STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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STM32 fail to receive data with DMA under RTOS

Hi guys,On STM32H7, try to receive data with UART in DMA normal mode under FreeRTOS, Tx works OK but receive nothing with keli5 (CubeMX setting as reference )I use HAL library,also tried LL library but not working.Already checked DMA is initialized b...

Rchan.1 by Associate
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Clock configuration for STM32L4R9 with USB-FS - SDMMC

Hi,I would ask the community a suggestion for clock configuration.I should use the USB ans Mass Storage Class using the SD card by SDMMC interface as memory. This function is used for 5 to 10% of my device usage, so I would decrease the SYSCLK for po...

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lukin by Associate III
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  • 1 replies
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I have a Lwip problem with SSI module.

The problem with the insert of the SSI tag, it is can insert only 920 characters but I need in 5 times more!If I change the "Lwip_httpd_max_tag_insert_len" It does not give an effect!Could someone tell me what is wrong?

DK.7 by Senior
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STM32F7: ETH TCP checksum offload fails

Hello,ST's and all Ethernet experts, please.STM32F767, Nucleo-144, and custom boardno OS lwIP 2.1.3, IPv4 onlySTM32CubeIDEno ETH interrupts usedApplication: Industrial frontend, streaming "audio" data from SAIs via ethernet,at high data rates, for lo...

LCE by Principal II
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  • 29 replies
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Hi everyone, I am creating a project via STM32CUBEMX (V.6.4.0) for STM32G070 including AzureRTOS, however, I've encountered an issue using tx_thread_sleep function.

I've tried to create a simple project which includes 2 threads. Each thread toggles two separate pins respectively . To create a 10 ms delay, I am using tx_thread_sleep (TX_TIMER_TICKS_PER_SECOND is 100) . Everything works okay, however, I've noticed...

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MR.16 by Associate
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  • 2 replies
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stm32 eth + lwip echo server ping

I'm trying to implement a server with eth+lwip with stm32, but it worked well when I debug it, but it didn't work when I tried to turn it off and on without debugging, so I'm trying this and that, but I'm not even pinging itIt says that the phenomeno...

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ark2 by Associate III
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  • 1 replies
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Nucleo H755ZI-Q how to get a ping with RTOS+LwIP

Hello there,I have issues to get Ethernet working with the STM32H755ZI-Q board. I have checked out the knowlege base article with no luck yet (https://community.st.com/s/article/How-to-create-project-for-STM32H7-with-Ethernet-and-LwIP-stack-working)....

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MStei.4 by Associate III
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  • 1 replies
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