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NRF24LE1

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I want to know the EXT interrupt (GPINT1 & GPINT0) can use at the same time. When I use the GPINT1 & GPINT0 at the same time,only one is OK the other is faile.

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    Hi,

    Unfortunately, the GPINTx is not functional when enabling more than one.

    If you enable two or more, there is a "logic and" to trigger the interrupt, meaning that all sources must be active at the same time in order to trigger the interrupt. This is a feature with this specific peripheral. Also mentioned in chapter 9.3 of the spec: [i]Interrupt from pin GP INT0, GP INT1 or GP INT2 as selected by bits 3,4 or 5 in SFR INTEXP. Only one of the bits may be set at a time.[/i]

    A workaround can be to poll the lines using the RTC interrupt.

    Best regards Håkon

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