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/**
* @file rtems/bspIo.h
*
* This include file defines the interface to kernel print methods.
*/
/*
* COPYRIGHT (c) 1998 valette@crf.canon.fr
* COPYRIGHT (c) 2011 On-Line Applications Research Corporation.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifndef _RTEMS_BSPIO_H
#define _RTEMS_BSPIO_H
#ifdef __cplusplus
extern "C" {
#endif
/*
* All the functions declared as extern after this comment
* MUST be implemented in each BSP. Using this function,
* this directory contains shared code that export higher level
* functionnality described after the next command.
*/
typedef void (*BSP_output_char_function_type) (char c);
typedef int (*BSP_polling_getchar_function_type) (void);
extern BSP_output_char_function_type BSP_output_char;
extern BSP_polling_getchar_function_type BSP_poll_char;
/*
* All the function declared as extern after this comment
* are available for each BSP by compiling and linking
* the files contained in this directory PROVIDED definition
* and initialisation of the previous variable are done.
*/
#include <stdarg.h>
/**
* This method polls for a key in the simplest possible fashion
* from whatever the debug console device is.
*
* @return If a character is available, it is returned. Otherwise
* this method returns -1.
*
* @note This method uses the BSP_poll_char pointer to a BSP
* provided method.
*/
extern int getchark(void);
extern void vprintk(const char *fmt, va_list ap);
extern void printk(const char *fmt, ...);
extern void putk(const char *s);
/*
* This routine is passed into RTEMS reporting functions
* that may have their output redirected. In particular,
* the cpu usage, period usage, and stack usage reporting
* functions use this. If the user provides their
* own "printf plugin", then they may redirect those reports
* as they see fit.
*/
extern int printk_plugin(void *context, const char *fmt, ...);
extern int rtems_printf_plugin(void *context, const char *fmt, ...);
/*
* Type definition for function which can be plugged in to
* certain reporting routines to redirect the output
*/
typedef int (*rtems_printk_plugin_t)(void *, const char *format, ...);
#ifdef __cplusplus
}
#endif
#endif
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