/*
?*?TC2RTC.c
?*?TC2實時時鐘+數碼管顯示
?*?Created:?2013/9/15?21:06:39
?*??Author:?GAO
?*/?

#include???????????????????//包含AVR頭文件
#include???????//包含AVR中斷控制頭文件
#define?F_CPU?16000000UL?????//定義系統時鐘
#include????????????//包含延時函數頭文件

unsigned?char?table0[]={0x3f0x060x5b0x4f0x660x6d0x7d0x070x7f0x6f?};??//?共陰無點
unsigned?char?table1[]={0xbf0x860xdb0xcf0xe60xed0xfd0x870xff0xef?};????//?共陰有點

unsigned?int?SECNUM;?????????????????????//定義秒變量，顯示變量

void??display（unsigned?int?NUM）;?????//數碼管顯示函數聲明
void?TC2_init（void）;????????????????????????????//定時器2初始化函數聲明

int?main（void）
{
	DDRA=0xFF;????????//設數碼管段驅動端為輸出
	DDRB=0xF0;????????//設數碼管位驅動端為輸出
	
	TC2_init（）;
	NUM=510;???????????//設定最初時間為08:30

	while（1）
	{
		display（NUM）;
	}
}
/**********數碼管顯示函數**********/
void??display（unsigned?int?NUM）
{
	unsigned?char?NUM4NUM3NUM2NUM1;

	NUM1=NUM%10;
	NUM2=NUM%60/10;
	NUM3=NUM%600/60;
	NUM4=NUM/600;

	PORTA=table0[NUM1];
	PORTB=0x10;
	_delay_ms（2）;????//延時2ms
	PORTA=0x00;
	PORTB=0x00;
	_delay_ms（1）;????//延時1ms

	PORTA=table0[NUM2];
	PORTB=0x20;
	_delay_ms（2）;????//延時2ms
	PORTA=0x00;
	PORTB=0x00;
	_delay_ms（1）;????//延時1ms
	
	if（SEC%2==1）???//點閃爍
	{
		PORTA=table0[NUM3];
		PORTB=0x40;
		_delay_ms（2）;????//延時2ms
	}
	else
	{
		PORTA=table1[NUM3];
		PORTB=0x40;
		_delay_ms（2）;????//延時2ms
	}
	
	PORTA=0x00;
	PORTB=0x00;
	_delay_ms（1）;????//延時1ms
	
	PORTA=table0[NUM4];
	PORTB=0x80;
	_delay_ms（2）;????//延時2ms
	PORTA=0x00;
	PORTB=0x00;
	_delay_ms（1）;????//延時1ms
}
/**********T/C2初始化函數**********/
void?TC2_init（void）
{
	SREG=0x80;
	TIMSK=0x40;??????????????//開T/C2溢出中斷
	TCNT2=（256-128）;?????//初值12832768/256=128HZ
	TCCR2=0x06;?????????????//設定T/C2普通模式，預分頻比1/256
	ASSR=0x08;???????????????//開T/C2異步模式
}
/**********T/C2中斷服務函數**********/
ISR（TIMER2_OVF_vect）
{
	TCNT2=（256-128）;?//初值128，周期1S
	SEC++;
	if（SEC>=60）
	{
		SEC=0;
		NUM++;
	}
	if（NUM>=1440）
	{
		NUM=0;
	}
}
/**********結束**********/

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

????.CA....???????242??2013-09-15?21:33??源碼\chapter10\TC2RTC\TC2RTC\Debug\makedep.mk

????.CA....??????3519??2013-09-15?21:41??源碼\chapter10\TC2RTC\TC2RTC\Debug\Makefile

????.CA....??????4602??2013-09-15?21:41??源碼\chapter10\TC2RTC\TC2RTC\Debug\TC2RTC.d

????.CA....????????13??2013-09-15?21:41??源碼\chapter10\TC2RTC\TC2RTC\Debug\TC2RTC.eep

????.CA....??????8804??2013-09-15?21:41??源碼\chapter10\TC2RTC\TC2RTC\Debug\TC2RTC.elf

????.CA....??????2231??2013-09-15?21:41??源碼\chapter10\TC2RTC\TC2RTC\Debug\TC2RTC.hex

????.CA....?????17497??2013-09-15?21:41??源碼\chapter10\TC2RTC\TC2RTC\Debug\TC2RTC.lss

????.CA....?????19545??2013-09-15?21:41??源碼\chapter10\TC2RTC\TC2RTC\Debug\TC2RTC.map

????.CA....??????8792??2013-09-15?21:41??源碼\chapter10\TC2RTC\TC2RTC\Debug\TC2RTC.o

????.CA....??????2214??2013-09-15?21:41??源碼\chapter10\TC2RTC\TC2RTC\Debug\TC2RTC.srec

????.CA....??????2209??2013-09-15?21:41??源碼\chapter10\TC2RTC\TC2RTC\TC2RTC.c

????.CA....??????4729??2013-09-15?21:06??源碼\chapter10\TC2RTC\TC2RTC\TC2RTC.cproj

????.CA....???????889??2013-09-15?21:06??源碼\chapter10\TC2RTC\TC2RTC.atsln

????.CA..H.??????8704??2013-09-15?23:12??源碼\chapter10\TC2RTC\TC2RTC.atsuo

????.CA....??????2935??2013-09-22?22:06??源碼\chapter11\ADC1\ADC1\ADC1.c

????.CA....??????4721??2013-09-22?20:52??源碼\chapter11\ADC1\ADC1\ADC1.cproj

????.CA....??????4282??2013-09-22?22:06??源碼\chapter11\ADC1\ADC1\Debug\ADC1.d

????.CA....????????13??2013-09-22?22:06??源碼\chapter11\ADC1\ADC1\Debug\ADC1.eep

????.CA....?????16983??2013-09-22?22:06??源碼\chapter11\ADC1\ADC1\Debug\ADC1.elf

????.CA....??????4174??2013-09-22?22:06??源碼\chapter11\ADC1\ADC1\Debug\ADC1.hex

????.CA....?????33008??2013-09-22?22:06??源碼\chapter11\ADC1\ADC1\Debug\ADC1.lss

????.CA....?????38190??2013-09-22?22:06??源碼\chapter11\ADC1\ADC1\Debug\ADC1.map

????.CA....??????8772??2013-09-22?22:06??源碼\chapter11\ADC1\ADC1\Debug\ADC1.o

????.CA....??????4110??2013-09-22?22:06??源碼\chapter11\ADC1\ADC1\Debug\ADC1.srec

????.CA....???????240??2013-09-22?21:35??源碼\chapter11\ADC1\ADC1\Debug\makedep.mk

????.CA....??????3471??2013-09-22?22:06??源碼\chapter11\ADC1\ADC1\Debug\Makefile

????.CA....???????883??2013-09-22?20:52??源碼\chapter11\ADC1\ADC1.atsln

????.CA..H.??????8704??2013-09-22?22:13??源碼\chapter11\ADC1\ADC1.atsuo

????.CA....???????889??2013-09-27?22:09??源碼\chapter12\COMP1\COMP1\COMP1.c

????.CA....??????4725??2013-09-25?22:50??源碼\chapter12\COMP1\COMP1\COMP1.cproj

............此處省略419個文件信息