清翔电子51单片机小结—


/*******************************/
//让后4位数码管以0.01秒速度从0到9999显示
//按下S2开始跑数   按下S3停止跑数
//按下S4选择时钟的时分秒哪一位  按下S5对应时分秒进行加一操作
//需要在停止跑数时候才可以进行S4 和 S5 操作；
/*******************************/
#include "reg52.h"
sbit WE=P2^7;
sbit DU=P2^6;
sbit S2=P3^0;
sbit S3=P3^1;
sbit S4=P3^2;
sbit S5=P3^3;
#define uchar unsigned char
#define uint unsigned int
uchar shi_h = 0,shi_l = 0,fen_h = 0,fen_l = 0,miao_h = 0,miao_l = 0;
uchar code leddata[]={ 0x3F,  //"0"0x06,  //"1"0x5B,  //"2"0x4F,  //"3"0x66,  //"4"0x6D,  //"5"0x7D,  //"6"0x07,  //"7"0x7F,  //"8"0x6F,  //"9"0x77,  //"A"0x7C,  //"B"0x39,  //"C"0x5E,  //"D"0x79,  //"E"0x71,  //"F"  150x76,  //"H"0x38,  //"L"0x37,  //"n"0x3E,  //"u"0x73,  //"P"0x5C,  //"o"0x40,  //"-"0x00,  //熄灭0x00  //自定义};void delay(uchar y)
{uchar i,j; for(i=y;i>0;i--)    for(j=114;j>0;j--);
}void display_22(uchar wei_count)
{if(wei_count == 1){P0 = 0xff;WE = 1;P0 = 0xfe; //  shihWE = 0;DU = 1;P0 = leddata[22];DU = 0;delay(5);}if(wei_count == 2){P0 = 0xff;WE = 1;P0 = 0xfd; // shil  WE = 0;DU = 1;P0 = leddata[22];DU = 0;delay(5);}if(wei_count == 3){P0 = 0xff;WE = 1;P0 = 0xf7; // WE = 0;DU = 1;P0 = leddata[22];DU = 0;delay(5);}if(wei_count == 4){P0 = 0xff;WE = 1;P0 = 0xef; //WE = 0;DU = 1;P0 = leddata[22];DU = 0;delay(5);}if(wei_count == 5){P0 = 0xff;WE = 1;P0 = 0xbf; //WE = 0;DU = 1;P0 = leddata[22];DU = 0;delay(5);}if(wei_count == 6){P0 = 0xff;WE = 1;P0 = 0x7f; //WE = 0;DU = 1;P0 = leddata[22];DU = 0;delay(5);}
}       void display_heng()
{P0 = 0xff;WE = 1;P0 = 0xfb; //   0x40 -WE = 0;DU = 1;P0 = leddata[22];DU = 0;delay(5);P0 = 0xff;WE = 1;P0 = 0xdf; //WE = 0;DU = 1;P0 = leddata[22];DU = 0;delay(5);}void display_shi_h(uchar shi_h)
{   P0 = 0xff;WE = 1;P0 = 0xfe; //  shihWE = 0;DU = 1;P0 = leddata[shi_h];DU = 0;delay(5);}
void display_shi_l(uchar shi_l)
{   P0 = 0xff;WE = 1;P0 = 0xfd; // shil  WE = 0;DU = 1;P0 = leddata[shi_l];DU = 0;delay(5);}
void display_fen_h(uchar fen_h)
{   P0 = 0xff;WE = 1;P0 = 0xf7; // WE = 0;DU = 1;P0 = leddata[fen_h];DU = 0;delay(5);}
void display_fen_l(uchar fen_l)
{   P0 = 0xff;WE = 1;P0 = 0xef; //WE = 0;DU = 1;P0 = leddata[fen_l];DU = 0;delay(5);}
void display_miao_h(uchar miao_h)
{   P0 = 0xff;WE = 1;P0 = 0xbf; //WE = 0;DU = 1;P0 = leddata[miao_h];DU = 0;delay(5);}
void display_miao_l(uchar miao_l)
{   P0 = 0xff;WE = 1;P0 = 0x7f; //WE = 0;DU = 1;P0 = leddata[miao_l];DU = 0;delay(5);}void display( )
{P0 = 0xff;WE = 1;P0 = 0xfe; //  shihWE = 0;DU = 1;P0 = leddata[shi_h];DU = 0;delay(5);P0 = 0xff;WE = 1;P0 = 0xfd; // shil  WE = 0;DU = 1;P0 = leddata[shi_l];DU = 0;delay(5);P0 = 0xff;WE = 1;P0 = 0xf7; // WE = 0;DU = 1;P0 = leddata[fen_h];DU = 0;delay(5);P0 = 0xff;WE = 1;P0 = 0xef; //WE = 0;DU = 1;P0 = leddata[fen_l];DU = 0;delay(5);P0 = 0xff;WE = 1;P0 = 0xbf; //WE = 0;DU = 1;P0 = leddata[miao_h];DU = 0;delay(5);P0 = 0xff;WE = 1;P0 = 0x7f; //WE = 0;DU = 1;P0 = leddata[miao_l];DU = 0;delay(5);
}       void time_init()
{TMOD = 0x01; //time0 16TH0 =(65536 - 46336) / 256;TL0 =(65536 - 46336) % 256;   // 定时50ms
}int main()
{uchar time_count;uchar wei_count;time_init();while(1){display_heng();if(TF0 == 1)   //50ms coming  and push S2{TF0 = 0;TH0 = (65536 - 46336) / 256;TL0 = (65536 - 46336) % 256;           time_count++;if(time_count == 20) //1s到{time_count = 0;++miao_l;if(miao_l > 9){miao_l = 0;++miao_h;if(miao_h == 6){miao_h = 0;++fen_l;if(fen_l == 0xa){fen_l = 0;++fen_h;if(fen_h == 6){fen_h = 0;++shi_l;if(shi_l == 9){shi_l = 0;++shi_h;                                }if((shi_h == 2)&&(shi_l == 4)){shi_h = 0;shi_l = 0;}}}}}}}if(S2 == 0)   {delay(5);if(S2 == 0){TR0 = 1;      //开始运行定时器while(!S2) ;}  }if(S3 == 0)   {delay(5);if(S3 == 0){           TR0 = 0;       //停止运行定时器               while(!S3);}    }if(S4 == 0)         //choose wei{delay(5);if(S4 == 0 && TR0 == 0){   wei_count++;if(wei_count > 6)wei_count -= 6;display_22(wei_count);while(!S4);}}if(S5 == 0)   {delay(5);if(S5 == 0 && TR0 == 0){         switch(wei_count) {case 1:shi_h += 1;if(shi_h > 2)shi_h = 0;display_shi_h(shi_h);break;case 2:shi_l += 1;if(shi_l > 9)shi_l = 0;if((shi_h == 2) && (shi_l > 4)){shi_l = 0;}display_shi_l(shi_l);break;case 3:fen_h += 1;if(fen_h == 6)fen_h = 0;display_fen_h(fen_h);break;case 4:fen_l += 1;if(fen_l == 0xa)fen_l = 0;display_fen_l(fen_l);break;case 5:miao_h += 1;if(miao_h == 6)miao_h = 0;display_miao_h(miao_h);break;case 6:miao_l += 1;if(miao_l > 9)miao_l = 0;display_miao_l(miao_l); break;   default:;}while(!S5);}      } display();                                                                                           }return 1;
}

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