通过单步运行程序,发现在设置set_fal_trig时,set_fal_trig寄存器和clr_fal_trig同时被置位,而clr_ris_trig和clr_fal_trig语句都没有用。set_ris_trig也会同时赋值set_ris_trig寄存器和clr_risl_trig.
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通过单步运行程序,发现在设置set_fal_trig时,set_fal_trig寄存器和clr_fal_trig同时被置位,而clr_ris_trig和clr_fal_trig语句都没有用。set_ris_trig也会同时赋值set_ris_trig寄存器和clr_risl_trig.