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ifstream.h

Go to the documentation of this file.

#ifndef _SYS_IFSTREAM_H_
#define _SYS_IFSTREAM_H_

/*
 * Copyright (C) 2001-2002 by egnite Software GmbH. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgement:
 *
 *    This product includes software developed by egnite Software GmbH
 *    and its contributors.
 *
 * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
 * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * For additional information see http://www.ethernut.de/
 *
 */

/*
 * $Log: ifstream.h,v $
 * Revision 1.2  2003/01/24 12:01:11  przemko
 * Obciecie dosowych znakow konca lini
 *
 * Revision 1.1.1.1  2002/12/07 07:16:52  marwi
 *
 *
 * Revision 1.6  2002/06/26 17:29:28  harald
 * First pre-release with 2.4 stack
 *
 */

typedef struct _IFSTREAM IFSTREAM;

#include <sys/device.h>

struct _IFSTREAM {
    int  (*if_input)(NUTDEVICE *);  
    int  (*if_output)(NUTDEVICE *); 
    int  (*if_flush)(NUTDEVICE *);  
    volatile u_char if_rx_idx;      
    u_char if_rd_idx;               
    volatile u_char if_tx_idx;      
    u_char if_wr_idx;               
    volatile u_char if_tx_act;      
    u_char if_last_eol;             
    u_char if_rx_buf[256];          
    u_char if_tx_buf[256];          
};

extern int NutIfStreamRead(NUTDEVICE *dev, char *data, int size);
extern int NutIfStreamReadTran(NUTDEVICE *dev, char *data, int size);
extern int NutIfStreamGetLine(NUTDEVICE *dev, char *data, int size);
extern int NutIfStreamWrite(NUTDEVICE *dev, CONST char *data, int len);
extern int NutIfStreamWriteTran(NUTDEVICE *dev, CONST char *data);
extern int NutIfStreamWrite_P(NUTDEVICE *dev, PGM_P data, int len);
extern int NutIfStreamFlush(NUTDEVICE *dev);

#endif

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