mvHal/common/mvCommon.c

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*******************************************************************************/

#include "mvOs.h"
#include "mv802_3.h"
#include "mvCommon.h"


/*******************************************************************************
* mvMacStrToHex - Convert MAC format string to hex.
*
* DESCRIPTION:
*		This function convert MAC format string to hex.
*
* INPUT:
*       macStr - MAC address string. Fornat of address string is
*                uu:vv:ww:xx:yy:zz, where ":" can be any delimiter.
*
* OUTPUT:
*       macHex - MAC in hex format.
*
* RETURN:
*       None.
*
*******************************************************************************/
MV_STATUS mvMacStrToHex(const char* macStr, MV_U8* macHex)
{
    int i;
    char tmp[3];

    for(i = 0; i < MV_MAC_ADDR_SIZE; i++)
    {
        tmp[0] = macStr[(i * 3) + 0];
        tmp[1] = macStr[(i * 3) + 1];
        tmp[2] = '\0';
        macHex[i] = (MV_U8) (strtol(tmp, NULL, 16));
    }
    return MV_OK;
}

/*******************************************************************************
* mvMacHexToStr - Convert MAC in hex format to string format.
*
* DESCRIPTION:
*		This function convert MAC in hex format to string format.
*
* INPUT:
*       macHex - MAC in hex format.
*
* OUTPUT:
*       macStr - MAC address string. String format is uu:vv:ww:xx:yy:zz.
*
* RETURN:
*       None.
*
*******************************************************************************/
MV_STATUS mvMacHexToStr(MV_U8* macHex, char* macStr)
{
	int i;

    for(i = 0; i < MV_MAC_ADDR_SIZE; i++)
    {
        mvOsSPrintf(&macStr[i * 3], "%02x:", macHex[i]);
    }
    macStr[(i * 3) - 1] = '\0';

    return MV_OK;
}

/*******************************************************************************
* mvSizePrint - Print the given size with size unit description.
*
* DESCRIPTION:
*		This function print the given size with size unit description.
*       FOr example when size paramter is 0x180000, the function prints:
*       "size 1MB+500KB"
*
* INPUT:
*       size - Size in bytes.
*
* OUTPUT:
*       None.
*
* RETURN:
*       None.
*
*******************************************************************************/
MV_VOID mvSizePrint(MV_U32 size)
{
    mvOsOutput("size ");

    if(size >= _1G)
    {
        mvOsOutput("%3dGB ", size / _1G);
        size %= _1G;
        if(size)
            mvOsOutput("+");
    }
    if(size >= _1M )
    {
        mvOsOutput("%3dMB ", size / _1M);
        size %= _1M;
        if(size)
            mvOsOutput("+");
    }
    if(size >= _1K)
    {
        mvOsOutput("%3dKB ", size / _1K);
        size %= _1K;
        if(size)
            mvOsOutput("+");
    }
    if(size > 0)
    {
        mvOsOutput("%3dB ", size);
    }
}

/*******************************************************************************
* mvHexToBin - Convert hex to binary
*
* DESCRIPTION:
*		This function Convert hex to binary.
*
* INPUT:
*       pHexStr - hex buffer pointer.
*       size    - Size to convert.
*
* OUTPUT:
*       pBin - Binary buffer pointer.
*
* RETURN:
*       None.
*
*******************************************************************************/
MV_VOID mvHexToBin(const char* pHexStr, MV_U8* pBin, int size)
{
  	int     j, i;
    char    tmp[3];
    MV_U8   byte;

    for(j=0, i=0; j<size; j++, i+=2)
    {
        tmp[0] = pHexStr[i];
        tmp[1] = pHexStr[i+1];
        tmp[2] = '\0';
        byte = (MV_U8) (strtol(tmp, NULL, 16) & 0xFF);
        pBin[j] =  byte;
    }
}

void     mvAsciiToHex(const char* asciiStr, char* hexStr)
{
	int	i=0;

	while(asciiStr[i] != 0)
	{
		mvOsSPrintf(&hexStr[i*2], "%02x", asciiStr[i]);
		i++;
	}
	hexStr[i*2] = 0;
}


void    mvBinToHex(const MV_U8* bin, char* hexStr, int size)
{
	int i;

    for(i=0; i<size; i++)
    {
        mvOsSPrintf(&hexStr[i*2], "%02x", bin[i]);
    }
    hexStr[i*2] = '\0';
}

void    mvBinToAscii(const MV_U8* bin, char* asciiStr, int size)
{
	int i;

    for(i=0; i<size; i++)
    {
        mvOsSPrintf(&asciiStr[i*2], "%c", bin[i]);
    }
    asciiStr[i*2] = '\0';
}

/*******************************************************************************
* mvLog2 -
*
* DESCRIPTION:
*	Calculate the Log2 of a given number.
*
* INPUT:
*       num - A number to calculate the Log2 for.
*
* OUTPUT:
*       None.
*
* RETURN:
*       Log 2 of the input number, or 0xFFFFFFFF if input is 0.
*
*******************************************************************************/
MV_U32 mvLog2(MV_U32	num)
{
	MV_U32 result = 0;
	if(num == 0)
		return 0xFFFFFFFF;
	while(num != 1)
	{
		num = num >> 1;
		result++;
	}
	return result;
}