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stdio.cc
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stdio.cc
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/* Copyright (C) 2015 Goswin von Brederlow <goswin-v-b@web.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* ISO C99 Standard: 7.19 Input/output <stdio.h>
*/
#include "stdio.h"
#include "uart.h"
#include "string.h"
void putc(char c) {
UART::put(c);
}
void puts(const char *str) {
size_t len = strlen(str);
UART::write(str, len);
}
void put_uint32(uint32_t x) {
static const char HEX[] = "0123456789ABCDEF";
char buf[] = "0x00000000";
char *p = &buf[2];
for(int i = 28; i >= 0; i -= 4) {
*p++ = HEX[(x >> i) % 16];
}
UART::write(buf, 10);
}