diff options
Diffstat (limited to 'SrcShared/Hardware/EmRegsEZPalmM100.cpp')
| -rw-r--r-- | SrcShared/Hardware/EmRegsEZPalmM100.cpp | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/SrcShared/Hardware/EmRegsEZPalmM100.cpp b/SrcShared/Hardware/EmRegsEZPalmM100.cpp new file mode 100644 index 0000000..684d0ee --- /dev/null +++ b/SrcShared/Hardware/EmRegsEZPalmM100.cpp @@ -0,0 +1,247 @@ +/* -*- 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; +} |