+/* uart.h */
+/*
+ This file is part of the Crypto-avr-lib/microcrypt-lib.
+ Copyright (C) 2008 Daniel Otte (daniel.otte@rub.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, see <http://www.gnu.org/licenses/>.
+*/
#ifndef UART_H
#define UART_H
void uart_putc(char c);
void uart_putstr(char * str);
void uart_putstr_P(PGM_P str);
-void uart_hexdump(void* buf, int len);
+void uart_hexdump(const void* buf, int len);
char uart_getc(void);
char uart_getc_nb(char *c); /* returns 1 on success */