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//==========================================================================
//
// console-io.c
//
// BSP Console Channel Interfaces.
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// 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.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):
// Contributors: gthomas
// Date: 1999-10-20
// Purpose: BSP Console Channel Interfaces.
// Description:
//
//
//####DESCRIPTIONEND####
//
//=========================================================================
#include <stdlib.h>
#include <bsp/bsp.h>
#include "bsp_if.h"
static unsigned char __console_ungetc;
void
bsp_console_write(const char *p, int len)
{
struct bsp_comm_procs *com;
if ((com = bsp_shared_data->__console_procs) != NULL)
com->__write(com->ch_data, p, len);
else
bsp_debug_write(p, len);
}
int
bsp_console_read(char *p, int len)
{
struct bsp_comm_procs *com;
if (len <= 0)
return 0;
if ((com = bsp_shared_data->__console_procs) != NULL) {
if (__console_ungetc) {
*p = __console_ungetc;
__console_ungetc = 0;
return 1;
}
return com->__read(com->ch_data, p, len);
} else
return bsp_debug_read(p, len);
}
/*#define PRINTABLE_ONLY*/
#ifdef PRINTABLE_ONLY
#include <ctype.h>
#endif /* PRINTABLE_ONLY */
void
bsp_console_putc(char ch)
{
struct bsp_comm_procs *com;
#ifdef PRINTABLE_ONLY
if ((!isprint(ch)) && (!isspace(ch)))
ch = '.';
#endif /* PRINTABLE_ONLY */
if ((com = bsp_shared_data->__console_procs) != NULL)
com->__putc(com->ch_data, ch);
else
bsp_debug_putc(ch);
}
int
bsp_console_getc(void)
{
struct bsp_comm_procs *com;
int ch;
if ((com = bsp_shared_data->__console_procs) != NULL) {
if (__console_ungetc) {
ch = __console_ungetc;
__console_ungetc = 0;
return ch;
}
return com->__getc(com->ch_data);
} else
return bsp_debug_getc();
}
void
bsp_console_ungetc(char ch)
{
if (bsp_shared_data->__console_procs != NULL)
__console_ungetc = (unsigned char)ch;
else
bsp_debug_ungetc(ch);
}
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