单片机电子钟的完整源程序12m晶振.doc

#include #define uchar unsigned char#define uint unsigned intsbit key11=P33;sbit key12=P34;sbit key13=P35;sbit led14=P14;sbit led15=P15;unsigned char code table=0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10;/unsigned char code table=0x28,0x7e,0xa2,0x62,0x74,0x61,0x21,0x7a,0x20,0x60,008H,05EH,082H,042H,054H,041H,001H,05AH,000H,040H;/我自己板子的字库uchar hou1,hou2,min1,min2,flag;uchar i,j,k,l;uint tt,tt2;void init();void keyscan();void count();void display(uchar,uchar,uchar,uchar);void delay(uint);main()init();while(1)while(flag=0)/时钟运行状态keyscan();count();display(hou1,hou2,min1,min2);if(i=k&j=l)led14=0;if(tt%20=15)led15=0;if(tt%20=19)led15=1;while(flag=1)/时钟分钟设定状态TR0=0;keyscan();count();display(hou1,hou2,min1,min2);while(flag=2)/时钟小时设定状态keyscan();count();display(hou1,hou2,min1,min2);while(flag=3)/闹钟分钟设定状态keyscan();count();display(hou1,hou2,min1,min2);while(flag=4)/闹钟小时设定状态keyscan();count();display(hou1,hou2,min1,min2);void init()i=12;j=0;k=6;l=0;hou1=1;hou2=2;min1=0;min2=0;flag=0;TMOD=0X11;/定时器01设置方式1 一次时间0.05s0.01sTH0=(65536-50000)/256; TL0=(65535-50000)%256;TH1=(65536-20000)/256; TL1=(65535-20000)%256;EA=1;/开总中断ET0=1;/开定时器0中断ET1=1;/开定时器1中断EX0=1;/开外部中断0TR0=1;/定时器0开始工作TR1=1;/定时器1开始工作IT0=1;/外部中断下降沿触发void keyscan()/扫描独立键盘if(key11=0)delay(1);if(key11=0)/消抖flag+;if(flag=5)flag=0;TR0=1;while(!key11)/等待按键释放count();display(hou1,hou2,min1,min2);if(flag=1)/此后为时钟设定分钟扫描if(key12=0)delay(1);if(key12=0)/消抖j+;while(!key12)/等待按键释放count();display(hou1,hou2,min1,min2);if(key13=0)delay(1);if(key13=0)/消抖j-;while(!key13)/等待按键释放count();display(hou1,hou2,min1,min2);if(flag=2)/此后为时钟设定小时扫描if(key12=0)delay(1);if(key12=0)/消抖i+;while(!key12)/等待按键释放count();display(hou1,hou2,min1,min2);if(key13=0)delay(1);if(key13=0)/消抖i-;while(!key13)/等待按键释放count();display(hou1,hou2,min1,min2);if(flag=3)/此后为闹钟设定分钟扫描if(key12=0)delay(1);if(key12=0)/消抖l+;while(!key12)/等待按键释放count();display(hou1,hou2,min1,min2);if(key13=0)delay(1);if(key13=0)/消抖l-;while(!key13)/等待按键释放count();display(hou1,hou2,min1,min2);if(flag=4)/此后为闹钟设定小时扫描if(key12=0)delay(1);if(key12=0)/消抖k+;while(!key12)/等待按键释放count();display(hou1,hou2,min1,min2);if(key13=0)delay(1);if(key13=0)/消抖k-;while(!key13)/等待按键释放count();display(hou1,hou2,min1,min2);void count()if(j=60)j=00;if(flag=0)i+;if(i=24)i=00;if(j=255)j=59;if(i=255)i=23;if(l=60)l=00;if(k=24)k=00;if(l=255)l=59;if(k=255)k=23;if(flag=0|flag=1|flag=2)hou1=i/10;hou2=i%10+10;min1=j/10;min2=j%10;elsehou1=k/10;hou2=k%10+10;min1=l/10;min2=l%10;void display(uchar one,uchar two,uchar three,uchar four)P2=0x02;if(flag=2|flag=4)if(tt210)P2=0x00;P0=tableone;delay(5);P2=0x04;if(flag=2|flag=4)if(tt210)P2=0x00;P0=tabletwo;delay(5);P2=0x08;if(flag=1|flag=3)if(tt210)P2=0x00;P0=tablethree;delay(5);P2=0x10;if(flag=1|flag=3)if(tt210)P2=0x00;P0=tablefour;delay(5); void delay(uint z) /延时子函数1msuint x,y;for(x=z;x0;x-)for(y=110;y0;y-);void et0() interrupt 1 TH0=(65536-50000)/256;TL0=(65535