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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 EmHAL_h
#define EmHAL_h
#include "Skins.h" // SkinElementType
class EmHAL;
class EmPixMap;
class EmScreenUpdateInfo;
enum
{
kLEDOff = 0x00,
kLEDGreen = 0x01,
kLEDRed = 0x02
};
enum EmUARTDeviceType
{
kUARTBegin = 0,
kUARTSerial = kUARTBegin,
kUARTIR,
kUARTBluetooth,
kUARTMystery,
kUARTNone,
kUARTEnd
};
DEFINE_SCALAR_MODIFIERS (EmUARTDeviceType)
class EmHALHandler
{
public:
EmHALHandler (void);
virtual ~EmHALHandler (void);
virtual void Cycle (Bool sleeping);
virtual void CycleSlowly (Bool sleeping);
virtual void ButtonEvent (SkinElementType, Bool buttonIsDown);
virtual void TurnSoundOff (void);
virtual void ResetTimer (void);
virtual void ResetRTC (void);
virtual int32 GetInterruptLevel (void);
virtual int32 GetInterruptBase (void);
virtual Bool GetLCDScreenOn (void);
virtual Bool GetLCDBacklightOn (void);
virtual Bool GetLCDHasFrame (void);
virtual void GetLCDBeginEnd (emuptr&, emuptr&);
virtual void GetLCDScanlines (EmScreenUpdateInfo& info);
virtual int32 GetDynamicHeapSize (void);
virtual int32 GetROMSize (void);
virtual emuptr GetROMBaseAddress (void);
virtual Bool ChipSelectsConfigured (void);
virtual int32 GetSystemClockFrequency (void);
virtual Bool GetCanStop (void);
virtual Bool GetAsleep (void);
virtual uint8 GetPortInputValue (int);
virtual uint8 GetPortInternalValue (int);
virtual void PortDataChanged (int, uint8, uint8);
virtual void GetKeyInfo (int* numRows, int* numCols,
uint16* keyMap, Bool* rows);
virtual Bool GetLineDriverState (EmUARTDeviceType);
virtual EmUARTDeviceType GetUARTDevice (int uartNum);
virtual Bool GetDTR (int uartNum);
virtual Bool GetVibrateOn (void);
virtual uint16 GetLEDState (void);
protected:
EmHALHandler* GetNextHandler (void) { return fNextHandler; }
private:
EmHALHandler* fNextHandler;
EmHALHandler* fPrevHandler;
friend class EmHAL;
};
class EmHAL
{
public:
static void AddHandler (EmHALHandler*);
static void RemoveHandler (EmHALHandler*);
static void EnsureCoverage (void);
static void Cycle (Bool sleeping);
static void CycleSlowly (Bool sleeping);
static void ButtonEvent (SkinElementType, Bool buttonIsDown);
static void TurnSoundOff (void);
static void ResetTimer (void);
static void ResetRTC (void);
static int32 GetInterruptLevel (void);
static int32 GetInterruptBase (void);
static Bool GetLCDScreenOn (void);
static Bool GetLCDBacklightOn (void);
static Bool GetLCDHasFrame (void);
static void GetLCDBeginEnd (emuptr&, emuptr&);
static void GetLCDScanlines (EmScreenUpdateInfo& info);
static int32 GetDynamicHeapSize (void);
static int32 GetROMSize (void);
static emuptr GetROMBaseAddress (void);
static Bool ChipSelectsConfigured (void);
static int32 GetSystemClockFrequency (void);
static Bool GetCanStop (void);
static Bool GetAsleep (void);
static uint8 GetPortInputValue (int);
static uint8 GetPortInternalValue (int);
static void PortDataChanged (int, uint8, uint8);
static void GetKeyInfo (int* numRows, int* numCols,
uint16* keyMap, Bool* rows);
static void LineDriverChanged (EmUARTDeviceType);
static Bool GetLineDriverState (EmUARTDeviceType);
static EmUARTDeviceType GetUARTDevice (int uartNum);
static void GetLineDriverStates (Bool* states);
static void CompareLineDriverStates (const Bool* oldStates);
static Bool GetDTR (int uartNum);
static void DTRChanged (int uartNum);
static Bool GetVibrateOn (void);
static uint16 GetLEDState (void);
private:
static EmHALHandler* GetRootHandler (void) { return fgRootHandler; }
static EmHALHandler* fgRootHandler;
};
inline void EmHAL::Cycle (Bool sleeping)
{
EmAssert (EmHAL::GetRootHandler());
EmHAL::GetRootHandler()->Cycle (sleeping);
}
#endif /* EmHAL_h */
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