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1 // Copyright (c) 2007-2010 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 "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 // Interface class for XTI IF. |
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15 |
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16 |
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17 #ifndef __TRACECOREXTIIF_H__ |
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18 #define __TRACECOREXTIIF_H__ |
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19 |
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20 |
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21 // Include files |
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22 #include <kernel/kernel.h> |
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23 #include <TraceCoreMediaPlugin.h> |
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24 #include "TraceCoreMediaIf.h" |
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25 |
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26 /** |
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27 * Interface class for XTI |
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28 */ |
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29 NONSHARABLE_CLASS( DTraceCoreXtiIf ) : public DTraceCoreMediaPlugin |
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30 { |
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31 public: |
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32 |
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33 /** |
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34 * Constructor |
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35 */ |
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36 DTraceCoreXtiIf(); |
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37 |
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38 /** |
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39 * Destructor |
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40 */ |
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41 ~DTraceCoreXtiIf(); |
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42 |
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43 /** |
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44 * Initializes this interface |
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45 */ |
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46 TInt Init( ); |
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47 |
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48 /** |
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49 * Sends a message |
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50 * |
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51 * @param aMessage The message to be sent |
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52 */ |
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53 TInt Send( TTraceMessage &aMessage ); |
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54 |
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55 /** |
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56 * Called by TraceCore to send a message out |
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57 */ |
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58 virtual TInt SendMessage( TTraceMessage &aMsg ); |
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59 |
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60 private: |
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61 |
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62 /** |
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63 * Starts a timer which calls XtiRegister |
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64 */ |
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65 void StartTimer(); |
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66 |
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67 /** |
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68 * Timer callback function, register trace core to XTI driver |
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69 */ |
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70 static void XtiRegister( TAny* aPtr ); |
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71 |
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72 /** |
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73 * Called from the static timer callback function to perform registration |
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74 */ |
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75 void XtiRegister(); |
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76 |
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77 /** |
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78 * DFC function for incoming data from XTI driver |
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79 */ |
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80 static void ReceiveDfc( TAny* aPtr ); |
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81 |
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82 /** |
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83 * Called from the static DFC function to process incoming data |
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84 */ |
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85 void ReceiveDfc(); |
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86 |
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87 /** |
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88 * Add registering to own Dfc |
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89 */ |
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90 static void XtiRegisterDfc( TAny* aPtr ); |
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91 |
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92 /** |
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93 * Forwards incoming message to callback |
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94 */ |
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95 void NotifyCallback(); |
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96 |
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97 /** |
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98 * Sends message to XTI |
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99 * |
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100 * @param aMsg Message to be sent. |
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101 * @return KErrNone if send successful |
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102 */ |
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103 void SendData( TTraceMessage& aMsg ); |
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104 |
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105 private: |
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106 |
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107 /** |
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108 * DFC which is used for incoming ISI-messages |
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109 */ |
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110 TDfc iReceiveDfc; |
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111 |
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112 /** |
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113 * DFC which is used to receive data from XTI driver |
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114 */ |
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115 TDfc iXtiRegisterDfc; |
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116 |
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117 /** |
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118 * Timer which is used for registration to XTI driver |
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119 */ |
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120 TTickLink iXtiRegisterTimer; |
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121 |
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122 /** |
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123 * ISA Kernel IF Initialisation status |
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124 */ |
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125 TInt iStatus; |
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126 |
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127 /** |
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128 * Length variable for ISA Kernel interface usage |
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129 */ |
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130 TUint16 iNeededLength; |
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131 |
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132 /** |
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133 * Buffer for sending data |
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134 **/ |
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135 TBuf8< 8204 > iSendBuffer; |
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136 |
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137 /** |
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138 * Buffer for incoming data |
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139 **/ |
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140 TBuf8< 8204 > iReceiveBuffer; |
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141 }; |
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142 |
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143 #endif // __TRACECOREXTIIF_H__ |
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144 |
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145 // End of File |