STM32CubeIDE (MCUs)

Ask questions on STM32CubeIDE. Discuss how to build, debug, configure, and optimize your project as well as how to use our software tools.

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STM32CubeIDE 2.1.1 released

We are pleased to announce that the minor version 2.1.1 of STM32CubeIDE is available. What is new in 2.1.1: This release covers the topics listed below: SEGGER J-Link GDB server updated to 9.24 to fix an issue with the Live Expression view during the...

Aimen1 by ST Employee
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STM32CubeCLT 1.21.0 released

We are pleased to announce that STM32CubeCLT 1.21.0 release is available. What is new in 1.21.0: Maintenance of the previous version: Updated in accordance with STM32CubeIDE v2.1.0Update of Clang/LLVM toolchainUpdate of GCC to GCC 14Update of STM32Cu...

Aimen1 by ST Employee
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STM32CubeIDE 2.0 release - early heads-up!

Starting from the release in November 2025, STM32CubeIDE and STM32CubeMX will be available exclusively in their standalone versions. STM32CubeMX will no longer be integrated inside STM32CubeIDE. Instead, the two tools will be interoperable in the sam...

Resolved! Yellow triangle warnings in STM32CubeIDE

In the STM32CubeIDE I have several yellow triangle warnings. I have read in some other posts this is just that some features of that cannot be enabled due to your current settings. However, in my case I have very many and on all Timers. I am struggli...

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All of my ST-LINKs stopped working in CubeIDE today.

It's the strangest, most frustrating thing I've encountered.  I have three ST-LINK programmers; two /V2 and one /V3.  All have been working fine for a good long time.Today, CubeIDE won't program my device anymore, through any of the three programmers...

Brian H by Senior
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  • 8 replies
  • 2 kudos

i2c

Hi,I now implementing i2c with 2 stm board.The process is 1. Master transmit data 2. Slave receive and calculate some functions.3. Slave transmit that changed data4. Master receive it.with HAL_I2C functions.  I measure the SDA line with logic analyze...

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eunni by Associate III
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  • 4 replies
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Resolved! I cant see the trace in STM32

Hi,I would like to trace the variable through SWV data trace, trace log and also I want to get the data to plot via SWV Data Trace Timeline Graph. Eventhough when I make the required setup as below, I cant get the expected trace data, could you pls h...

demir_0-1713787855700.png demir_1-1713787912785.png demir_2-1713787994328.png demir_4-1713788015111.png
demir by Senior II
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  • 4 replies
  • 1 kudos

error and warnnings when i build the code in CubeIDE1.15.0

Hello ST community when i build my code in STM32F407VG or in STM32H735IG many warrnings& error  as shown :../Core/Src/main.c: In function 'CDC_HANDLE':../Core/Src/main.c:112:5: warning: 'main' is normally a non-static function [-Wmain]112 | int main(...

MOns1 by Associate
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  • 2 replies
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PWM Generation to Blink the LED Periodicly

 I am trying LED to turn on periodicly using PWM signal but ı cannot see any blinking on LED. I think that my fault is easy but ı could not find it. I am using Port D Pin 2 to blink the LED.    #include <stm32g0xx_hal.h>#include "stm32g0xx_hal_tim.h"...

Resolved! I2C

Hi,What I want to implement is I2C communication.There is one master(NUCLEO-U575ZI-Q) and slave(LK432KC). Master transmit TX_Buffer_1 which is double 3.0and Slave recieve it in RX_Buffer_1. Slave doubled RX_Buffer_1 and transmit to master. I use memc...

eunni_0-1712835224726.png eunni_1-1712835313232.png eunni_2-1712835356896.png
eunni by Associate III
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  • 2 replies
  • 2 kudos

I2C example`

Hi,I want to implement I2C communication.1 master and 3 slave, which transmit and recieve in both direction. Is there any common example of it?plz recommand website or documentation to study. I ask GPT4 several times but I'm not sure :) Thank you.

eunni by Associate III
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  • 5 replies
  • 2 kudos