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TMS320C6748: 6748 gpio中断问题咨询

Part Number: TMS320C6748

C6748的GPIO口可不可以判断中断类型?我设置中断触发方式为上升沿和下降沿触发,现在有一个中断进来,我需要判断他是上升沿触发的中断还是下降沿触发的中断,然后分别做不同的处理,请问调用什么库函数可以解决这个问题?感谢