at91stdio.c

This software package contains the USB framework core developped by ATMEL, as well as two HID driv

/* ----------------------------------------------------------------------------
 *         ATMEL Microcontroller Software Support  -  ROUSSET  -
 * ----------------------------------------------------------------------------
 * Copyright (c) 2006, 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 disclaiimer below.
 *
 * - Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the disclaimer below in the documentation and/or
 * other materials provided with the distribution.
 *
 * 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.
 * ----------------------------------------------------------------------------
 */

/*
$Id: at91stdio.c 191 2006-10-30 09:51:10Z jjoannic $
*/

//------------------------------------------------------------------------------
//      Includes
//------------------------------------------------------------------------------

#include <stdio.h>
#include "common.h"
#include "device.h"

//------------------------------------------------------------------------------
//      Exported functions
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
// \brief  Outputs a character on the DBGU.
//
//         The output pipe must be stdout, otherwise this function does nothing.
//         The data is buffered until the buffer is full or a \n character is
//         received, at which point the PDC starts the actual transfer.
// \param out The character to send
// \param f   Output pipe
// \return The character sent if successful, EOF otherwise.
//------------------------------------------------------------------------------
int fputc(int out, FILE *f)
{
    while (!AT91F_US_TxReady((AT91PS_USART)AT91C_BASE_DBGU));
    AT91F_US_PutChar((AT91PS_USART)AT91C_BASE_DBGU, (char)out);

    return out;
}