STM32 MCUs Products

STM32H7 - How to tell if debugger is attached?

So I was handed code that breaks when debugging, but to fix the breakage breaks a power control on the board. Rev A only has this problem but Rev A is what I'm stuck with . Nice, right? So I need a way to tell at run time whether the debugger is att...

SERVO MOTOR ANGLE

WHEN USED PULS ENCODER FOR FIRST TIME STARTUP HOW CAN UNDRESTAND ROTOR POSITION BECUSE SHAFT POSITION MIDLE 0 DEGREE TO 360 DEGREE

Problem with STM32L475 Discovery kit IoT node power supply

Hello, I've just received the STM32L475 Discovery kit IoT node. I connected the board through USB cable to my laptop (the JP4 jumper is connected to 5V_ST_LINK) and the power supply LED (LD5) is blinking. Also the board is not visible from laptop (I ...

Programming interface for custom board (what is SWO signal?)

I am using a nucleo board to develop some FW (NUCLEO-L073RZ, with STM32L073RZTx), but I wish to use the device (STM32L011G4) in the final product and use the nucleo board to program. I am not sure which pin on the SWO signal to.Thanks,Ashraf

Is it possible to implement a CAN bus using NUCLEO-F401RE board and a CAN Shield board?

I want to implement a CAN bus and I have the following boards:NUCLEO-F401REWaveshare RS485/CAN Shield (https://www.waveshare.com/wiki/RS485_CAN_Shield)I have seen that CAN interface is not avaliable in CubeMX for my nucleo board, so I have some quest...

Hello everyone, My question about FPU. I wanna use stm32f429 with FPU. How can I this? I activated it. Do I should do anything else? Do I need write special code for use FPU? I wish you good work.

ACCOUSTIC ECHO CANCELLATION: whodunnit ??

I have a speakerphone-ish application using STM32F405. Accoustic echo is a problem (mic picks up what the speaker barfs out). Prelim googling shows:Cube has add-on for speex AEC. But xiph (the guys who made the now-obsolete speex) themselves say...

Hi, for several days now I have been trying to display a variable in "Snapshot acquisition mode" in STM Studio. The document CD00291015.pdf talks about this mode on page 21, talking about the "softTrace" subdirectory and the DataAcq.c and DataAcq.h files

Hi, for several days now I have been trying to display a variable in "Snapshot acquisition mode" in STM Studio. The document CD00291015.pdf talks about this mode on page 21, talking about the "softTrace" subdirectory and the DataAcq.c and DataAcq.h f...

Program stucks on Timer2 Delay.

Hello,In my application there is an external interrupt configurations: RCC_ClocksTypeDef RCC_Clocks; RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE); EXTI_InitTypeDef EXTI_InitStruct; NVIC_InitTypeDef NVIC_InitStruct; GPIO_EXTILineConfi...