/**

 * $Id$

 * External interface to the dreamcast serial port, implemented by 

 * sh4/scif.c

 *

 * Copyright (c) 2005 Nathan Keynes.

 *

 * 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.

 */

#ifndef lxdream_serial_H

#define lxdream_serial_H 1

#include <stdint.h>

#include "lxdream.h"

#ifdef __cplusplus

extern "C" {

#endif

#define SERIAL_8BIT        0x00

#define SERIAL_7BIT        0x40

#define SERIAL_PARITY_OFF  0x00

#define SERIAL_PARITY_EVEN 0x20

#define SERIAL_PARITY_ODD  0x30

#define SERIAL_1STOPBIT    0x00

#define SERIAL_2STOPBITS   0x08

typedef struct serial_device {

    void (*attach)(struct serial_device *dev);

    void (*detach)(struct serial_device *dev);

    void (*destroy)(struct serial_device *dev);

    void (*set_line_speed)(struct serial_device *dev, uint32_t bps);

    void (*set_line_params)(struct serial_device *dev, int flags);

    void (*receive_data)(struct serial_device *dev, uint8_t value);

} *serial_device_t;

serial_device_t serial_attach_device( serial_device_t dev );

serial_device_t serial_detach_device( );

serial_device_t serial_get_device( );

void serial_init();

/**

 * Destroy a serial device.

 */

void serial_destroy_device( serial_device_t dev );

void serial_transmit_data( char *data, int length );

void serial_transmit_break( void );

/**

 * Create a serial device on a host device identified by the given

 * file (ie /dev/tty). If filename identifies a regular file, it is opened

 * for output only.

 */

serial_device_t serial_fd_device_new_filename( const gchar *filename );

/**

 * Create a serial device on the host console (stdin/stdout).

 */

serial_device_t serial_fd_device_new_console();

/**

 * Create a serial device on a pair of file streams (in and out)

 */

serial_device_t serial_fd_device_new_file( FILE *in, FILE *out, gboolean closeOnDestroy );

#ifdef __cplusplus

}

#endif

#endif /* !lxdream_serial_H */