s52.c

pov led时钟

/*
  POV摇摆显示LED钟C51程序

      周正华编
      2008.2.29
*/


#include <reg52.h>

/*硬件端口定义*/
sbit set0=P3^1;
sbit set1=P3^0;
sbit set2=P3^2;

sbit put1=P3^4;
sbit put2=P3^5;

/*时钟用数组*/
unsigned char BUFFER[]={0,0,0,0};
unsigned char maxnum[]={59,23};

/*显示用数组*/
unsigned int v[20];
unsigned int w[7];

/*字符字模*/
unsigned char code ASCIIDOC[] =    // ASCII
{
	0x7C,0x8A,0x92,0xA2,0x7C,0x00, // -0-00
	0x00,0x42,0xFE,0x02,0x00,0x00, // -1-01
	0x46,0x8A,0x92,0x92,0x62,0x00, // -2-02
	0x84,0x82,0x92,0xB2,0xCC,0x00, // -3-03
	0x18,0x28,0x48,0xFE,0x08,0x00, // -4-04
	0xE4,0xA2,0xA2,0xA2,0x9C,0x00, // -5-05
	0x3C,0x52,0x92,0x92,0x8C,0x00, // -6-06
	0x80,0x8E,0x90,0xA0,0xC0,0x00, // -7-07
	0x6C,0x92,0x92,0x92,0x6C,0x00, // -8-08
	0x62,0x92,0x92,0x94,0x78,0x00, // -9-09

	0x00,0x00,0x00,0x00,0x00,0x00, // - -10
	0x00,0x00,0xFA,0x00,0x00,0x00, // -!-11
	0x04,0x08,0x10,0x20,0x40,0x00, // -/-12
	0x00,0x6C,0x6C,0x00,0x00,0x00, // -:-13

	0x3E,0x48,0x88,0x48,0x3E,0x00, // -A-14
	0xFE,0x92,0x92,0x92,0x6C,0x00, // -B-15
	0x7C,0x82,0x82,0x82,0x44,0x00, // -C-16
	0xFE,0x82,0x82,0x82,0x7C,0x00, // -D-17
	0xFE,0x92,0x92,0x92,0x82,0x00, // -E-18
	0xFE,0x90,0x90,0x90,0x80,0x00, // -F-19
	0x7C,0x82,0x8A,0x8A,0x4E,0x00, // -G-20
	0xFE,0x10,0x10,0x10,0xFE,0x00, // -H-21
	0x00,0x82,0xFE,0x82,0x00,0x00, // -I-22
	0x04,0x02,0x82,0xFC,0x80,0x00, // -J-23
	0xFE,0x10,0x28,0x44,0x82,0x00, // -K-24
	0xFE,0x02,0x02,0x02,0x02,0x00, // -L-25
	0xFE,0x40,0x30,0x40,0xFE,0x00, // -M-26
	0xFE,0x20,0x10,0x08,0xFE,0x00, // -N-27
	0x7C,0x82,0x82,0x82,0x7C,0x00, // -O-28
	0xFE,0x90,0x90,0x90,0x60,0x00, // -P-29
	0x7C,0x82,0x8A,0x84,0x7A,0x00, // -Q-30
	0xFE,0x90,0x98,0x94,0x62,0x00, // -R-31
	0x64,0x92,0x92,0x92,0x4C,0x00, // -S-32
	0x80,0x80,0xFE,0x80,0x80,0x00, // -T-33
	0xFC,0x02,0x02,0x02,0xFC,0x00, // -U-34
	0xF8,0x04,0x02,0x04,0xF8,0x00, // -V-35
	0xFE,0x04,0x18,0x04,0xFE,0x00, // -W-36
	0xC6,0x28,0x10,0x28,0xC6,0x00, // -X-37
	0xC0,0x20,0x1E,0x20,0xC0,0x00, // -Y-38
	0x86,0x8A,0x92,0xA2,0xC2,0x00, // -Z-39

	0x24,0x2A,0x2A,0x1C,0x02,0x00, // -a-40
	0xFE,0x14,0x22,0x22,0x1C,0x00, // -b-41
	0x1C,0x22,0x22,0x22,0x10,0x00, // -c-42
	0x1C,0x22,0x22,0x14,0xFE,0x00, // -d-43
	0x1C,0x2A,0x2A,0x2A,0x10,0x00, // -e-44
	0x10,0x7E,0x90,0x90,0x40,0x00, // -f-45
	0x19,0x25,0x25,0x25,0x1E,0x00, // -g-46
	0xFE,0x10,0x20,0x20,0x1E,0x00, // -h-47
	0x00,0x00,0x9E,0x00,0x00,0x00, // -i-48
	0x00,0x01,0x11,0x9E,0x00,0x00, // -j-49
	0xFE,0x08,0x14,0x22,0x02,0x00, // -k-50
	0x00,0x82,0xFE,0x02,0x00,0x00, // -l-51
	0x1E,0x20,0x1E,0x20,0x1E,0x00, // -m-52
	0x20,0x1E,0x20,0x20,0x1E,0x00, // -n-53
	0x1C,0x22,0x22,0x22,0x1C,0x00, // -o-54
	0x3F,0x24,0x24,0x24,0x18,0x00, // -p-55
	0x18,0x24,0x24,0x24,0x3F,0x00, // -q-56
	0x20,0x1E,0x20,0x20,0x10,0x00, // -r-57
	0x12,0x2A,0x2A,0x2A,0x24,0x00, // -s-58
	0x20,0xFC,0x22,0x22,0x24,0x00, // -t-59
	0x3C,0x02,0x02,0x3C,0x02,0x00, // -u-60
	0x38,0x04,0x02,0x04,0x38,0x00, // -v-61
	0x3C,0x02,0x3C,0x02,0x3C,0x00, // -w-62
	0x22,0x14,0x08,0x14,0x22,0x00, // -x-63
	0x39,0x05,0x05,0x09,0x3E,0x00, // -y-64
	0x22,0x26,0x2A,0x32,0x22,0x00, // -z-65

