单片机定时器C代码

#include

#include

#include

//#define 0xbf-上点 0xef-下点 0xaf-双点 0xf7-特殊点 0xfe-小数点

//#define zero 0x21\\/*0*/one 0xf9\\/*1*/ two 0x0b\\/*2*/ three 0x49\\/*3*/ four 0xd1\\/*4*/

//#define five 0x45\\/*5*/ six 0x05\\/*6*/ seven 0x79\\/*7*/ eight 0x01\\/*8*/ nine 0x41\\/*9*/

//顺序常数

#define sxzero 0xf7\\/*0*/sxone 0xef\\/*1*/sxtwo 0xdf\\/*2*/sxthree 0xbf\\/*3*/sxfour 0x7f\\/*4*/

#define maxout 2//最大输出

#define maxway 6//输出线路总数

//设置键常数

#define left 3

#define right 6

#define enter 5

#define cance 4

#define up 1

#define down 2

//设置时间常数

#define sunday 0

#define month 1

#define day 2

#define hour 3

#define min 4

#define sec 5

#define tick 6

unsigned char code overday[12]={31,29,31,30,31,30,31,31,30,31,30,31}; //1到12月天数

unsigned char code line[]={0,0,1,1};//显示位置对应的数据位

unsigned char code step[]={10,1,10,1};//每按一次按键变化数值

unsigned char code overhigh[]={7,12,31,23,59,59};//溢出指示,星期,月,日,时,分,秒

unsigned char code overlow[]={1,1,1,0,0,0};//溢出指示,星期,月,日,时,分,秒

unsigned char code bitcheck[]={1,2,4,8,16,32,,128,255};

unsigned char code xswz[]={0x7F,0xBF,0xEF,0xF7,0xDF,100,0,100,0,0};//数码管数码位xswz:显示位置

unsigned char code dottime[]={0xF7,0xBF,0xEF,0xaf,0xaF,0xaF};//小数点显示内容列表

unsigned char code dotflash[]={0,0,0,255,0,0};//小数点显示内容列表

unsigned char code numbcode[]={

33, 249, 11, 73, 209, 69, 5, 121, 1, 65,

33, 249, 11, 73, 209, 69, 5, 121, 1, 65,

33, 249, 11, 73, 209, 69, 5, 121, 1, 65,

33, 249, 11, 73, 209, 69, 5, 121, 1, 65,

33, 249, 11, 73, 209, 69, 5, 121, 1, 65,

33, 249, 11, 73, 209, 69, 5, 121, 1, 65,

33, 249, 11, 73, 209, 69, 5, 121, 1, 65,

33, 249, 11, 73, 209, 69, 5, 121, 1, 65,

33, 249, 11, 73, 209, 69, 5, 121, 1, 65,

33, 249, 11, 73, 209, 69, 5, 121, 1, 65,

33, 33, 33, 33, 33, 33, 33, 33, 33, 33,

249,249,249,249,249,249,249,249,249,249,

11, 11, 11, 11, 11, 11, 11, 11, 11, 11,

73, 73, 73, 73, 73, 73, 73, 73, 73, 73,

209,209,209,209,209,209,209,209,209,209,

69, 69, 69, 69, 69, 69, 69, 69, 69, 69,

5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

121,121,121,121,121,121,121,121,121,121,

1, 1, 1, 1, 1, 1, 1, 1, 1, 1,

65, 65, 65, 65, 65, 65, 65, 65, 65, 65,

191,239,175,247,254

};

unsigned char data outnumb,zzq;//实际输出数,总周期数

unsigned char data power,high,low;//总功率，高，低电平

unsigned char data port[]={254,253,251,247,239,223,191,127};//输出端口

unsigned char data time[]={1,1,1,0,0,0,0,0};//星期1,1月1日 1时0分 0秒0脉冲

unsigned char data temp[]={0,50};

unsigned char data *pshow=&time;//数码管显示指

针，初始化指向时间数组

unsigned char data cursor=hour;//光标，游标-->小时

unsigned char data able[]={255,255,255,255,255};//显示（与）高为允许

unsigned char data disable[]={0,0,0,0,0};//遮掩（或）高为遮掩

unsigned char data flash[]={0,0,0,0,255};//闪烁（或）高为闪烁

unsigned char data dot=0xaf; //DOT:点，原点，小数点

unsigned char idata config[120]={0,1,3,30,96},powlist[maxway];//设定内容存在这里

unsigned char data *pconfig=&config;//定时指针

//=================主函数=====================================

void main (void)

