xyzmodem.h

一个用于嵌入式的bootloader中xyzmodem的源程序

//==========================================================================
//
//      xyzModem.h
//
//      RedBoot stream handler for xyzModem protocol
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
// Copyright (C) 2002 Gary Thomas
//
// eCos 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 or (at your option) any later version.
//
// eCos 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.
//
// You should have received a copy of the GNU General Public License along
// with eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license/
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    gthomas
// Contributors: gthomas
// Date:         2000-07-14
// Purpose:      
// Description:  
//              
// This code is part of RedBoot (tm).
//
//####DESCRIPTIONEND####
//
//==========================================================================

#ifndef _XYZMODEM_H_
#define _XYZMODEM_H_

#define xyzModem_xmodem 1
#define xyzModem_ymodem 2
// Don't define this until the protocol support is in place
//#define xyzModem_zmodem 3

#define xyzModem_access   -1
#define xyzModem_noZmodem -2
#define xyzModem_timeout  -3
#define xyzModem_eof      -4
#define xyzModem_cancel   -5
#define xyzModem_frame    -6
#define xyzModem_cksum    -7
#define xyzModem_sequence -8

#define xyzModem_close 1
#define xyzModem_abort 2

int   xyzModem_stream_open(connection_info_t *info, int *err);    
void  xyzModem_stream_close(int *err);    
void  xyzModem_stream_terminate(int method, int (*getc)(void));    
int   xyzModem_stream_read(char *buf, int size, int *err);    
char *xyzModem_error(int err);

extern getc_io_funcs_t xyzModem_io;

#endif // _XYZMODEM_H_