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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.
\* ===================================================================== */
// This file provides emulation at the register level for TRG's
// TRGpro handheld computer, which uses the EZ processor
#include "EmCommon.h"
#include "EmRegsEZTRGpro.h"
#include "EmRegsEZPrv.h"
#include "EmSPISlaveADS784x.h" // EmSPISlaveADS784x
#include "PalmPack.h"
#define NON_PORTABLE
#include "EZSumo/IncsPrv/HardwareEZ.h" // hwrEZPortCLCDEnableOn, etc.
#undef NON_PORTABLE
#include "PalmPackPop.h"
// TRGpro Defines
#define hwrEZPortDCFInit 0x40
#define hwrEZPortGDO_LATCH 0x08 // SPI DO_LATCH enable
#define hwrEZPortBLCDVccOff 0x02 // LCD VCC off
#define hwrEZPortD232EnableTRGpro 0x20 // RS 232 enable
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 }
};
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::EmRegsEZTRGpro
// ---------------------------------------------------------------------------
EmRegsEZTRGpro::EmRegsEZTRGpro (CFBusManager ** fBusMgr) :
EmRegsEZ (),
fSPISlaveADC (new EmSPISlaveADS784x (kChannelSet2))
{
*fBusMgr = &CFBus;
}
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::~EmRegsEZTRGpro
// ---------------------------------------------------------------------------
EmRegsEZTRGpro::~EmRegsEZTRGpro (void)
{
delete fSPISlaveADC;
}
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::Initialize
// ---------------------------------------------------------------------------
void EmRegsEZTRGpro::Initialize(void)
{
bBacklightOn = false;
CFBus.bEnabled = false;
CFBus.Width = kCFBusWidth16;
CFBus.bSwapped = false;
EmRegsEZ::Initialize();
}
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::GetLCDScreenOn
// ---------------------------------------------------------------------------
Bool EmRegsEZTRGpro::GetLCDScreenOn (void)
{
return (READ_REGISTER (portCData) & hwrEZPortCLCDEnableOn) != 0;
}
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::GetLCDBacklightOn
// ---------------------------------------------------------------------------
Bool EmRegsEZTRGpro::GetLCDBacklightOn (void)
{
return (bBacklightOn);
}
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::GetLineDriverState
// ---------------------------------------------------------------------------
// Return whether or not the line drivers for the given object are open or
// closed.
Bool EmRegsEZTRGpro::GetLineDriverState (EmUARTDeviceType type)
{
if (type == kUARTSerial)
return (READ_REGISTER (portDData) & hwrEZPortD232EnableTRGpro) != 0;
if (type == kUARTIR)
return (READ_REGISTER (portGData) & 0x10) == 0;
return false;
}
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::GetPortInputValue
// ---------------------------------------------------------------------------
// Return the GPIO values for the pins on the port. These values are used
// if the select pins are high.
uint8 EmRegsEZTRGpro::GetPortInputValue (int port)
{
uint8 result = EmRegsEZ::GetPortInputValue (port);
return result;
}
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::GetPortInternalValue
// ---------------------------------------------------------------------------
// Return the dedicated values for the pins on the port. These values are
// used if the select pins are low.
uint8 EmRegsEZTRGpro::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 |= (hwrEZPortDCFInit | hwrEZPortDPowerFail);
}
return result;
}
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::GetKeyInfo
// ---------------------------------------------------------------------------
void EmRegsEZTRGpro::GetKeyInfo (int* numRows, int* numCols,
uint16* keyMap, Bool* rows)
{
// KeyRowsType keyRows;
*numRows = kNumButtonRows;
*numCols = kNumButtonCols;
memcpy (keyMap, kButtonMap, sizeof (kButtonMap));
// Determine what row is being asked for.
rows[0] = Keys.Row[0];
rows[1] = Keys.Row[1];
rows[2] = Keys.Row[2];
}
void EmRegsEZTRGpro::LatchSpi(void)
{
uint16 latched = spiUnlatchedVal;
bBacklightOn = ((latched & SPIBacklightOn) != 0);
CFBus.bEnabled = ((latched & (SPICardBufferOff |
SPICardSlotPwrOff)) == 0);
CFBus.bSwapped = ((latched & SPIBusSwapOff) == 0);
if (latched & SPIBusWidth8)
CFBus.Width = kCFBusWidth8;
else
CFBus.Width = kCFBusWidth16;
Keys.Row[0] = !(latched & SPIKeyRow0);
Keys.Row[1] = !(latched & SPIKeyRow1);
Keys.Row[2] = !(latched & SPIKeyRow2);
}
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::GetKeyInfo
// ---------------------------------------------------------------------------
void EmRegsEZTRGpro::PortDataChanged (int port, uint8 oldValue, uint8 newValue)
{
if (port == 'G')
{
// If the the DO_LATCH bit is set, then the recent value
// written to the SPI controller is for us, and not
// the touchscreen
if (newValue & hwrEZPortGDO_LATCH)
LatchSpi();
}
EmRegsEZ::PortDataChanged(port, oldValue, newValue);
}
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::spiWrite
//
// We need to share SPI writes with the touchscreen ...
// ---------------------------------------------------------------------------
void EmRegsEZTRGpro::spiWrite(emuptr address, int size, uint32 value)
{
spiUnlatchedVal = value;
EmRegsEZ::spiMasterControlWrite (address, size, value);
}
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::SetSubBankHandlers
// ---------------------------------------------------------------------------
void EmRegsEZTRGpro::SetSubBankHandlers(void)
{
EmRegsEZ::SetSubBankHandlers();
this->SetHandler((ReadFunction)&EmRegs::StdRead,
(WriteFunction)&EmRegsEZTRGpro::spiWrite,
addressof(spiMasterData),
sizeof(f68EZ328Regs.spiMasterData));
}
// ---------------------------------------------------------------------------
// ¥ EmRegsEZTRGpro::GetSPISlave
// ---------------------------------------------------------------------------
EmSPISlave* EmRegsEZTRGpro::GetSPISlave (void)
{
if ((READ_REGISTER (portGData) & hwrEZPortGADCOff) == 0)
{
return fSPISlaveADC;
}
return NULL;
}
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