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//按钮开关控制实验
#include
sbit PB1 = P3^1;
sbit PB2 = P3^0;
sbit LED = P2^0;
void main()
{
LED = 1; //关闭LED灯
PB1 = PB2 = 1; //设置按钮初始值
while(1)
{
if (PB1 == 0) LED = 0; //按下PB1开灯
else if (PB2 == 0) LED = 1; //按下PB2关灯
}
}