POWER_CLOCK_IRQHandler

[Lior Smila]

Hi,

Using SDK 15, I' having the following issue:

My project works with USB and softdevice (among many other features)

1. I included the file nrfx_power_clock.c in my project - yet the handler - POWER_CLOCK_IRQHandler for some reason is not linked!

And so USB is not functioning.

If I'm taking it out to my project file the handler is linked.

I do not see anything special about the way this handler is taken care by Nordic( not other than GPIOTE_IRQHandler for instance...).

Yet for some reason that handler is not linked - please your help....

Regards,

Lior.

[Einar Thorsrud]

Hi,

Which toolchain do you use to build your project? We have seen issues with GCC 7.x.x and LTO, where the linker sometimes uses the weak ISR implementation from the startup file instead of the proper implementation. We still test the SDK with GCC version 6.3.1 for that reason.

[Lior Smila]

Hi,

I'm using IAR 7.5 - is that happening also on other handlers (as far as you know)?

[Einar Thorsrud]

I have not heard of this issue in IAR, so I am tempted to think that there is another issue here. Have you set NRFX_POWER_ENABLED and NRFX_CLOCK_ENABLED to 1 in your projects sdk_config.h? If not, nrfx_power_clock_irq_handler() will be stripped out by the preprocessor.

[Lior Smila]

I did set them both to 1.

In the following code I can see the following line:

priority = NRFX_POWER_CONFIG_IRQ_PRIORITY;

executing...

#ifndef SUPPRESS_INLINE_IMPLEMENTATION
__STATIC_INLINE void nrfx_power_clock_irq_init(void)
{
    uint8_t priority;
#if NRFX_CHECK(NRFX_POWER_ENABLED) && NRFX_CHECK(NRFX_CLOCK_ENABLED)
    #if NRFX_POWER_CONFIG_IRQ_PRIORITY != NRFX_CLOCK_CONFIG_IRQ_PRIORITY
    #error "IRQ priority for POWER and CLOCK have to be the same. Check <nrfx_config.h>."
    #endif
    priority = NRFX_POWER_CONFIG_IRQ_PRIORITY;
#elif NRFX_CHECK(NRFX_POWER_ENABLED)
    priority = NRFX_POWER_CONFIG_IRQ_PRIORITY;
#elif NRFX_CHECK(NRFX_CLOCK_ENABLED)
    priority = NRFX_CLOCK_CONFIG_IRQ_PRIORITY;
#endif

    if (!NRFX_IRQ_IS_ENABLED(POWER_CLOCK_IRQn))
    {
        NRFX_IRQ_PRIORITY_SET(POWER_CLOCK_IRQn, priority);
        NRFX_IRQ_ENABLE(POWER_CLOCK_IRQn);
    }
}
#endif // SUPPRESS_INLINE_IMPLEMENTATION

[Einar Thorsrud]

OK, I see. It is still not clear to me what is happening, though. Can you post any relevant logs or error message from building the project? It might be useful to see the full project as well if that is something you can share on this forum. (If not, we could continue in a private case.)

[Elkana]

Lior found the problem. it was the way we built the project.
Using IAR toolcahin - When building the SDK as library, you need to add linker command line option "--whole_archive" (see IAR help for details)

[Einar Thorsrud]

Ah, I see. I was not aware of that. Thank you for letting us know.