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#include
#include "i2c.h"
#include "delay.h"
#include "1602.h" //?????,?????????,???????????????
#includesbit RS = P2^4;
//????
sbit RW = P2^5;
sbit EN = P2^6;
sbit spk = P1^2;
#define RS_CLR RS=0
#define RS_SET RS=1
#define RW_CLR RW=0
#define RW_SET RW=1
#define EN_CLR EN=0
#define EN_SET EN=1
#define DataPort P0
unsigned char shi,fen,miao,tt;
unsigned char table[]="CLOCK !";
unsigned char table1[]="00:00:00";
sbit key1=P3^7;
sbit key2=P3^6;
sbit key3=P3^5;
sbit key4=P3^4;
sbit key5=P3^3;
void DelayUs2x(unsigned char t)
{
while(--t);
}void DelayMs(unsigned char t)
{ while(t--);
{
//????1mS
DelayUs2x(245);
DelayUs2x(245);
}
}void delay(unsigned int t)
{
unsigned char j,k;
for(j = 0;
j < 255;
j++)
for(k = 0;
k < t;
k++)
;
} bit LCD_Check_Busy(void)
{
DataPort= 0xFF;
RS_CLR;
RW_SET;
EN_CLR;
_nop_();
EN_SET;
return (bit)(DataPort & 0x80);
} void LCD_Write_Com(unsigned char com)
{
// while(LCD_Check_Busy());
//????
DelayMs(5);
RS_CLR;
RW_CLR;
EN_SET;
DataPort= com;
_nop_();
EN_CLR;
} void LCD_Write_Data(unsigned char Data)
{
//while(LCD_Check_Busy());
//????
DelayMs(5);
RS_SET;
RW_CLR;
EN_SET;
DataPort= Data;
_nop_();
EN_CLR;
} void LCD_Clear(void)
{
LCD_Write_Com(0x01);
DelayMs(5);
} void LCD_Init(void)
{
unsigned char i;
LCD_Write_Com(0x38);
/*??????*/
DelayMs(5);
LCD_Write_Com(0x38);
DelayMs(5);
LCD_Write_Com(0x38);
DelayMs(5);
LCD_Write_Com(0x38);
LCD_Write_Com(0x08);
/*????*/
LCD_Write_Com(0x01);
/*????*/
LCD_Write_Com(0x06);
/*????????*/
DelayMs(5);
LCD_Write_Com(0x0C);
/*????????*/
shi=0;
fen=0;
miao=0;
key1=1;
key2=1;
key3=1;
key4=1;
key5=1;
LCD_Write_Com(0x80+5);
for(i=0;
i<7;
i++)
{
LCD_Write_Data(table[i]);
}
LCD_Write_Com(0x80+0x44);
for(i=0;
i<8;
i++)
{
LCD_Write_Data(table1[i]);
}
TMOD=0X01;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;
}void write_shifenmiao(unsigned char add,unsigned char Data)
{
unsigned char shi,ge;
shi=Data/10;
ge=Data%10;
LCD_Write_Com(0x80+0x40+add);
LCD_Write_Data(0x30+shi);
LCD_Write_Data(0x30+ge);
}void time0() interrupt 1
{
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
tt++;
if(tt==20)
{
tt=0;
miao++;
if(miao==60)
{
miao=0;
fen++;
if(fen==60)
{
spk = 1;
delay(500);
spk = 0;
fen=0;
shi++;
if(shi==24)
{
shi=0;
}
write_shifenmiao(4,shi);
}
write_shifenmiao(7,fen);
}
write_shifenmiao(10,miao);
}
}void keyscan()
{
if(key1==0)
{
DelayMs(5);
if(key1==0)
{
TR0=0;
shi++;
if(shi==24)
{
shi=0;
}
write_shifenmiao(4,shi);
DelayMs(200);
TR0=1;
}
}
if(key2==0)
{
DelayMs(5);
if(key2==0)
{
TR0=0;
shi--;
if(shi>24)
{
shi=23;
}
write_shifenmiao(4,shi);
DelayMs(200);
TR0=1;
}
}
if(key3==0)
{
DelayMs(5);
if(key3==0)
{
TR0=0;
fen++;
if(fen==60)
{
fen=0;
}
write_shifenmiao(7,fen);
DelayMs(200);
TR0=1;
}
}
if(key4==0)
{
DelayMs(5);
if(key4==0)
{
TR0=0;
fen--;
if(fen>24)
{
fen=59;
}
write_shifenmiao(7,fen);
DelayMs(200);
TR0=1;
}
}
if(key5==0)
{
DelayMs(5);
if(key5==0)
{
TR0=0;
miao=0;
write_shifenmiao(10,miao);
DelayMs(200);
TR0=1;
}
}
}void main(void)
{
LCD_Init();
while (1)
{
keyscan();
}
}
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