extern unsigned char data Buff_Kb [5];
extern unsigned char Dig_Cnt;

/* The routine is work as follow:
	byte0 = a
	byte1 = b
	byte2 = c
	byte3 = d
	byte4 = e
	hex_val = (((((a*10)+b)*10+c)*10+d)*10)+e */

unsigned int Ascii_2_Hex (unsigned char dig_cnt)
{
	unsigned int hex_val = 0;
	unsigned char i;

	for (i = 0; i < dig_cnt; i++)
	{
		hex_val = ((hex_val * 10) + (Buff_Kb[i] & 0x0f));
	}
	if (hex_val)
	{
		Ready = 1;
		return (hex_val);
	}
}

void Hex_2_Ascii (unsigned int hex_val)
{
	unsigned int hex;
	unsigned char i;

	hex = hex_val;

	for (i = Dig_Cnt; i > 0; i--)
	{
		Buff_Kb[i-1] = (hex % 10) | 0x30;
		hex /= 10;
	}
}