//例:點亮第一個LED燈(P10)
//使用I/O口來點亮LED燈,低電平點亮
#include <reg52.h>
sbit LED1 = P1^0; //1111 1110
sbit LED2 = P1^1; //1111 1110
sbit LED3 = P1^2; //1111 1110
sbit LED4 = P1^3; //1111 1110
sbit LED5 = P1^4; //1111 1110
sbit LED6 = P1^5; //1111 1110
sbit LED7 = P1^6; //1111 1110
sbit LED8 = P1^7; //1111 1110
void main()
{
LED1 = 0;
LED2 = 0;
LED3 = 0;
LED4 = 0;
LED5 = 0;
LED6 = 0;
LED7 = 0;
LED8 = 0;
}
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