source: rtems/c/src/lib/libbsp/powerpc/psim/console/console-io.c @ 904e185

4.104.114.84.95
Last change on this file since 904e185 was 904e185, checked in by Joel Sherrill <joel.sherrill@…>, on Nov 20, 2001 at 6:23:48 PM

2001-11-20 Joel Sherrill <joel@…>

  • console/console-io.c: Fix incorrect comment.
  • Property mode set to 100644
File size: 1.3 KB
Line 
1/*
2 *  This file contains the hardware specific portions of the TTY driver
3 *  for the simulated serial port on the PowerPC simulator.
4 *
5 *  COPYRIGHT (c) 1989-2000.
6 *  On-Line Applications Research Corporation (OAR).
7 *
8 *  The license and distribution terms for this file may be
9 *  found in the file LICENSE in this distribution or at
10 *  http://www.OARcorp.com/rtems/license.html.
11 *
12 *  $Id$
13 */
14
15#include <bsp.h>
16#include <rtems/libio.h>
17#include <stdlib.h>
18#include <assert.h>
19
20/*
21 *  console_initialize_hardware
22 *
23 *  This routine initializes the console hardware.
24 *
25 */
26
27void console_initialize_hardware(void)
28{
29}
30
31/* external prototypes for monitor interface routines */
32
33void outbyte( char );
34char inbyte( void );
35
36/*
37 *  console_outbyte_polled
38 *
39 *  This routine transmits a character using polling.
40 */
41
42void console_outbyte_polled(
43  int  port,
44  char ch
45)
46{
47  outbyte( ch );
48}
49
50/*
51 *  console_inbyte_nonblocking
52 *
53 *  This routine polls for a character.
54 */
55
56int console_inbyte_nonblocking(
57  int port
58)
59{
60  char c;
61
62  c = inbyte();
63  if (!c)
64    return -1;
65  return c;
66}
67
68/*
69 *  To support printk
70 */
71
72#include <bspIo.h>
73
74void PSIM_output_char(char c) { console_outbyte_polled( 0, c ); }
75
76BSP_output_char_function_type           BSP_output_char = PSIM_output_char;
77BSP_polling_getchar_function_type       BSP_poll_char = NULL;
78
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