精品精品-精品精品国-精品精品国产-精品精品国产高-精品精品国产高清-精品精品国产国产-精品精品国产精品等-精品精品国产理论

51†ÎƬ™CÈçºÎéL•régÑÓ•r£¿

†ÎƬ™CÑÓ•rÒ»‚€Ð¡•r£¿£¿£¿

ÆðÒ»‚€×ƒÁ¿£¬Åcí‘‘ª•régŒ¦ÕÕ

#pragma interrupt_handler timer0_ovf_isr:10  //TIMER0 ¶¨•r2msÖДà.
void timer0_ovf_isr(void)
{
TCNT0 = 0xD9; //reload counter value
timer2ms++;
    if(timer2ms >= 5)
    {
     timer2ms = 0;
     timer10ms ++;
     systimer10ms ++;
      if(systimer10ms >= 22)  //ƒÈ²¿1M¾§Õñ
       {
       systimer10ms = 0;
       timer1s ++;
}
}
¾WÉÏÕÒµ½µÄ

     if(timer2ms >= 5)ºÍif(systimer10ms >= 22)   ¸Ä´ó¾Í‘ªÔ“ÄÜÑÓéL¡£