/*---------------------------------------------------------------------------
實(shí)驗(yàn)四??SPI按鍵顯示接口設(shè)計(jì)??
by?周健力
（2）定時(shí)器的設(shè)計(jì)
按鍵0-9為數(shù)字鍵
按鍵10為左移
按鍵11為右移
按鍵12為時(shí)鐘用戶設(shè)置值重裝
按鍵13為定時(shí)器啟動(dòng)
按鍵14為定時(shí)器暫停
按鍵15為系統(tǒng)重置
---------------------------------------------------------------------------*/

#include
unsigned?char?counter=0;
unsigned?char?systemflag=1;?//系統(tǒng)重置標(biāo)志??
unsigned?char?time[4]={9959};////當(dāng)前倒數(shù)計(jì)時(shí)各個(gè)位值
unsigned?int?total=5999;?//當(dāng)前倒數(shù)計(jì)時(shí)
unsigned?int?totalset=5999;//用戶設(shè)定值?
unsigned?char?wei=0;?//當(dāng)前設(shè)定位
unsigned?char?key_num=20;//鍵值寄存變量
void?main（）
{	
	unsigned?int?i;	
????SysClkIn（）;	//配置系統(tǒng)時(shí)鐘頻率
	dog_set（）;		//看門狗配置
	Port_Init（）	;?//端口初始化
	DelayMs（300）;?//延時(shí)300ms，等待ZLG7289?復(fù)位完畢	
	ZLG7289_Init（40）;?//調(diào)用ZLG7289?的初始化函數(shù)
????for?（?i=0;i<=3;i++?）
	{
		ZLG7289_Download（1i0time[i]）;//前四個(gè)數(shù)碼管初始化
	}
	ZLG7289_Hide（0x0f）;//?后四個(gè)數(shù)碼管消隱
	Timer1_Init（）;//定時(shí)器1初始化
	interrupt_Init（）;	//中斷初始化
	ZLG7289_Flash（~（0x01<	while（systemflag）;?//系統(tǒng)重置標(biāo)志?		
}

void?keyinterrupt（）?interrupt	0??//按鍵中斷產(chǎn)生的單片機(jī)外部中斷0
{???
????unsigned?int?i;
	key_num=ZLG7289_Key（）;
	if（key_num==10）//左移只有在未開(kāi)始倒計(jì)時(shí)時(shí)有效
	{
		if（TR1==0）
		{
			wei=（wei+1）%4;
			ZLG7289_Flash（~（0x01<		}
	}
	else?if（key_num==11）//右移只有在未開(kāi)始倒計(jì)時(shí)時(shí)有效
	{
		if（TR1==0）
		{
			wei=（wei+3）%4;
			ZLG7289_Flash（~（0x01<		}
	}
	else?if（key_num>=0&&key_num<=9）//當(dāng)前位設(shè)置值只有在未開(kāi)始倒計(jì)時(shí)時(shí)有效
	{
		if（TR1==0）
		{
			time[wei]=key_num;
			totalset=（time[0]*10+time[1]）*60+time[2]*10+time[3];//用戶設(shè)置總計(jì)時(shí)
			total=totalset;
			ZLG7289_Download（1wei0key_num）;
		}
	}
	else?if（key_num==13）//開(kāi)始倒計(jì)時(shí)
	{
		ZLG7289_Flash（0xff）;//取消閃爍顯示
		TR1=1;//定時(shí)器1開(kāi)始工作
		wei=0;//當(dāng)前設(shè)定位清零
	}
	else?if（key_num==14）//暫停計(jì)時(shí)
	{
		if（TR1==1）
		{
			TR1=0;//定時(shí)器1暫停工作
			ZLG7289_Flash（~（0x01<		}
	}
	else?if（key_num==12）//設(shè)置值重裝
	{
		Timer1_Init（）;//定時(shí)器初始化
		ZLG7289_Flash（~（0x01<		total=totalset;//當(dāng)前時(shí)鐘還原為設(shè)置值
		time[3]=（total%60）%10;?
		time[2]=（total%60）/10;
		time[1]=（total/60）%10;
		time[0]=（total/60）/10;
		for?（?i=0;i<=3;i++?）
		{
			ZLG7289_Download（1i0time[i]）;//前四個(gè)數(shù)碼管初始化
		}
		
	}
	else?if（key_num==15）//系統(tǒng)復(fù)位
	{
		systemflag=0;
	}
	else?;
	
}

void?timerinterrupt（）?interrupt?3	???//定時(shí)器1中斷
{
????unsigned?int?i;
	counter++;
	TH1=0x3c;
	TL1=0xb0;
	TF1=0;
	if（counter==20）
	{	
		counter=0;
		total--;
		time[3]=（total%60）%10;?
		time[2]=（total%60）/10;
		time[1]=（total/60）%10;
		time[0]=（total/60）/10;
		for?（?i=0;i<=3;i++?）
		{
			ZLG7289_Download（1i0time[i]）;
		}
		if（total==0）?
		{TR1=0;
		ZLG7289_Flash（0x00）;
		}
	}	
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件??????18863??2011-04-24?22:15??shiyansi_2_\shiyansi

?????文件???????3009??2011-04-24?22:15??shiyansi_2_\shiyansi.c

?????文件???????4405??2011-04-24?22:15??shiyansi_2_\shiyansi.hex

?????文件???????7017??2011-04-24?22:15??shiyansi_2_\shiyansi.LST

?????文件??????23619??2011-04-24?22:15??shiyansi_2_\shiyansi.M51

?????文件???????9085??2011-04-24?22:16??shiyansi_2_\shiyansi.OBJ

?????文件???????2198??2011-04-24?22:16??shiyansi_2_\shiyansi.Opt

?????文件????????165??2011-04-24?22:16??shiyansi_2_\shiyansi.plg

?????文件???????2164??2011-04-24?22:16??shiyansi_2_\shiyansi.Uv2

?????文件???????2188??2011-04-24?22:16??shiyansi_2_\shiyansi_Opt.Bak

?????文件???????2283??2011-04-24?22:16??shiyansi_2_\shiyansi_Uv2.Bak

?????文件???????1206??2011-04-24?22:16??shiyansi_2_\systemset.c

?????文件????????276??2011-04-24?22:16??shiyansi_2_\systemset.h

?????文件???????3081??2011-04-24?22:16??shiyansi_2_\systemset.LST

?????文件???????4873??2011-04-24?22:16??shiyansi_2_\systemset.OBJ

?????文件???????3520??2011-04-24?22:16??shiyansi_2_\ZLG7289.C

?????文件???????2868??2011-04-24?22:16??shiyansi_2_\ZLG7289.h

?????文件???????7686??2011-04-24?22:16??shiyansi_2_\ZLG7289.LST

?????文件???????8732??2011-04-24?22:16??shiyansi_2_\ZLG7289.OBJ

?????目錄??????????0??2011-04-24?22:16??shiyansi_2_

-----------?---------??----------?-----??----

???????????????107238????????????????????20