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58 lines
1.0 KiB
C
58 lines
1.0 KiB
C
/*
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* Copyright (C) 2015 Freie Universität Berlin
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup cpu_msp430fxyz
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* @{
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*
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* @file
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* @brief Implementation of getchar and putchar for MSP430 CPUs
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*
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* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
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*
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* @}
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*/
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#include <sys/types.h>
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#include <unistd.h>
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#include "stdio_uart.h"
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/**
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* @brief Get one character from STDIO - used by the libc
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*/
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int getchar(void)
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{
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char c;
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stdio_read(&c, 1);
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return c;
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}
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/**
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* @brief Write one character to the STDIO UART interface - used by e.g.
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* printf and puts
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*/
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int putchar(int c)
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{
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char _c = c;
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return stdio_write(&_c, 1);
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}
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/**
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* @brief Write nbyte characters to the STDIO UART interface
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*/
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ssize_t write(int fildes, const void *buf, size_t nbyte)
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{
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if (fildes == STDOUT_FILENO) {
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return stdio_write(buf, nbyte);
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}
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else {
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return -1;
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}
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}
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