PIC16F1826定时器实现呼吸灯效果主程序 -

标题: PIC16F1826定时器实现呼吸灯效果主程序 [打印本页]

作者: jhonyzhang 时间: 2020-9-5 17:41
标题: PIC16F1826定时器实现呼吸灯效果主程序
本帖最后由 jhonyzhang 于 2020-9-8 16:37 编辑

void main(void)
{
TMR0IF=0;//清除TMR0中断标志位
TMR0=255;//设置中断初始值255
unsigned int k = 1;
unsigned int TIMER0 = 0,TIMER1 = 0,TIMER2 = 0;
unsigned char Flag_1 = 1； unsigned char Flag_2 = 0；
unsigned char Flag_3 = 0；
Pin_Init()
   Light4 = 0;
while(1)
{
      if( (TMR0IF == 1) && (Flag_1 ==1) )          //开启定时器溢出中断
      {
         TIMER0 ++;             //计数器+1
         TMR0IF = 0;          //定时器溢出标志位清零
         TMR0 = 255;
      }
      if( TIMER0 == k )          //如果计数器的值等于设定的值
      {
         Light4 = 1;          //灯灭
      }
      if( TIMER0 == 100 )       //计数器加到10
      {
         Light4 = 0;          //灯亮
         TIMER0 = 0;
         k++;                //设定值逐渐变大
      }
      if( k == 99 )
      {
         Light4 = 0;
         k =1;
         Flag_2 = 1;
         Flag_1 = 0;
      }
      if( (TMR0IF == 1) && (Flag_2 ==1) )          //开启定时器溢出中断
      {
         TIMER1 ++;             //计数器+1
         TMR0IF = 0;          //定时器溢出标志位清零
         TMR0 = 255;
      }
      if( TIMER1 == 23380)（中间灯亮停留2s）
      {
         Light4 = 1;
         TIMER1 = 0;
         Flag_3 = 1;
         Flag_2 = 0;
      }
      if( (TMR0IF == 1) && (Flag_3 ==1) )          //开启定时器溢出中断
      {
         TIMER2 ++;             //计数器+1
         TMR0IF = 0;          //定时器溢出标志位清零
         TMR0 = 255;
      }
      if( TIMER2 == k )          //如果计数器的值等于设定的值
      {
         Light4 = 0;          //灯亮
      }
      if( TIMER2 == 100 )       //计数器加到100
      {
         Light4 = 1;          //灯灭
         TIMER2 = 0;
         k++;                //设定值逐渐变大
      }
      if( k == 99 )
      {
         Light4 = 0;
         k =1;
         Flag_1 = 1;
         Flag_3 = 0;
      }
}
}

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