STM32 MCUs Embedded software

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STM32U5A5 instruction fault after WFI

Struggling with a really weird issue here. I'm working on a project using Zephyr on an STM32U5A5ZJT6Q. We are using an LSE-clocked LPTIM as the tick source, PM enabled with STOP0 and STOP1 modes.At some point, we started noticing random crashes, whic...

kamnxt by Associate
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DCMIPP silient failure

Hello team, Another day,  new same issue. :pensive_face:I have setup the DCMIPP PIPE 1 for the stm32n6570 DK, so that it dumps frames in address 0x34200000 which maps to SRAM3 begin address I have enabled bothe the memories SRAM3 and SRAM4 but with o...

KamurasiJordanArthur_2-1761801451579.png

Resolved! STM32H743 USB CDC HardFault

Hi ST Community,    Our project uses STM32H743 (LQFP100). The system clock is set at the max 480MHz. The USB Device interrupts would occasionally cause a HardFault. For example, if we plug in or unplug the USB. The data hpcd would occasionally be 0xF...

Jerry_Hu_1-1761243064154.png Jerry_Hu_0-1761242223741.png
Jerry_Hu by Associate II
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  • 5 replies
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Resolved! SPI4 RXNE never raises on STM32G4

Hello, my project is using all 4 SPI interfaces on the STM32G474. SPI1-3 all work flawlessly, but SPI4 never triggers the RXNE flag. All SPI buses are configured identically, with the only differences being the pinouts and APB1 vs 2 bus. I am polling...

amo25 by Associate II
  • 191 Views
  • 7 replies
  • 5 kudos

STM32H7 USBX Device and mount/eject SD card

Hi ST community// --- EDIT --- Missed preview and made some corrections / clarificationsI'm looking for a way to mount a SD card using the Azure RTOS UsbX MSC class, while the MCU is running. The code is mostly based on the ST examples, e.g.:https://...

DZimm.9 by Associate II
  • 188 Views
  • 2 replies
  • 1 kudos

Developing/Integrating AWS and MQTT Stacks

I have integrated lwip on my STM32H563RGT6  library and my requirement is to establish connection to my AWS endpoint from MCU to the cloud along with certificates. help me by providing the necessary stacks.Were my requirement is to send/publish some ...

aravindpv by Associate III
  • 137 Views
  • 1 replies
  • 1 kudos