PIC16F887单片机LED数字钟程序.doc

1.硬件原理图2.印制板PCB图3.硬件测试程序用PIC16F887实验板，通过PIC3连接，进行在线调试和脱机运行，调试中遇到很多问题；经过我们的努力和老师的讲解我们成功攻克所有难题。程序如下：#include_CONFIG(0X03E4);_CONFIG(0X0700);#define uint unsigned int#define uchar unsigned charuchar tab=0x3F,0x06,0x5b,0x4f,0x66,0x6d,0x7c,0x07,0x7f,0x67;/七段数码管段码uchar table1=0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd, 0x87,0xff,0xef; init();disp(uint num1,uint num2,uint num3,uint num4,uint num5,uint num6);disp1(uint num7,uint num8,uint num9,uint num10,uint num11,uint num12);/闹钟delay(uint x);uint i=0;int q=0,m=0,p=0;void KeyProcess();#define K0 RB0#define K1 RB2#define K2 RB1#define K3 RB3#define BEEP RE0uchar K1_FLAG=0;uint miao=0,mig=0,mis=0;uint fen=0,fe=0,fn=0;uint shi=0,sh=0,si=0;uint miaoa=0,migb=0,misc=0;/闹钟uint fena=0,feb=0,fnc=0;uint shia=0,shb=0,sic=0;uchar a1,a2,a3,a4,a5,a6;main() init(); TMR0=6; while(1) if(q=0)|(q=1) mig=miao/10; /十位 mis=miao%10; /个位 fe=fen/10; /十位 fn=fen%10; /个位 sh=shi/10; /十位 si=shi%10; /个位 disp(sh,si,fe,fn,mig,mis);if(K3=0)delay(10);if(K3=0)q+;K1_FLAG=1; if(q=3)TMR1ON=1;q=0;p=0;K1_FLAG=0;while(!K3);if(K1_FLAG=1)KeyProcess(); void interrupt t0() uint k=0,m=0; T0IF=0; i+; if(i=3670) miao+; if(miao59) miao=0; k=1; if(fen=59) if(miao53) BEEP=1;/蜂鸣器 delay(50);BEEP=0;delay(50);BEEP=1;/蜂鸣器 delay(50);BEEP=0;delay(50); if(shi=shia)if(fen=(fena-1) if(miao53) BEEP=1;/蜂鸣器 delay(50);BEEP=0;delay(50);BEEP=1;/蜂鸣器 delay(50);BEEP=0;delay(50); i=0; TMR0=6; if(k=1) fen+; if(fen59) fen=0; m=3; if(m=3) shi+; if(shi23) shi=0; init() TRISE=0x00; OPTION=0x18;/B端口弱电上位（使用B端口内部上啦电阻） INTCON=0XA0; TRISD=0;TRISB=0XFF;ANS8=0;ANS9=0;ANS10=0;ANS12=0; TRISC=0; ANSEL=0;BEEP=0;disp(uint num1,uint num2,uint num3,uint num4,uint num5,uint num6) PORTD=tabnum1; PORTC=0XFE; delay(1); PORTD=table1num2; PORTC=0XFD; delay(1);PORTD=0X40;PORTC=0XFB;delay(1); PORTD=tabnum3; PORTC=0XF7; delay(1); PORTD=table1num4; PORTC=0XEF; delay(1); PORTD=0X40;PORTC=0Xdf;delay(1); PORTD=tabnum5; PORTC=0XBF; delay(1); PORTD=tabnum6; PORTC=0X7F; delay(1);delay(uint x)/延时uint a=0,b=0;for(a=x;a0;a-)for(b=110;b0;b-);/*按键处理*/void KeyProcess()TMR1ON=0;if(q=1)if(K1=0)delay(10);if(K1=0) shi+;if(shi=24)shi=0;while(!K1);if(K2=0)delay(10);if(K2=0)while(!K2);fen+;if(fen=60)fen=0;if(q=2)if(K1=0)delay(10);if(K1=0)shia+;if(shia=24)shia=0;while(!K1);if(K2=0)delay(10);if(K2=0)while(!K2);fena+;if(fena=60)fena=0;migb=miaoa/10; /十位 misc=miaoa%10; /个位 feb=fena/10; /十位 fnc=fena%10; /个位 shb=shia/10; /十位 sic=shia%10; /个位 disp(shb,sic,feb,fnc,migb,misc);disp1(uint num7,uint num8,uint num9,uint num10,uint num11,uint num12) PORTD=tabnum7; PORTC=0XFE; delay(500); PORTD=table1num8; PORTC=0XFD; delay(5000);PORTD=0X40;PORTC=0XFB;delay(5000); PORTD=tabnum9; PORTC=0XF7; delay(5000); PORTD=table1num10; PORTC=