RE: nRF24LE1 External Pin Interrupts

Cameron Briffa — Mon, 16 Apr 2018 00:21:32 GMT

Thanks for your response. We've decided to go with the Q24 package. I've ordered an RFGo kit and the Q24 dev kit.

RE: nRF24LE1 External Pin Interrupts

Håkon Alseth — Thu, 12 Apr 2018 07:57:23 GMT

Hi,

[quote user=""]When I read the specification, in particular "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.", it sounds to me that only one of the pins can be set to cause the interrupt at a time.[/quote]

If you enable more than one GPINTx, then you have to have all enabled sources active in order for one interrupt to occur.

I recommend using WUOPCx instead, then checking which IO is active after you have woken up.

[quote user=""]Am I reading this correctly, or is this a status register which indicates where the interrupt occurred?[/quote]

Interrupts in general can be found in chapter 9, more specific in the block diagram in chapter 9.2 in the PS:

http://infocenter.nordicsemi.com/pdf/nRF24LE1_PS_v1.6.pdf

GPINTx generates a IFP interrupt. Inputs enabled in WUOPCx generates the interrupt WUOPIRQ.

Best regards,

Håkon