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標題: PIC16F1826定時器實現(xiàn)呼吸燈效果主程序 [打印本頁]

作者: jhonyzhang 時間: 2020-9-5 17:41
標題: PIC16F1826定時器實現(xiàn)呼吸燈效果主程序
本帖最后由 jhonyzhang 于 2020-9-8 16:37 編輯

void main(void)
{
TMR0IF=0;//清除TMR0中斷標志位
TMR0=255;//設(shè)置中斷初始值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) )          //開啟定時器溢出中斷
      {
         TIMER0 ++;             //計數(shù)器+1
         TMR0IF = 0;          //定時器溢出標志位清零
         TMR0 = 255;
      }
      if( TIMER0 == k )          //如果計數(shù)器的值等于設(shè)定的值
      {
         Light4 = 1;          //燈滅
      }
      if( TIMER0 == 100 )       //計數(shù)器加到10
      {
         Light4 = 0;          //燈亮
         TIMER0 = 0;
         k++;                //設(shè)定值逐漸變大
      }
      if( k == 99 )
      {
         Light4 = 0;
         k =1;
         Flag_2 = 1;
         Flag_1 = 0;
      }
      if( (TMR0IF == 1) && (Flag_2 ==1) )          //開啟定時器溢出中斷
      {
         TIMER1 ++;             //計數(shù)器+1
         TMR0IF = 0;          //定時器溢出標志位清零
         TMR0 = 255;
      }
      if( TIMER1 == 23380)（中間燈亮停留2s）
      {
         Light4 = 1;
         TIMER1 = 0;
         Flag_3 = 1;
         Flag_2 = 0;
      }
      if( (TMR0IF == 1) && (Flag_3 ==1) )          //開啟定時器溢出中斷
      {
         TIMER2 ++;             //計數(shù)器+1
         TMR0IF = 0;          //定時器溢出標志位清零
         TMR0 = 255;
      }
      if( TIMER2 == k )          //如果計數(shù)器的值等于設(shè)定的值
      {
         Light4 = 0;          //燈亮
      }
      if( TIMER2 == 100 )       //計數(shù)器加到100
      {
         Light4 = 1;          //燈滅
         TIMER2 = 0;
         k++;                //設(shè)定值逐漸變大
      }
      if( k == 99 )
      {
         Light4 = 0;
         k =1;
         Flag_1 = 1;
         Flag_3 = 0;
      }
}
}

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