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Nucleo F767ZI - system freeze upon UART ORE interrupt

Hi,My system (MCU) gets into a state where I can't debug it when i get a UART interrupt due to ORE.I even tried placing breakpoints at the places where ORE is captured in the IRQ handler - but the debugger didnt stop and I lost the connection to the ...

I am working with an STM32F405. Planning to use Segger J-link probe and J-scope combination to visualize RAM variables over the JTAG/SWD/SWO interface. does anyone know what is the maximum sampling frequency I can achieve with the STM32F405?

Segger quotes the J-link Ultra+'s target interface speed at 50MHz and an "unlimited sampling bandwidth, limited by the bandwidth of the debug interface"... Ideally I would like to plot 4 floats at atleast 10kHz sampling rate.

sb by Associate
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Resolved! How fast is a double floating point Square root function on a 48MHz Cortex M0 ?

I made an integer Square root function:    int integerSQRT, result,result2;   for (integerSQRT = 0; integerSQRT < 100; integerSQRT++)        if (integerSQRT*integerSQRT >= squaredResult) {                      result = integerSQRT - 1;      // just l...

T J by Lead
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How to config SYS_WKUP3 for STM32L4 MCU Standby mode?

Hi,I am setting up STM32L4 for standby mode. From Cube and NUCLEO-L496ZG\Examples\PWR\PWR_SLEEP\Src the GPIO pin is PE6.However I don't see any Cube generated code to init this pin. Neither in example code.Should I init the PE6 as GPIO input pin?Thx ...

Encoder mode and rotary encoder

Posted on April 03, 2018 at 11:10 Hi, I'm using STM32F072RB and a rotary encoder (with 30 dentet) connected to TIM2 in 'encoder mode' and I can see in TIM2->CNT that it is actually counting correctly. I trying to get an interrupt on each detent...

Ariel G by Associate II
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Resolved! how to find the reason when watchdog reset happens

Dear Sir/Madam:I have a problem and would need your help. when I write a watchdog like the following:void init(){.. SystemClock_Config(); /*######## Configure watchdog timer ############################*/ // Watchdog clock is LSI, runs at 32kHz. The ...

Realtime SWV debugging

I have enabled an ADC of a STM32F407. I want to check how well it samples the input signal, therefore I should see in in the SWV graph. But it seems the SWV is unable to grab all data sequentially. I read ADC using DMA and 1000 buffer length. How can...

Resolved! The Support portal - is anyone there?

I've posted a request to the support board https://my.st.com/ols more than a month ago. No one answered. What's going there? Does anyone read these requests?Thanks,Pavel A.

Pavel A. by Super User
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