51单片机单系统电梯程序与Proteus仿真图设计 -

#include <REG51.H>
#include <INTRINS.H>
unsigned char ucMotorDrvPuls;
unsigned char FORREV=1;
unsigned char STOPCUR=0;
unsigned char CURFLR=1;
unsigned char count=0;
#define UCTIMES 8
#define OUTPUT P2
#define COUNT 8
sbit UP1=P3^4;
sbit DOWN2=P3^3;
sbit UP2=P3^2;
sbit DOWN3=P3^1;
sbit UP3=P3^0;
sbit DOWN4=P1^7;
sbit FLOOR1=P1^0;
sbit FLOOR2=P1^1;
sbit FLOOR3=P1^2;
sbit FLOOR4=P1^3;
sbit START=P1^4;
sbit STOP=P1^5;
sbit ALARM=P1^6;
sbit alarmBit=P0^4;
sbit upLight=P0^5;
sbit downLight=P0^6;
void time(unsigned int ucMs);
void outPress();
unsigned char inPress();
unsigned char elevator();
void storeUP(unsigned char);
void storeDOWN(unsigned char);
void time (unsigned int ucMs);
void initLights(void);
void setFloor(int floor);
void setUpLight();
void setDownLight();
void setStopLight();
void setAlarmLight();
void setAlarmLight();
void offAlarmLight();
int alarmSwitch=1;
unsigned char UP_req[5]={0,0,0,0,0};
unsigned char DOWN_req[5]={0,0,0,0,0};
void position(void)
{
OUTPUT=0x01|(P2&0xf0);time(200);
OUTPUT=0x02|(P2&0xf0);time(200);
OUTPUT=0x04|(P2&0xf0);time(200);
OUTPUT=0x08|(P2&0xf0);time(200);
ucMotorDrvPuls=0x11;
OUTPUT=0x01|(P2&0xf0);
}
void main(void)
{
time(100);
initLights();
position();
ucMotorDrvPuls=0x11;
OUTPUT=0x00|(P2&0xf0);
setFloor(CURFLR);
setUpLight();
time(100);
while(1)// 主循环
{
outPress();//按下电梯外按钮
while(STOPCUR==1)
{
outPress();
inPress();
}
if(inPress()) //按下电梯内楼层按钮
{
while(START) //等待启动按键按下
{
outPress();
inPress();
}
}
while(1) //电机运转循环
{
if(UP_req[1]==0&&UP_req[2]==0&&UP_req[3]==0&&
DOWN_req[2]==0&&DOWN_req[3]==0&&DOWN_req[4]==0)
{
break;
}
if(FORREV) //上
{
setUpLight(); //上行灯亮
if(STOPCUR==1){break;}
if(elevator()) //往上到达某一层
{
if(CURFLR==4) {setDownLight();break;} //到达四层
}
OUTPUT=(ucMotorDrvPuls&0x0f)|(P2&0xf0);
ucMotorDrvPuls=_crol_(ucMotorDrvPuls,1);
}
if(!FORREV) //下
{
setDownLight(); //下行灯亮
if(STOPCUR==1){break;}
if(elevator()) //往下到达某一层
{
if(CURFLR==1){setUpLight();break;}//到达一楼
}
OUTPUT=(ucMotorDrvPuls&0x0f)|(P2&0xf0);
ucMotorDrvPuls=_cror_(ucMotorDrvPuls,1);
}
outPress(); //按下电梯外按钮
//if(inPress()) //按下电梯内楼层按钮
//{
//while(START) //等待启动按键按下
//{
// outPress（）；
inPress(); //电梯运行时，内部按钮按下，无需按启动按钮
//}
//}
time(380-UCTIMES*16);
} //end while-电机运转循环
