Hi there,I am new with UART and want to use my own UART Functions and i found the function HAL_UART_RxCpltCallback and HAL_UART_TxCpltCallback.When are this Functions called? I found them in the documentation of stm but that didn't explain well when ...

I am using USB Virtual Com Port with CubeMX on a STM32F4 controller.The problem is, that occasionally, but increasingly often I cannot open the COM Port to my Device. It is very hard to reproduce, as changes in completely different code regions can c...

Hi there,i have Projects where I used USB FS for COM Port Communication. How can i change them to USB HS do i need to change the clock or other settings?Thanks in advance.I am new with STM32

how to set the minimum heap size manually in code without cubemX?

Hi there,i am working on a composite device with STM32F4 and i got it working.I get in the device manager a MSC device and a serial com port. The issue now is i can't open the com port with any terminal program it doesn't respond.Anyone have experien...