#include    "config.h"


//填充RAM数据
void    RAM_Fill(INT8U *ptr, INT8U Value, INT32U Len)
{
    while (Len--)
    {
        ptr[Len] = Value;
    }
}

//复制RAM数据
void    RAM_Copy(INT8U *ptrs, INT8U *ptrd, INT32U Len)
{
    while (Len--)
    {
        ptrd[Len] = ptrs[Len];
    }
}

//HEX转ASCII码
void    HEX2ASCII(INT32U Value, INT8U *ptr, INT8U Len)
{
    INT8U   zf=0, i;
    i = Len;
    while (i--)
    {
        ptr[i] = Value % 10;
        Value /= 10;
    }
    for (i = 0; i < (Len - 1); i++)
    {
        if (ptr[i] != '0')
        {
            zf = 1;
        }
        if (zf == 0)
        {
            ptr[i] = ' ';
        }
    }
}

//字符串比较

INT8U   STR_CMP(char *ptr1, char *ptr2)
{
    do
    {
        if (*ptr2 == 0)
        {
            return (0);
        }

        if (*ptr1++ != *ptr2++)
        {
            return (1);
        }

    }
    while (1);
}

//CRC8计算
INT8U   CRC8(INT8U *ptr, INT8U len, INT8U key)
{
    INT8U i;
    INT8U crc = 0;
    while (len-- != 0)
    {
        for (i = 0x80; i != 0; i <<= 1)
        {
            if ((crc & 0x80) != 0)
            {
                crc <<= 1;
                crc ^= key;
            }
            else
            {
                crc <<= 1;
            }

            if ((*ptr & i) != 0)
            {
                crc ^= key;
            }
        }
        ptr++;
    }
    return (crc);
}