STM32 MCUs Embedded software

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Bare metal USB HID

Hello,I am trying to implement a USB HID keyboard on an STM32F042 without HAL or LL, just simple register defs. I took an example code generated in CubeIDE with HAL and a few other examples. I extended the example with HAL to also implement the LEDs ...

Resolved! Unable to get DMA transfer complete to trigger

I'm using TIM1 to write a DMA buffer to the built-in LED. I'm trying to get the Transfer Complete callback to trigger. I've tried setting hdma->XferCpltCallback to a function. I suspect there is an interrupt enable flag I need to set and probably cle...

mleo2 by Associate III
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Resolved! Where are the HAL libraries documented?

I've just spent hours trying to get a DMA to trigger and interrupt when transfer is complete. I was using HAL_DMA_Start() instead of HAL_DMA_Start_IT(). I found HAL_DMA_Start_IT() by looking through the source code.Where are the HAL libraries documen...

mleo2 by Associate III
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Resolved! NUCLEO-STM32h7s3l8 & USB-HOST

Hello everyone. I recently purchased a Nucleo STM32H7S3L8 board, and it is giving me problems. I am using STM32CUBEIde to create a usb host and a CDC class. I am using the x-cube-tcpp module, USB_OTH_HS and the problem is that the usb host does not i...

Resolved! STM32U5A9 FDCAN Help

I am using a Riverdi STM32 Embedded Display RVT50HQSNWC00-B and having issues with the FDCAN bus. I am capable of writing to the TxFifo and can communicate with an external device in external loop back mode and normal mode. In external and Internal L...

Potential Bug in stm32fxx_STLstartup.c V2.2.0

Dear Community Members, While working on my current STM32F103 project and attempting to integrate the X-CUBE-CLASS-B Library, I've come across a potential issue in the file `stm32fxx_STLstartup.c`. Specifically, it concerns line 351:   351   if (STL_...

WWagner by Associate
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Nucleo STM32H743ZI Lan Interface does not work

Hello experts, what am I doing wrong? For days I have been trying to put the LAN interface of my STM32H743ZI board into operation. I just want to send a text to my PC and also be able to receive text from the PC. The board should be the server. Unfor...

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HGumb.1 by Associate II
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