STM32 MCUs Products

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STM32H7 HAL_Delay twice as long

Hello,I'm here on H753, external clock, CPU clock configured to 400MHz. Setup code is generated by CubeMx.If I execute a HAL_Delay() takes twice the time as expected, e.g. 2ms instead 1ms. I checked via GPIO toggle with a scope.The MCO output is corr...

regjoe by Senior
  • 19 Views
  • 1 replies
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xSemaphoreCreateBinay() crash IOs

IDE : STM32CubeIDE Version: 1.16.1Board : STM32F407VG DISC1SYS Timebase Source : TIM6Hello,In my project, i use I2C and multiple UARTs. It worked fine before adding FreeRTOS tasks. Recently i need add buttons to my project, so i add a new task to han...

STM32N6 H264 video encoder and streaming over RTSP

Hello, I would like to know the H264 VENC performance for the STM32N6 using the ST example: STM32Cube_FW_N6_V1.1.1/Projects/STM32N6570-DK/Applications/VENC/VENC_RTSP_Server Following the example, I have a setup with a nucleo-n657x0-q + a ST B-CAMS-IM...

FB__1 by Associate II
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  • 0 replies
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SPI GPIOs don't work (except SCK) using DMA

Hi, I am using an STM32H7RSxx device and I need to use the SPI6 (both full and half duplex) with the DMA.The problem I am facing on is the MOSI pin doesn't transmit anything.Only the SCK is working.Despite having configured it for SPI6 Alternate Func...

simozz_0-1751471885253.png simozz_1-1751471952301.png
simo zz by Senior II
  • 192 Views
  • 11 replies
  • 3 kudos

STM32U5 GPDMA cyclic transfer without LLI

Hi all, in RM0456 is plenty of examples with using LLI but only one without it. And even that contain a block diagram that does not explain anything. Also AN5593 does not mention cyclic transfer. So, here i am.Does this diagram means, that if the LLR...

Eiffel_0-1751715731895.png
Eiffel by Associate III
  • 29 Views
  • 0 replies
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How to handle high-volume FDCAN data without DMA?

Split from How to make the FDCAN with DMA - which is solved.TL;DR: STM32s don't support DMA for CAN or FDCAN.Hi, thanks for the clarity.But, the doubt I'm having was, then how to handle that much data rate like eg.5mbps in FDCAN without any help of D...