#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
#define Enable();EA=1;
#define Disable();EA=0;
#define ZhengZhuan();PIN_Motor_A=0;PIN_Motor_B=1;
#define Stop();PIN_Motor_A=1;PIN_Motor_B=1;
#define FanZhuan();PIN_Motor_A=1;PIN_Motor_B=0;
sbit E=P2^7; //1602使能引脚
sbit RW=P2^6; //1602读写引脚
sbit RS=P2^5;//1602数据/命令选择引脚
sbit RELAY=P3^0;
int n;
n=100;
char *p1;
uchar flag;
uchar code tab1[]="Zhuangtai *p1"; //要显示什么就在这儿改
uchar code tab2[]="n=100cm"; //[size=15.5555562973022px]要显示什么就在这儿改
void delay(uint del) //延时1ms
{
uint i,j;
for(i=0;i<del;i++)
for(j=0;j<=168;j++);
}
void writecmd(uchar com) //写指令
{
E=0;
RS=0;
RW=0;
P0=com;
delay(2);
E=1;
delay(2);
E=0;
}
void writedata(uchar dat)//写数据
{
E=0;
RS=1;
RW=0;
P0=dat;
delay(2);
E=1;
delay(2);
E=0;
}
void init(void) //初始化
{
delay(15);
writecmd(0x38);
delay(5);
writecmd(0x38);
delay(5);
writecmd(0x38);
writecmd(0x38);
writecmd(0x08);
writecmd(0x01);
writecmd(0x06);
writecmd(0x0c);
}
void Display()
{
uchar j;
init();
writecmd(0x80); //告诉液晶在哪个地方显示 (设置地址指针)//80H+00
for(j=0;j<16;j++) //有16个字符,要循环16次
{
writedata(tab1[j]);
delay(2);
}
writecmd(0x80+0x40); //再设置第二行的起始位置80H+40H
for(j=0;j<16;j++) //有16个字符,要循环16次
{ writedata(tab2[j]);
delay(2);
}
while(1);
}
sbit s1 = P1^0;
sbit s2 = P1^1;
sbit s3 = P1^2;//按键定义,s1启动,s2加1,s3减1
sbit a = P2^0;sbit b = P2^1;sbit c = P2^2;sbit d = P2^3;//脉冲信号输入端定义
#define Coil_a {a=1;b=0;c=0;d=0;}//A相通电,其他相断电
#define Coil_b {a=0;b=1;c=0;d=0;}//B相通电,其他相断电
#define Coil_c {a=0;b=0;c=1;d=0;}//C相通电,其他相断电
#define Coil_d {a=0;b=0;c=0;d=1;}//D相通电,其他相断电
//================================定时器0/1初始化函数================================
void T0_T1_init()
{
TMOD = 0x11;//定时器0/1均工作于方式1,16位计时方式
TR1 = 0;
ET1= 1;//开定时器中断
EA = 1;//开总中断
}
//================================ms级延时函数=======================================
void delay1m(uint x)
{
uint i,j;
for(i=0;i<x;i++) //连数x次,约 x ms
for(j=0;j<120;j++); //数120 次,约1 ms
}
//=================按键函数=================================
void keyscan()
{
if(s1==0)
{
delay(5);
if(s1==0)
{
while(!s1);
flag=!flag;
}
else
{
while(!s1);
flag=0;
}
}
if(flag==0)
{
if(s2==0)
{
delay(5);
if(s2==0)
{
while(!s2);
n++;
if(n>199)n=199;
}
}
if(s3==0)
{
delay(5);
if(s3==0)
{
while(!s3);
n--;
if(n<=0)
n=0;
}
}
}
}
//================================主函数=============================================
void main()
{
uchar j;
Display();
while(1)
{
if(s1==0)
{
delay1m(3);
if(flag==1&&n>0)
{
for(j=0;j<n;j++)
{
a=1;
}
a=0;
delay(3);
RELAY=0;
delay(500);
RELAY=1;
}
}
}
}
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