Hi,Months ago I developed a complete project using HAL libraries for the STM32G030K8T microprocessor. Now I need to implement a low power (STOP0) mode and wake-up it from deep sleep using USART. The point is I am facing the following problems:My project is using the PLLCLK as system clock from HSI RC given a final HCLK of 64MHz. How could I restore this HCLK after the wake-up?I use HAL libraries for the first time and I only find examples written using LL libraries. This result in some Incompatibilities. For example I cannot use HAL_Delay() as usual and I have to use LL_mDelay() instead. Both of them cannot live together? Why?Is there some example using USART (not LPUART) and HAL (not LL) libraries for this STM32G030K8T? I'm not able to find it.Thanks in advance,gaston

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STM32G0 USART wakeup implementation for an existing HAL project

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Hi,

Months ago I developed a complete project using HAL libraries for the STM32G030K8T microprocessor. Now I need to implement a low power (STOP0) mode and wake-up it from deep sleep using USART. The point is I am facing the following problems:

My project is using the PLLCLK as system clock from HSI RC given a final HCLK of 64MHz. How could I restore this HCLK after the wake-up?
I use HAL libraries for the first time and I only find examples written using LL libraries. This result in some Incompatibilities. For example I cannot use HAL_Delay() as usual and I have to use LL_mDelay() instead. Both of them cannot live together? Why?
Is there some example using USART (not LPUART) and HAL (not LL) libraries for this STM32G030K8T? I'm not able to find it.

Thanks in advance,

gaston

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Mike_STBest answer

ST Technical Moderator

Hello,

you should be able to find HAL examples in the STM32G0 firmware package:

https://www.st.com/en/embedded-software/stm32cubeg0.html

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