S32KのトピックRe: NMI Handler (Non Maskable Interrupt) not triggering in S32K388

NMI Handler (Non Maskable Interrupt) not triggering in S32K388

punithchandra — Mon, 22 Apr 2024 09:47:03 GMT

Hi Team,

We are using the S32K388 eval board. We want to trigger the non-maskable interrupt when the pin PTD3 value changes.

We have configured PTD3 pin mode as SYSTEM_NMI_B. The pin PTD24 is configured as the GPIO output mode. We have connected the PTD3 & PTD24 via a wire on the IO matrix of the Eval board.

The code is written to toggle the PTD24 pin. Since this pin is connected to PTD3 which is configured as SYSTEM_NMI_B, we were expecting the breakpoint kept inside the NMI_Handler function to hit. But the breakpoint is never hit.

We also have enabled this interrupt using the API NVIC_EnableIRQ(NonMaskableInt_IRQn).

We are using the example code of Icu driver and did the changes as per our requirement.

Is there any other configuration parameter/ any code changes we need to do in order to enable this NMI interrupt?

#NMI #Interrupt #ICU

Re: NMI Handler (Non Maskable Interrupt) not triggering in S32K388

punithchandra — Tue, 23 Apr 2024 13:09:33 GMT

Hi Team,

Can you please look into this query?

Re: NMI Handler (Non Maskable Interrupt) not triggering in S32K388

punithchandra — Fri, 26 Apr 2024 16:28:19 GMT

Hi Team,

Can someone from NXP check this please?

Re: NMI Handler (Non Maskable Interrupt) not triggering in S32K388

punithchandra — Thu, 13 Jun 2024 07:16:01 GMT

Configured the WakeupNMI configurations in the Icu module. And referred this in one of the IcuChannels. After this the NMI handler is being triggered.