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/* ----------------------------------------------------------------------------
* ATMEL Microcontroller Software Support
* ----------------------------------------------------------------------------
* Copyright (c) 2008, Atmel Corporation
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
*
* Atmel's name may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ----------------------------------------------------------------------------
*/
//------------------------------------------------------------------------------
/// \unit
///
/// !Purpose
///
/// This file Configures the target-dependent low level functions for character I/O.
///
/// !Contents
/// The code implement the lower-level functions as follows:
/// - fputc
/// - ferror
/// - _ttywrch
/// - _sys_exit
///
///
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// Headers
//------------------------------------------------------------------------------
#include <dbgu/dbgu.h>
#include <stdio.h>
// Disable semihosting
#pragma import(__use_no_semihosting_swi)
struct __FILE { int handle;} ;
FILE __stdout;
FILE __stderr;
//------------------------------------------------------------------------------
/// Outputs a character to a file.
//------------------------------------------------------------------------------
int fputc(int ch, FILE *f) {
if ((f == stdout) || (f == stderr)) {
DBGU_PutChar(ch);
return ch;
}
else {
return EOF;
}
}
//------------------------------------------------------------------------------
/// Returns the error status accumulated during file I/O.
//------------------------------------------------------------------------------
int ferror(FILE *f) {
return EOF;
}
void _ttywrch(int ch) {
DBGU_PutChar((unsigned char)ch);
}
void _sys_exit(int return_code) {
label: goto label; /* endless loop */
}
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