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1 // Copyright (c) 1996-2009 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\misc\t_tmout.cpp |
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15 // |
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16 // |
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17 |
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18 #include <e32test.h> |
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19 #include "d_rndtim.h" |
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20 |
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21 RTest test(_L("T_TMOUT")); |
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22 |
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23 _LIT(KLitThread1Name,"IsrThread"); |
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24 const TInt KThread1Priority = 56; |
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25 _LIT(KLitThread2Name,"WaitThread"); |
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26 const TInt KThread2Priority = 55; |
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27 |
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28 const TInt KTimeout = 5; // milliseconds |
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29 |
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30 volatile TUint32 RandomSignalInterval; |
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31 volatile TUint32 RandomSignalCount; |
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32 volatile TUint32 TotalCount; |
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33 volatile TUint32 TimeoutCount; |
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34 volatile TUint32 BadCount; |
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35 volatile TUint32 Bad0Count; |
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36 volatile TUint32 Bad1Count; |
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37 volatile TUint32 Calibration; |
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38 |
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39 RThread IsrT; |
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40 RThread WaitT; |
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41 RSemaphore Sem; |
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42 |
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43 TInt IsrThread(TAny*) |
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44 { |
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45 RThread me; |
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46 RRndTim rt; |
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47 TInt r = rt.Open(); |
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48 if (r!=KErrNone) |
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49 return r; |
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50 r = rt.SetPriority(me, KThread1Priority); |
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51 if (r!=KErrNone) |
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52 return r; |
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53 rt.StartTimer(); |
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54 Calibration = rt.Calibrate(1024); |
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55 r = rt.SetPriority(WaitT, KThread2Priority); |
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56 if (r!=KErrNone) |
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57 return r; |
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58 WaitT.Resume(); |
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59 RThread::Rendezvous(KErrNone); |
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60 FOREVER |
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61 { |
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62 rt.Wait(); |
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63 if (RandomSignalCount && !--RandomSignalCount) |
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64 { |
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65 RandomSignalCount = RandomSignalInterval; |
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66 Sem.Signal(); |
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67 } |
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68 } |
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69 } |
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70 |
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71 TInt WaitThread(TAny*) |
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72 { |
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73 TUint32 t1, t2; |
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74 FOREVER |
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75 { |
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76 t1 = User::NTickCount(); |
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77 TInt r = Sem.Wait(KTimeout*1000); |
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78 t2 = User::NTickCount(); |
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79 ++TotalCount; |
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80 if (r == KErrTimedOut) |
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81 { |
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82 ++TimeoutCount; |
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83 TInt d = (TInt)(t2-t1); |
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84 if (d<KTimeout) |
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85 ++BadCount; |
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86 if (d==0) |
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87 ++Bad0Count; |
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88 if (d==1) |
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89 ++Bad1Count; |
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90 } |
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91 } |
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92 } |
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93 |
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94 GLDEF_C TInt E32Main() |
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95 { |
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96 test.Title(); |
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97 |
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98 test.Start(_L("Load device driver")); |
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99 TInt r = User::LoadLogicalDevice(_L("d_rndtim.ldd")); |
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100 if (r == KErrNotFound) |
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101 { |
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102 test.Printf(_L("Test not supported on this platform\n")); |
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103 test.End(); |
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104 return 0; |
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105 } |
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106 |
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107 test.Next(_L("Create semaphore")); |
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108 r = Sem.CreateLocal(0); |
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109 test(r==KErrNone); |
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110 |
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111 test.Next(_L("Create ISR thread")); |
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112 r=IsrT.Create(KLitThread1Name, &IsrThread, 0x1000, NULL, NULL); |
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113 test(r==KErrNone); |
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114 |
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115 test.Next(_L("Create wait thread")); |
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116 r=WaitT.Create(KLitThread2Name, &WaitThread, 0x1000, NULL, NULL); |
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117 test(r==KErrNone); |
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118 |
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119 TRequestStatus s; |
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120 IsrT.Rendezvous(s); |
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121 test(s==KRequestPending); |
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122 |
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123 IsrT.Resume(); |
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124 User::WaitForRequest(s); |
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125 test(s==KErrNone); |
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126 test(IsrT.ExitType() == EExitPending); |
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127 test(WaitT.ExitType() == EExitPending); |
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128 |
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129 test.Printf(_L("%d random timers in 1024ms"), Calibration); |
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130 TUint32 interval = (KTimeout * Calibration + 512)/1024; |
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131 test.Printf(_L("Interval %d"), interval); |
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132 RandomSignalInterval = interval; |
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133 RandomSignalCount = interval; |
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134 |
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135 FOREVER |
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136 { |
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137 test.Printf(_L("Total: %8d Timeout: %8d Bad: %4d Bad0: %4d Bad1: %4d\n"), TotalCount, TimeoutCount, BadCount, Bad0Count, Bad1Count); |
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138 User::After(1000000); |
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139 } |
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140 |
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141 |
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142 return 0; |
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143 } |