内容发布更新时间 : 2025/11/4 21:18:59星期一 下面是文章的全部内容请认真阅读。
uchar a[]={0x10,0x20,0x40,0x80}; uchar b[]={0x80,0x40,0x20,0x10}; uchar x=0,T,tempL,tempH; void delay(uint i) {
while(i--); }
void bell(void) { uchar i;
for(i=0;i<50;i++) {
bel=0;
delay(10000); bel=1;
delay(10000); } }
void zj(uchar zj) { uint i,j; D2=1;
for(j=0;j   P0=a[i];   delay(800);   }    D2=0;   }  void fj(uchar fj) { uint i,j;   D3=1;  for(j=0;j   P0=b[i];    delay(800);   }    D3=0;   }  void aj(void) {     if(k1==0)      {delay(M);        if(k1==0)x=3;      }     if(k2==0)      {        delay(M);    if(k2==0)x=6;      }   if(k3==0)  {   delay(M);  if(k3==0)x=9;  }   if(k4==0)                   {  delay(M);  if(k4==0)x=12; }  if(k5==0) {  delay(M);  if(k5==0)x=15; }  if(k6==0) {  delay(M);  if(k6==0)x=18; }  if(k7==0) {  delay(M);              if(k7==0)x=21; }  if(k8==0) {  delay(M);  if(k8==0)x=24; }  if(k9==0) {  delay(M);  if(k9==0)x=27;   } }  void motorstart(void) {     if(k10==0)    {     delay(M);     if(k10==0)P0=0x0f;    }     if(k11==1&&k12==0&&k10==1)    {     delay(M);     if(k11==1&&k12==0&&k10==1)zj(x);    }     if(k11==0&&k12==1&&k10==1)    {     delay(M);     if(k10==1&&k11==0&&k12==1)fj(x);    }  }  void ds18b20init(void) {   uchar ds=0;  DQ=1;   delay(8);   DQ=0;   delay(80);    DQ=1;    delay(5);   ds=DQ;   delay(20);  }  void WriteOneChar(uchar dat)  {     uchar i=0;    for(i=8;i>0;i--)    {     DQ=0;      DQ=dat&0x01;     delay(5);     DQ=1;     dat>>=1;   }     delay(4); }  uchar ReadOneChar(void)   {  unsigned char i=0;  unsigned char dat=0;  for (i=8;i>0;i--)  {   DQ=1;   delay(1);   DQ=0;  dat>>=1;   DQ=1;   if(DQ)    dat|=0x80;   delay(4); }   return(dat); }  void ReadTemperature(void)  {    ds18b20init();    WriteOneChar(0xcc);   WriteOneChar(0x44);  delay(125);  ds18b20init();    WriteOneChar(0xcc);   WriteOneChar(0xbe);   tempL=ReadOneChar();   tempH=ReadOneChar();  }     void worktemp(void)   {    T=((tempL&0xf0)>>4)+((tempH&0x07)<<4);   }  void main() { T=0;    P1=0XFF;   P0=0X0F;   P2=0X00;  while(1)   {    ds18b20init();   WriteOneChar(0XCC);   WriteOneChar(0X44);   ReadTemperature();   worktemp();   aj();     if(T<50)   {   D1=0;  bel=1;  motorstart();  }    if(T>=50)      {   P0=0;  D1=1;  bell();   delay(1000);