九齊單片機(jī)輸出呼吸燈程序

ID:1125252 · 發(fā)表于 2024-6-19 17:25

#define LED1  PA0
unsigned char compare,count;

void Timer0_Init(void)
{
//1ms
//TMRH = 0X30;
TMR0 = 160;                               //向上計(jì)數(shù) 8M 2T 4分頻
T0MD = C_PS0_TMR0 | C_PS0_Div2;    //
INTE = C_INT_TMR0;

}
void isr(void) __interrupt(0)
{
if(INTFbits.T0IF)
{
      count++;
      count %= 100;
      if(count<compare)
      {
         LED1=1;
      }
      else
      {
         LED1=0;
      }
      INTF= (unsigned char)~(C_INT_TMR0); // Clear T0IF flag bit
}
}
void main()
{
   while(1)
   {
         for(int i =0;i<100;i++)
         {
               compare=i;
         }
         for(int i=100;i>=0;i--)
         {
               compare=i;
         }
   }
}

帳號(hào)		自動(dòng)登錄	找回密碼
密碼			立即注冊(cè)