STM32 MCUs Products

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Resolved! Strange variable behavior in struct, TCP / lwIP

Heyho,I have a super-stable TCP-audio-streaming server on a H733 here, using custom ETH driver and lwIP, no OS.But I recently found that in a struct which is used for handling / storing the TCP connection, the variable to store the port number "u16Po...

LCE by Principal II
  • 56 Views
  • 2 replies
  • 1 kudos

Resolved! ISR memory update & Timer trigger

Hello All, I am facing a strange situationI have an ISR function1 that is triggered on Falling / Rising Edge of a GPIO pin This function1 according to the state of variable will either start TIMER2 and stop TIMER3 and the way around.TIMER2 & 3 have a...

vbesson by Senior
  • 85 Views
  • 2 replies
  • 2 kudos

STM32N6 timer One Pulse Mode with external trigger

HelloI have custom board with STM32N657. I have set timer 2 to output PWM pulse on channel3 and output compare pulse on channel 1 as trigger to another timer. The timer starts when external trigger - TIMER4_ETR (mapped to timer 2) detects rising edge...

PeterPan by Associate II
  • 44 Views
  • 0 replies
  • 0 kudos

Resolved! Using SPI with DMA

Hi All, I'm using an STM32F1 with a 240x240 LCD screen that comunicates with the micro by SPI (with DMA). The screen uses the ST7789 driver (I supose it is not important). I'm working with RGB565 color format.The problem that I have is, for example, ...

BTurc2_0-1688298032648.png
BTurc.2 by Senior
  • 12514 Views
  • 21 replies
  • 5 kudos

ADC2 calibration

Hi,I have a problem with the ADC2 calibration on STM32H743VIT6(V). I use ADC1 and ADC2 in dual mode(Regular simultaneous mode). On some boards the ADC2 calibartion doesn't work. (The ADCAL-Bit in ADC_CR is not cleard after start).On the boards where ...

LKoe by Associate
  • 1267 Views
  • 6 replies
  • 3 kudos

Resolved! NUCLEO-N657X0-Q CSI DCMIPP UVC

I’d like to use the NUCLEO-N657X0-Q board together with the B-CAMS-IMX camera to output video to a computer as a webcam using CSI → DCMIPP → UVC.However, since all the CSI and UVC examples are provided only for the STM32N6570-DK, I’m having difficult...

silpiode by Associate II
  • 95 Views
  • 2 replies
  • 0 kudos

Resolved! STM32H563 UART DMA idle not triggering

Hello everyone,I'm working on a custom board with an STM32H563 and using CubeMX, HAL, and ThreadX.I am trying to receive variable-length UART data via DMA using HAL_UARTEx_ReceiveToIdle_DMA(). My problem is that the HAL_UARTEx_RxEventCallback never t...

kasjdlfkjsadfjl.png WhatsApp Image 2025-11-08 at 06.23.47.jpeg
mipi by Associate
  • 126 Views
  • 2 replies
  • 1 kudos

Resolved! Duplicated Virtual COM Port number on Windows

I have several an 2 F401RE boards connected to my PCs and getting data by the Virtual Communication Port.Unfortunately when installing a new board on the PC, I ve seen that my 2 boards were declared by Windows with the COM portCOM port 7, 9 and 10 ar...

PoP_0-1762982372832.png
PoP by Associate II
  • 97 Views
  • 3 replies
  • 4 kudos