利用定时器 1和定时器0控制led1和led2分别 2hz和0.5hz闪烁

 //利用定时器 1和定时器0控制led1和led2分别 2hz和0.5hz闪烁

 #include<reg52.h>
 #define uchar unsigned char
 #define uint unsigned int
 sbit led1=P1^;
 sbit led2=P1^;
 uchar count0,count1;

 void delay(uint x)
 {
   uchar i;
   while(x--)
   {
     for(i=;i<;i++);
   }
 }

 void init()
 {
  TMOD = 0x10; //定时器1 0
  EA=;
  ET0=;
  TR0=;
  TH0=0x4b;
  TL0=0xfd;     //50ms
  ET1=;
  TR1=;
  TH1=0x4b;
  TL1=0xfd;
 }

 void main()
 {
   init();
   while()
   {
     led1=led2=;

  }

 }
 void Timer0() interrupt  //定时器0
 {
   TH0=0x4b;
   TL0=0xfd;
   count0++;
   if(count0==)//如果是500ms(2hz)
   {
     count0=;
      led1=;
        delay();
   }

 }

 void Timer1() interrupt  //定时器1
 {
   TH1=0x4b;
   TL1=0xfd;
   count1++;
   if(count1==)//如果是2000ms
   {
     count1=;
      led2=;
        delay();
   }

 }

 //利用定时器 1和定时器0控制led1和led2分别 2hz和0.5hz闪烁
 //利用定时器0 1s，led1取反,利用计数器1,(65535-10)%256,取反
 #include<reg52.h>
 #define uchar unsigned char
 #define uint unsigned int
 sbit led1=P1^;
 sbit led2=P1^;
 uchar count0,count1;

 void delay(uint x)
 {
   uchar i;
   while(x--)
   {
     for(i=;i<;i++);
   }
 }

 void init()
 {
  TMOD = 0x10; //定时器1 0
  EA=;
  ET0=;
  TR0=;
  TH0=0x4b;
  TL0=0xfd;     //50ms
  ET1=;
  TR1=;
  TH1=0x4b;
  TL1=0xfd;
 }

 void main()
 {
   init();
   while()
   {
     led1=led2=;

  }

 }
 void Timer0() interrupt  //定时器0
 {
   TH0=0x4b;
   TL0=0xfd;
   count0++;
   if(count0==)//如果是500ms(2hz)
   {
     count0=;
      led1=;
        delay();
   }

 }

 void Timer1() interrupt  //定时器1
 {
   TH1=0x4b;
   TL1=0xfd;
   count1++;
   if(count1==)//如果是2000ms
   {
     count1=;
      led2=;
        delay();
   }

 }