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@awwwwa 谢谢您的回复。 确定在int hal_gpio_init(void)中调用过对应GPIO控制器的中断注册函数：4b6c1824-ba90-41ea-bd0a-e0c90891eff1-image.png 对应的GPIO口的：hal_gpio_irq_request也调用过。请问您验证过DSP的GPIO中断吗？还有没有其它机关？