我用按键做了一个外部中断的输入,按下按键时,偶尔不反映,不进入中断函数。偶尔又能正常进入中断函数。我是在IAR上面用仿真器查看的,请大神指点哪里出了问题。
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我用按键做了一个外部中断的输入,按下按键时,偶尔不反映,不进入中断函数。偶尔又能正常进入中断函数。我是在IAR上面用仿真器查看的,请大神指点哪里出了问题。