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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.
\* ===================================================================== */
#include "EmCommon.h"
#include "EmRegsEZPalmV.h"
#include "EmRegsEZPrv.h"
#include "EmDevice.h" // HardwareSubID
#include "EmSession.h" // GetDevice
#include "EmSPISlaveADS784x.h" // EmSPISlaveADS784x
#include "PalmPack.h"
#define NON_PORTABLE
#include "EZSumo/IncsPrv/HardwareEZ.h" // hwrEZPortCLCDEnableOn, etc.
#undef NON_PORTABLE
#include "PalmPackPop.h"
const int kNumButtonRows = 3;
const int kNumButtonCols = 4;
const uint16 kButtonMap[kNumButtonRows][kNumButtonCols] =
{
{ keyBitHard1, keyBitHard2, keyBitHard3, keyBitHard4 },
{ keyBitPageUp, keyBitPageDown, 0, 0 },
{ keyBitPower, keyBitContrast, keyBitHard2, 0 }
};
// ---------------------------------------------------------------------------
// EmRegsEZPalmV::EmRegsEZPalmV
// ---------------------------------------------------------------------------
EmRegsEZPalmV::EmRegsEZPalmV (void) :
EmRegsEZ (),
fSPISlaveADC (new EmSPISlaveADS784x (kChannelSet2))
{
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmV::~EmRegsEZPalmV
// ---------------------------------------------------------------------------
EmRegsEZPalmV::~EmRegsEZPalmV (void)
{
delete fSPISlaveADC;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmV::GetLCDScreenOn
// ---------------------------------------------------------------------------
Bool EmRegsEZPalmV::GetLCDScreenOn (void)
{
return (READ_REGISTER (portCData) & hwrEZPortCLCDEnableOn) != 0;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmV::GetLCDBacklightOn
// ---------------------------------------------------------------------------
Bool EmRegsEZPalmV::GetLCDBacklightOn (void)
{
return (READ_REGISTER (portFData) & hwrEZPortFBacklightOn) != 0;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmV::GetLineDriverState
// ---------------------------------------------------------------------------
// Return whether or not the line drivers for the given object are open or
// closed.
Bool EmRegsEZPalmV::GetLineDriverState (EmUARTDeviceType type)
{
if (type == kUARTSerial)
return (READ_REGISTER (portDData) & hwrEZPortD232Enable) != 0;
if (type == kUARTIR)
return (READ_REGISTER (portGData) & hwrEZPortGIRShutdown) == 0;
return false;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmV::GetPortInputValue
// ---------------------------------------------------------------------------
// Return the GPIO values for the pins on the port. These values are used
// if the select pins are high.
uint8 EmRegsEZPalmV::GetPortInputValue (int port)
{
uint8 result = EmRegsEZ::GetPortInputValue (port);
if (port == 'E')
{
// Return the hardware sub-ID.
EmAssert (gSession);
EmDevice device = gSession->GetDevice ();
result |= ~device.HardwareSubID ();
}
return result;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmV::GetPortInternalValue
// ---------------------------------------------------------------------------
// Return the dedicated values for the pins on the port. These values are
// used if the select pins are low.
uint8 EmRegsEZPalmV::GetPortInternalValue (int port)
{
uint8 result = EmRegsEZ::GetPortInternalValue (port);
if (port == 'D')
{
// Make sure that hwrEZPortDPowerFail is set. If it's clear,
// the battery code will make the device go to sleep immediately.
result |= hwrEZPortDPowerFail;
}
return result;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmV::GetKeyInfo
// ---------------------------------------------------------------------------
void EmRegsEZPalmV::GetKeyInfo (int* numRows, int* numCols,
uint16* keyMap, Bool* rows)
{
*numRows = kNumButtonRows;
*numCols = kNumButtonCols;
memcpy (keyMap, kButtonMap, sizeof (kButtonMap));
// Determine what row is being asked for.
UInt8 portFDir = READ_REGISTER (portFDir);
UInt8 portFData = READ_REGISTER (portFData);
rows[0] = (portFDir & hwrEZPortFKbdRow0) != 0 && (portFData & hwrEZPortFKbdRow0) == 0;
rows[1] = (portFDir & hwrEZPortFKbdRow1) != 0 && (portFData & hwrEZPortFKbdRow1) == 0;
rows[2] = (portFDir & hwrEZPortFKbdRow2) != 0 && (portFData & hwrEZPortFKbdRow2) == 0;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmV::GetSPISlave
// ---------------------------------------------------------------------------
EmSPISlave* EmRegsEZPalmV::GetSPISlave (void)
{
if ((READ_REGISTER (portGData) & hwrEZPortGADCOff) == 0)
{
return fSPISlaveADC;
}
return NULL;
}
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