main.c

用c8051330做的数字钟

#include<c8051f330.h>
#include"function.h"
#define TIME1 10
#define uchar unsigned char


sfr16 TMR2RL  = 0xca;
sfr16 TMR2    = 0xcc;
//sbit key0=P0^2;
sbit key0=P1^1;
//sbit key1=P0^3;
sbit key1=P1^0;
sbit led=P1^4;

uchar i,j;
uchar sec,min,hour;

void time2_isr() interrupt 5
{
		TF2H=0;
		i++;
}
void main()
{
  
  sys_init();
  time2_init();
  i=0;sec=0;min=0;hour=12;
	while(1)
	{
	    if(i>=10)
		{
		  i=0;
		  led=!led;
		  j++;
		}
		if(j>=2)
		{
			j=0;
			sec++;
			
		}
		if(sec>=60)
		{
		    sec=0;
			min++;

		}

		if(min>=60)
		{
		    min=0;
			hour++;

		}
		if(hour>=24)
		{
			hour=0;
		}

		if(key0==0)
		{  
		   delay(TIME1);
		   {
			   if(key0==0)
			   {
				   if(min<60)
				    min++;
				   else
				    min=0;
					while(!key0);
				}
			}
		
		}
			if(key1==0)
		{  
		   delay(TIME1);
		   {
			   if(key1==0)
			   {
				   if(hour<24)
				    hour++;
				   else
				    hour=0;
					while(!key1);
				}
			}
		
		}

		display(hour, min,sec) ;
	}
}