本帖最后由 朝朝1 于 2021-1-26 16:15 编辑
#include<reg52.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define LCD_data P0
sbit LCD_RS=P1^0;
sbit LCD_RW=P1^1;
sbit LCD_EN=P2^5;
sbit LCD_PSB=P1^3;
sbit dula=P2^0;
sbit wela=P2^1;
sbit cs88=P2^2;
sbit key=P3^4;
void delayms(unsigned int xms)
{
unsigned i,j;
for(i=xms;i>0;i--)
for(j=110;j>0;j--);
}
void cmg88()
{
dula=0;
P0=0x00;
dula=0;
cs88=0x00;
P0=0x00;
}
#define delayNOP();{_nop_();_nop_();_nop_();_nop_();};
uchar IRDIS[2] ;
uchar IRCOM[4] ;
void delay0 (uchar x); //x*0.14MS
void beep();
void dataconv() ;
void lcd_pos(uchar X,uchar Y);
void delay(int ms)
{
while (ms--)
{
uchar i;
for (i=0;i<250;i++)
{
_nop_();
_nop_();
_nop_();
_nop_();
}
}}
bit lcd_busy()
{
bit result ;
LCD_RS=0;
LCD_RW=1;
LCD_EN=1;
delayNOP();
result = (bit)(P0&0x80);
LCD_EN=0;
return (result) ;
}
void lcd_wcmd(uchar cmd)
{
while(lcd_busy()) ;
LCD_RS=0;
LCD_RW=0;
LCD_EN=0;
_nop_();
_nop_();
P0=cmd;
delayNOP ()
LCD_EN=1;
delayNOP ()
LCD_EN=0;
}
void lcd_wdat(uchar dat)
{
while(lcd_busy()) ;
LCD_RS=1;
LCD_RW = 0;
LCD_EN=0;
P0=dat;
delayNOP () ;
LCD_EN=1;
delayNOP ();
LCD_EN=0;
}
void charter(unsigned char y,unsigned char x,unsigned char dat)
{
if(y==1)
lcd_wcmd(0x80|x);
if(y==2)
lcd_wcmd(0x90|x);
if(y==3)
lcd_wcmd((0x80|x)+8);
if(y==4)
lcd_wcmd((0x90|x)+8);
lcd_wdat(dat);
}
void gotoxy(unsigned char y, unsigned char x,uchar *str)
{
if(y==1)
lcd_wcmd(0x80|x);
if(y==2)
lcd_wcmd(0x90|x);
if(y==3)
lcd_wcmd((0x80|x)+8);
if(y==4)
lcd_wcmd((0x90|x)+8);
while(*str!='\0')
{
lcd_wdat(*str);
str++;
}
}
/*
void print(uchar *str)
{
while(*str!='\0')
{
lcd_wdat(*str);
str++;
}
}
*/
void lcd_init()
{
LCD_PSB=1;
lcd_wcmd(0x34) ;
delay(5) ;
lcd_wcmd(0x30) ;
delay(5) ;
lcd_wcmd(0x0c) ;
delay(5) ;
lcd_wcmd(0x01) ;
delay(5) ;
}
main()
{
unsigned char i;
lcd_init();
while(1)
{
charter(1,0,'0'+3);
//lcd_wcmd(0x80+7);
//lcd_wdat('0'+i);
//delayms(5);
//if(key==0)
//{
//delayms(5);
// if(key==0)
// i=3;
// while(!key);
// }
gotoxy(3,0,"考研路上不孤单");
}
}
void Read_Busy()
{
uchar busy;
P0 = 0xff;
RS = 0;
RW = 1;
do
{
EN = 1;
busy = P0;
EN = 0;
}while(busy & 0x80);
}
//?LCD1602??????
void Write_Cmd(uchar cmd)
{
Read_Busy();//???
RS = 0;
RW = 0;
P0 = cmd;
EN = 1;
EN = 0;
}
//???????
void Write_Dat(uchar dat)
{
Read_Busy();
RS = 1;
RW = 0;
P0 = dat;
EN = 1;
EN = 0;
}
void charter(unsigned char x,unsigned char y,unsigned char dat)
{
if(y==0)
{
Write_Cmd(0x80+x);
}
else
{
Write_Cmd(0xc0+x);
}
Write_Dat( dat);
}
void LCD_Write_String(unsigned char x,unsigned char y,unsigned char *s)
{
if (y == 0)
{
Write_Cmd(0x80 + x);
}
else
{
Write_Cmd(0xC0 + x);
}
while (*s)
{
Write_Dat( *s);
s ++;
}
}
void lcdinit()
{
Write_Cmd(0x38);
Write_Cmd(0x08); /*????*/
Write_Cmd(0x01); /*????*/
Write_Cmd(0x06); /*????????*/
Write_Cmd(0x0C); /*????????*/
}
void Timer0Init(void) //50??@11.0592MHz
{
TMOD = 0x01; //???????
TH0=0xdc; //10ms??
TL0=0x00;
ET0=1;
EA=1;
TR0 = 0; //???0????
}
void beep()
{
unsigned char y;
for (y=0;y<180;y++)
{
BEEP=!BEEP; //BEEP??
delayms(70);
}
BEEP=1; //?????
}
void main()
{
unsigned char num,num1,u;
lcdinit();
Timer0Init();
LCD_Write_String(0,1,"time:");
LCD_Write_String(5,0,"welcome");
LCD_Write_String(5,1,"00:00:00:00");
while(1)
{
if(key==0)
{
delayms(50);
if(key==0)
num=num+1;
while(!key);
}
switch(num)
{
case 1:TR0=1;
LCD_Write_String(0,0,"begin count 1");
delayms(5);
break;
case 2:TR0=0;
LCD_Write_String(0,0,"pause count 2");
delayms(5);
break;
case 3:TR0=1;
LCD_Write_String(0,0,"begin count 3");
delayms(5);
break;
case 4:TR0=0;
LCD_Write_String(0,0,"pause count 4");
delayms(5);
break;
}
if(key1==0)
{
LCD_Write_String(5,1,"00:00:00:00");
}
}
}
void timer() interrupt 1
{
TH0=0xdc;
TL0=0x00;
a++;
charter(15,1,'0'+a);
if(a==10)
{
a=0;
b++;
x=b%10;
charter(14,1,'0'+x);
}
if(b==10)
{
b=0;
c++;
y=c%10;
charter(12,1,'0'+y);
}
if(c==10)
{
c=0;
d++;
z=d%10;
charter(11,1,'0'+z);
}
if(d==6)
{
d=0;
charter(11,1,'0'+0);
e++;
m=e%10;
charter(9,1,'0'+m);
}
if(e==10)
{
e=0;
f++;
n=f%10;
charter(8,1,'0'+n);
}
}
|
