摘要： * DESCRIPTION* This function implements registration of external interrupts** CALLS** PARAMETERS* eintno - External interrupt vector number(外部中断号)* Dbounce_En - Debounce control enable(判断当前是否可用)* ACT_Polarity - Interrupt polarity(设置高电平触发还是低电平触发)* reg_hisr - Registered hisr(响应函数)* auto_umask - A flag 阅读全文