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

Global Interrupt Disabling in LPTIM_Disable()

Could you please explain why global interrupts are disabled (using __disable_irq()) at the beginning of the LPTIM_Disable() function, and re-enabled at the end?Does this relate to ensuring atomicity during the timer's register save/restore process, p...

Tom_18 by Associate
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STM32N6570-DK High Speed USB with DMA

I have USB2 OTG high speed port1 working in "device mode" on the STM32N6570-DK board. I need to transfer an image file (around 10 MBytes in size) from the external PSRAM IC (APS256XXN-OBR-BG Hexadeca‑SPI PSRAM) to external PC via  a bulk CDC IN endpo...

LWIP Free RTOS Problem

Hi. I have a problem while using lwip and freertos. The board is based on stm32h743vih. The mpu configuration is done correctly i think. My problem is after i start udp server and start to send data with udp, everything is ok, but after a while i wil...