topic Switch Power Mode in i.MX RT Crossover MCUs

Switch Power Mode

KhaledG — Wed, 21 Feb 2024 17:37:18 GMT

Hello,
Im trying to switch power mode to stop for with mqx5. But the cpu stay awak
I used the CCM Low Power Control Register as indicated in the reference manual:

CCM->CLPCR = (CCM->CLPCR & ~CCM_CLPCR_LPM_MASK) | CCM_CLPCR_LPM((uint32_t)2);
Did I do something wrong?
Best Regards.

Re: Switch Power Mode

EdwinHz — Fri, 16 Feb 2024 23:03:37 GMT

Hi @KhaledG,

The SDK for the RT1024 contains a "power_mode_switch" demo code which exemplifies the usage of this exact application very nicely. I understand that it is not implemented for MQX5, as it implements either FreeRTOS or BM. However, this example code will prove to be a very useful baseline on how to execute power mode switches on the RT1024, which you can then adapt to your MQX5 application. The SDK is available for building and downloading here: SDK Builder | MCUXpresso SDK Builder (nxp.com)

BR,
Edwin.

Re: Switch Power Mode

KhaledG — Mon, 19 Feb 2024 11:00:32 GMT

Thank you,
It helped me.