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1 // Copyright (c) 1999-2009 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 #include <hal.h> |
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18 #include <asaltdefs.h> |
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19 |
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20 const TInt KFlasherPeriodicity = 500000; |
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21 |
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22 CConsoleAlarmAlertLEDFlasher::CConsoleAlarmAlertLEDFlasher() |
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23 : CTimer(CActive::EPriorityIdle) |
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24 { |
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25 CActiveScheduler::Add(this); |
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26 } |
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27 |
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28 CConsoleAlarmAlertLEDFlasher* CConsoleAlarmAlertLEDFlasher::NewL() |
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29 { |
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30 CConsoleAlarmAlertLEDFlasher* self = new(ELeave) CConsoleAlarmAlertLEDFlasher(); |
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31 CleanupStack::PushL(self); |
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32 self->ConstructL(); |
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33 CleanupStack::Pop(self); |
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34 return self; |
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35 } |
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36 |
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37 /** |
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38 * Start the flasher, if not busy |
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39 */ |
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40 TInt CConsoleAlarmAlertLEDFlasher::Start() |
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41 { |
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42 Stop(); |
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43 After(KFlasherPeriodicity); |
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44 return(SetRedLedOn(ETrue)); |
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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 /** |
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50 * Stop the LED flashing |
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51 */ |
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52 void CConsoleAlarmAlertLEDFlasher::Stop() |
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53 { |
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54 Cancel(); |
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55 SetRedLedOn(EFalse); |
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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 //************************************************************************************* |
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65 /** |
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66 * @see CActive |
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67 */ |
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68 void CConsoleAlarmAlertLEDFlasher::RunL() |
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69 { |
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70 if (iStatus!=KErrNone) |
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71 { |
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72 SetRedLedOn(EFalse); |
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73 return; |
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74 } |
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75 SetRedLedOn(!iLedOn); |
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76 After(KFlasherPeriodicity); |
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77 } |
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78 |
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79 |
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80 // |
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81 // |
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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 * Turn the LED on or off |
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88 */ |
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89 TInt CConsoleAlarmAlertLEDFlasher::SetRedLedOn(TBool aOn) |
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90 { |
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91 const TInt KClearAllLeds = 0; |
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92 const TInt KLedMaskRed1 = 1; |
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93 |
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94 iLedOn = aOn; |
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95 if (iLedOn) |
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96 { |
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97 return HAL::Set(HAL::ELEDmask, KLedMaskRed1); |
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98 } |
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99 else |
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100 { |
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101 return HAL::Set(HAL::ELEDmask, KClearAllLeds); |
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102 } |
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103 } |
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104 |