51定時(shí)器通過查詢方式定時(shí)
[導(dǎo)讀]#includesbit P1_1 = P1^1;//定時(shí)器的初始化void delay_1ms(void){TMOD = 0x01;//采用16位計(jì)數(shù)器TH0= 0xFC;TL0= 0x18;ET0= 0;TR0= 1;//開啟while(!TF0);TF0= 0;TR0 = 0;}void main(void){while(1){P1_1 = 1;delay_1m
#include
sbit P1_1 = P1^1;
//定時(shí)器的初始化
void delay_1ms(void)
{
TMOD = 0x01;//采用16位計(jì)數(shù)器
TH0= 0xFC;
TL0= 0x18;
ET0= 0;
TR0= 1;//開啟
while(!TF0);
TF0= 0;
TR0 = 0;
}
void main(void)
{
while(1){
P1_1 = 1;
delay_1ms();
delay_1ms();
P1_1 = 0;
delay_1ms();
delay_1ms();
}
}
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