一个呼吸灯的程序。编译不抱错，但是硬件实现不了，请问错那里了

ti

本帖最后由明天同学于 2016-10-11 15:42 编辑

#include
#define uchar unsigned char
uchar code table[]={10,20,30,40,50,60,70,80,90,80,70,60,50,40,30,20,10};
uchar count,num;
***it pwm = P2^1; //P2^1控制LED小灯
void init ()； //初始化函数
void control_pwm(); //控制PWM占空比的函数
void main()
{  while(1)
  {
      num = 0;
      init();
      control_pwm();
  }
}
void init ()//
{
      TMOD = 0x01;
      TH0 = (65536-10)/256;
      TL0 = (65536-10)%256;  //10us定时器溢出中断一次
      EA = 1;
      ET0 = 1;
      TR0 = 1;
}
void control_pwm ()
            while(1)
            {
                     if(count>=99)num++ ; //
                     if(count == table[num])  pwm = 1; //mun逐次加一，让数组里的数依次于count判断是否相等，如num=1,table[num]=10,那么占空比就是10
                     else pwm = 0;
                     if(num == 17) num = 0 ; //数组一共17个数，读完17个数，重头再来循环
      }
}
void time_T0 () interrupt 1
{
      TH0 = (65536-10)/256;
      TL0 = (65536-10)%256;
      count++;
      if(count==100) count = 0;  //10us*100=1ms中断一百次，一个周期，目的是控制PWM频率
}