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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 EmTransportSerial_h
#define EmTransportSerial_h
#include "EmTransport.h"
#include <map>
#include <string>
#include <vector>
class EmHostTransportSerial;
class EmTransportSerial : public EmTransport
{
public:
typedef string PortName;
typedef long Baud;
typedef long StopBits;
typedef long DataBits;
typedef long HwrHandshake;
typedef vector<PortName> PortNameList;
typedef vector<Baud> BaudList;
enum Parity
{
kNoParity,
kOddParity,
kEvenParity
};
enum RTSControl
{
kRTSOff,
kRTSOn,
kRTSAuto
};
// Note: this used to be named "Config", but that runs
// afoul of a bug in VC++ (see KB Q143082).
struct ConfigSerial : public EmTransport::Config
{
ConfigSerial (void);
virtual ~ConfigSerial (void);
virtual EmTransport* NewTransport (void);
virtual EmTransport* GetTransport (void);
bool operator==(const ConfigSerial& other) const;
PortName fPort;
Baud fBaud;
Parity fParity;
StopBits fStopBits;
DataBits fDataBits;
HwrHandshake fHwrHandshake;
};
typedef map<PortName, EmTransportSerial*> OpenPortList;
public:
EmTransportSerial (void);
EmTransportSerial (const EmTransportDescriptor&);
EmTransportSerial (const ConfigSerial&);
virtual ~EmTransportSerial (void);
virtual ErrCode Open (void);
virtual ErrCode Close (void);
virtual ErrCode Read (long&, void*);
virtual ErrCode Write (long&, const void*);
virtual Bool CanRead (void);
virtual Bool CanWrite (void);
virtual long BytesInBuffer (long minBytes);
virtual string GetSpecificName (void);
ErrCode SetConfig (const ConfigSerial&);
void GetConfig (ConfigSerial&);
void SetRTS (RTSControl state);
void SetDTR (Bool state);
void SetBreak (Bool state);
Bool GetCTS (void);
Bool GetDSR (void);
static EmTransportSerial* GetTransport (const ConfigSerial&);
static void GetDescriptorList (EmTransportDescriptorList&);
static void GetSerialBaudList (BaudList&);
private:
void HostConstruct (void);
void HostDestruct (void);
ErrCode HostOpen (void);
ErrCode HostClose (void);
ErrCode HostRead (long&, void*);
ErrCode HostWrite (long&, const void*);
long HostBytesInBuffer (long minBytes);
ErrCode HostSetConfig (const ConfigSerial&);
void HostSetRTS (RTSControl state);
void HostSetDTR (Bool state);
void HostSetBreak (Bool state);
Bool HostGetCTS (void);
Bool HostGetDSR (void);
static void HostGetPortNameList (PortNameList&);
static void HostGetSerialBaudList (BaudList&);
EmHostTransportSerial* fHost;
ConfigSerial fConfig;
Bool fCommEstablished;
static OpenPortList fgOpenPorts;
};
#endif /* EmTransportSerial_h */
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