{

//设置定时器

T2CON = 0X00;//大写才能被识别

RCAP2H = 0xe0;//等于65536-(1000tf)/12说明:t的单位为毫秒，f的单位为mhz

RCAP2L = 0x02;//24.576mz

TR2 = 1;//大写才能被识别

ET2 = 1;//大写才能被识别

PT2=1;//大写才能被识别

EA=1;//大写才能被识别

EX1=1;//外部中断1允许

IT1=1;//跳变触发方式

PX1=0;//优先权低

//进入休眠

while(1){

PCON=0X01;

}

}

//=================显示中断子程序======================================

void display(void)

{

staticunsigned char data n=0;//数码位计数

P2=P2|0xF8; //关闭显示,0xf8过滤掉按键端口

if(n==4)

P0=dot;

else

P0=numbcode//显示数据

[

pshow[cursor+line[n]] + xswz[n+5]//cursor指向显示的首位置，即最高数码位

];

P0=able[n]&P0;//显示滤镜

P0=disable[n]|P0;//遮掩滤镜

if(time[tick]>100) P0=flash[n]|P0;//闪烁滤镜

P2=P2&xswz[n];//打开显示 xswz:显示位置数组

if(++n>4) n=0 ;

}

//=================设置函数=====================================

void setup (void)

{

static unsigned char model,delaytick,delaysec,n=0; //gb;光标 ycgb:溢出光标,n为调整位置

static unsigned char data x;

if(

((time[tick]-delaytick)<50) && (delaysec==time[sec])

) return;//防止按键抖动1

if(

((delaytick)-time[tick]>250) && (delaysec+1==time[sec]) //一共是205个tick

) return;//防止按键抖动2

delaysec=time[sec];

delaytick=time[tick];

x=P2&7;//按键检测

//----------时间显示模式-------------------------------------------

if(model==0)

{

if( (x==left) && (cursor>0) ){cursor--;dot=dottime[cursor];flash[4]=dotflash[cursor];return;}

if( (x==right)&&(cursor+1if(x==enter) {model=1;flash[0]=255;return;}//光标处闪烁

}

//----------时间设置模式--------------

else if(model==1)

{

//----------进入下层菜单--------------------------------------------

if(x==enter)

{

model=2;

pshow=&temp;

n=0;

flash[n]=0;

flash[1]=255;//光标处闪烁

return;

}

//----------左移调整位置--------------------------------------------

if(x==left)

{

if(n>0){fla

sh[n]=0;n--;flash[n]=255;return;}//光标左移,新光标处闪烁

if(cursor>0)

{

cursor--;

flash[n]=0;

n+=3;

flash[n]=255;

dot=dottime[cursor];

flash[4]=dotflash[cursor];

return;

}

}

//----------右移调整位置------------

if(x==right)

{

if(n<3){flash[n]=0;n++;flash[n]=255;return;}//光标左移,新光标处闪烁

if(cursor+1{

cursor++;

flash[n]=0;

n-=3;

flash[n]=255;

dot=dottime[cursor];

flash[4]=dotflash[cursor];

return;

}

}

//-----------增加数值--------------------------------------------------

if((x==up) && ( (pshow[ cursor+ line[n]] +step[n]) <=overhigh[cursor+line[n]] ))

{

if( (cursor+ line[n])==day )

{

if( (pshow[ cursor+ line[n]] +step[n])>overday[time[month]-1] ) return;

