STM32CubeMX (MCUs)

Ask questions on STM32CubeMX. Discuss code generation and configuration challenges, among other topics.

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STM32CubeMX 6.15.0 released

We are pleased to announce that the version 6.15.0 of STM32CubeMX is available. What is new in 6.15.0: Enhanced microprocessor support: Added the STM32MP21-A35-TD, STM32MP21-M33-TD, STM32MP25-M33-TD, and STM32MP23-M33-TD trusted domains for the STM32...

Resolved! How to enable USART driver in CubeMX?

The code generated by the STM32CubeMX is using the UART rather than the USART.How do we generate the code using the USART driver lib via the CubeMX?

HF.Wang by Associate II
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RS485 Driver Enable - DEAT and DEDT no effect

Hi Guys,STM32L475RGTXI have a device whith USART2 (PA2 and PA3) connected to a RS485 transceivers and i would like use the PA1 pin as DE, as below: This works correctly and the DE PIN is toggoled correctly.From the reference manual, I have seen that ...

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PVero.1 by Associate
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bug in HAL_UART_Transmit_DMA

I wrote an application configuring the USART for DMA transmission. The first call to HAL_UART_Transmit_DMA works correctly and the expected bytes are sent. However, every subsequent call fails with HAL_UART_STATE_BUSY.It appears that the uart state i...

MScha.8 by Associate II
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STM32CubeMx warning when using 4 UARTs

Dear allI'm using STM32G070KBT in my product, as it has 4 UARTs.I want to use the 4 UARTs in asynchronous mode, no HW control, UARTs 1 and 2 use RX/TX, while UARTs 3 and 4 use only RX.When defining all those UARTs in STM32CubeMx, I've some warnings t...

jerome2 by Associate II
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Resolved! CubeMX Generated Code: Build Option Greyed Out

Hello,I am using the NUCLEO-F401RE with the NUCLEO-IDB05A2 bluetooth low energy expansion board. I am trying to run the sample demo code that is part of the X-CUBE-BLE1 software package (SensorDemoBLE). I followed the instructions in this video below...

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KMew by Senior III
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Resolved! RTC losing fractions of second on uP reset - how to solve?

My code initialises the RTC using the standard CubeMX code but before setting the clock it tests for a valid year > 2018. This works perfectly and the time and date are preserved through resets of the uP. However, it appear that either the reset or t...

STM32L073- multiple USB device interfaces

Hello,We are currently evaluating the STM32L073 series in terms of the possibility to configure the USB device as either:3x interfaces, all serial (COM) ports.3x interfaces, 2x serial (COM) port and 1x mass storage device.In the STM32 studio I have n...

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Resolved! How to speed up STM32G474 float number calculation?

Hello,I am new to STM32 MCU and right now using a 170MHz STM32G474 MCU for my project. I did a test today and found out the float number calculation speed of the MCU is quite slow.It takes 6.3us to finish the calculation in Fig.1. (I set a GPIO pin h...

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QMa.1 by Associate
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