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51问答网 > c51单片机程序中 led=^led 是什么意思

c51单片机程序中 led=^led 是什么意思

2025-03-14 20:53:33

推荐回答（3个）

回答1：

led=^led 写错了吧, ^是异或, 是二目运算

led=~led 这要才对, led取反操作, 目的是让灯一亮一灭

回答2：

呵呵 c51单片机程序中 led是控制LED指示灯的亮和灭的控制位
led=^led 即对led的状态取反就是在进行LED指示灯的亮和灭的切换。

呵呵满意就选满意回答喽

回答3：

值取反，原来是1变0，原来是0变1

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