#include?
#include?
#define?uchar?unsigned?char?
#define?uint?unsigned?int
uchar?moshi_flag=1;
#pragma?data:code?//數碼管碼值
const?table[]={~0x3f~0x06~0x5b~0x4f~0x66~0x6d~0x7d?~0x07
		???????????~0x7f~0x6f~0x77~0x7c~0x39~0x5e~0x79~0x71};

void?delay（uint?ms）//延時函數
{
?	?uint?i;
	?while（--ms）
	?	for（i=0;i<1154;i++）;
}
void?show（uchar?j）//數碼管顯示單個管
{
?????PORTB|=BIT（0）;
	PORTA&=table[j];
	PORTB&=~BIT（0）;
	
	PORTA|=0XFF;
	PORTA&=BIT（j-1）;
	PORTB|=BIT（1）;
	PORTB&=~BIT（1）;
	PORTA|=0XFF;
	delay（3）;
}
void?show_num（uint?num）//數碼管顯示數字
{
uchar?i;
for（i=0;i<5;i++）
		{
	????switch?（i）{
????????case?0:showgundong（num/1000i）;break;
????????case?1:showgundong（num%1000/100i）;break;
????????case?2:showgundong（num%100/10i）;break;
????????case?3:showgundong（num%10i）;break;
	??????}
	????}
}
void?showgundong（uchar?datuchar?num）//數碼管滾動顯示
{
??PORTB|=BIT（0）;
	PORTA&=table[dat];
	PORTB&=~BIT（0）;
	
	PORTA|=0XFF;
	PORTA&=BIT（num）;
	PORTB|=BIT（1）;
	PORTB&=~BIT（1）;
	PORTA|=0XFF;
	delay（2）;
}
uchar?key_press（）//按鍵函數
{
uchar?i;
?DDRD|=0XF0;
?PORTD|=0XF0;
?DDRD&=0X0F;
?i=PIND;
?i&=0xf0;
?if（i==0xf0）
?{
??return?0;
?}
?else
?{
??return?1;
?}
}
uchar?key_scan（）//檢測按鍵
{
?	??uchar?key;
?	??delay（10）;
	??if（key_press（））
	??{
	???key=PIND;
	???key&=0xf0;
	???switch（key）
	???{
		case?0xb0:
			?key=1;
			?moshi_flag=1;
			?break;
		case?0x70:
			?key=2;
			??moshi_flag=0;
			?break;
		//default:key=16;
			?
	???}
	???//while（key_press（））;
	??}
	??return?key;
}
void?main（）//主函數
{
?uint?ijnumnum1=0count?=0anjian;
?DDRA=0XFF;//端口初始化
?DDRB|=BIT（0）;
?DDRB|=BIT（1）;
?DDRD|=BIT（PD0）;
?PORTD|=BIT（PD0）;
?DDRC=0XFF;
?PORTC=0XFF;
?
while（1）
{?
??anjian=key_scan（）;//
???show_num（num）;//數碼管顯示
???delay（10）;
???count++;
??if（count==50）//時間1s
??{
????count=0;
????num1++;
??}
	if（moshi_flag==1）//白天模式
	{
	num?=?num1*100+num1;
????if（num1>=0&&num1<=30）
????{
??????if（num1>0&&num1<=26）
??????{
????????PORTC&=~BIT（0）;//亮
????????PORTC|=BIT（1）;//滅
????????PORTC|=BIT（2）;
???????}
??????if（num1>26&&num1<=30）
??????{
????????PORTC|=BIT（0）;
????????PORTC&=~BIT（1）;
????????PORTC|=BIT（2）;
??????}
?????PORTC&=~BIT（3）;//亮
?????PORTC|=BIT（4）;//滅
?????PORTC|=BIT（5）;
???}
?????if（num1>30&&num1<60）
??{
??
???PORTC|=BIT（0）;
???PORTC|=BIT（1）;
???PORTC&=~BIT（2）;?
????if（num1>30&&num1<56）
	{
?????PORTC|=BIT（3）;
?????PORTC&=~BIT（5）;
?????PORTC|=BIT（4）;
	?}
	?if（num1>56&&num1<60）
	{
?????	?PORTC|=BIT（3）;
?????PORTC&=~BIT（4）;
?????PORTC|=BIT（5）;
	?}
?????if（num1==59）
?????num1=0;
????}
	}

