STM32 MCUs Embedded software

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

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Disabling usbpd on reference design

I have a u5 dev board running a usbx msc reference design , which works fine. I'm trying to disable the usbpd side of things within the reference example. I've disabled the usbpd midlewear and peirphal port for the 2 pd pins aswell as disabling the a...

Inquiry about DMA and Uart

Hello, I am making a project where i'm using usart2 as a virtual com port and where i'm making a CLI based HMI using teraterm , so there's a lot of diplay and hal_uart_transmit functions , it all worked fine until I added a DMA in the uart1 in order ...

imenjazirii_0-1749829169644.png imenjazirii_1-1749829260086.png

Official STM32 Bootloader

Hi, I need to update the firmware of my MCU from the UART. I mean without physically touching the BOOT pin, but only via serial commands (classic FW update of a product).I'm not an expert, but I tried searching on the internet and I saw that for thes...

FMass.1 by Associate III
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STM32U5 Interrupt driven SPI transmit.

HAL code for interrupt-driven SPI transmit attempts to fill a transmit queue, which uses up the 10 bytes I am transmitting.  But, a TX interrupt is also triggered which grabs an extra byte past the end of the buffer and decrements the count which wra...