STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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How to debug USB related issues?

HiI use the STM32L452 which is configured as a USB CDC device using CubeMX. The device is used as a "gateway" that connects a linux host to a CAN bus system (essentially a USB-to-CAN adapter). The linux host configures the USB device as an SLCAN base...

abaldur by Associate III
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Bug in STM32L4xx_HAL_Driver, QUADSPI

Posted on May 04, 2018 at 11:24Hi,I found a bug in the quad spi driver for stm32l4xx. In the function  HAL_QSPI_Receive_IT, the interrupts flags must be cleared before start transfer otherwise flag TC could be missed:- WRITE_REG(hqspi->Instance->AR,...

Can't build STM32F746 Discovery + LwIP project

Hi everybody,I created a project for using the STM32F746 DISCOVERY board with LwIP utility (see image 1 and Image 2).  As soon as the project gets created i tried to build it, but ended up not beeing able to do so and getting the error shown in image...

MEsco by Associate II
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Can't Open COM Port

I am using USB Virtual Com Port with CubeMX on a STM32F4 controller.The problem is, that occasionally, but increasingly often I cannot open the COM Port to my Device. It is very hard to reproduce, as changes in completely different code regions can c...

arduo by Senior
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Does HAL_FLASH_OB_Launch() result in a reset?

Hi ,I am using STM32L series of MCU.From the application code independent watchdog is used and when it is time for entering bootloader say due to firmware upgrade, i use while(1) to reset the system.1.Once inside bootloader I am observing that the bo...

How to use USB HS?

Hi there,i have Projects where I used USB FS for COM Port Communication. How can i change them to USB HS do i need to change the clock or other settings?Thanks in advance.I am new with STM32

arduo by Senior
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STM32F303 ADC doesn't run, advice welcome!

Hi all,The ADC on my STM32F303 doesn't want to run. I'm trying to measure 8 input channels via DMA with TIM7 as the ADC trigger. Having had a thorough read of the examples in the repo for Cube, my setup should work but it doesn't. The values never ch...

STSAFE AWS IoT Demo

I have found ST presentation regarding "STSAFE AWS IoTDemo" https://www.st.com/content/ccc/resource/sales_and_marketing/presentation/application_presentation/group0/28/06/3d/89/9d/86/4d/0d/IoT_World_2017_Cloud_Demo/files/IoT_World_2017_Cloud_Demo.pd...

ritesh by Associate II
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