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#include <reg52.h>
#include <intrins.h>
typedef unsigned char u8;
u8 LED1 LED2 LED3 LED4 LED5 LED7 LED8
u8 time1 time2 time3 time4 time5 time7 time8
u8 select_function
sbit RS=P2^0;
sbit RW=P2^1;
sbit E=P1^2;
sbit T_RST=P1^3;
sbit T_CLK=P1^7;
sbit T_IO=P2^3;
sbit s7=P3^0;
sbit s6=P3^1;
sbit s5=P3^2;
sbit s4=P3^3;
unsigned char timechar[]={"TIME:"};
unsigned char datechar[]={"DATE:"};
void Timer0Init()
{
TMOD=0X01;
TH0=0XD8;
TL0=0XF0;
ET0=1;
EA=1;
TR0=1;
}
void time_calculate()
{
time1++;
if(time1==60)
{
time1=0;
time2++;
}
if(time2==60)
{
time2=0;
time3++;
}
if(time3==24)
{
time1=0;
time2=0;
time3++;
}
}
//*********************************************************************************
void WriteB(unsigned char dat)
{
unsigned char i;
for(i=8; i>0; i--)
{
T_IO=dat&0x01;
T_CLK = 1;
T_CLK = 0;
dat = dat >> 1;
}
}
unsigned char ReadB(void)
{
unsigned char i,readdat=0;
for(i=8; i>0; i--)
{
readdat=readdat>>1;
if(T_IO)
{
readdat|=0x80;
}
T_CLK = 1;
T_CLK = 0;
}
return(readdat);
}
void W1302(unsigned char address,unsigned char dat)
{
T_RST = 0;
T_CLK = 0;
_nop_();
_nop_();
T_RST = 1;
_nop_();
_nop_();
WriteB(address);
WriteB(dat);
T_CLK = 1;
T_RST =0;
}
unsigned char R1302(unsigned char address)
{
unsigned char dat=0;
T_RST = 0;
T_CLK = 0;
T_RST = 1;
WriteB(address);
dat = ReadB();
T_CLK = 1;
T_RST =0;
return(dat);
}
void delay(unsigned int n)
{
unsigned i=0,j=0;
for(i=0;i<n;i++)
{
for(j=0;j<120;j++);
}
}
void writedat(unsigned char dat)
{
RS=1;
RW=0;
E=0;
P0=dat;
delay(5);
E=1;
E=0;
}
void writecom(unsigned char com)
{
RS=0;
RW=0;
E=0;
P0=com;
delay(5);
E=1;
E=0;
}
void Initlcd()
{
writecom(0x38);
writecom(0x0c);
writecom(0x06);
writecom(0x01);
}
//***********************************************************************
//*************************°′¼ü¿ØÖÆ**************************************
void keypros()
{
if(s6==0)
{
delay(10);
if(s6==0)
{
select_function++;
if(select_function==4)select_function=0;
if(select_function!=0)TRO=0;
}while(!s6);
if(select_function==0)TRO=1;
}
/**********************************************************/
if(select_function==1)
{
if(s5==0)
{
time1++;
if(time1>=60)time1=0
}while(!s5);
if(s4==0)
{
if(time1==0)time1=60;
time1--;
}while(!s4);
}
/**********************************************************/
if(select_function==2)
{
if(s5==0)
{
time2++;
if(time2>=60)time2=0
}while(!s5);
if(s4==0)
{
if(time2==0)time2=60;
time2--;
}while(!s4);
}
/**********************************************************/
if(select_function==3)
{
if(s5==0)
{
time3++;
if(time3>=24)time3=0
}while(!s5);
if(s4==0)
{
if(time3==0)time3=24;
time3--;
}while(!s4);
}
LED1=time1%10;
LED1=time1/10;
LED2=time2%10;
LED2=time2/10;
LED3=time3%10;
LED3=time3/10;
}
//************************ÖD¶Ï￡¨Ã¿¸ô10msÖD¶Ïò»′Î￡¬Ë￠DÂê±¼ä￡©***********
void Timer0() interrupt 1
{
static unsigned int k=0;
TH0=0xD8;
TL0=0xF0;
k++;
if(k==50)
{
k=0;
timer_calculate();
}
}
//*********************************************************************
void display()
{
lcd_pos(0x07);
lcdwriteData(LED8+'0');
lcd_pos(0x08);
lcdwriteData(LED7+'0');
lcd_pos(0x09);
lcewriteData('-');
/*****************************/
lcd_pos(0x0A);
lcdwriteData(LED5+'0');
lcd_pos(0x0B);
lcdwriteData(LED4+'0');
lcd_pos(0x0C);
lcewriteData('-');
/****************************/
lcd_pos(0x0D);
lcdwriteData(LED2+'0');
lcd_pos(0x0E);
lcdwriteData(LED1+'0');
lcd_pos(0x0F);
lcewriteData('-');
}
//***********************************************************************
//***********************************************************************
void main()
{
Initlcd();
show_string(display);
Time0Init();
LED1=0;
LED2=0;
LED3=0;
LED4=0;
LED5=0;
LED6=0;
LED7=0;
LED8=0;
select_function=0;
time1=0;
time2=0;
time3=0;
show_string(display)
while(1)
{
keypros();
display();
}
}
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