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