nes-proj/arch/cpu/simplelink/source/putchar-arch.c

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2018-02-07 15:58:16 +00:00
/*
* 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 "simplelink-uart.h"
#undef putchar
#undef puts
/*---------------------------------------------------------------------------*/
int
putchar(int c)
{
const unsigned char ch = (unsigned char)c;
return (simplelink_uart_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 ((simplelink_uart_write(str, len) != len) &&
(simplelink_uart_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 ((simplelink_uart_write(s, len) != len) &&
(simplelink_uart_write(&newline, 1) != 1))
{
return EOF;
}
return len + 1;
}
/*---------------------------------------------------------------------------*/