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#include <reg51.h>//头文件
#include <intrins.h>
#include "DS1302.h"
#define uchar unsigned char
#define uint unsigned int
code duanma[11] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xbf};
code weima[8] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
uint jishu;
uchar dot,flash,a,b,c,d;//
uchar key1_state,key2_state,key3_state,key4_state;
static uchar key1_flag=0; //定义静态变量
sbit key1 = P3^0; //定义4个按键的端口
sbit key2 = P3^1;
sbit key3 = P3^2;
sbit key4 = P3^3;
/************时间延迟函数**************/
//void delay(int delaytime)
//{
// while(delaytime--)
// {
// _nop_();
// }
//}
// 毫秒延时
void delayms(unsigned int delaytime)
{
uint i,j;
for( i = 0;i < delaytime;i++ )
for(j = 0;j < 120;j++);
}
//消隐函数
void xiaoying()
{
delayms(1);
P0=0;
delayms(1);
}
/***********获取按键状态函数***************/
uchar get_key()
{
if(key1 == 0 )
{
key1 = 1;
delayms(1);
if(key1 == 0)
key1_state = 1; //记忆key1按下的状态
}
if(key1 == 1 && key1_state == 1)
{
key1_state = 0;
key1_flag++;
}
if(key1_flag == 4)
key1_flag = 0;
return(key1_flag);
}
/************* T0的中断服务函数****************/
void timer0_isr(void) interrupt 1
{
// uchar i;
TR0 = 0;//给T0重新置初值
TH0 = (65536-5000)/256;//
TL0 = (65536-5000)%256;//
TR0 = 1;
jishu++;//进入中断的次数
if(jishu == 100)
{
dot =! dot;
jishu = 0;
}
}
/************* T0初始化函数,每5毫秒进一次中断************/
void timer0_init()
{
EA = 0;
TR0 = 0;
TMOD &= 0xF0;
TMOD |= 0x01;
TL0 = (65536-5000)%256;
TH0 = (65536-5000)/256;
PT0 = 0;
ET0 = 1;
TR0 = 1;
EA = 1;
}
/*************单片机初始化函数*****************/
void Init_mcu(void)
{
timer0_init();//中断T0初始化
init1302(); //
key1_flag = 0;
}
/***********按键和时间设置函数*************/
void key_setup()
{
uchar i;
i = get_key();
if(i == 3)//i=3;adjust second ；调整秒
{
if(key2 == 0)
{
key2 = 1;
;;
if(key2 == 0)
key2_state= 1;
}
if(key2 == 1 && key2_state == 1)
{
key2_state = 0;
counter[0]++;
if(counter[0] >= 60)
counter[0] = 0;
}
if(key3 == 0 )
{
key3 = 1;
;;
if(key3 == 0)
key3_state = 1;
}
if(key3 == 1 && key3_state == 1)
{
key3_state = 0;
counter[0]--;
if(counter[0] < 0)
counter[0] = 59;
}
a = dot*0xff;
}
else a = 0;
if(i == 2)//i=2;adjust the minute；调整分钟
{
if(key2 == 0)
{
key2 = 1;
;;
if(key2 == 0)
key2_state= 1;
}
if(key2 == 1 && key2_state == 1)
{
key2_state = 0;
counter[1]++;
if(counter[1]>= 60)
counter[1] = 0;
}
if(key3 == 0 )
{
key3 = 1;
;;
if(key3 == 0)
key3_state = 1;
}
if(key3 == 1 && key3_state == 1)
{
key3_state = 0;
counter[1]--;
if(counter[1] < 0)
counter[1] = 59;
}
b = dot*0xff;
}
else b = 0;
if(i == 1) //i=1;adjust the hour；调整小时
{
if(key2 == 0)
{
key2 = 1;
;;
if(key2 == 0)
key2_state= 1;
}
if(key2 == 1 && key2_state == 1)
{
key2_state = 0;
counter[2]++;
if(counter[2] > 23 && d == 0)
counter[2] = 0;
if(counter[2] > 12 && d == 1)
counter[2] = 1;
}
if(key3 == 0)
{
key3 = 1;
;;
if(key3 == 0)
key3_state = 1;
}
if(key3 == 1 && key3_state == 1)
