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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).

 *

 *  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.

 *

 *  console-io.c,v 1.4 2002/01/04 17:40:39 joel Exp

 */

#include <bsp.h>

#include <rtems/libio.h>

#include <stdlib.h>

#include <assert.h>

/* external prototypes for monitor interface routines */

extern int armulator_stdin;

extern int armulator_stdout;

extern int armulator_stderr;

/*

 *  console_initialize_hardware

 *

 *  This routine initializes the console hardware.

 *

 */

void console_initialize_hardware(void)

{

  return;

}

/*

 *  console_outbyte_polled

 *

 *  This routine transmits a character using polling.

 */

void console_outbyte_polled(

  int  port,

  char ch

)

{

  int nwritten;

  int _swiwrite (int, char *, int);

  nwritten = _swiwrite (armulator_stdout, &ch , 1);

  /* error if (nwritten == -1 || nwritten == len) */

}

/*

 *  console_inbyte_nonblocking

 *

 *  This routine polls for a character.

 */

int console_inbyte_nonblocking(

  int port

)

{

  int nread;

  char c;

  int _swiread (int, char *, int);

  nread = _swiread (armulator_stdin, &c, 1);

  if ( nread != 1 )

    return -1;

  return c;

}

#include <rtems/bspIo.h>

void Armulator_BSP_output_char(char c) { console_outbyte_polled( 0, c ); }

BSP_output_char_function_type           BSP_output_char = Armulator_BSP_output_char;

BSP_polling_getchar_function_type       BSP_poll_char = NULL;