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/*
* This file contains the hardware specific portions of the TTY driver
* for the serial ports on the erc32.
*
* COPYRIGHT (c) 1989-1997.
* On-Line Applications Research Corporation (OAR).
* Copyright assigned to U.S. Government, 1994.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <bsp.h>
#include <rtems/libio.h>
#include <stdlib.h>
#include <assert.h>
/* external prototypes for monitor interface routines */
void outbyte( char );
char inbyte( void );
/*
* console_outbyte_polled
*
* This routine transmits a character using polling.
*/
void console_outbyte_polled(
int port,
char ch
)
{
int status;
int nwritten;
status = _sys_write (1, &ch, 1, &nwritten);
}
/*
* console_inbyte_nonblocking
*
* This routine polls for a character.
*/
int console_inbyte_nonblocking(
int port
)
{
int status;
int nread;
char c;
status = _sys_read (0, &c, 1, &nread);
if ( status == 0 )
return c;
return -1;
}
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