1.毫秒級(jí)的延時(shí)延時(shí)1ms;void delay_1ms(void){unsigned int i;for(i=1;i
/**************************延時(shí)函數(shù)***************************/void delay_us_STC12(unsigned int us){ unsigned int i;us=us*12/11;//12/11是STC12C5408在22.1184MHz晶振for( i=0;i