STM32 MCUs Embedded software

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

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STM32H7 ROM bootloader issue with factory units

We found some STM32H743VIT6 devices shipped from the supplier are not able to be programmed over ROM bootloader. After programming with ST-LINK/SWD, ROM bootloader works fine and MCU is able to be programmed . Our bootloader interface is UART1.Is the...

AAtan by Associate
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  • 4 replies
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USB Mass storage and SD CARD on STM32L4R9

Hi, I am using the STEVAL-STWINKT1 board with STM32L4R9 MCU. I want the USB work as Mass Storage linked to 4GB SD Card, connected by SDMMC 4 bits peripheral. SD Card is formated in FAT mode. Dare are read throught FAT_FS Middleware. It is currently w...

LVall.1 by Associate
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  • 0 replies
  • 0 kudos

Code hang at vPortRaiseBASEPRI()

Hi Guys,I am implementing Event flag group inter task communication in RTOS where in one task device waiting for even and and setting the event in Uart ISR and code entered to  vPortRaiseBASEPRI() and never come out.Device is nucleo 64 of STM32L476 a...

gcDev by Associate
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  • 0 replies
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FreeRTOS, queue byte alignment

For whatever reason, I'm getting byte alignment problems with queues. I have a 32 byte queue, and the last two bytes are now garbage (they weren't before). No system settings have been changed, and I'm using all the defaults. If I expand the size ...