source: rtems/cpukit/include/rtems/bspIo.h @ 23c3f72e

4.104.11
Last change on this file since 23c3f72e was 23c3f72e, checked in by Joel Sherrill <joel.sherrill@…>, on Sep 22, 2008 at 9:47:04 PM

2008-09-22 Joel Sherrill <joel.sherrill@…>

  • include/rtems/bspIo.h, libcsupport/Makefile.am: Add genchark() for polled debug input from the same device as printk().
  • libcsupport/src/getchark.c: New file.
  • Property mode set to 100644
File size: 2.2 KB
Line 
1/* bspIo.h
2 *
3 *  This include file contains declaration of interface that
4 *  will be provided by the file contained in this directory.
5 *
6 *  COPYRIGHT (c) 1998 valette@crf.canon.fr
7 *
8 *  The license and distribution terms for this file may be
9 *  found in found in the file LICENSE in this distribution or at
10 *  http://www.rtems.com/license/LICENSE.
11 *
12 *  $Id$
13 */
14#ifndef _RTEMS_BSPIO_H
15#define _RTEMS_BSPIO_H
16
17#ifdef __cplusplus
18extern "C" {
19#endif
20
21/*
22 * All the functions declared as extern after this comment
23 * MUST be implemented in each BSP. Using this function,
24 * this directory contains shared code that export higher level
25 * functionnality described after the next command.
26 */
27typedef void    (*BSP_output_char_function_type)        (char c);
28typedef int     (*BSP_polling_getchar_function_type)    (void);
29
30extern  BSP_output_char_function_type           BSP_output_char;
31extern  BSP_polling_getchar_function_type       BSP_poll_char;
32
33/*
34 * All the function declared as extern after this comment
35 * are available for each BSP by compiling and linking
36 * the files contained in this directory PROVIDED definition
37 * and initialisation of the previous variable are done.
38 */
39#include <stdarg.h>
40
41/**
42 *  This method polls for a key in the simplest possible fashion
43 *  from whatever the debug console device is.
44 *
45 *  @return If a character is available, it is returned.  Otherwise
46 *          this method returns -1.
47 *
48 *  @note This method uses the BSP_poll_char pointer to a BSP
49 *        provided method.
50 */
51extern int getchark(void);
52extern void vprintk(const char *fmt, va_list ap);
53extern void printk(const char *fmt, ...);
54
55/*
56 *  This routine is passed into RTEMS reporting functions
57 *  that may have their output redirected.  In particular,
58 *  the cpu usage, period usage, and stack usage reporting
59 *  functions use this.  If the user provides their
60 *  own "printf plugin", then they may redirect those reports
61 *  as they see fit.
62 */
63extern int printk_plugin(void *context, const char *fmt, ...);
64 
65/*
66 *  Type definition for function which can be plugged in to
67 *  certain reporting routines to redirect the output
68 */
69typedef int (*rtems_printk_plugin_t)(void *, const char *format, ...);
70
71#ifdef __cplusplus
72}
73#endif
74
75#endif
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