STM32 MCUs Embedded software

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

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no RTC wake up

I’m working on a project with the Nucleo-L476RG. I want to perform a measurement, then put the microcontroller into Sleep Mode for 2 seconds, after which it should be woken up by the RTC clock.I followed the tutorial:How to configure the RTC to wake ...

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Resolved! STM32N6 FreeRTOS linker issue for MPU

I am trying to setup FreeRTOS for the new STM32N6 Nucleo board. Running into the following error `GCC/ARM_CM55_NTZ/non_secure/port.c:1814: undefined reference to `__privileged_sram_start__'`.Based on https://github.com/STMicroelectronics/x-cube-freer...

milanvdm by Associate II
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  • 2 replies
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Bug in GPDMA with 2D addressing (I think)

I believe there's a bug in the stm32h7rsxx_hal_dma code for dealing with repeated blocks in interrupt mode. This bug probably exists in other STM32H7 devices as well.With a typical repeating transfer, in *NON* interrupt mode, the DMA transfer complet...

FA1234 by Associate III
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  • 6 replies
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Sequential I2C problems on STM32F030

I'm re-using a sequential I2C library that worked on a couple other ST devices with different I2C devices, but it doesn't work on a STM32F030.They are functions for I2C register operations, where we always start with a write with the register address...

Bug in fx_stm32_sd_driver.c

I think I have found a bug in the mentioned file (in my case the file comes from x-cube_azrtos-h7, but the problem seems to be present in other versions to).In the function fx_stm32_sd_driver() there is a check that the passed Databuffer (media_ptr→f...

MHoll.2 by Senior III
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  • 1 replies
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