3 This file is part of the Crypto-avr-lib/microcrypt-lib.
4 Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * This tools should help to parse some input.
33 int getnextwordn(char *s, int n){ /* words are seperated by spaces */
35 while ((c=uart_getc()) == ' ')
38 while (n && (*s++=uart_getc())!=' ')
45 void readhex2buffer(void* buffer, int n){
49 // DEBUG_S("\r\nDBG: n="); DEBUG_B(n&0xff); DEBUG_S("\r\n");
52 if ('0'<= c && '9'>=c){
53 ((uint8_t*)buffer)[i] = c - '0';
55 c &= ~('A' ^ 'a'); /* make all uppercase */
56 if ('A'<= c && 'F'>=c){
57 ((uint8_t*)buffer)[i] = c - 'A' + 10;
59 /* oh shit, wrong char */
63 ((uint8_t*)buffer)[i] <<= 4;
66 if ('0'<= c && '9'>=c){
67 ((uint8_t*)buffer)[i] |= c - '0';
69 c &= ~('A' ^ 'a'); /* make all uppercase */
70 if ('A'<= c && 'F'>=c){
71 ((uint8_t*)buffer)[i] |= c - 'A' + 10;
73 /* oh shit, wrong char */
79 void uart_putptr(void* p){
80 uart_hexdump((void*) &p,2);