OUTPUT=0x00|(P2&0xf0); //电机停止
}//end while-主循环
}
//按下电梯外按钮
void outPress()
{
//FORREV=1;
if(!UP1) //1楼上
{
storeUP(1);
if(CURFLR>1&&STOPCUR==1)
{
FORREV=0; //向下运行
STOPCUR=0;
}
if(CURFLR==1)
{
STOPCUR=1;//电梯停留在当前层
}
}
if(!UP2) //2楼上
{
storeUP(2);
if(CURFLR>2&&STOPCUR==1) //电梯在二楼以上
{
FORREV=0;
STOPCUR=0;
}
if(CURFLR<2&&STOPCUR==1)
{
FORREV=1;
STOPCUR=0;
}
if(CURFLR==2)
{
STOPCUR=1;
}
}
if(!UP3) //3楼上
{
storeUP(3);
if(CURFLR>3&&STOPCUR==1) //电梯在三楼以上
{
FORREV=0;
STOPCUR=0;
}
if(CURFLR<3&&STOPCUR==1)
{
FORREV=1;
STOPCUR=0;
}
if(CURFLR==3)
{
STOPCUR=1;
}
}
if(!DOWN2) //2楼下
{
storeDOWN(2);
if(CURFLR>2&&STOPCUR==1)//电梯在二楼以上
{
FORREV=0;
STOPCUR=0;
}
if(CURFLR<2&&STOPCUR==1)
{
FORREV=1;
STOPCUR=0;
}
if(CURFLR==2)
{
STOPCUR=1;
}
}
if(!DOWN3)//3楼下
{
storeDOWN(3);
if(CURFLR>3&&STOPCUR==1)//电梯在三楼以上
{
FORREV=0;
STOPCUR=0;
}
if(CURFLR<3&&STOPCUR==1)
{
FORREV=1;
STOPCUR=0;
}
if(CURFLR==3)
{
STOPCUR=1;
}
}
if(!DOWN4)//4楼下
{
storeDOWN(4);
if(CURFLR<4&&STOPCUR==1)
{
FORREV=1;
STOPCUR=0;
}
if(CURFLR==4)
{
STOPCUR=1;
}
}
}
//按下电梯内楼层按钮
unsigned char inPress()
{
int i;
int flag=0;
if(!FLOOR1)
{
if(1<CURFLR)
{
STOPCUR=0;
UP_req[1]=1;
}
if(1==CURFLR)
{
STOPCUR=1;
}
return 1;
}
if(!FLOOR2)
{
if(2>CURFLR)//请求层大于当前层
{
UP_req[2]=1;
STOPCUR=0;
}
if(2<CURFLR)
{
DOWN_req[2]=1;
STOPCUR=0;
}
if(2==CURFLR)
{
STOPCUR=1;
}
return 1;
}
if(!FLOOR3)
{
if(3>CURFLR)//请求层大于当前层
{
UP_req[3]=1;
STOPCUR=0;
}
if(3<CURFLR)
{
DOWN_req[3]=1;
STOPCUR=0;
}
if(3==CURFLR)
{
STOPCUR=1;
}
return 1;
}
if(!FLOOR4)
{
if(4>CURFLR)
{
DOWN_req[4]=1;
STOPCUR=0;
}
if(4==CURFLR)
{
STOPCUR=1;
}
return 1;
}
if(!START)
{
STOPCUR=0;
return 1;
}
if(!STOP)//紧急停止
{
while(START)//不响应其他按钮
{
//亮灯
setStopLight();
}
return 1;
}
if(!ALARM)
{
//while(START)
//{
//亮灯
setAlarmLight();
//time(800);
//灯灭
//offAlarmLight（）；
//}
return 1;
}
if(FORREV==1)
{
//请求上行而进去电梯内选择的是下层
for(i=CURFLR+1;i<4;i++)
{
if(UP_req[i]==1||DOWN_req[i]==1){flag=1;}
}
if(flag==0)//上层没有请求
{
FORREV=0;
}
}
if(FORREV==0)
{
//请求下行而进去电梯内选择的是上层
for(i=CURFLR-1;i>=1;i--)
{
if(UP_req[i]==1||DOWN_req[i]==1){flag=1;}
}
if(flag==0)//
{
FORREV=1;
}
}
return 0;
}
unsigned char elevator()
{
count++;
if (count==COUNT)
{
if(FORREV==1)
{
CURFLR++;
setUpLight();//上行灯亮
if(CURFLR==2)//到达二楼
{
count=0;
setFloor(2);//显示数字
if(UP_req[2]==1)//二楼有上行请求，优先处理
{
