/*
 * Copyright (c) 2014, Texas Instruments Incorporated - http://www.ti.com/
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS 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.
 */
/*---------------------------------------------------------------------------*/
#include <stdio.h>
#include <string.h>

#include "uart0-arch.h"


#undef putchar
#undef puts
/*---------------------------------------------------------------------------*/
int
putchar(int c)
{
  const unsigned char ch = (unsigned char)c;
  return (uart0_write(&ch, 1) == 1)
    ? (int)ch
    : EOF;
}
/*---------------------------------------------------------------------------*/
int
puts(const char *str)
{
  if(!str)
  {
    return EOF;
  }

  const size_t len = strlen(str);
  const unsigned char newline = '\n';

  if ((uart0_write(str, len) != len) &&
      (uart0_write(&newline, 1) != 1))
  {
    return EOF;
  }

  return len + 1;
}
/*---------------------------------------------------------------------------*/
unsigned int
dbg_send_bytes(const unsigned char *s, unsigned int len)
{
  if(!s || strlen((const char *)s) < len)
  {
    return EOF;
  }

  const unsigned char newline = '\n';

  if ((uart0_write(s, len) != len) &&
      (uart0_write(&newline, 1) != 1))
  {
    return EOF;
  }

  return len + 1;
}
/*---------------------------------------------------------------------------*/