External GPIO interrupt example in S32k3

leo_Z — Thu, 28 Aug 2025 14:15:08 GMT

Hi there,

I'm trying to execute simple external GPIO interrupt in S32K3X4EVB-Q172 using push button SW5

I'm followed the https://community.nxp.com/t5/S32-Design-Studio-Knowledge-Base/SIUL2-external-interrupt-example-project-using-S32K3-RTD-without/ta-p/1552335

This is main file

But i'm getting an error as "SIUL2_ICU_IP_INSTANCE" not declared and other errors too

SIUL2 INSTANCE is configured as 0 but its not updated in respected file

Am I missing something in configuration,

Can anyone help this or any example available for GPIO interrupt with push button and led toggle with S32K3X4EVB-Q172 board

The project folder is attached bellow , I'm using RTD 5.0.0.

Re: External GPIO interrupt example in S32k3

VaneB — Thu, 28 Aug 2025 17:25:04 GMT

Hi @leo_Z

This HOWTO was implemented using RTD version 2.0.0, and several changes have been introduced in subsequent releases. As a result, some discrepancies may appear when following the instructions with newer versions.

The Siul2_Icu_Ip_Init() function error message is displayed due to a mismatch in the expected configuration parameter. The parameter passed to the function does not exist under the expected name—it was generated with a different identifier.

For example, instead of using: Siul2_Icu_Ip_0_Config_PB_BOARD_InitPeripherals. You should use: Siul2_Icu_Ip_0_Config_PB. This correct configuration can be found in the Siul2_Icu_Ip_SA_PBcfg.h file.

For better reference, I recommend reviewing the Siul2_Icu_Ip_BlinkLed_S32K344 example. It implements the same application as described in the HOWTO. This example is included with the RTD package and can be easily accessed when creating a new project from an example

BR, VaneB

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External GPIO interrupt example in S32k3

Re: External GPIO interrupt example in S32k3