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请问怎么设置输出打印信息啊？用printk后还要修改其他宏吗？请知道的朋友告诉我，写下步骤。谢谢。
恩，用printk()函数可以打印输出信息。
多google啊
最简单的办法，从你要调试的文件中，找下打印的语句，有的话直接拷过来，改打印内容；找不到的话就只能printk了，printk没有啥宏需要修改的。
