ARM总结.

void t1() interrupt 3//定时器0的中断服务程序

{ k++;if(k>200)

{k=0;

num--;

if(num==0){num=999;}

}

TH1=-10000/256;TL1=-10000%256;

}

main()

{TH1=-10000/256;TL1=-10000%256;

TR1=1;TMOD=0x11;

ET1=1;//开定时器1中断

EA=1;//开总中断

while(1)//循环

{dis(num);}}

void t1UGDKHGD() interrupt 3//定时器0的中断服务程序(程序名自定义) {

k++;if(k>200)

{k=0;

num--;

if(num==0){num=999;}

}

TH1=-10000/256;TL1=-10000%256;

}

void t1UGDKHGD() interrupt 3//定时器0的中断服务程序{ k++;if(k>50)

{k=0;

num1--;

if(num1==-1){num1=num;}

} TH1=-10000/256;TL1=-10000%256;

}

key()

{ P0=0x0fe;//P00=0;P01=1;P02=1;P03=1;

if(P07==0){num=1;num1=num;}

if(P06==0){num=2;num1=num;}

if(P05==0){num=3;num1=num;}

if(P04==0){num=4;num1=num;}

P01=0;P00=1;P02=1;P03=1;

if(P07==0){num=5;num1=num;}

if(P06==0){num=6;num1=num;}

if(P05==0){num=7;num1=num;}

if(P04==0){num=8;num1=num;}

P02=0;P01=1;P00=1;P03=1;

if(P07==0){num=9;num1=num;}

if(P06==0){num=10;num1=num;}

if(P05==0){num=11;num1=num;}

if(P04==0){num=12;num1=num;}

P03=0;P01=1;P00=1;P02=1;

if(P07==0){num=13;num1=num;}

if(P06==0){num=14;num1=num;}

if(P05==0){num=15;num1=num;}

if(P04==0){num=16;num1=num;}

}

main()

{TH1=-10000/256;TL1=-10000%256;

TR1=1;TMOD=0x10;

ET1=1;//开定时器1中断

EA=1;//开总中断

while(1)//循环

{ key();dis(num1);

}

}//以上程序通过键盘定义一个起始值，进行减一循环显示

S1为设定，S2为+，S3为-，S4为确定（设定多位起始值）void t1UGDKHGD() interrupt 3//定时器0的中断服务程序

{

k++;if(k>50)

{k=0;

valnum--;disnum=valnum;

if(valnum<=0){valnum=setnum;}

}

TH1=-10000/256;TL1=-10000%256;

}

key()

{

P0=0x0fe;//P00=0;P01=1;P02=1;P03=1;

if(P07==0){disnum=setnum;EA=0;}//S1

if(P06==0){setnum++; disnum=setnum;}//S2

if(P05==0){setnum--; disnum=setnum;}//S3

if(P04==0){ valnum= setnum;disnum=valnum;EA=1;}//S4

}

main()

{TH1=-10000/256;TL1=-10000%256;

TR1=1;TMOD=0x10;

ET1=1;//开定时器1中断

EA=1;//开总中断

while(1)//循环

{

key();

dis(disnum);

}

}

//以下键盘可以防抖

key()

{

P0=0x0fe;//P00=0;P01=1;P02=1;P03=1;

if(P07==0){disnum=setnum;TR1=0;}//S1

if(P06==0){x=1;}

if(P06==1&x==1){x=0;setnum++; disnum=setnum;}//S2

if(P05==0){x=2;}

if(P05==1&x==2){x=0;setnum--; disnum=setnum;}//S3

if(P04==0){ valnum= setnum;disnum=valnum;TR1=1;}//S4 }

//以下键盘延时防抖（显示不黑屏）

key()

{

P0=0x0fe;//P00=0;P01=1;P02=1;P03=1;

if(P07==0){disnum=setnum;TR1=0;}//S1

if(P06==0)

