158 { |
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159 iPacketSize = 0; |
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160 } |