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/* -*- mode: C++; tab-width: 4 -*- */
/* ===================================================================== *\
Copyright (c) 2000-2001 Palm, Inc. or its subsidiaries.
All rights reserved.
This file is part of the Palm OS Emulator.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
\* ===================================================================== */
#ifndef EmSPISlaveADS784x_h
#define EmSPISlaveADS784x_h
#include "EmSPISlave.h" // EmSPISlave
enum EmADSChannelType
{
kChannelUnused,
kChannelPenX,
kChannelPenY,
kChannelBattery7843,
kChannelBattery7846,
kChannelDockSerial,
kChannelDockTwister,
kChannelTemp0,
kChannelTemp1
};
#define kChannelSet1 \
kChannelTemp0, \
kChannelPenY, \
kChannelBattery7846, \
kChannelUnused, \
kChannelUnused, \
kChannelPenX, \
kChannelDockTwister, \
kChannelTemp1
#define kChannelSet2 \
kChannelUnused, \
kChannelPenY, \
kChannelBattery7843, \
kChannelUnused, \
kChannelUnused, \
kChannelPenX, \
kChannelDockSerial, \
kChannelUnused
#define kChannelSet3 \
kChannelUnused, \
kChannelPenY, \
kChannelBattery7843, \
kChannelUnused, \
kChannelUnused, \
kChannelPenX, \
kChannelDockTwister, \
kChannelUnused
class EmSPISlaveADS784x : public EmSPISlave
{
public:
EmSPISlaveADS784x (EmADSChannelType ch0,
EmADSChannelType ch1,
EmADSChannelType ch2,
EmADSChannelType ch3,
EmADSChannelType ch4,
EmADSChannelType ch5,
EmADSChannelType ch6,
EmADSChannelType ch7);
virtual ~EmSPISlaveADS784x (void);
virtual uint16 DoExchange (uint16 control, uint16 data);
protected:
void ProcessCommand (uint8);
void LoadPendingConversion (void);
private:
EmADSChannelType fChannelUse[8];
uint32 fBitBufferIn;
uint16 fBitBufferOut;
int fNumBitsIn;
uint16 fPendingResult;
Bool fHavePending;
int fCommandBitsSeen;
};
#endif // EmSPISlaveADS784x_h
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