标题:
8路指示灯程序
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作者:
11031191445
时间:
2016-11-9 18:24
标题:
8路指示灯程序
#include<reg51.h> //头文件
#define uchar unsigned char //宏定义,为方便编程
#define uint unsigned int
#define KEY P0 //宏定义,将P0口定义为按键KEY
#define LED P1 //宏定义,将P1口定义为LED
uchar keyvalue=0; //定义变量,存放按键值
//char code SST516[3] _at_ 0x003b; //仿真器保留
main() //主函数
{
while(1)
{
keyvalue=P0; //取按键值,存入keyvalue
P1=keyvalue; //将按键值赋给P1口,驱动相应LED发光
}
}
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