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void INT1_Init(void) //INT1中断(上升沿和下降沿)P33按下,0可同时支持上升沿和下降沿 { IT1 = 1; //下降沿中断,0是上升沿和下降沿都可以 EX1 = 1; //打开中断允许 EA = 1; //打开总中断 } void INT_ISR(void) interrupt 2 //INT1中断(上升沿和下降沿)P33按下,可同时支持上升沿和下降沿 { P04 = !P04; P05 = !P05; P06 = !P06; P07 = !P07; //P33按下,P01就取反 }复制代码
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