savework.h

陵阳61单片机的计数测速程序

#include<reg51.h>
#include<absacc.h>
#define uchar unsigned char
#define uint unsigned int

#define TRUE 1
#define FALSE 0
void delay_ms(unsigned int t){
bit ea=EA;
bit tr0=TR0;
EA=0;
TMOD=TMOD&0xf0;
TR0=1;
TL0=256-t&0x0f;
TH0=256-t%256;
while(!TF0){}
TF0=0;
TR0=0;
TR0=tr0;
EA=ea;
}
void delay_10ms(){
EA=0;
TMOD=TMOD&0xf0;
TL0=0xf0;
TH0=0xff;
TR0=1;
while(!TF0){}
TF0=0;
EA=1;
TR0=0;
}