topic Re: S32k144 clock source change in S32K

S32k144 clock source change

vinaykl — Thu, 21 Sep 2023 07:25:38 GMT

Hello team,

I want to change the system clock source of my current running configuration. I just saw one API "CLOCK_DRV_SetSystemClock()"

I just want to know how to use this API and what is the use of it. And I just want to know the arguments I need to pass in this.

Thank you

Vinay

Re: S32k144 clock source change

danielmartynek — Thu, 21 Sep 2023 09:10:58 GMT

Hi @vinaykl,

Which SDK version do you use?

Thanks,

BR, Daniel

Re: S32k144 clock source change

vinaykl — Mon, 25 Sep 2023 05:44:56 GMT

Hello danielmartynek,

Thank you for the reply, I am using S32K144_SDK 3.0 SDK

Re: S32k144 clock source change

danielmartynek — Wed, 27 Sep 2023 12:16:00 GMT

Hi @vinaykl,

You would need to define the two parameters in the code.

Their declaration can be found in clock_S32K1xx.h

You can use the CLOCK_DRV_GetSystemClockSource() and pass the defined struct there first to get the current clock source. Then change it and use it in CLOCK_DRV_SetSystemClock().

However, the SDK 3.0.0 Processor Expert allows creating more clock configurations.

The system clock can be updated using CLOCK_SYS_UpdateConfiguration().

Regards,

Daniel