Compile error from calling 'NRF_GPIO->LATCH' in Zephyr NRF SDK 1.9.1 C++ project

[samm]

Hi,

I am currently trying to read the GPIO latch register in my Zephyr NRF SDK 1.9.1 C++ project with the following line:

uint32_t gpio_trigger = NRF_GPIO->LATCH;

This is resulting in the following compile error:

error: 'NRF_GPIO' was not declared in this scope; did you mean 'NRF_GPIOTE'?

I have already included 

#include <hal/nrf_gpio.h>

 in main.cpp and my prj.conf contains 

CONFIG_GPIO=y

. The device I am using is NRF5340 on a custom PCB.

Just wondering if there is anything I am missing that might be causing this issue?

Kind regards,

Sam.

[Jørgen Holmefjord]

Hi,

nRF5340 does not define the NRF_GPIO type, you need to reference NRF_P0_S/NRF_P0_NS or RF_P1_S/NRF_P1_NS depending on which GPIO port you are accessing. NRF_GPIO is legacy code from nRF51, and have been deprecated since nRF52832 was released.

Best regards,
Jørgen

[samm]

Hi Jørgen,

Thanks for your response. 

Ah, I wasn't aware of this. I'll be sure to use NRF_P0_S/NRF_P0_NS or NRF_P1_S/NRF_P1_NS from now on.

Cheers,

Sam.