{

for(j=0;j<30;j++){dis(disnum);}

setnum++; disnum=setnum;

}//S2

if(P05==0)

{

for(j=0;j<30;j++){dis(disnum);}

setnum--; disnum=setnum;

}//S3

if(P04==0){ valnum= setnum;disnum=valnum;TR1=1;}//S4 }

//以下显示键盘号码

key()

{

P0=0x0fe;//P00=0;P01=1;P02=1;P03=1;

if(P07==0)

{keynum=1;

for(j=0;j<30;j++){dis(keynum);}

}//S1

if(P06==0)

{

keynum=2;

for(j=0;j<30;j++){dis(keynum);}

}//S2

if(P05==0)

{

keynum=3;

for(j=0;j<30;j++){dis(keynum);}

}//S3

if(P04==0)

{

keynum=4;

for(j=0;j<30;j++){dis(keynum);}

}//S4

********************************************** P0=0x0fe;//P00=0;P01=1;P02=1;P03=1;

if(P07==0)

{keynum=1;

weizhi++;if(weizhi>=4)weizhi=1;

if(weizhi==1)baiwei=keynum;

if(weizhi==2)shiwei=keynum;

if(weizhi==3)gewei=keynum;

for(j=0;j<30;j++)

{

dis();

}

}//S1

if(P06==0)

{keynum=2;

for(j=0;j<30;j++)

{baiwei=keynum;

dis();

}

}//S2

{

weizhi++;if(weizhi>=4)weizhi=1;

if(weizhi==1)baiwei=keynum;

if(weizhi==2)shiwei=keynum;

if(weizhi==3)gewei=keynum;

for(j=0;j<30;j++)

{

dis();

}

}

key()

{

P0=0x0fe;//P00=0;P01=1;P02=1;P03=1;

if(P07==0)

{keynum=1;

keydis();

}//S1

if(P06==0)

{keynum=2;

keydis();

}//S2

if(P05==0)

{keynum=3;

keydis();

}//S3

P0=0x0fe;//P00=0;P01=1;P02=1;P03=1;

if(P07==0){keynum=1;keydis();}//S1

if(P06==0){keynum=2;keydis();}//S2

if(P05==0){keynum=3;keydis();}//S3

if(P04==0){keynum=4;keydis();}//S4

P0=0x0fd;//P00=1;P01=0;P02=1;P03=1;

if(P07==0){keynum=5;keydis();}//S5

if(P06==0){keynum=6;keydis();}//S6

if(P05==0){keynum=7;keydis();}//S7

if(P04==0){keynum=8;keydis();}//S8

P0=0x0fb;//P00=1;P01=1;P02=0;P03=1;

if(P07==0){keynum=9;keydis();}//S9

if(P06==0){keynum=0;keydis();}//S10

{

P0=0x0fe;//P00=0;P01=1;P02=1;P03=1;

if(P07==0){keynum=1;keydis();}//S1

if(P06==0){keynum=2;keydis();}//S2

if(P05==0){keynum=3;keydis();}//S3

if(P04==0){keynum=4;keydis();}//S4

P0=0x0fd;//P00=1;P01=0;P02=1;P03=1;

if(P07==0){keynum=5;keydis();}//S5

if(P06==0){keynum=6;keydis();}//S6

if(P05==0){keynum=7;keydis();}//S7

if(P04==0){keynum=8;keydis();}//S8

P0=0x0fb;//P00=1;P01=1;P02=0;P03=1;

if(P07==0){keynum=9;keydis();}//S9

if(P06==0){keynum=0;keydis();}//S10

P0=0x0f7;//P00=1;P01=1;P02=1;P03=0;

if(P07==0){baiwei=setnum/100;shiwei=(setnum%100)/10; gewei=setnum%10;TR1=0;} if(P04==0){setnum=baiwei*100+shiwei*10+gewei;valnum =setnum; TR1=1;}

}