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2530在休眠模式下,调用HalUARTWrite往外界写数据,出现乱码!



各位老师您们好: 我休眠模式下,通过按键响应,在按键响应函数内调用HalUARTWrite往外界写数据,为什么会出现乱码呢?有什么解决方法么?谢谢!