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全局变量断电后重新上电则不能初始化



我在ZLL Light程序中添加了一个全局变量,用来控制发送入网请求,入网成功后该变量置位,程序就不再发送请求,但我希望断电后重新上电能够初始化,重新发送请求。但我实验的结果是重新下载程序就可以初始化,断电后重新上电则不能初始化,不知道什么原因?