led.c

来自「手把手教你单片机」· C语言 代码 · 共 19 行

#include <reg52.h>
typedef unsigned char 	uint8;
typedef unsigned int    uint16;
sbit ENLED = P1^4;
sbit ADDR0 = P1^0;
sbit ADDR1 = P1^1;
sbit ADDR2 = P1^2;
sbit ADDR3 = P1^3;
main()
{
    
	ENLED = 0;
	ADDR0 = 1; ADDR1 = 0; ADDR2 = 1; ADDR3 = 1;
	while(1)
	{
	     P0 = 0xF9; 
		 	  	
	}
}