|
sl@0
|
1 |
// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
sl@0
|
2 |
// All rights reserved.
|
|
sl@0
|
3 |
// This component and the accompanying materials are made available
|
|
sl@0
|
4 |
// under the terms of the License "Eclipse Public License v1.0"
|
|
sl@0
|
5 |
// which accompanies this distribution, and is available
|
|
sl@0
|
6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
sl@0
|
7 |
//
|
|
sl@0
|
8 |
// Initial Contributors:
|
|
sl@0
|
9 |
// Nokia Corporation - initial contribution.
|
|
sl@0
|
10 |
//
|
|
sl@0
|
11 |
// Contributors:
|
|
sl@0
|
12 |
//
|
|
sl@0
|
13 |
// Description:
|
|
sl@0
|
14 |
// e32\include\drivers\adc.h
|
|
sl@0
|
15 |
// ADC controller header file
|
|
sl@0
|
16 |
// Currently only used in Series 5mx port
|
|
sl@0
|
17 |
//
|
|
sl@0
|
18 |
//
|
|
sl@0
|
19 |
|
|
sl@0
|
20 |
/**
|
|
sl@0
|
21 |
@file
|
|
sl@0
|
22 |
@internalTechnology
|
|
sl@0
|
23 |
*/
|
|
sl@0
|
24 |
|
|
sl@0
|
25 |
#ifndef __M32ADC_H__
|
|
sl@0
|
26 |
#define __M32ADC_H__
|
|
sl@0
|
27 |
#include <platform.h>
|
|
sl@0
|
28 |
|
|
sl@0
|
29 |
const TInt KNumAdcChannelPriorities=4;
|
|
sl@0
|
30 |
|
|
sl@0
|
31 |
// ADC operation is specified by a list of commands
|
|
sl@0
|
32 |
// Each command is specified by a 32 bit word:
|
|
sl@0
|
33 |
// Bit 16=1 -> wait for n ms before proceeding to next command (n=bits 0-15)
|
|
sl@0
|
34 |
// Bit 17=1 -> do preamble
|
|
sl@0
|
35 |
// Bit 18=1 -> do postamble
|
|
sl@0
|
36 |
// Bit 19=1 -> take a reading
|
|
sl@0
|
37 |
// Bit 20=1 -> don't store reading
|
|
sl@0
|
38 |
|
|
sl@0
|
39 |
enum TAdcCommand
|
|
sl@0
|
40 |
{
|
|
sl@0
|
41 |
EAdcCmdWait=0x10000,
|
|
sl@0
|
42 |
EAdcCmdPreamble=0x20000,
|
|
sl@0
|
43 |
EAdcCmdPostamble=0x40000,
|
|
sl@0
|
44 |
EAdcCmdReading=0x80000,
|
|
sl@0
|
45 |
EAdcCmdDiscard=0x100000,
|
|
sl@0
|
46 |
EAdcCmdDummyReading=0x180000,
|
|
sl@0
|
47 |
};
|
|
sl@0
|
48 |
|
|
sl@0
|
49 |
class DAdc;
|
|
sl@0
|
50 |
class TAdcChannel : public TPriListLink
|
|
sl@0
|
51 |
{
|
|
sl@0
|
52 |
public:
|
|
sl@0
|
53 |
IMPORT_C TAdcChannel(TInt anAdc);
|
|
sl@0
|
54 |
public:
|
|
sl@0
|
55 |
IMPORT_C void Read(TInt* aReadingBuffer);
|
|
sl@0
|
56 |
public:
|
|
sl@0
|
57 |
IMPORT_C virtual void Preamble();
|
|
sl@0
|
58 |
IMPORT_C virtual void Postamble();
|
|
sl@0
|
59 |
virtual void Complete()=0;
|
|
sl@0
|
60 |
public:
|
|
sl@0
|
61 |
DAdc* iAdc;
|
|
sl@0
|
62 |
TInt iChannelId;
|
|
sl@0
|
63 |
TInt iCommandCount;
|
|
sl@0
|
64 |
const TInt* iCommandList;
|
|
sl@0
|
65 |
TInt* iReadings;
|
|
sl@0
|
66 |
};
|
|
sl@0
|
67 |
|
|
sl@0
|
68 |
NONSHARABLE_CLASS(DAdc) : public DBase
|
|
sl@0
|
69 |
{
|
|
sl@0
|
70 |
public:
|
|
sl@0
|
71 |
DAdc();
|
|
sl@0
|
72 |
~DAdc();
|
|
sl@0
|
73 |
public:
|
|
sl@0
|
74 |
virtual void StartConversion(TInt aChannelId)=0;
|
|
sl@0
|
75 |
public:
|
|
sl@0
|
76 |
void Add(TAdcChannel* aChannel);
|
|
sl@0
|
77 |
void Execute(TAdcChannel* aChannel);
|
|
sl@0
|
78 |
void NextCommand();
|
|
sl@0
|
79 |
void Start();
|
|
sl@0
|
80 |
void ConversionComplete(TInt aValue);
|
|
sl@0
|
81 |
void TimerExpired();
|
|
sl@0
|
82 |
TInt DoSetMinPriority(TInt aPriority);
|
|
sl@0
|
83 |
IMPORT_C static TInt SetMinPriority(TInt anAdc, TInt aPriority);
|
|
sl@0
|
84 |
public:
|
|
sl@0
|
85 |
TPriList<TAdcChannel,KNumAdcChannelPriorities> iList;
|
|
sl@0
|
86 |
TAdcChannel* iCurrentChannel;
|
|
sl@0
|
87 |
TInt iCurrentCommand;
|
|
sl@0
|
88 |
const TInt* iCommandPtr;
|
|
sl@0
|
89 |
TInt iCommandCount;
|
|
sl@0
|
90 |
NTimer iTimer;
|
|
sl@0
|
91 |
TInt iMinPriority;
|
|
sl@0
|
92 |
static DAdc** TheAdcs;
|
|
sl@0
|
93 |
static TInt NumberOfAdcs;
|
|
sl@0
|
94 |
};
|
|
sl@0
|
95 |
|
|
sl@0
|
96 |
#endif
|