STM32 MCUs Embedded software

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Ethernet DMA error - how to handle it?

Hello!I am writing a program for STM32F769I-DISCO board that uses FreeRTOS and LwIP to communicate with the server and send data to it. It generally works, but unplugging and plugging Ethernet cable (especially doing it several times within a few sec...

Ethernet DMASR register.png heth error code.png MPU and Ethernet descriptors.png
_AdamNtrx by Associate III
  • 117 Views
  • 11 replies
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Resolved! LwIP heap memory in DTCMRAM

Hi there!I already configured LwIP package and make it work on a NUCLEO-H755ZIQ following @Adam BERLINGER gude in the Knowledge base section:https://community.st.com/t5/stm32-mcus/how-to-create-project-for-stm32h7-with-ethernet-and-lwip-stack/ta-p/49...

iTTy by Senior
  • 1987 Views
  • 5 replies
  • 4 kudos

STM32H757-EVAL SDMMC1 not working

Hi,we are trying to get SDMMC1 running on our evaluation boards (STM32H757-EVAL) but without any success so far.To further investigate the issue we started a new project from scratch, using CubeMX with sdmmc1 enabled. It doesn't work neither.btw: boa...

TomHoMe by Associate
  • 77 Views
  • 2 replies
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STM32H723VGTx DMA TX reboot use fail

Cube setting is OK!First run OK!if(HAL_OK != HAL_UART_Transmit(CO_INFO.channel, co_dma_tx_data, send_len, 0xFFFF))    {        DEBUG_PRINT("CO MODULE SEND DATA ERROR!!\r\n");    } Then setting OK!if(HAL_OK==HAL_UART_AbortReceive(CO_INFO.channel))if(H...

LwIP crashes on STM32H563

I have an STM32H563 running FreeRTOS and LwIP with the netcon interface.For the most part its working OK, however when I send a lot of data (around 250KB/s for a few seconds) it crashes with a HARD_FAULTIt looks like the memory (pbufs) are being corr...

pbayton9 by Associate II
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  • 6 replies
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Resolved! Timer and ADC on STM32F429

Hi,I want to kick ADC1 IN5 with the Timer TIM2. I'm working with CubeIDE.I select:ADC1 -> ADC_Regular_Conversion_Mode -> External Trigger Conversion Source  -> Timer 2 Trigger Out eventTIM2 ->  Trigger Output (TRGO) Parameters -> Update EventBut ADC1...

DetlefS by Associate III
  • 287 Views
  • 18 replies
  • 2 kudos

Resolved! Unable to read device id from ROM table

Hi,I am currently facing an issue while connecting to the STM32 board using STM32CubeProgrammer. The tool consistently shows the error: "Unable to read device ID from ROM table."I have already tried the following troubleshooting steps:Performed a har...