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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 "EmRegsEZPalmM100.h"
#include "EmRegsEZPrv.h"
#include "EmSession.h" // GetDevice
#include "EmSPISlaveADS784x.h" // EmSPISlaveADS784x
// The following are taken from the m100 version of HardwareEZ.h.
/************************************************************************
* Port B Bit settings
************************************************************************/
#define hwrEZPortBKbdRow0 0x01
#define hwrEZPortBLCDVccOff 0x02 // (L) LCD Vcc On
#define hwrEZPortBKbdRow1 0x08
#define hwrEZPortBKbdRow2 0x40
#define hwrEZPortBKbdRows 0x49
#define hwrEZPortBLCDAdjOn 0x40 // (L) LCD Contrast Adjust On (Brad Rev 0)
/************************************************************************
* Port C Bit settings
************************************************************************/
#define hwrEZPortCLCDEnableOn 0x80 // (H) LCD Enable
/************************************************************************
* Port D Bit settings
************************************************************************/
#define hwrEZPortDKbdCol0 0x01 // (H) Keyboard Column 0 (aka INT0)
#define hwrEZPortDKbdCol1 0x02 // (H) Keyboard Column 1 (aka INT1)
#define hwrEZPortDKbdCol2 0x04 // (H) Keyboard Column 2 (aka INT2)
#define hwrEZPortDKbdCol3 0x08 // (H) Keyboard Column 3 (aka INT3)
#define hwrEZPortDKeyBits 0x0F // (H) All Keyboard Columns
#define hwrEZPortDDockButton 0x10 // (L) Dock Button (aka IRQ1) (edge, negative)
#define hwrEZPortD232Enable 0x20 // (L) Serial Shutdown on Sumo Rev 1 (aka IRQ2)
#define hwrEZPortDLCDBiasOn 0x40 // (H) LCD Bias on
#define hwrEZPortDPowerFail 0x80 // (L) Power Fail Interrupt (aka IRQ6) (level, low)
#define hwrEZPortDDataMaskBeforeWrite (~(hwrEZPortDKeyBits)) // Don't write ones to these bits!
#define hwrEZPortDKeyOffset 0x0 // bits to shift to put Col 0 in msb
/************************************************************************
* Port E Bit settings
************************************************************************/
#define hwrEZPortESpiTxD 0x01 // (L) SPI TXD (Internal)
#define hwrEZPortESpiRxD 0x02 // (L) SPI RXD (Internal)
#define hwrEZPortESpiClk 0x04 // SPI Clock
#define hwrEZPortESpiBits 0x07 // all the SPI bits
#define hwrEZPortERXD 0x10 // external RXD
#define hwrEZPortETXD 0x20 // external TXD
#define hwrEZPortECTS 0x80 // external CTS
/************************************************************************
* Port F Bit settings
************************************************************************/
#define hwrEZPortFLCDBiasData 0x01 // LCD Bias data
#define hwrEZPortFPenIO 0x02 // (L) Pen Interrupt,Pen I/O
#define hwrEZPortFLCDBiasStrb 0x04 // LCD Bias strobe
#define hwrEZPortFBacklightOn 0x20 // (H) Backlight on
#define hwrEZPortFLCDDispOn 0x40 // (H) LCD display on
#define hwrEZPortFLCDBiasClk 0x80 // LCD Bias clock
#define hwrEZPortFLCDAdjOn 0x01 // (L) LCD Contrast Adjust On (Brad Rev 1)
#define hwrEZPortF232Enable 0x04 // (L) Shutdown Serial
#define hwrEZPortFContrastPWM 0x01 // (L) PWM output for LCD contrast
/************************************************************************
* Port G Bit settings
************************************************************************/
#define hwrEZPortGDTACK 0x01 // (L) DTACK
#define hwrEZPortGFree1 0x02 // (-) FREE5
#define hwrEZPortGIDDetect 0x04 // (L) ID select (drives kbd)
#define hwrEZPortGLiIonVoltReadDis 0x08 // (L) Enable A/D Voltage Divider
#define hwrEZPortGIRShutdown 0x10 // (H) Shutdown IRDA
#define hwrEZPortGADCOff 0x20 // (L) A/D Select
const int kNumButtonRows = 3;
const int kNumButtonCols = 4;
const uint16 kButtonMap[kNumButtonRows][kNumButtonCols] =
{
{ keyBitHard1, keyBitHard2, keyBitHard3, keyBitHard4 },
{ 0, keyBitPageDown, 0, 0 },
{ keyBitPower, keyBitPageUp, keyBitHard2, 0 }
};
// ---------------------------------------------------------------------------
// EmRegsEZPalmM100::EmRegsEZPalmM100
// ---------------------------------------------------------------------------
EmRegsEZPalmM100::EmRegsEZPalmM100 (void) :
EmRegsEZ (),
fSPISlaveADC (new EmSPISlaveADS784x (kChannelSet2))
{
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmM100::~EmRegsEZPalmM100
// ---------------------------------------------------------------------------
EmRegsEZPalmM100::~EmRegsEZPalmM100 (void)
{
delete fSPISlaveADC;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmM100::GetLCDScreenOn
// ---------------------------------------------------------------------------
Bool EmRegsEZPalmM100::GetLCDScreenOn (void)
{
return (READ_REGISTER (portFData) & hwrEZPortFLCDDispOn) != 0;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmM100::GetLCDBacklightOn
// ---------------------------------------------------------------------------
Bool EmRegsEZPalmM100::GetLCDBacklightOn (void)
{
return (READ_REGISTER (portFData) & hwrEZPortFBacklightOn) != 0;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmM100::GetLineDriverState
// ---------------------------------------------------------------------------
// Return whether or not the line drivers for the given object are open or
// closed.
Bool EmRegsEZPalmM100::GetLineDriverState (EmUARTDeviceType type)
{
if (type == kUARTSerial)
return (READ_REGISTER (portDData) & hwrEZPortD232Enable) != 0;
if (type == kUARTIR)
return (READ_REGISTER (portGData) & hwrEZPortGIRShutdown) == 0;
return false;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmM100::GetPortInputValue
// ---------------------------------------------------------------------------
// Return the GPIO values for the pins on the port. These values are used
// if the select pins are high.
uint8 EmRegsEZPalmM100::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;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmM100::GetPortInternalValue
// ---------------------------------------------------------------------------
// Return the dedicated values for the pins on the port. These values are
// used if the select pins are low.
uint8 EmRegsEZPalmM100::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;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmM100::GetKeyInfo
// ---------------------------------------------------------------------------
void EmRegsEZPalmM100::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 portBDir = READ_REGISTER (portBDir);
UInt8 portBData = READ_REGISTER (portBData);
rows[0] = (portBDir & hwrEZPortBKbdRow0) != 0 && (portBData & hwrEZPortBKbdRow0) == 0;
rows[1] = (portBDir & hwrEZPortBKbdRow1) != 0 && (portBData & hwrEZPortBKbdRow1) == 0;
rows[2] = (portBDir & hwrEZPortBKbdRow2) != 0 && (portBData & hwrEZPortBKbdRow2) == 0;
}
// ---------------------------------------------------------------------------
// EmRegsEZPalmM100::GetSPISlave
// ---------------------------------------------------------------------------
EmSPISlave* EmRegsEZPalmM100::GetSPISlave (void)
{
if ((READ_REGISTER (portGData) & hwrEZPortGADCOff) == 0)
{
return fSPISlaveADC;
}
return NULL;
}
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