--- /dev/null
+/* serial-tools.c */
+/*
+ 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/>.
+*/
+/**
+ *
+ * Author: Daniel Otte
+ * Date: 16.05.2006
+ *
+ * This tools should help to parse some input.
+ *
+ */
+
+#include "config.h"
+#include "uart.h"
+#include <string.h>
+#include <stdint.h>
+
+int getnextwordn(char *s, int n){ /* words are seperated by spaces */
+ char c = ' ';
+ while ((c=uart_getc()) == ' ')
+ ;
+ *s++ = c;
+ while (n && (*s++=uart_getc())!=' ')
+ ;
+ *(s-1) = '\0';
+ return n;
+}
+
+
+void readhex2buffer(void* buffer, int n){
+ char c;
+ uint8_t i;
+
+// DEBUG_S("\r\nDBG: n="); DEBUG_B(n&0xff); DEBUG_S("\r\n");
+ for(i=0; i<n; ++i){
+ c = uart_getc();
+ if ('0'<= c && '9'>=c){
+ ((uint8_t*)buffer)[i] = c - '0';
+ } else {
+ c &= ~('A' ^ 'a'); /* make all uppercase */
+ if ('A'<= c && 'F'>=c){
+ ((uint8_t*)buffer)[i] = c - 'A' + 10;
+ } else {
+ /* oh shit, wrong char */
+ }
+ }
+
+ ((uint8_t*)buffer)[i] <<= 4;
+
+ c = uart_getc();
+ if ('0'<= c && '9'>=c){
+ ((uint8_t*)buffer)[i] |= c - '0';
+ } else {
+ c &= ~('A' ^ 'a'); /* make all uppercase */
+ if ('A'<= c && 'F'>=c){
+ ((uint8_t*)buffer)[i] |= c - 'A' + 10;
+ } else {
+ /* oh shit, wrong char */
+ }
+ }
+ } /* for i=0 .. n */
+}
+
+void uart_putptr(void* p){
+ uart_hexdump((void*) &p,2);
+}
+