使用F28335,应用了两个中断,cpuTimer0 定时器 中断,中断周期时间为1ms,
外部中断2由IO口控制,中断周期时间为250us,
在定时器中断中,做了中断嵌套,也就是,外部中断2的执行优先级是最高的,可以打断定时器,
那么如果两个中断同时进行的话,在定时器中断中,1ms中,可以接收4次外部中断,不知道应该怎么设置或编程实现同步进行。
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