#define uchar unsigned char
char KeyValueOld; //内部按键上次值
char KeyValueOOld; //外部按键上次值
char NowFloor; //当前所在楼层
char KeyValue; //电梯内部按键暂存值
char KeyValueO; //电梯外部按键暂存值
char KeyValueX;
char t; //电梯 运行/停止标/上升/下降 志位 t=0电梯没有运行 t=11电梯在上升 t=10电梯下降
char temp1;
char temp2;
uchar code play[]={0xff,0x9f,0x25,0x0d,0x99,0x49,0x40};//{0xff,0xd7,0x32,0x92,0xd4,0x98,0x18};; //串口显示字型码
unsigned int TimeValue; // 定时器计数
char Num;
void delay(unsigned int a)
{
// unsigned int i;
TH0=(65535-10000)/256;
TL0=(65535-10000)%256;
TimeValue=0;
TR0=1;
while(TimeValue<a)
{
DianTiKey(); //多人电梯功能添加部分
}
TR0=0;
}
void DianTiKey() //内部电梯按键扫描函数
{
if(t==11)
{
switch(~P0)
{
case 0x01:KeyValue=1;break;
case 0x02:KeyValue=2;break;
case 0x04:KeyValue=3;break;
case 0x08:KeyValue=4;break;
case 0x10:KeyValue=5;break;
case 0x20:KeyValue=6;break;
case 0x40:break;
case 0x80:break;
}
}
else if(t==0)
{
switch(~P0)
{
case 0x01:KeyValue=1;break;//if((KeyValueX>NowFloor)&&(KeyValueX<KeyValue)){KeyValue=KeyValueX;};
case 0x02:KeyValue=2;break;
case 0x04:KeyValue=3;break;
case 0x08:KeyValue=4;break;
case 0x10:KeyValue=5;break;
case 0x20:KeyValue=6;break;
case 0x40:break;
case 0x80:break;
}
}
}
void OutKey() //外部电梯按键扫描函数
{
if(t==0)
{
switch(~P2) //上升按键扫描
{
case 0x01:KeyValueO=1;break;//1楼呼叫上升
case 0x02:KeyValueO=2;break;//2楼呼叫上升
case 0x08:KeyValueO=3;break;//3楼呼叫上升
case 0x20:KeyValueO=4;break;//4楼呼叫上升
case 0x80:KeyValueO=5;break;//5楼呼叫上升
case 0x04:KeyValueO=2;break;//2楼呼叫下降
case 0x10:KeyValueO=3;break;//3楼呼叫下降
case 0x40:KeyValueO=4;break;//4楼呼叫下降
}
switch(~P1&0x03)
{
case 0x01:KeyValueO=5;break;//5楼呼叫下降
case 0x02:KeyValueO=6;break;//6楼呼叫下降
}
}
if(t==11)
{
switch(~P2) //上升按键扫描
{
case 0x01:KeyValueX=1;if((KeyValueX>NowFloor)&&(KeyValueX<KeyValue)){KeyValueO=KeyValueX;};break;//1楼呼叫上升 //if((KeyValueX>NowFloor)&&(KeyValueX<KeyValue)){KeyValue=KeyValueX;};
case 0x02:KeyValueX=2;if((KeyValueX>NowFloor)&&(KeyValueX<KeyValue)){KeyValueO=KeyValueX;};break;//2楼呼叫上升
case 0x08:KeyValueX=3;if((KeyValueX>NowFloor)&&(KeyValueX<KeyValue)){KeyValueO=KeyValueX;};break;//3楼呼叫上升
case 0x20:KeyValueX=4;if((KeyValueX>NowFloor)&&(KeyValueX<KeyValue)){KeyValueO=KeyValueX;};break;//4楼呼叫上升
case 0x80:KeyValueX=5;if((KeyValueX>NowFloor)&&(KeyValueX<KeyValue)){KeyValueO=KeyValueX;};break;//5楼呼叫上升
}
}
if(t==10)
{
switch(~P2) //上升按键扫描
{
case 0x04:KeyValueO=2;break;//2楼呼叫下降
case 0x10:KeyValueO=3;break;//3楼呼叫下降
case 0x40:KeyValueO=4;break;//4楼呼叫下降
}
switch(~P1&0x03)
{
case 0x01:KeyValueO=5;break;//5楼呼叫下降
case 0x02:KeyValueO=6;break;//6楼呼叫下降
}
}
}
void Xiangying()
{
if(KeyValue!=KeyValueOld) //内部状态判断
{
temp1=KeyValue-NowFloor;