putchar.c

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/*
 * Copyright (c) 2015, Nordic Semiconductor
 * All rights reserved.
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 * 1. Redistributions of source code must retain the above copyright
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 * 2. Redistributions in binary form must reproduce the above copyright
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 * 3. Neither the name of the Institute 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 INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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/**
 * \addtogroup nrf52832
 * @{
 *
 * \file
 *         Hardware specific implementation of putchar() and puts() functions.
 * \author
 *         Wojciech Bober <wojciech.bober@nordicsemi.no>
 *
 */
/*---------------------------------------------------------------------------*/
#include <string.h>
#include "dev/uart0.h"
/*---------------------------------------------------------------------------*/
int
putchar(int c)
{
  uart0_writeb(c);
  return c;
}
/*---------------------------------------------------------------------------*/
int
puts(const char *str)
{
  int i;

  if (str == NULL) {
    return 0;
  }

  for (i = 0; i < strlen(str); i++) {
    uart0_writeb(str[i]);
  }

  uart0_writeb('\n');
  return i;
}
/*---------------------------------------------------------------------------*/
/**
 * @}
 */