STM32 MCUs Boards and hardware tools

STM32H7xx - ST-LinkV2 Cache Coherency Issue when debugging from Keil uVision5

Background:Was debugging on STM32H7xx when I noticed that a variable that was passed by address to a function did not correctly display the value it was updated to. Where it is used 2 lines down the variable evaluates correctly (the code functions as...

How to establish a Virtual Port Com connection with STM32F103RBT6?

Hello, I realised that there is less than none articles about this topic so I'm looking for advice here. Long story short, I'm trying to communicate with my Olimexino STM32 board with Virtual Com Port. I am using CubeMX to create the source code, and...

MEMS led not turning on automatically

I just bought STM32F407 discovery kit.I connected Type A to B cable. The leds between B1 and B2 should turn on but its not on in my case.help me in this.​

stlink v2 virtual com port not showing in windows 10? what should I do

External flash loader program not working

I am trying to develop an st-link utility external spi flash loader using STM32F411RE and Winbond W25Q32. Mass erase, Read, Sector erase are working well but the program not working, the following errors are pop-up 1)Timeout during flash programming....

Diagnose USB connection of STM32F103VCT6 custom board

I have made a custom board for STM32F103 VCT6 and have shared the schematics and PCB Layouts below. I had used a blue pill dev board of STM32F103C8T6 for my circuit which worked well. However my production board (with bigger MCU) has intermittent con...

STLINK-V3Mini and STM32G081KB, how to transfer code?

I have a STLINK-V3Mini and STM32G081KB, on the board I have 4 connector pins (VCC, SWDIO, SWCLK and GND). SWDIO is connected to PA13 and SWCLK to PA14, as standed in RM SW debug port pins. VCC is connected on 3.3V. On the other side, I took 4 pins (3...