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1 // Copyright (c) 2008-2009 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 // e32\e32test\demandpaging\d_pagingexample.h |
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15 // Examples for demand paging device driver migration |
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16 // This header defines the interface to four drivers: |
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17 // d_pagingexample_1_pre DLogicalChannel-dervied driver, pre-migration |
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18 // d_pagingexample_1_post DLogicalChannel-dervied driver, post-migration |
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19 // d_pagingexample_2_pre DLogicalChannelBase-dervied driver, pre-migration |
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20 // d_pagingexample_2_post DLogicalChannelBase-dervied driver, post-migration |
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21 // |
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22 // |
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23 |
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24 #ifndef __D_PAGINGEXAMPLE_H__ |
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25 #define __D_PAGINGEXAMPLE_H__ |
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26 |
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27 #include <e32cmn.h> |
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28 |
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29 #ifndef __KERNEL_MODE__ |
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30 #include <e32std.h> |
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31 #endif |
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32 |
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33 _LIT(KPagingExample1PreLdd,"D_PAGINGEXAMPLE_1_PRE"); |
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34 _LIT(KPagingExample1PostLdd,"D_PAGINGEXAMPLE_1_POST"); |
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35 _LIT(KPagingExample2PreLdd,"D_PAGINGEXAMPLE_2_PRE"); |
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36 _LIT(KPagingExample2PostLdd,"D_PAGINGEXAMPLE_2_POST"); |
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37 |
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38 const TInt KMaxTransferSize = 256; |
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39 const TInt KAsyncDelay = 100; // simulated async operations take 100ms |
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40 |
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41 // Common interface to all versions of the example driver |
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42 class RPagingExample : public RBusLogicalChannel |
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43 { |
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44 public: |
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45 enum TControl |
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46 { |
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47 ESetRealtimeState, |
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48 EGetConfig, |
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49 ESetConfig, |
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50 }; |
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51 |
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52 enum TRequest |
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53 { |
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54 ERequestRead, |
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55 ERequestReadDes, |
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56 ERequestWrite, |
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57 ERequestWriteDes, |
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58 ERequestNotify, |
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59 ERequestAsyncGetValue, |
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60 ERequestAsyncGetValue2, |
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61 ERequestCancel, |
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62 }; |
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63 |
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64 struct TConfigData |
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65 { |
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66 TInt iParam1; |
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67 TInt iParam2; |
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68 TInt iParam3; |
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69 TInt iParam4; |
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70 }; |
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71 |
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72 struct TValueStruct |
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73 { |
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74 TInt iValue1; |
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75 TBuf8<4> iValue2; |
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76 }; |
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77 |
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78 #ifndef __KERNEL_MODE__ |
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79 public: |
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80 inline TInt Open(const TDesC& aLddName) |
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81 { return DoCreate(aLddName, TVersion(), KNullUnit, NULL, NULL, EOwnerThread, EFalse); } |
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82 inline TInt SetDfcThreadRealtimeState(TBool aRealtime) // only supported on "1_pre" driver |
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83 { return DoControl(ESetRealtimeState, (TAny*)aRealtime); } |
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84 inline TInt GetConfig(TConfigData& aConfigOut) |
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85 { return DoControl(EGetConfig, (TAny*)&aConfigOut); } |
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86 inline TInt SetConfig(const TConfigData& aConfigIn) |
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87 { return DoControl(ESetConfig, (TAny*)&aConfigIn); } |
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88 inline void Notify(TRequestStatus& aStatus) |
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89 { DoRequest(ERequestNotify, aStatus); } |
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90 inline void AsyncGetValue(TRequestStatus& aStatus, TValueStruct& aValueOut) |
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91 { DoRequest(ERequestAsyncGetValue, aStatus, (TAny*)&aValueOut); } |
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92 inline void AsyncGetValue2(TRequestStatus& aStatus, TInt& aValueOut1, TInt& aValueOut2) |
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93 { DoRequest(ERequestAsyncGetValue2, aStatus, (TAny*)&aValueOut1, (TAny*)&aValueOut2); } |
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94 inline void Read(TRequestStatus& aStatus, TUint8* aBuffer, TInt aLength) |
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95 { DoRequest(ERequestRead, aStatus, aBuffer, (TAny*)aLength); } |
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96 inline void ReadDes(TRequestStatus& aStatus, TDes8& aDesOut) |
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97 { DoRequest(ERequestReadDes, aStatus, &aDesOut); } |
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98 inline void Write(TRequestStatus& aStatus, const TUint8* aBuffer, TInt aLength) |
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99 { DoRequest(ERequestWrite, aStatus, (TAny*)aBuffer, (TAny*)aLength); } |
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100 inline void WriteDes(TRequestStatus& aStatus, const TDesC8& aDesIn) |
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101 { DoRequest(ERequestWriteDes, aStatus, (TAny*)&aDesIn); } |
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102 inline void Cancel() |
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103 { DoCancel(ERequestCancel); } |
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104 #endif |
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105 }; |
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106 |
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107 #endif |