#define uchar unsigned char

uchar BcdToBin(uchar val);
uchar BinToBcd(uchar val);

uchar BcdToBin(uchar val) 
{ 
	val = (val >> 4) * 10 + (val & 0x0f);//將BCD碼轉(zhuǎn)換為10進制數(shù) 
	return val;//返回10進制數(shù) 
} 

uchar BinToBcd(uchar val) 
{ 
	return((val/10)*16+val%10); 
}