#include<reg52.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit lcden=P2^7;
sbit lcdrw=P2^5;
sbit lcdrs=P2^6;
sbit T_CLK=P3^6;
sbit T_IO=P3^4;
sbit T_RST=P3^5;
uchar bdata datbyte;
sbit datbyte0=datbyte^0;
sbit datbyte7=datbyte^7;
uchar code table1[]={0x81,0x83,0x85,0x87,0x89,0x8b,0x8d}; //讀地址命令
uchar code table2[]={0x80,0x82,0x84,0x86,0x88,0x8a,0x8c}; //寫地址命令
uchar time[7]={0,0,0x08,0x01,0x10,0x06,0x16};
char week[21]={'M','o','n','T','u','e','W','e','d','T','u','e','F','r','i','S','a','t','S','u','n'};
void delayms(uint xms)
{
uint i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void writeorder(uchar order) //1602寫命令函數
{
lcdrs=0;
P0=order;
delayms(5);
lcden=1;
delayms(5);
lcden=0;
}
void writedate(uchar date) //1602寫數據函數
{
lcdrs=1;
P0=date;
delayms(5);
lcden=1;
delayms(5);
lcden=0;
}
void lcdinit() //1602初始化函數
{
lcdrw=0;
writeorder(0x38);
writeorder(0x0c);
writeorder(0x06);
writeorder(0x01);
}
/*************1302寫入一個字節*/
void w_1302byte(uchar date)
{
uchar i;
datbyte=date;
for(i=0;i<8;i++)
{
T_CLK=0; _nop_();
T_IO=datbyte0;
T_CLK=1; _nop_();
datbyte>>=1;
}
}
/************1302讀取一個字節********/
uchar r_1302byte(void)
{
uchar i;
datbyte=0;
for(i=0;i<8;i++)
{
T_CLK=1; _nop_();
datbyte7=T_IO;
_nop_();
T_CLK=0; _nop_();
datbyte>>=1;
}
return(datbyte);
}
/**********1302寫數據**********/
void write_1302(uchar addr,uchar date)
{
T_RST=0;
_nop_();
T_CLK=0; _nop_();
T_RST=1;_nop_();
w_1302byte(addr);
w_1302byte(date);
T_CLK=1; _nop_();
T_RST=0; _nop_();
}
/******1302讀取一個字節*******/
uchar read_1302(uchar addr)
{
uchar dat1,dat2,temp;
T_RST=0; _nop_();
T_CLK=0; _nop_(); ///sclk為低時rst才能拉高
T_RST=1;_nop_();
w_1302byte(addr);
temp=r_1302byte();
T_RST=0; _nop_();
T_CLK=1; _nop_();
T_IO=0;
_nop_();
T_IO=1;
_nop_();
//dat1=temp/16;
//dat2=temp%16;
//temp=dat1*10+dat2;
return(temp);
}
/***********1302初始化********/
void init_1302(void)
{
uchar i;
uchar addr=0x80;
write_1302(0x8e,0x00);
for(i=0;i<7;i++)
{
write_1302(addr,time);
addr+=2;
}
write_1302(0x8e,0x80);
}
/*******1302的八個數據讀取*******/
void get_1302(void)
{
uchar i,addr=0x81;
for(i=0;i<7;i++)
{
time=read_1302(addr);
addr+=2;
}
}
void display()
{
int n;
writeorder(0x80+0X40);
writedate('0'+time[2]/16);
writedate('0'+(time[2]&0x0f));
writedate('-');
writedate('0'+time[1]/16);
writedate('0'+(time[1]&0x0f));
writedate('-');
writedate('0'+time[0]/16);
writedate('0'+(time[0]&0x0f));
writeorder(0x80);
writedate('2');
writedate('0');
writedate('0'+time[6]/16);
writedate('0'+(time[6]&0x0f));
writedate('-');
writedate('0'+time[4]/16);
writedate('0'+(time[4]&0x0f));
writedate('-');
writedate('0'+time[3]/16);
writedate('0'+(time[3]&0x0f));
writeorder(0x8c);
for(n=0;n<3;n++) //星期顯示函數
{
writedate(week[(3*(time[5]&0x07)-3)+n]);
}
}
void main()
{
lcdinit();
init_1302();
while(1)
{
//readtime();
get_1302();
display();
}
} |
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