winuart.h

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/* winuart.h

   Copyright 1997 by InterNiche Technologies.
	Copyright 1996 by NetPort Software

7/20/96 - Created for NAT DOS demo. John Bartas @ NetPort Software
8/28/97 - Modefied to support raw uart (no modem) as a comline driver -JB-
*/

#ifndef UART_BUFSIZ
#define UART_BUFSIZ  1024  /* must be power of two */
#endif

#ifndef MAXUNITS  /* max. logical SLIP/PPP connections */
#define MAXUNITS 4
#endif

#ifndef MAXCOMMS  /* max. PC Com ports, 2 or 4 */
#define MAXCOMMS 2
#endif

#include "comline.h"

struct com_win
{
   void *   dev;           /* file handle for Windows COM IO */
   long     uart_gets;     /* get_uart received char count */
   long     uart_tmo;      /* put_uart timeouts */
   long     uart_out;      /* put_uart chars out */
   int      uart_open;     /* TRUE if uart_init() has been called (and close has not) */
   int      uart_unit;     /* PPP (or SLIP) unit for this comport */
   long     baudrate;      /* baud rate set to uart */
   struct com_line * p_line;  /* protocol's com_line struct */
};

extern int comport_map[MAXUNITS]; /* map logical units to PC com ports */
extern struct com_win com_ports[MAXCOMMS];


/* system stuff */
extern void exit_hook(void (*)(void));
extern void  uart_closehook(void);