/*  $Id: surf_int.h,v 1.13 2004/03/25 00:06:14 jmuelmen Exp $  */

/*  internal libsurf stuff  */
#ifndef _surf_int_inc
#define _surf_int_inc

#define STRLEN 100
#define NCHN 4

/* USB timeout in ms */
#define SURF_TO 1500

#ifdef HAVE_LIBUSB
#include <usb.h>
#elif defined HAVE_SURFWAX
/*  #include "surfwax.h" */
#endif
#include <stdio.h>

/*****************************************************************************  
 *   types we need  
 *****************************************************************************/

struct chan_t {
     char 	board_name[STRLEN];
     int	chn_no;

     int 	foo;
     int 	bar;
};

struct surf_t {
     struct chan_t 	*chn[NCHN];
     char 	board_name[STRLEN];
#ifdef HAVE_LIBUSB
     usb_dev_handle *h;
#elif defined HAVE_SURFWAX
     int h;
#endif
     char	stale;
     int 	baz;
     int 	qux;
     unsigned char rev_major, rev_minor, rev_subminor; /* firmware rev */
};

/*****************************************************************************  
 *   functions we need
 *****************************************************************************/

struct surf_t *surf_get_boards ();

int surflib_init	();
int surf_mod_init	();
int surf_board_init	();

int surft_print_boards  ();

/* various flavors of read/write */
#if 0
/* These are way obsolete */
int surf_write 		(struct chan_t *, char *buf, int count);
int surf_read 		(struct chan_t *, char *buf, int count);
int surf_write_mod 	(const char *mod, char *buf, int count);
#endif

int surf_read_ep 	(struct surf_t *, int ep, char *buf, int count);
int surf_write_ep 	(struct surf_t *, int ep, char *buf, int count);
int surf_write_board 	(const char *b_name, int ep, char *buf, int count);
int surf_read_board     (const char *b_name, int ep, char *buf, int count);

/* accessors */
void surft_init (struct surf_t *);
struct surf_t *surft_create (const char *name);
int surft_set_name (struct surf_t *, const char *);
const char *surft_get_name (const struct surf_t *);
void surft_make_stale (struct surf_t *);
void surft_make_fresh (struct surf_t *);
int surft_stale (const struct surf_t *);
void surft_set_rev (struct surf_t *, unsigned char major, unsigned char minor,
		    unsigned char subminor);
#ifdef HAVE_LIBUSB
usb_dev_handle *surft_get_dev (const struct surf_t *);
void surft_set_dev (struct surf_t *, usb_dev_handle *);
#else
int surft_get_dev (const struct surf_t *);
void surft_set_dev (struct surf_t *, int);
#endif
struct surf_t *surf_search (const char *);
int surf_find_boards ();

void chant_init (struct chan_t *);
int chant_set_board (struct chan_t *, const char *);
const char *chant_get_board (const struct chan_t *);
void chant_set_chn (struct chan_t *, int);
int chant_get_chn (const struct chan_t *);

/*****************************************************************************  
 *   errors
 *****************************************************************************/
#define	ESURFDEV	1
#define	ENBOARDS	2
#define	ENOBOARD	4
#define ENOMOD		8

extern int surf_errno;

/*****************************************************************************  
 *   logging
 *****************************************************************************/
extern int surf_log_level;
#define SURF_LOG(l, args...)  if (l >= surf_log_level)  fprintf(stderr, args)

#define LOGSURF_LOUD 		1
#define LOGSURF_CONNECT 	5
#define LOGSURF_ERROR 		10



#endif /*  _surf_int_inc */