STM32 MCUs Embedded software

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

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The HAL IRQ for HSEM disables itself. Why?

The HAL driver, HAL_HSEM_IRQHandler() disables itself by clearing bits in it's IER register. I don't want it disabled so I have to re-enable it in my HAL_HSEM_FreeCallback(). Is it desirable that it is disabling itself? I'm using the STM32H755.

GHolc.1 by Associate III
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Resolved! File writing bug with FatFs over FreeRTOS on H743

Hi!I would like to store files on an SD card that are transmitted via HTTP POST (lwIP HTTP server). The files are correctly transmitted (hash calculating on both sides, the hashes are equal) and then written out to the card. But the content of the fi...

ranciere by Associate III
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Resolved! [HAL Bug Report] STM32G474 Cannot use "HAL_ADC_Start_DMA" with ADC5 when ADC3 and ADC4 configured in dual regular mode

Here is the code in question:HAL_StatusTypeDef HAL_ADC_Start_DMA(ADC_HandleTypeDef *hadc, uint32_t *pData, uint32_t Length) { HAL_StatusTypeDef tmp_hal_status; #if defined(ADC_MULTIMODE_SUPPORT) uint32_t tmp_multimode_config = LL_ADC_GetMultimode...

KYin.2 by Associate II
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STM32F756BGT6: Embedded Bootloader

Dear Sir/Madam, I have two question to better understand the Embedded bootloader of the STM32F7 Microcontroller and relevant configuration with respect to the Silicon Revision.Is it possible to perform an overwrite of the embedded bootloader programm...

vgiampa by Associate
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KSZ8563 example code ? UDP example is not working ?

Hi,I am working on KSZ8563 3 port ethernet switch. I can communicate with KSZ via MDIO but Lwip udp example is not working. Controller is STM32H753ZI.example link : https://community.st.com/s/article/How-to-create-project-for-STM32H7-with-Ethernet-a...

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ESent.1 by Associate
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NUCLEO-F091RC: Zephyr Hello World

Hi, I am trying to get a working demo up for the Zephyr OS on your Nucleo-F091RCbut having trouble. See attached for description, I get this error -"Error: open failedFATAL ERROR: command exited with status 1: /home/jmreina/zephyr-sdk-0.13.0/sysroots...

Justin1 by Senior
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