STM32 MCUs Embedded software

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

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Forum Posts

Serial Bootloader baudrate mismatch

We have a system with STM32L431CCU which gets its initial firmware through serial download (as described in AN3155). We use USART1 and applied pattern 6 as described in AN2606. The software on the host side (embedded linux system) is either stm32fla...

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MW by Associate
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STM32F427 Reading UART

Hello!I'm doing an application in which my control board is I2C slave of my PC and my control board has to communicate with another board (let's call it test board) via UART.This test board uses custom UART text commands to perform tests on itself.Fo...

BBori.1 by Associate II
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Resolved! stm32f4xx missing HAL_TIM_DMABurst_MultiWriteStart

Hi guys!I need to Burst write multiple values using DMA. The processor that I'm using is stm32F407. I found than the solution for this task is HAL_TIM_DMABurst_MultiWriteStart function, but it is missing in the HAL library. https://github.com/STMicro...

Qasdd.1 by Associate
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Resolved! STM32L4 FreeRTOS+DMA2 Channel 4 problem

I am using STM32L496 Nucelo, CubeMX 6.1.1; FATFS, DMA SDMMC with FreeRtos. For some reason I have problems when it comes to using DMA2 Channel 4 with FreeRtos. When it is selected for SDMMC1_TX then I can mount SD card and read data without any probl...

kronikary by Associate III
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  • 3 replies
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Resolved! Multichannel (scan), single conversion mode

I need to implement a single channel software triggered ADC scan in an interrupt callback paced at 10ms intervals, since the rate cannot be controlled in DMA.I never had an issue doing this with CMSIS, yet, HAL seems to be, well, difficult is the nic...