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/* -*- mode: C++; tab-width: 4 -*- */
/* ===================================================================== *\
Copyright (c) 1999-2001 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 EmROMTransfer_h
#define EmROMTransfer_h
class EmTransport;
#include "EmDlg.h" // EmDlgRef
#include "EmTypes.h" // ErrCode
#include "Miscellaneous.h" // StMemory
class EmROMTransfer
{
public:
EmROMTransfer (EmTransport*);
~EmROMTransfer (void);
static void ROMTransfer (void);
Bool Continue (EmDlgRef);
void Abort (EmDlgRef);
long Size (void);
void* Data (void);
private:
Bool WaitForTransport (EmDlgRef);
Bool ReadSomeData (EmDlgRef);
uint8 HandleNewBlock (void);
uint8 CheckForTimeouts (void);
void BufferPendingData (void);
Bool HaveValidBlock (void);
Bool HaveEntireROM (void);
Bool ValidXModemBlock (const uint8* block);
void SendByte (uint8 byte);
void UpdateProgress (EmDlgRef, long, long, long);
static void ResetSerialPort (EmTransport* oldPort,
EmTransport* serPort);
private:
int fState;
EmTransport* fTransport;
long fROMSize;
long fROMRead;
StMemory fROMBuffer;
Bool fHaveFirstBlock;
Bool fHaveLastBlock;
uint8 fLastValidBlock;
long fProgressCaption;
long fProgressValue;
long fProgressMax;
uint32 fProgressLastUpdate;
enum { kProgressTimeout = 300 }; // Milliseconds
enum { kTimeout = 1 * 1000 }; // Milliseconds
uint32 fTimeoutBase;
enum { kXModemBlockSize = 1024L };
enum { kBufferSize = 2 * kXModemBlockSize };
uint8 fTempBuffer[kBufferSize];
long fTempBufferOffset;
};
#endif /* EmROMTransfer_h */
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