30-14-2.c

C51程序应用例子,自己的学习历程,希望可以帮到大家

#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
#include<reg52.h>

sbit P10=P1^0;
sbit P34=P3^4;
sbit P35=P3^5;
sbit K1=P3^2;

static uchar Tosc;


void main(void)
{
//uint n;
TMOD=0x11; //计数器0/1均工作在方式1的16位计数模式

TH0=0x3C;
TL0=0xB0;
TH1=0x3C;
TL1=0xB0; //预置15536，计数50000，用6M晶振，计时0.1s

TR0=1;
//TR1=1;

ET0=1;
ET1=1;

EA=1;

while(1)
{
;


}

}


timerT0() interrupt 1
{


Tosc++;

if(Tosc==10)
{
Tosc=0;
//if(Tosc!=0)

P10=1;

}

TR1=1;
TR0=0;
}


timerT1() interrupt 3
{
static uchar Duty;

Duty++;

if(Duty==Tosc)
{
Duty=0;
P10=0;

}
TR0=1;
TR1=0;
}