};

unsigned int TZ,Ti;
unsigned char ii,jj,nn,mm,tt, Ms;

/*延时函数*/
void DelayMs(unsigned int msec)
{
  unsigned int x,y;
  for(x=0; x<=msec;x++)
  {
	for(y=0;y<=110;y++);
  }
}

/*键盘去抖处理函数*/
unsigned char ChKey(bit Key)
{
  if(Key==0){
    DelayMs(30);
    if(Key==0) return(1);
  }
}

/*定时器中断0处理(时钟)函数*/
void timer0(void) interrupt 1 using 1
{
  TH0=-(5000/256);						
  TL0=-(5000%256);
  TR0=1;
  BUFFER[0]=BUFFER[0]+1;
  if (BUFFER[0]>201){
    BUFFER[0]=0;   BUFFER[1]=BUFFER[1]+1;
	Ms=!Ms;
	if (BUFFER[1]==60){
	  BUFFER[1]=0;BUFFER[2]=BUFFER[2]+1;
	  if (BUFFER[2]==60){
		BUFFER[2]=0;BUFFER[3]=BUFFER[3]+1;
		if (BUFFER[3]==24) BUFFER[3]=0;
      }
    }
  }
}

/*定时器中断1处理(LED驱动)函数*/
void timer1(void) interrupt 3 using 1
{
  TH1=(Ti+tt*15)/256; TL1=(Ti+tt*15)%256;
  if((put1==1)&&(ii<7)&&(Ms*w[ii]==0)) P2=~ASCIIDOC[v[ii]*6+jj]; else P2=0xff;
  jj++; tt++;
  if(jj>5) {ii++; jj=0;};
  if(ii>10) {ii=0;put1=~put1; put2=~put2;tt=0;}
}

/*主程序*/
void main(void)
{
  Ms=1;
  Ti=-3000;  //根据实际调整 
  mm=14;
  put1=0;put2=1;  
 /*初始化定时中断0*/ 
  TMOD=0x11;		
  TH0=-5000/256; TL0=-5000%256;
  TR0=1;ET0=1;
/*初始化定时中断1*/
  TH1=Ti/256; TL1=Ti%256;
  TR1=1;ET1=1;

/* 七个显示位置,中间为":" 符 */ 
  v[0]=10;
  v[1]=10;
  v[2]=10;
  v[3]=13;
  v[4]=10;
  v[5]=10;
  v[6]=10;
  
  /*正常运行状态,让中间":"符闪现*/
  w[1]=0;
  w[2]=0;
  w[3]=1;
  w[4]=0;
  w[5]=0;
   
  /*摇摆棒初始启动*/
  do {
    mm--;
      DelayMs(120+mm*5);
    put1=~put1; put2=~put2;
  }while(mm>0);

  /*启动显示*/
  ii=0;jj=0;
  EA=1;

  /*正式运行*/
  for(;;){
    while(1){
      /*显示时和分*/ 
	  v[1]=BUFFER[3]/10;
      v[2]=BUFFER[3]-v[1]*10;
      v[4]=BUFFER[2]/10;
      v[5]=BUFFER[2]-v[4]*10;

	  /*按键处理*/
      if(ChKey(set0)==1){   //调整项键 
	    if(TZ<2) TZ++; else TZ=0;
	    /*闪现调整项*/
	    switch(TZ){
		  case 0:w[1]=0;w[2]=0;w[3]=1;w[4]=0;w[5]=0;break;//正常时秒闪 
		  case 1:w[1]=0;w[2]=0;w[3]=0;w[4]=1;w[5]=1;break;//调分时分闪 
		  case 2:w[1]=1;w[2]=1;w[3]=0;w[4]=0;w[5]=0;break;//调时时时闪 
	    }
      };
      DelayMs(300);
      if(ChKey(set1)==1){ if(BUFFER[TZ+1]<maxnum[TZ-1]) BUFFER[TZ+1]++; else BUFFER[TZ+1]=0;DelayMs(300);};
      // 加法键 
      if(ChKey(set2)==1){ if(BUFFER[TZ+1]>0) BUFFER[TZ+1]--; else BUFFER[TZ+1]=maxnum[TZ-1];DelayMs(300);};
      // 减法键 
      DelayMs(300);
    }
  }
}