2021-02-06 09:39:32 +01:00
|
|
|
/*
|
|
|
|
|
* Copyright (C) 2002-2011 The DOSBox Team
|
|
|
|
|
*
|
|
|
|
|
* 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 program is distributed in the hope that it will be useful,
|
|
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
|
|
* GNU General Public License for more details.
|
|
|
|
|
*
|
|
|
|
|
* You should have received a copy of the GNU General Public License
|
|
|
|
|
* along with this program; if not, write to the Free Software
|
|
|
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// include guard
|
|
|
|
|
#ifndef DOSBOX_DIRECTSERIAL_WIN32_H
|
|
|
|
|
#define DOSBOX_DIRECTSERIAL_WIN32_H
|
|
|
|
|
|
|
|
|
|
#include "dosbox.h"
|
|
|
|
|
|
|
|
|
|
#if C_DIRECTSERIAL
|
|
|
|
|
|
|
|
|
|
#define DIRECTSERIAL_AVAILIBLE
|
|
|
|
|
#include "serialport.h"
|
|
|
|
|
|
|
|
|
|
#include "libserial.h"
|
|
|
|
|
|
|
|
|
|
class CDirectSerial : public CSerial {
|
|
|
|
|
public:
|
|
|
|
|
CDirectSerial(Bitu id, CommandLine* cmd);
|
|
|
|
|
~CDirectSerial();
|
|
|
|
|
|
|
|
|
|
void updatePortConfig(Bit16u divider, Bit8u lcr);
|
|
|
|
|
void updateMSR();
|
|
|
|
|
void transmitByte(Bit8u val, bool first);
|
|
|
|
|
void setBreak(bool value);
|
|
|
|
|
|
|
|
|
|
void setRTSDTR(bool rts, bool dtr);
|
|
|
|
|
void setRTS(bool val);
|
|
|
|
|
void setDTR(bool val);
|
|
|
|
|
void handleUpperEvent(Bit16u type);
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
COMPORT comport;
|
|
|
|
|
|
|
|
|
|
Bitu rx_state;
|
|
|
|
|
#define D_RX_IDLE 0
|
|
|
|
|
#define D_RX_WAIT 1
|
|
|
|
|
#define D_RX_BLOCKED 2
|
|
|
|
|
#define D_RX_FASTWAIT 3
|
|
|
|
|
|
|
|
|
|
Bitu rx_retry; // counter of retries (every millisecond)
|
|
|
|
|
Bitu rx_retry_max; // how many POLL_EVENTS to wait before causing
|
|
|
|
|
// an overrun error.
|
|
|
|
|
bool doReceive();
|
|
|
|
|
|
|
|
|
|
#if SERIAL_DEBUG
|
|
|
|
|
bool dbgmsg_poll_block;
|
|
|
|
|
bool dbgmsg_rx_block;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
#endif // C_DIRECTSERIAL
|
|
|
|
|
#endif // include guard
|
