I have set the trigger type with Low trigger and without disable and enable codes. if the interrupt is triggered the hardware will set the gpio with High 。 It has the same problem. I do not why ? Thanks! 在 2013-06-03 14:03:14，"Gilles Chanteperdrix" <[email protected]> 写道： >On 06/03/2013 03:36 AM, 嵌入式工程师 wrote: > >> To prevent re-entry > > >You do not need to do that: >- hardware interrupts are off, so, there is no possible reentry >- if the interrupt if of the "level" type, the flow handler already does >it, and with some edge type interrupt handler, you risk to miss interrupts. > >-- > Gilles.
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