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C:/proj/src/ethernut/nut/eboot/tftp.h

00001 #ifndef _TFTP_H
00002 #define _TFTP_H
00003 
00004 /*
00005  * Copyright (C) 2002 by egnite Software GmbH. All rights reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions
00009  * are met:
00010  *
00011  * 1. Redistributions of source code must retain the above copyright
00012  *    notice, this list of conditions and the following disclaimer.
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  *    notice, this list of conditions and the following disclaimer in the
00015  *    documentation and/or other materials provided with the distribution.
00016  * 3. All advertising materials mentioning features or use of this
00017  *    software must display the following acknowledgement:
00018  *
00019  *    This product includes software developed by egnite Software GmbH
00020  *    and its contributors.
00021  *
00022  * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
00023  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00024  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00025  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
00026  * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00027  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00028  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
00029  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
00030  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00031  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
00032  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00033  * SUCH DAMAGE.
00034  *
00035  * For additional information see http://www.ethernut.de/
00036  */
00037 
00038 /*
00039  * $Log: tftp.h,v $
00040  * Revision 1.1  2002/08/01 17:34:30  harald
00041  * First check in
00042  *
00043  */
00044 
00045 /*!
00046  * \addtogroup xgTftp
00047  */
00048 /*@{*/
00049 
00050 typedef struct tftphdr {
00051     short th_opcode;            /* packet type */
00052     union {
00053         short tu_block;         /* block # */
00054         short tu_code;          /* error code */
00055         char  tu_stuff[1];      /* request packet stuff */
00056     } th_u;
00057     char th_data[512];          /* data or error string */
00058 } TFTPHDR;
00059 
00060 
00061 #define TFTP_RRQ     01  /*!< \brief TFTP read request packet. */
00062 #define TFTP_WRQ     02  /*!< \brief TFTP write request packet. */
00063 #define TFTP_DATA    03  /*!< \brief TFTP data packet. */
00064 #define TFTP_ACK     04  /*!< \brief TFTP acknowledgement packet. */
00065 #define TFTP_ERROR   05  /*!< \brief TFTP error packet. */
00066 #define TFTP_OACK    06  /*!< \brief TFTP option acknowledgement packet. */
00067 
00068 /*@}*/
00069 
00070 extern int TftpRecv(void);
00071 
00072 #endif

© 2002 by egnite Software GmbH - visit http://www.ethernut.de/