//********************************************************************
//  Ver 1.0
//      2020.12.24    1、新建文件
//********************************************************************
#include	"config.h"


//十进制数转ASCII码
void	STR_Dec2Ascii(INT32S Value, INT8U *ptr, INT8U Len, INT8U zFlag)
{
    INT8U	i, nFlag = 0;

    i = Len;
    if(Value < 0)
    {
        Value = 0 - Value;
        nFlag = 1;
    }

    while(i--)
    {
        ptr[i] = '0' + Value % 10;
        Value /= 10;
    }

    for(i = 0; i < (Len - 1); i++)
    {
        if(ptr[i] != '0')
        {
            zFlag = 1;
            if(nFlag != 0)
            {
                ptr[i - 1] = '-';
            }
        }
        if(zFlag == 0) ptr[i] = ' ';
    }


}

//十六进制数转ASCII码
const	INT8U ASCII_Tab[] = {"0123456789ABCDEF"};
void	STR_Hex2Ascii(INT32S Value, INT8U *ptr, INT8U Len)
{
    INT8U	i;

    i = Len + 2;
    while(i--)
    {
        ptr[i] = ASCII_Tab[Value & 0x000f];
        Value >>= 4;
    }
    ptr[0] = '0';
    ptr[1] = 'x';
}

//字符串比较
INT8U   STR_Compare(char *ptr1, char *ptr2)
{
    do
    {
        if (*ptr2 == 0)
        {
            return (0);
        }

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

//无符号数字加减
INT32U	STR_NumAddOrSub(INT32U Value, INT32U Max, INT32U Min, INT8U AddOrSub, INT8U Step, INT8U Loop)
{
    if(AddOrSub == NUM_ADD)
    {
        Value += Step;

        if(Value > Max)
        {
            if (Loop == NUM_LOOP)	//数据加到最大值，且循环操作
            {
                Value = Min;
            }
            else
            {
                Value = Max;
            }
        }

    }
    else if(AddOrSub == NUM_SUB)
    {
        Value -= Step;

        if((Value > Max) || (Value < Min))
        {
            if (Loop == NUM_LOOP)	//数据减到最小值，且循环操作
            {
                Value = Max;
            }
            else
            {
                Value = Min;
            }

        }

    }

    return(Value);
}