11届蓝桥杯单片机国赛试题应注意位置

if(rtc_pa<8)
	{
		if((rtc_pa<=rtc->hour)&&(rtc->hour<8))
		{
			select_hc(Y0);hc4&=0xfe;P0=hc4;select_hc(Y4);
		}else{select_hc(Y0);hc4|=0x01;P0=hc4;select_hc(Y4);}
	}else if(rtc_pa>8)
	{
		if((rtc->hour>=8)&&(rtc->hour<rtc_pa))
		{
			select_hc(Y0);hc4|=0x01;P0=hc4;select_hc(Y4);
		}else{select_hc(Y0);hc4&=0xfe;P0=hc4;select_hc(Y4);}
	}else{
		select_hc(Y0);hc4&=0xfe;P0=hc4;select_hc(Y4);
	}

11届蓝桥杯单片机决赛，比较rtc时间时一定要记得，读出的数据是BCD码，不可以直接比较大小！！！！