STM32 MCUs Embedded software

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

Official STM32 Bootloader

Hi, I need to update the firmware of my MCU from the UART. I mean without physically touching the BOOT pin, but only via serial commands (classic FW update of a product).I'm not an expert, but I tried searching on the internet and I saw that for thes...

FMass.1 by Associate III
  • 53060 Views
  • 6 replies
  • 6 kudos

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...

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...

RTOS selection for STM32H7R/S

We are starting to develop a new hardware platform and are currently evaluating the STM32H7R/S series for the main controller.The question now is which RTOS is best suited here in terms of long-term support from ST. We're going to use a lot of commun...

tdecker2 by Associate III
  • 743 Views
  • 7 replies
  • 4 kudos