Bochs/bochs/iodev/serial_raw.h

98 lines
2.6 KiB
C++

/////////////////////////////////////////////////////////////////////////
// $Id$
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2004-2013 The Bochs Project
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#if USE_RAW_SERIAL
#ifdef __linux__
#include <linux/serial.h>
#endif
#ifdef WIN32
// experimental raw serial receive support on win32
//#define WIN32_RECEIVE_RAW
#endif
#define P_NONE 0
#define P_ODD 1
#define P_EVEN 2
#define P_HIGH 3
#define P_LOW 4
#define RAW_EVENT_BREAK -1
#define RAW_EVENT_CTS_ON -2
#define RAW_EVENT_CTS_OFF -3
#define RAW_EVENT_DSR_ON -4
#define RAW_EVENT_DSR_OFF -5
#define RAW_EVENT_RING_ON -6
#define RAW_EVENT_RING_OFF -7
#define RAW_EVENT_RLSD_ON -8
#define RAW_EVENT_RLSD_OFF -9
#define RAW_EVENT_FRAME -10
#define RAW_EVENT_OVERRUN -11
#define RAW_EVENT_PARITY -12
#define THREAD_RX_BUFSIZE 8192
#define RX_BUFSIZE 256
class serial_raw : public logfunctions {
public:
serial_raw(const char *devname);
virtual ~serial_raw();
void set_baudrate(int rate);
void set_data_bits(int val);
void set_stop_bits(int val);
void set_parity_mode(int mode);
void set_break(int mode);
void set_modem_control(int ctrl);
int get_modem_status();
void transmit(Bit8u byte);
bx_bool ready_transmit();
bx_bool ready_receive();
int receive();
#ifdef WIN32_RECEIVE_RAW
void serial_thread();
#endif
private:
void setup_port();
#ifdef WIN32_RECEIVE_RAW
void enq_event(Bit16s event);
#endif
bx_bool present;
unsigned rxdata_count;
#ifdef WIN32
HANDLE hCOM;
DCB dcb;
BOOL DCBchanged;
DWORD MSR_value;
Bit16s rxdata_buffer[RX_BUFSIZE];
#ifdef WIN32_RECEIVE_RAW
HANDLE hRawSerialThread;
BOOL thread_active;
BOOL thread_quit;
OVERLAPPED rx_ovl;
OVERLAPPED thread_ovl;
unsigned thread_rxdata_count;
Bit16s thread_rxdata_buffer[THREAD_RX_BUFSIZE];
#endif
#endif
};
#endif