STM32 MCUs Products

WAKEUP with RTC_WAKEUPCLOCK_CK_SPRE_16BITS not Working

Hi everyone,I have a problem with the STM32F401RE wakeup timer setup, to exit standby.This is my code.* Disable Wake-up timer */ HAL_RTCEx_DeactivateWakeUpTimer(&RTCHandle); /*## Clear all related wakeup flags ###################################*/ /*...

How to add .cpp and .h files to a project without undefined error?

Something weird is going on with my STM32Cube project building. I have a fresh project created from the template for the STM32H745I-DISCO. In the Core/Inc folder I created a foo.h header file containing a method. In the Core/Src folder, I wrote the i...

STM32F769I-DISCO Using CAN interface over Arduino connector

Hi,I have a problem with CAN peripheral on this board. I tried the CAN Networking Example from the EVAL board and changed the pin configuration to fit to the Arduino connector.I found some possible pin configurations:CAN1_RX on PA11 -> D10CAN1_TX on ...

CAN example for STM32f756 Nucleo doesn't work.

I have two STM32 based development boards and would like to get CAN example (slightly modified) to work with a simple data packet of 2 bytes sent from one board to the other. But I detect no valid CAN frame on the bus.The setup is taken from here:STM...

Allocate user defined section on FLASH with constant value

I'm using STM32F427.I want to declare the variable as a custom section and use it in a specific address area on the MCU FLASH.I change the *.ld file, declare that the variables are assigned to the designated section, so the compile becomes normal, an...

Questions regarding using STM32 as a UART "relay"

Hi, our hardware engineer kinda messed up and I'm forced to use an onboard STM32C8T6 and lowball it as a UART "relay", basically UART1 reads whatever that's putting in with likely a buffer of 32 bytes, and immediately sends them out over UART3.The du...

iwdg

SDRAM Malloc and printf / sinit crash

Hello,I'm using an STM32H743-EVAL2 board, I want to access the LCD screen to draw a PNG image, so I'm using a png library to load the image, and this library use "malloc".Unfortunately the RAM of the H743 is too small for handling large pictures, so ...