{
key3_state = 0;
counter[2]--;
if(counter[2] < 0 && d == 0)
counter[2] = 23;
if(counter[2] < 1 && d == 1)
counter[2] = 12;
}
c = dot*0xff;
}
else c = 0;
if(key4 == 0)
{
key4 = 1;
;;
if(key4 == 0)
key4_state = 1;
}
if(key4 == 1 && key4_state == 1)
{
d = !d;
key4_state = 0;
}
}
/**********显示函数**************/
void display()
{
uchar i;
for(i=0;i<8;i++)
{
P0 = 0x00;
P2 = weima[7];
P0 = a|~duanma[counter[0]%10];
delayms(1);
P0 = 0x00;
P2 = weima[6];
P0 = a|~duanma[counter[0]/10];
delayms(1);
P0 = 0x00;
P2 = weima[5];
P0=~duanma[10];
delayms(1);
P0 = 0x00;
P2 = weima[4];
P0 = b|~duanma[counter[1]%10];
delayms(1);
P0 = 0x00;
P2 = weima[3];
P0 = b|~duanma[counter[1]/10];
delayms(1);
//i = 0x80*dot;
//i = 0x7f|i;
P0 = 0x00;
P2 = weima[2];
P0=~duanma[10];
delayms(1);
P0 = 0x00;
P2 = weima[1];
P0 = c&~duanma[counter[2]%10];
delayms(1);
P0 = 0x00;
P2 = weima[0];
P0 = c&~duanma[counter[2]/10];
delayms(1);
}
}
void display1()
{
uchar i;
for(i=0;i<8;i++)
{
P0 = 0x00;
P2 = weima[7];
P0 = a|~duanma[counter[0]%10];
delayms(1);
P0 = 0x00;
P2 = weima[6];
P0 = a|~duanma[counter[0]/10];
delayms(1);
P0 = 0x00;
P2 = weima[5];
P0=~duanma[10];
delayms(1);
P0 = 0x00;
P2 = weima[4];
P0 = b&~duanma[counter[1]%10];
delayms(1);
P0 = 0x00;
P2 = weima[3];
P0 = b&~duanma[counter[1]/10];
delayms(1);
//i = 0x80*dot;
//i = 0x7f|i;
P0 = 0x00;
P2 = weima[2];
P0=~duanma[10];
delayms(1);
P0 = 0x00;
P2 = weima[1];
P0 = c|~duanma[counter[2]%10];
delayms(1);
P0 = 0x00;
P2 = weima[0];
P0 = c|~duanma[counter[2]/10];
delayms(1);
}
}
void display2()
{
uchar i;
for(i=0;i<8;i++)
{
P0 = 0x00;
P2 = weima[7];
P0 = a&~duanma[counter[0]%10];
delayms(1);
P0 = 0x00;
P2 = weima[6];
P0 = a&~duanma[counter[0]/10];
delayms(1);
P0 = 0x00;
P2 = weima[5];
P0=~duanma[10];
delayms(1);
P0 = 0x00;
P2 = weima[4];
P0 = b|~duanma[counter[1]%10];
delayms(1);
P0 = 0x00;
P2 = weima[3];
P0 = b|~duanma[counter[1]/10];
delayms(1);
//i = 0x80*dot;
//i = 0x7f|i;
P0 = 0x00;
P2 = weima[2];
P0=~duanma[10];
delayms(1);
P0 = 0x00;
P2 = weima[1];
P0 = c|~duanma[counter[2]%10];
delayms(1);
P0 = 0x00;
P2 = weima[0];
P0 = c|~duanma[counter[2]/10];
delayms(1);
}
}
/**************主函数****************/
void main()
{
uchar i;
Init_mcu();
while(1) //无限循环
{
key_setup();
if(key1_flag == 1)
{
display();
}
if(key1_flag==2)
{
display1();
}
if(key1_flag == 3 )
{
display2();
}
if(key1_flag ==4)
{
TR0=1;
key1_flag=0;
sec=(counter[0]/10)*16+counter[0]%10; // BCD 码转换成 HEX
min=(counter[1]/10)*16+counter[1]%10; // BCD 码转换成 HEX
hou=(counter[2]/10)*16+counter[2]%10; // BCD 码转换成 HEX
set_time();
TR0=1;
}
if(key1_flag == 0)
{
get_time();
flash = 0x7f*dot;
flash = flash|0x80;
P0 = 0x00;
P2 = weima[i];
if(i == 2 || i == 5)
P0 = ~duanma[time1[i]]&flash;
else
P0 = ~duanma[time1[i]];
}
i++;
if(i == 8)i = 0;
xiaoying();
}
}
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