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stm32u5g9 dcmi double buffer linked list

Hello Using a STM32U5G9NJHxQ.Using a 646x480 1byte per pixel monochrome Dcmi camera --> 310080 bytes --> 77520 words (32 bits) --> according to AN5020 6.4.8 this means Double buffer mode for medium resolutions, continuous capture in my case.Based on ...

Debug Trace ETM - STM32H5, Keil

Good morning, I am trying to debug an STM32H573II with ETM, but I cannot get it to enter that mode.Debugging without trace with SWD works correctly. I have used this environment: - uVision 5.42- ARM Compiler 6.21- STM32CubeMx 6.14.1 I have performed ...

Resolved! Able to use printf on uart3, but not on uart2

Hello, so I was originally using printf with uart3, and that seemed to work fine. The characters were being printed as expected on a PuTTY terminal that I was using. I was using the following code:/* USER CODE BEGIN PV */ UART_HandleTypeDef *uartHand...

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is45 by Associate III
  • 313 Views
  • 7 replies
  • 7 kudos

Resolved! I3C:direct RSTACT not working as expected

Setup: NUCLEO-H503RB with X-NUCLEO-IKS4A1, using STM32CubeIDE. To familiarize myself with I3C, I am playing around in this setup and have some source code which causes I3C interaction between the controller (Nucleo board) and two targets (daughter bo...

HalloWelt_0-1747216563898.png HalloWelt_1-1747216662128.png HalloWelt_2-1747217051642.png HalloWelt_3-1747217098762.png

STM32H7 QUAD SPI DDR timing

Hello,I have a STM32H75x design and suffer from read errors in DDR timing, no matter if run at 50MHz or slower.It seems that the data hold time of 1ns the H7 is violated. The data output hold time of the SPI NOR MX25L12845 flash is 1ns, which seems t...

regjoe_0-1750052092805.png
regjoe by Senior
  • 273 Views
  • 3 replies
  • 0 kudos

Error: registers may not be the same -- strexb r3,r2,[r3]'

Hi,I am currently using the following microcontroller (STM32F100C8T6B) in my design. I am using the STM32CubeIDE and I trying to build the project, but I am getting the following compiler errors from the "core_cm3.c" fileError: registers may not be t...

WJ1 by Associate II
  • 468 Views
  • 7 replies
  • 2 kudos

Resolved! Understanding STM32F103C8 AD Vref and AD range.

Do I understand the datasheet correctly when I believe the internal 2.1v reference is something internal, and the AD is still operating within VCC/3.3v as upper limit? Copilot suggested this:  // Enable ADC1 and configure itRCC->APB2ENR |= RCC_APB2EN...

pilot by Associate III
  • 2335 Views
  • 6 replies
  • 1 kudos

DMA - USART transfer Peripheral to Peripheral

Hi,I am experiencing a packet loss issue using Peripheral-to-Peripheral DMA between UARTs.While Peripheral-to-Peripheral configuration is referenced in the STM32U585's Reference Manual, it is not available in the HAL library. Therefore, the DMA is co...

lotou by Associate II
  • 470 Views
  • 7 replies
  • 1 kudos