	if（moshi_flag==0）//夜間模式，黃燈閃爍
	{
?????num=0;num1=0;
	?if（count>=0&&count<25）
	?{
	??????PORTC|=BIT（0）;
?????PORTC&=~BIT（1）;
?????PORTC|=BIT（2）;
	??????PORTC|=BIT（3）;
?????PORTC&=~BIT（4）;
?????PORTC|=BIT（5）;
	?}
	?else
	?{
	??????PORTC|=BIT（1）;
	??????PORTC|=BIT（4）;
	?}
	}
?}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????????1??2011-10-01?20:23??程序\BACKUP\lesson2.c.111001202336

?????文件????????116??2011-10-01?20:24??程序\BACKUP\lesson2.c.111001202452

?????文件????????195??2011-10-01?20:26??程序\BACKUP\lesson2.c.111001202622

?????文件????????240??2011-10-01?20:30??程序\BACKUP\lesson2.c.111001203052

?????文件????????257??2011-10-01?20:32??程序\BACKUP\lesson2.c.111001203232

?????文件????????271??2011-10-01?20:32??程序\BACKUP\lesson2.c.111001203240

?????文件????????334??2011-10-01?20:38??程序\BACKUP\lesson2.c.111001203836

?????文件????????334??2011-10-01?20:39??程序\BACKUP\lesson2.c.111001203952

?????文件????????374??2011-10-01?20:41??程序\BACKUP\lesson2.c.111001204154

?????文件????????374??2011-10-01?20:44??程序\BACKUP\lesson2.c.111001204440

?????文件????????376??2011-10-01?20:44??程序\BACKUP\lesson2.c.111001204450

?????文件????????379??2011-10-01?20:46??程序\BACKUP\lesson2.c.111001204618

?????文件????????397??2011-10-01?20:47??程序\BACKUP\lesson2.c.111001204704

?????文件????????394??2011-10-01?20:47??程序\BACKUP\lesson2.c.111001204752

?????文件????????392??2011-10-01?20:48??程序\BACKUP\lesson2.c.111001204844

?????文件????????392??2011-10-01?20:49??程序\BACKUP\lesson2.c.111001204910

?????文件????????392??2011-10-01?20:50??程序\BACKUP\lesson2.c.111001205008

?????文件????????392??2011-10-01?20:50??程序\BACKUP\lesson2.c.111001205016

?????文件????????394??2011-10-01?20:51??程序\BACKUP\lesson2.c.111001205114

?????文件????????394??2011-10-01?20:51??程序\BACKUP\lesson2.c.111001205144

?????文件????????394??2011-10-01?20:52??程序\BACKUP\lesson2.c.111001205222

?????文件????????392??2011-10-01?20:52??程序\BACKUP\lesson2.c.111001205228

?????文件????????393??2011-10-01?20:53??程序\BACKUP\lesson2.c.111001205302

?????文件????????544??2011-10-01?20:55??程序\BACKUP\lesson2.c.111001205514

?????文件????????547??2011-10-01?20:55??程序\BACKUP\lesson2.c.111001205524

?????文件????????548??2011-10-01?20:56??程序\BACKUP\lesson2.c.111001205622

?????文件????????545??2011-10-01?20:56??程序\BACKUP\lesson2.c.111001205656

?????文件????????547??2011-10-01?20:57??程序\BACKUP\lesson2.c.111001205708

?????文件????????533??2011-10-01?20:57??程序\BACKUP\lesson2.c.111001205742

?????文件????????420??2011-10-01?20:58??程序\BACKUP\lesson2.c.111001205826

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