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Any indicator for why STM32 leaves SLEEP / STOP Mode?

I'm using the STM32L152. At certain points in my code I go into STOP mode. It seems to come out immediately. I'm not sure what interrupt or event is causing this. Is there any indication somewhere what event caused the processor to change modes? Than...

LThal by • Associate II
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STM32F303 ADC Simultaneous 4 ADC sampling

Hello ,I have recently bought a Nucleo-144 with an STM32F303ZE . Ive been testing out basic programmes including ADCs and I am new to STM32 and embedded in general .Problem:I need to sample 4 channel input Intermediate Frequency(2MHz signal , and i ...

USakt by • Associate
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How to wake up from stop mode with alarm A?

Hello, I'm trying to wake up from stop 1 with the alarm A, and I was wondering if someone can help me with this. Here is my code (I'm using HAL libraries first, the "easy" way base on the example ST gives: PWR/STOP1_RTC):...int main(void){ GPIO_Ini...

Emm1592 by • Associate II
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Resolved! Information on STM32H745

This part is mentioned in several places: AN4938, Rev 3​, http://www.openstm32.org/tiki-view_forum_thread.php?forumId=2&threadId=7657&comzone=show#threadId7657 but I can't find specifics on it.

How to call __wfi on RTEMS?

HI, ALL!RTEMS is a RTOS. I want to make it enter stop mode like below codeif(PWR_STOPEntry == PWR_STOPEntry_WFI) {     /* Request Wait For Interrupt */   __WFI(); } else {   /* Request Wait For Event */   __WFE(); }so i have to call __wfi like under ...

Resolved! STM32F030 USART bug?

When working with a STM32F030C8T6 board, communicating with another board through serial comms (115200bps), I suddenly started to get erroneous characters once in a while, when the remote board were sending data at the same time.It's a block protocol...

JHans.6 by • Associate II
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