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how do i know if a clock is enabled already?

If I need to init ADC and QDC,  and they both use XBARA, and `CLOCK_EnableClock(kCLOCK_Xbar1);` is invoked twice.

Would it be a problem that kCLOCK_Xbar1 enable twice? Is there a function I can use to know if the module already has been enabled before I try to enable the module?

Re: how do i know if a clock is enabled already?

Hello @5angxr,

It is not a problem to use "CLOCK_EnableClock(kCLOCK_Xbar1);" twice, this because the clock will be enabled.

Also, to know if the clock is enabled you can see the bits 22 and 23 in the register called "CCM Clock Gating Register 2" where is in the chapter 14.7.23 in the RM. As shows the next image:

Habib_MS_0-1723070379468.png


Also, if you experience any issue, do not hesitate to let me know.

BR

Habib

Re: how do i know if a clock is enabled already?RT1042Re: how do i know if a clock is enabled already?

 

Hello @5angxr,

Sorry for taking a while to get back to you. In order to support you better, can you provide me which RTxxxx you are currently using?

BR

Habib

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‎11-21-2025 12:45 PM
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