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losing some isr

Hello dear experts,I am using the TIMER2 on stm32F446Re with TI1_ED as reset mode input and TIM2_CH4 as timer value capture input. I inserted code to toggle a gpio in the HAL_TIM_IC_callback. On the scope I am capturating the TIM2_IC4 signal and the ...

papageno by Associate III
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ADC DMA with TIM21 TRGO conversion source on STM32L010

I've got an application where I'm performing an ADC DMA transfer where the ADC conversions are triggered by the TIM2 TRGO. Everything was running smoothly until a PCB respin forced me to switch over to TIM21 to trigger the conversion. I didn't see a ...

DWann by Associate III
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  • 12 replies
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Storing small data in internal flash

HI, we are working on STM32H750. in our program, we need to store 5 bytes in the internal flash. this data will be read everytime the device is powered on. the data will be changed whenever the settings are changed by the user. i.e. once in a while.M...

dv.13 by Associate II
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  • 1 replies
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RTC backup date and time

Hi,I created this function in order to store the date and time. It works !But the problem is when I load date and time, the time is the last before turning off the system.void RTC_Init(void) { /* Restore the date form backup registers */ RTC_LoadDa...

MMerc.1 by Senior
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Resolved! using PWM with STM32L412

I have PWM setup on my STM32L412, but there is no output on the pins. I move a value to CCR1, CCR2, CCR3 but there is no output. I'm using cubeIDE to generate the HAL setup, but I notice that the timers aren't enabled, but this isn't the solution - e...

deep_rune by Associate III
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  • 3 replies
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Resolved! Why HSE is not getting ready?

Hi guys,I am using an stm32L552ZE with an NX2016SA-24MHZ-EXS00A-CS10820 oscilattor. Everithing runs as expected until i get to HSERDY waiting. I get a timeout at this part. For startup I am not running a cutom code and the HSE on code is:SET_BIT(RCC-...

CDan.1 by Associate II
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  • 4 replies
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Resolved! After erasing internal flash using st link utility when i will start storing sum data into internal flash it is going to be in hard-fault.

Hello Everyone,We are working on STM32F413RH. We are storing sum data into internal flash at some interval of time. Simple mechanism is used, first we are erasing sector and then we are writing our data into internal flash.But when we are erasing chi...

MGami.1 by Associate III
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  • 7 replies
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Where are timer outputs connected?

For instance STM32H750VBT6 has many timers, but CubeMx does not show where their outputs would go. I don't want to mess (enable all of them) an existing design just to see where timer output are.

LMI2 by Lead
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  • 6 replies
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