}

pshow[cursor+line[n]]+=step[n];

return;

}//按键步长

//-----------减少数值---------------------------------------------------

if((x==down) && ( pshow[ cursor+ line[n]] >= (overlow[cursor+line[n]] +step[n]) ))

{

pshow[cursor+line[n]]-=step[n];

return;

}//按键步长

}

else if(model==2)

{

//-----------增减数值---------------------------------------------------

if(n==0)

{

if(x==left) return;

if(x==right){n++;return;}

if((x==up)&&(temp[n]<5)) {temp[n]++;return;}

if((x==down)&&(temp[n]>0)) {temp[n]--;return;}

}

else if(n==1)

{

if(x==left) {n--;return;}

if(x==right) return;

if((x==up)&&(temp[n]<=100)) {temp[n]++;return;}

if((x==down)&&(temp[n]>0)) {temp[n]--;return;}

}

}

}

//===================输出=======================================

void powerout(void)

{

static unsigned char data way=0,m=0,x=0;

static unsigned char data sjgl[]={0,0,0,0,0};

unsigned char data n;

//-------初始化---

n=maxout;

x++;

if(x>zzq)

{

x=0;

m=0;

way=0;

sjgl[0]=0;sjgl[1]=0;sjgl[2]=0;

sjgl[3]=0;sjgl[4]=0;sjgl[5]=0;

}

//--------间歇输出部分----

if(high!=0)

{

m++;

if(m>(high+low)) m=1;

if(m>high) n--;

}

//-------真正输出部分-----

P0=255;//关断输出；

if(n==0) return;

while(n{

if(way>maxway) way=1;

sjgl[way]++;

if(sjgl[way]<=powlist[way]) {n--; P0=P0&port[way];}//输出

way++;

}

}

//===================输出计算=======================================

void outjs(void)

{

unsigned char data zs,ys,jg,m,n;

//-------------输出路数和功率初步计算-----------

outnumb=0;

power=0;

pconfig=pconfig+2;

for(n=0;n<8;n++)

{

if(*(pconfig)&bitcheck[n])

{

outnumb++;//输出路数加1

powlist[n]=*(pconfig+outnumb);//到功率开始部分

power=power+powlist[n];//总功率

}

}

//---------分配计算---------------------------------

zs=power/100;//求整数

ys=power%100;//求余数

high=0;

low=0;

zzq=power;

if(zs>=maxout) {outnumb=maxou

t;return;}

if(ys==0) {outnumb=zs;return;}

outnumb=zs+1;

jg=100-ys;

zzq=zzq+jg;

//---------计算比例(碾展法)----------

if(ys>jg)

{m=ys;n=jg;}

else

{m=jg;n=ys;}

while(zs!=0)/*利用辗除法，直到zs为0为止*/

{

zs=m%n;

m=n;

n=zs;

}

high=ys/m;

low=jg/m;

}

//============时钟中断子程序===========================================

void timer(void) interrupt 5 using 0

{

TF2=0;

display();

//outjs();

//powerout();

time[tick]++;

if(time[tick]<250) return;

time[tick]=0;

time[sec]++;

if(time[sec]<60) return;

time[sec]=0;

time[min]++;

if(time[min]<60)

{//时间检测

if(*pconfig!=time[hour]) return;

if(*(pconfig+1)!=time[min]) return;

outjs();

return;

}

time[min]=0;

time[hour]++;

if(time[hour]<24)

{//时间检测

if(*pconfig!=time[hour]) return;

if(*(pconfig+1)!=time[min]) return;

outjs();

return;

}

time[hour]=0;

time[day]++;

if(time[day]<=overday[time[month]-1]) return;

time[day]=1;

if(time[sunday]<7)

time[sunday]++;

else

time[sunday]=1;

time[month]++;

if(time[month]<13) return;

time[month]=1;

}

//============按键中断子程序===========================================

void set(void) interrupt 2 using 0

{

setup();

}