Others: STM32 MCUs related

Connect Under Reset (NRST) in TrueStudio using SWD

Hi all,in my project I reconfigure SWD pins to work as inputs and therefore I can't debug/upload new firmware using software system reset. And here's my question - how to modify Startup Script (attachment) so that ST-LINK/V2 would upload (or debug) n...

New versions of Keil MDK-ARM STM32 packs - project configuration error

I notice that the updated versions of STM32 Keil packs contain an error influencing project configuration. The problem was already signaled on STM32 forums but the root case was not identified (see for example https://community.st.com/s/question/0D53...

Request for additional hardware support STM32 Nucleo H7A3ZI-Q

Hello there,After having installed both hardware packages provided by Mathworks coder embedded team:Simulink Coder Support Package for STMicroelectronics Nucleo BoardsEmbedded Coder Support Package for STMicroelectronics Discovery Boardsand while was...

Now I am using STM32F407ZGT6,In all files ,I cann't find "# define STM32F40_41xxx",but in many places ,it need to use "#if defined (STM32F40_41xxx)" as MACRO .Why ?

SPI communication using own driver for blocking call: Transmit/receive works fine, but I cannot get the data into the RxData array for later use.

Master: STM32L476RG on Nucleo boardSlave: M95M01-A125, 1 Mbit serial SPI bus EEPROMI set up a SPI driver to study details how registers work and the data is out and in transmitted. The data flow works fine looking at the logic analyzer window. In thi...

What is the relationship between STM32 HAL drivers and Keil CMSIS-Drivers?

Please help me understand the relationship / layering between STM32 HAL drivers and Keil drivers.Is it fair to say that STM32 HAL drivers are layered above CMSIS-CORE?Is it fair to say that Keil drivers are CMSIS compliant (CMSIS-Drivers), also layer...

Plot a buffer for signal processing

Hello, I'm doing a project for speech recognition. I have a buffer of 512 values and I want to test every state of the ASR I'm implementing. I am using Keil ARM as IDE and I have tried to use ​the logic analyzer to plot my buffer but I can only plot ...

printf() in IAR 9.20.2 doesn't work

I have been using prinf() function in IAR 9.10.1 without any issue.  Recently I upgraded to IAR 9.20.2 but the printf() didn't work any more.I also contacted IAR and they said fputc() based printf is not supported by IAR 9.20 any more and recommended...