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Resolved! STM32 NVIC lower priority Interrupt doesn't work again after being preempted by the interrupt with the higher priority.

Hello,I am using stm32f4 discovery. I wrote 2 interrupts to blink LEDs in different speeds to write an example for NVIC. I have 1 question that I wonder about and 2 issues I couldn't solve. Here is the situation :All interrupts work well seperately. ...

ABuyu.1 by Associate II
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  • 4 replies
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Resolved! Wrong voltage readings from ADC

Board: NUCLEO STM32F103RB - MB1136 C-01Hi all,I try read, trought ADC1_IN0 (pin PA0) , the temperauture value from LM35, but read wrong value.LM35: connected at 5V, GND and A0. ADC1_IN0: work at 8 MHz with voltage reference of 3.3V and 12 bit of reso...

Linux and custom code on dual core MCU

Hi EveryoneI'm wanting to have an STM32H747 run custom code on the M4 and Linux on the M7 with some basic interaction/messaging between the two.I've never attempted anything like this before and will be very grateful for any advice offered by the com...

JacquesV by Associate II
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  • 5 replies
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Import a projet to a different evaluation card

Hello,I am currently working on a project integrating the ST package (fp-aud-smartmic1) allowing to test acoustic improvement functions (echo cancellation, beamforming ...) however I wish to work on a different microcontroller than the one proposed i...

UTANG.1 by Associate II
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  • 3 replies
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Switch Block influencing stop2?

I'm seeing the following problem:In normal Mode, the current function to run, is from a swich/case block inside main();. This works perfectly fine in run mode. Some cases end up in STOP2, and change state (the switch/case) variable after the wakeup p...

STM32L010RB, STOPmode with RTC wakeup.

New to STM32 low power devices.I cannot get power consumption of the nucelo to below 120ua when measuring at IDD. I have configured the ISR and RTC as per NUCLEO-L031K6\Examples\PWR\PWR_STOP_RTCAny assistance would be highly appreciated. I can get th...