85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
/* serial-tools.c */
|
|
/*
|
|
This file is part of the AVR-Crypto-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_i.h"
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
|
|
int getnextwordn(char *s, int n){ /* words are seperated by spaces, lf or cr */
|
|
char c = ' ';
|
|
do{
|
|
c=uart0_getc();
|
|
}while(c==' ' || c=='\r' || c=='\n');
|
|
*s++ = c;
|
|
do{
|
|
*s++ = c = uart0_getc();
|
|
}while(c!=' ' && c!='\r' && c!='\n' && --n);
|
|
*(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 = uart0_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 = uart0_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 uart0_putptr(void* p){
|
|
uart0_hexdump((void*) &p,2);
|
|
}
|
|
|