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上电后RAM中的4个字节空间在main之后OS启动的时候进行初始化发现应该进入异常了,插上调试器又无法复现,把这段RAM的操作注释掉之后就正常了,这个是没办法这样操作是吗?
ram没初始化之前(掉电后会丢失RAM的值,需要重新初始化),去读取会产生hardfault;很多debug算法里会去初始化RAM,所以用debug不会出现。
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