source: rtems/c/src/lib/libbsp/arm/armulator/console/console-io.c @ 1f275887

4.104.114.84.95
Last change on this file since 1f275887 was 1f275887, checked in by Joel Sherrill <joel.sherrill@…>, on 01/03/01 at 16:43:16

2001-01-03 Joel Sherrill <joel@…>

  • console/console-io.c: Added console_initialize_hardware().
  • Property mode set to 100644
File size: 1.6 KB
Line 
1/*
2 *  This file contains the hardware specific portions of the TTY driver
3 *  for the serial ports on the erc32.
4 *
5 *  COPYRIGHT (c) 1989-1997.
6 *  On-Line Applications Research Corporation (OAR).
7 *  Copyright assigned to U.S. Government, 1994.
8 *
9 *  The license and distribution terms for this file may be
10 *  found in the file LICENSE in this distribution or at
11 *  http://www.OARcorp.com/rtems/license.html.
12 *
13 *  $Id$
14 */
15
16#include <bsp.h>
17#include <rtems/libio.h>
18#include <stdlib.h>
19#include <assert.h>
20
21/* external prototypes for monitor interface routines */
22
23extern int armulator_stdin;
24extern int armulator_stdout;
25extern int armulator_stderr;
26
27/*
28 *  console_initialize_hardware
29 *
30 *  This routine initializes the console hardware.
31 *
32 */
33
34void console_initialize_hardware(void)
35{
36  return;
37}
38
39/*
40 *  console_outbyte_polled
41 *
42 *  This routine transmits a character using polling.
43 */
44
45void console_outbyte_polled(
46  int  port,
47  char ch
48)
49{
50  int nwritten;
51  int _swiwrite (int, char *, int);
52
53  nwritten = _swiwrite (armulator_stdout, &ch , 1);
54
55  /* error if (nwritten == -1 || nwritten == len) */
56}
57
58/*
59 *  console_inbyte_nonblocking
60 *
61 *  This routine polls for a character.
62 */
63
64int console_inbyte_nonblocking(
65  int port
66)
67{
68  int nread;
69  char c;
70  int _swiread (int, char *, int);
71
72  nread = _swiread (armulator_stdin, &c, 1);
73  if ( nread != 1 )
74    return -1;
75
76  return c;
77}
78
79#include <bspIo.h>
80
81void Armulator_BSP_output_char(char c) { console_outbyte_polled( 0, c ); }
82
83BSP_output_char_function_type           BSP_output_char = Armulator_BSP_output_char;
84BSP_polling_getchar_function_type       BSP_poll_char = NULL;
85
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