setUpLight();
UP_req[2]=0;
OUTPUT=0x00|(P2&0xf0);//电机停止
STOPCUR=1;
return 1;
}
if(DOWN_req[2]==1&&UP_req[3]==0&&DOWN_req[3]==0
&&DOWN_req[4]==0)//二楼有下请求，上面两层没有请求，不再往上
{
setDownLight();
DOWN_req[2]=0;
STOPCUR=1;
OUTPUT=0x00|(P2&0xf0);//电机停止
FORREV=0;
return 1;
}
}
if(CURFLR==3)//到达三楼
{
setFloor(3);//显示数字
count=0;
if(UP_req[3]==1)//三楼有上行请求，优先处理
{
setUpLight();
UP_req[3]=0;
OUTPUT=0x00|(P2&0xf0);//电机停止
STOPCUR=1;
return 1;
}
if(DOWN_req[3]==1&&UP_req[4]==0)//三楼有下请求，四楼没有请求，不再往上
{
setDownLight();
FORREV=0;
DOWN_req[3]=0;
STOPCUR=1;
OUTPUT=0x00|(P2&0xf0);//电机停止
return 1;
}
}
if(CURFLR==4)//到达四楼
{
setFloor(4);//显示数字
setDownLight();
count=0;
if(DOWN_req[4]==1)//四楼有上行请求，四楼的请求只用向下的情况
{
DOWN_req[4]=0;
FORREV=0;
OUTPUT=0x00|(P2&0xf0);//电机停止
STOPCUR=1;
}
}
}
else//判断下行是否到达请求层，下行请求优先处理
{
CURFLR--;
setDownLight();//下行灯亮
if(CURFLR==1)//到达一楼
{
setFloor(1);//显示数字
count=0;
if(UP_req[1]==1)//一楼没有请求，一楼的请求只有向上的情况
{
setUpLight();
UP_req[1]=0;
FORREV=1;
OUTPUT=0x00|(P2&0xf0);//电机停止
STOPCUR=1;
}
}
if(CURFLR==2)//到达二楼
{
setFloor(2);//显示数字
count=0;
if(DOWN_req[2]==1)//二楼有下行请求，优先处理
{
setDownLight();
DOWN_req[2]=0;
OUTPUT=0x00|(P2&0xf0);//电机停止
STOPCUR=1;
return 1;
}
if(UP_req[2]==1&&UP_req[1]==0)//一楼无请求，不再往下
{
setUpLight();
FORREV=1;
UP_req[2]=0;
STOPCUR=1;
OUTPUT=0x00|(P2&0xf0);//电机停止
}
}
if(CURFLR==3)//到达三楼
{
setFloor(3);//显示数字
count=0;
if(DOWN_req[3]==1)//三楼有下行请求，优先处理
{
setDownLight();
DOWN_req[3]=0;
OUTPUT=0x00|(P2&0xf0);//电机停止
STOPCUR=1;
return 1;
}
if(UP_req[1]==0&&DOWN_req[2]==0&&UP_req[2]==0&&UP_req[3]==1)
{
setUpLight();
FORREV=1;
UP_req[3]=0;
STOPCUR=1;
OUTPUT=0x00|(P2&0xf0);//电机停止
}
}
}//end if-FORREV
return 1;
}
else
{
return 0;
}//end if-count
}
void storeUP(unsigned char x)
{
UP_req[x]=1;
}
void storeDOWN(unsigned char x)
{
DOWN_req[x]=1;
}
void initLights()
{
P0=0x11;
}
//设置楼层显示
void setFloor(int floor)
{
switch(floor)
{
case 1:
{
P0&=0xf0;//清零
P0|=0x01;break;
}
case 2:
{
P0&=0xf0;//清零
P0|=0x02;break;
}
case 3:
{
P0&=0xf0;//清零
P0|=0x03;break;
}
case 4:
{
P0&=0xf0;//清零
P0|=0x04;break;
}
default:
{
P0=0x06;break;
}
}
}
//设置电梯向上运行灯
void setUpLight()
{
upLight=1;
downLight=0;
}
//设置电梯向下运行灯
void setDownLight()
{
upLight=0;
downLight=1;
}
//设置电梯停止运行灯
void setStopLight()
{
upLight=0;
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