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1 // Copyright (c) 1997-2009 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 "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 // |
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15 |
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16 #include "consolealarmalertledflasher.h" |
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17 |
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18 // System includes |
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19 #include <hal.h> |
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20 |
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21 // User includes |
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22 #include "asaltdefs.h" |
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23 |
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24 // Type definitions |
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25 |
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26 // Constants |
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27 const TInt KFlasherPeriodicity = 500000; |
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28 |
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29 // Enumerations |
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30 |
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31 // Classes referenced |
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32 |
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33 |
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34 // |
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35 // ----> CConsoleAlarmAlertLEDFlasher (source) |
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36 // |
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37 |
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38 //************************************************************************************* |
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39 CConsoleAlarmAlertLEDFlasher::CConsoleAlarmAlertLEDFlasher() |
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40 : CTimer(CActive::EPriorityIdle) |
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41 { |
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42 CActiveScheduler::Add(this); |
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43 } |
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44 |
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45 |
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46 //************************************************************************************* |
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47 CConsoleAlarmAlertLEDFlasher* CConsoleAlarmAlertLEDFlasher::NewL() |
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48 { |
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49 CConsoleAlarmAlertLEDFlasher* self = new(ELeave) CConsoleAlarmAlertLEDFlasher(); |
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50 CleanupStack::PushL(self); |
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51 self->ConstructL(); |
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52 CleanupStack::Pop(self); |
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53 return self; |
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54 } |
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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 // |
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60 |
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61 |
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62 //************************************************************************************* |
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63 /** |
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64 * Start the flasher, if not busy |
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65 */ |
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66 TInt CConsoleAlarmAlertLEDFlasher::Start() |
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67 { |
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68 Stop(); |
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69 After(KFlasherPeriodicity); |
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70 return(SetRedLedOn(ETrue)); |
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71 } |
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72 |
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73 |
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74 //************************************************************************************* |
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75 /** |
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76 * Stop the LED flashing |
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77 */ |
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78 void CConsoleAlarmAlertLEDFlasher::Stop() |
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79 { |
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80 Cancel(); |
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81 SetRedLedOn(EFalse); |
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82 } |
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83 |
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84 |
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85 // |
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86 // |
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87 // |
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88 |
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89 |
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90 //************************************************************************************* |
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91 /** |
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92 * @see CActive |
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93 */ |
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94 void CConsoleAlarmAlertLEDFlasher::RunL() |
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95 { |
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96 if (iStatus!=KErrNone) |
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97 { |
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98 SetRedLedOn(EFalse); |
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99 return; |
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100 } |
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101 SetRedLedOn(!iLedOn); |
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102 After(KFlasherPeriodicity); |
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103 } |
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104 |
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105 |
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106 // |
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107 // |
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108 // |
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109 |
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110 |
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111 //************************************************************************************* |
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112 /** |
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113 * Turn the LED on or off |
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114 */ |
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115 TInt CConsoleAlarmAlertLEDFlasher::SetRedLedOn(TBool aOn) |
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116 { |
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117 const TInt KClearAllLeds = 0; |
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118 const TInt KLedMaskRed1 = 1; |
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119 |
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120 iLedOn = aOn; |
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121 if (iLedOn) |
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122 { |
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123 return HAL::Set(HAL::ELEDmask, KLedMaskRed1); |
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124 } |
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125 else |
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126 { |
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127 return HAL::Set(HAL::ELEDmask, KClearAllLeds); |
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128 } |
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129 } |
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130 |