tatimer.c

来自「采用430单片机完成的门禁控制器程序」· C语言 代码 · 共 56 行

//------------------------------------------------------------------------------
//TA中断服务程序
// Timer A0 interrupt service routine
//------------------------------------------------------------------------------
#pragma vector=TIMERA0_VECTOR
__interrupt void Timer_A (void)
{  
  clk_10ms--;
  clk_20ms--;
  clk_50ms--;
  clk_100ms--;
  clk_200ms--;
  earse_cnt++;
  if(clk_10ms==0)
  {
    clk_10ms=10;
    FLAG |=fb_10ms;
  }
  if(clk_20ms==0)
  {
    clk_20ms=20;
    FLAG |=fb_20ms;
  }
  if(clk_50ms==0)
  {
    clk_50ms=50;
    FLAG |=fb_50ms;
  }
  if(clk_100ms==0)
  {
    clk_100ms=100;
    FLAG |=fb_100ms;
    if(FLAG&gb_clock)
    {
      clk_20s--;
      if(clk_20s==0)
      {
        FLAG &=~gb_lock;
        FLAG &=~gb_clock;
      }
    }       
  }
  if(clk_200ms == 0)
  {
    clk_200ms=200;
    clk_1min--;
    P3OUT ^= BIT1;
    P6OUT ^= BIT0;
    if(clk_1min == 0)
    {
      FLAG2 |= gb_1min;
      clk_1min = 300;
    }    
  }
}