定时器中断.txt

/*500ms闪烁。
#include "reg52.h"
#include "demo.h"
#include "water_led.h"
#include "interrupt.h"
#include "define.h"
#include "intrins.h"

uint i;
sbit led2=P2^2;
int main ()
{
  led2=1;
i=0;
  timer_interrupt_0_1 ();       //?¨ê±?÷?D??0,50ms
while (1);
}


void ET0_1 () interrupt 1 
{
  i++;
led2=1;
  if(i==10)
{
  led2=0;
i=0;
}
   

}

*/



#include "stc15.h"




#define uint unsigned int


sbit a=P1^1;

unsigned int b;
unsigned int c;

/*输出2.5khz的方波
int main ()
{
a=1;
                TMOD=0x00;
TH0=(65535-50000)/256;
TL0=(65535-50000)%256;
ET0=1;
EA=1;
TR0=1;