#include
#define uchar unsigned char
#define uint
#define DQ_IN DDRE &= ~(1 << PE6)
#define DQ_OUT DDRE |= (1 << PE6)
#define DQ_CLR PORTE &= ~(1 << PE6)
#define DQ_SET PORTE |= (1 << PE6)
#define DQ_R PINE & (1 << PE6)
#define psbset
#define psbset
#define psbclr
#define rsout
#define rsset
#define rsclr
#define rwout
#define rwset
#define rwclr
#define enout
#define enset
#define enclr
unsigned char table1[]=”
unsigned char table2[]=”星期六
unsigned char table3[]=”
unsigned char table4[]=”
uint num=10,fen=07,shi=14,ri=06,yue=02;;
void mcu_init(void);
void timer1_init(void)
{
}
void Delayus(uint US)
{
}
void Delayms(uint MS)
{
}
void write_12864com(uchar com)
{
rwclr;
rsclr;
Delayus(500);
PORTA=com;
enset;
Delayus(1000);
enclr;
Delayus(1000);
}
void write_12864dat(uchar dat)
{
rwclr;
rsset;
Delayus(500);
PORTA=dat;
enset;
Delayus(1000);
enclr;
Delayus(1000);
}
void init12864lcd(void)
{
Delayms(500);
write_12864com(0x30);
Delayus(500);
write_12864com(0x30);
Delayus(500);
write_12864com(0x0f);
Delayus(500);
write_12864com(0x01);
Delayms(25);
write_12864com(0x06);
Delayus(2500);
write_12864com(0x0c);
Delayus(500);
}
void display(void)
{
uchar i;
write_12864com(0x80);
for(i=0;i<16;i++)
{
write_12864dat(table1[i]);
Delayms(10);
}
}
void display1(void)
{
uchar i;
write_12864com(0x90);
for(i=0;i<16;i++)
{
write_12864dat(table2[i]);
Delayms(10);
}
}
void display2(void)
{
uchar i;
write_12864com(0x88);
for(i=0;i<12;i++)
{
write_12864dat(table3[i]);
Delayms(10);
}
}
void display3(void)
{
uchar i;
write_12864com(0x98);
for(i=0;i<14;i++)
{
write_12864dat(table4[i]);
Delayms(10);
}
}
void write_sfm(uchar add,uchar date)
{
uchar shi,ge;
shi=date/10;
ge=date;
write_12864com(add);
write_12864dat(0x30+shi);
write_12864dat(0x30+ge);
}
void write_wendu(uchar add,uchar date)
{
uchar shi,ge;
shi=date/10;
ge=date;
write_12864com(add);
write_12864dat(0x30+shi);
write_12864dat(0x30+ge);
}
unsigned char ds1820_reset(void)
{
unsigned char i;
DQ_OUT;
DQ_CLR;
Delayus(500);
DQ_SET;
DQ_IN;
Delayus(100);
i = DQ_R;
Delayus(500);
return i;
}
unsigned char ds1820_read_byte(void)
{
unsigned char i;
unsigned char value = 0;
for (i = 0; i < 8; i++)
{
value >>= 1;
DQ_OUT;
DQ_CLR;
Delayus(10);
DQ_SET;
DQ_IN;
if (DQ_R) value|=0x80;
Delayus(60);
}
return value;
}
void ds1820_write_byte(unsigned char value)
{
unsigned char i;
for (i = 0; i < 8; i++)
{
DQ_OUT;
DQ_CLR;
Delayus(10);
if (value & 0x01) DQ_SET;
Delayus(100);
DQ_SET;
value >>= 1;
}
}
void main(void)
{
uchar i,j;
uint temp;
mcu_init();
init12864lcd();
timer1_init();
SEI();
display();
display1();
display2();
display3();
while(1)
{
write_sfm(0x8B,fen);
write_sfm(0x89,shi);
write_sfm(0x86,ri);
write_sfm(0x84,yue);
ds1820_reset();
ds1820_write_byte(0xCC);
ds1820_write_byte(0x44);
Delayms(2);
ds1820_reset();
ds1820_write_byte(0xCC);
ds1820_write_byte(0xbe);
i=ds1820_read_byte();
j=ds1820_read_byte();
temp=j*256+i;
temp=temp*0.0625;
write_wendu(0x96,temp);
}
}
void mcu_init(void)
{
}
#pragma interrupt_handler timer1_ovf_isr:15
void timer1_ovf_isr(void)
{
TCNT1H = 0xE1;
if(num==60)
{
fen++;
if(fen==60)
{
shi++;
if(shi==24)
{
ri++;
if(ri==32)
{
}
}
}
}
}
声明：本文内容来自网络转载或用户投稿，文章版权归原作者和原出处所有。文中观点，不代表本站立场。若有侵权请联系本站删除（kf@86ic.com）https://www.86ic.net/dianyuan/kaiguan/262339.html
