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【求助】6678无法跳出中断服务程序问题



您好,

         自己做的板子,上面用的6678。调试时,6678接收GPIO9中断会一直在中断服务程序中响应,出不了中断。程序如图片。请大神帮忙看看程序有问题吗?是否需要在中断服务程序中清中断标志,如果要,具体是清哪个?