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/*
Copyright (c) 1997,1998 Eugene G. Crosser
Copyright (c) 1998 Bruce D. Lightner (DOS/Windows support)
You may do virtually what you wish with this software, as long
as the explicit reference to its original author is retained.
THIS SOFTWARE IS PROVIDED AS IS AND COME WITH NO WARRANTY OF ANY
KIND, EITHER EXPRESSED OR IMPLIED. IN NO EVENT WILL THE
COPYRIGHT HOLDER BE LIABLE FOR ANY DAMAGES RESULTING FROM THE
USE OF THIS SOFTWARE.
*/
#ifndef _EPH_IO_H
#define _EPH_IO_H
#include <sys/types.h>
#if defined(UNIX)
#include <termios.h>
#elif defined(MSWINDOWS)
#include <windows.h>
#endif
#include <stdlib.h>
#ifndef DC1
#define DC1 0x11
#endif
#define MAX_SPEED 115200
typedef struct _eph_iob {
void (*errorcb)(int errcode,char *errstr);
void *(*realloccb)(void *old,size_t length);
void (*runcb)(size_t count);
int (*storecb)(char *data,size_t size);
int debug;
#if defined(UNIX)
int fd;
struct termios savetios;
#elif defined(MSWINDOWS)
HANDLE fd;
DCB savedcb;
COMMTIMEOUTS savetimeouts,worktimeouts;
#elif defined(DOS)
int fd;
#endif
unsigned long timeout;
} eph_iob;
eph_iob *eph_new(void (*errorcb)(int errcode,char *errstr),
void *(*realloccb)(void *old,size_t length),
void (*runcb)(size_t count),
int (*storecb)(char *data,size_t size),
int debug);
int eph_open(eph_iob *iob,char *device_name,long speed);
int eph_close(eph_iob *iob,int newmodel);
void eph_free(eph_iob *iob);
int eph_setint(eph_iob *iob,int reg,long val);
int eph_getint(eph_iob *iob,int reg,long *val);
int eph_action(eph_iob *iob,int reg,char *val,size_t length);
int eph_setvar(eph_iob *iob,int reg,char *val,size_t length);
int eph_getvar(eph_iob *iob,int reg,char **val,size_t *length);
#define ERR_BASE 10001
#define ERR_DATA_TOO_LONG 10001
#define ERR_TIMEOUT 10002
#define ERR_BADREAD 10003
#define ERR_BADDATA 10004
#define ERR_BADCRC 10005
#define ERR_BADSPEED 10006
#define ERR_NOMEM 10007
#define ERR_BADARGS 10008
#define ERR_MAX 10009
#define REG_FRAME 4
#define REG_SPEED 17
#define REG_IMG 14
#define REG_TMN 15
#endif
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