STM32 MCUs Embedded software

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Overrun problem with USART2 in STM32H723 MCU

Hello,I'm facing a bizarre issue with USART2 in STM32H7 chip.My H7 is connected to 8 F072 chips via UART. Communication with each chip uses a dedicated UART from 1 to 8.All the data exchanges in both RX and TX work fine during normal operativity of m...

FCamp.1 by Associate III
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STM32U5 FRACN not working

I am trying to use the PLL1 fractional PLL on a Nucleo-U545RE-Q board to fine-tune a frequency measurement.  RM0456 rev 5 has the following procedure to adjust the fractional PLL:"If the application intends to tune the PLLx frequency on-the-fly, then...

Bad Pointer Checks

While working on a FLASH writing routing I got stumped with a bunch of flags being set in the SR register. It starts with CFGBSY. reading through the forums someone said they encountered this while accessing an uninitialized pointer. I found that I w...

Carl_G by Senior
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  • 1 replies
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POSIX support in STM32

Hello,As far as I know,STM32 does not support the POSIX abstraction layer for FreeRTOS. That means I can not use functions like: Interact with tasks through: 'pthread_create', 'pthread_join'..Use POSIX glue elements like: 'pthread_mutex'...Etc If I a...

Nucleo-F103rb Keyboard

I'm new to fiddling with MCUs, so I'm looking for some advice, I'm working on a project for my class and I'm trying to emulate a keyboard using the nucleo-F103rb. I have my code written out, I have a usb cable with D+ Connected to PA12 and D- to PA11...

Logan_ by Associate
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  • 9 replies
  • 2 kudos

sysmem.c build error in clang

When building an STM32CubeMX generated cmake project with clang there are two files that generate errors:sysmem.cthe linker script (STM32L431RCTX_FLASH.ld and stm32l476rgtx_flash.ld)sysmem.c produces the following error:Core/Src/sysmem.c:30:35: error...