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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STM32CubeCLT 1.19.0 released

We are pleased to announce that the release 1.19.0 of STM32CubeCLT is available. What is new in 1.19.0: Support for ST Arm Clang toolchainMaintenance of the previous versionUpdated in accordance with STM32CubeIDE v1.19.0 Main fixed issues in 1.19.0: ...

Resolved! [Resolved] STM32CubeIDE project creation issue

Updated post to reflect permanent fix Dear STM32CubeIDE user, Further to the recent STM32CubeIDE project creation issue, we would like to inform you that a solution is now available for you. This permanent fix applies to all STM32CubeIDE versions. I...

STM32CubeIDE 1.19.0 released

We are pleased to announce that the release 1.19.0 of STM32CubeIDE is available. What is new in 1.19.0: Microcontroller, microprocessor, and board lists aligned with STM32CubeMX v6.15.0:Added the support for STM32MP21xx microprocessors to the STM32MP...

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! ST-Link V2 Update Error

I can't update my ST-Link V2When i try to update first it says update error after that update succesfully. 

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AnilKose by Associate II
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  • 2 replies
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Resolved! can't make interrup callback work

Hi,I am a newbie to CubeIDE and STM32 Mcus, and have spent hours trying to make interrupt callback work on a Nucleo-STM32G070 board.First, I tried HAL_UART_TxCpltCallback for USART2, this function is not called, then I downloaded an example project T...

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Chao by Senior
  • 2517 Views
  • 12 replies
  • 2 kudos

nucleo-h745zi-q is not working

I was using STM32CubeIDE 1.14.1 to write a program to nucleo-h745zi-q and the program I wrote stopped working.I can connect to stm cube programmer.LD5 is also lit.Please help. 

mn0504 by Associate
  • 638 Views
  • 1 replies
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Should ST put Eclipse out to pasture?

Hello,I'm just starting with STM32. Came up with a low-power project, picked a suitable STM32L0 MCU, STLINK-V3PWR to debug and power-profile it, perfect! Then, to my horror, realized that STM32CubeIDE is based on Eclipse. I use Mac with large, high-r...

Zbig by Associate
  • 1912 Views
  • 6 replies
  • 4 kudos

Resolved! B-U585I-IOT02A Undefined reference HAL_I2C

Dear Experts,I'm currently working on a project involving an STM32 board (B-U585I-IOT02A). I would like to use this board as a TCP Server. Therefore, from the STM32CUBEIDE application, I had observed that there is an example project in which it is po...

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Nicolas_G by Associate II
  • 1442 Views
  • 2 replies
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how to solve semaphore issues: button toggling issue

/* USER CODE END Header_Normal_init */void Normal_init(void const * argument){  /* USER CODE BEGIN 5 */  /* Infinite loop */  for(;;)  {//while(HAL_GPIO_ReadPin(GPIOC, GPIO_PIN_13)); char *msg1 =  "hello mid\r\n";HAL_UART_Transmit(&huart3, (uint8_t *...

Akshay_ by Associate II
  • 690 Views
  • 1 replies
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Application code slower in 1.14.1 vs 1.5.0

Hi all!I have been working on a C++ project for the STM32F476G-DISCO, which was originally created in 1.5.0 of the IDE. Given the QoL improvements in the IDE updates, I thought it would be worth updating.My application has image processing included s...

JaredP by Associate
  • 882 Views
  • 2 replies
  • 3 kudos