myvtm/Framework/RVCComm/utils.cpp

#include "stdafx.h"
#include <stdio.h>
#include<string.h>
#include "utils.h"


char Asc2hex(char ch1, char ch2)
{
	char ch;
	
	if (ch1 >= 'A') 
		ch = (char)((ch1 - 0x37) << 4);
	else 
		ch = (char)((ch1 - '0') << 4);

	if (ch2 >= 'A') 
		ch |= ch2 - 0x37;
	else 
		ch |= ch2 - '0';

	return ch;
}

int Aschex_2_bcdhex(unsigned char aschex[], int len, unsigned char bcdhex[])
{
	int i, j;

	if (len % 2 == 0)
		j = len / 2;
	else
		j = len / 2 + 1;

	for (i = 0; i < j; i++)
		bcdhex[i] = Asc2hex(aschex[2 * i], aschex[2 * i + 1]);

	return(j);
}



char Hexlow2asc(int xxc)
{
	xxc &= 0x0f;

	if (xxc<0x0a) 
		xxc += '0';
	else 
		xxc += 0x37;

	return (char)xxc;
}

char Hexhigh2asc(int xxc)
{
	xxc &= 0xf0;
	xxc = xxc >> 4;

	if (xxc<0x0a) 
		xxc += '0';
	else 
		xxc += 0x37;

	return (char)xxc;
}
int Bcdhex_2_aschex(unsigned char bcdhex[], int len, unsigned char aschex[])
{
	int i;

	for (i = 0; i<len; i++)
	{
		aschex[2 * i] = Hexhigh2asc(bcdhex[i]);
		aschex[2 * i + 1] = Hexlow2asc(bcdhex[i]);
	}

	return(len * 2);
}
void printfHEX(unsigned char* strbuf, int length)
{
	for (int i = 0; i < length; i++)
	{
		printf("%02X", strbuf[i]);
	}
	printf("\n");
}