I want to add a usb connector to my stm32L452, it is powered by an external supply (not usb). I then want to use it as a CDC device, so I can plug into my PC, and it appears as a virtual com port and/or mass storage device. I have some questions:(1) ...
Gooday I have a steering wheel which has buttons programmed with an stm32 blue pill board.... my problem is The board is only recognised on my pcs front USB ports ......any USB ports on the back side of the board give an error (cannot recognise and p...
The system looks like this:-one master controller STM32H7 which holds firmware of slaves-multiple (~8) "slave" STM32H7 on the same FD-CAN busThe slave controller firmware should be upgrades via FD-CAN ST bootloader (see AN5405)AN5405 says "The CAN bo...
I am developing a project using STM32F429ZI, I have bought a Nucleo board, read the quick start guide, plugged it into USB power & ethernet... so now what?The quick-start guide literally says "Press button B1 (left button). Observe the blinking frequ...
I modified my project from filex demo in package STM32H7 AZURE, when i insert a SD card which has only one partiton, filex can read/write files on SD card. Then i format the SD card and create two partition, now filex cannot mount SD card. the error ...
Hello,I have been testing modifications for STM32 default USB library stack that was modified to support dual CDC. The code is working fine on STM32H745 MCU. The idea was to now use this same library for F745 to communicate with Qt app on PC but ther...
Hi dear support people,floating CMOS inputs in general pose both serious hardware and software problems, as we all are quite aware of.Regardless, the D- line of the STM32H7 USB FS PHY (used as a USB device role) is floating, when the host USB cable i...